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Sel421 Relay Calc Sheet

Date post: 19-Oct-2015
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LINE DATA & COMMON SETTINGSLine DataMVA(base) =100kV(base) =115Ohm(base) = kV(base)^2/MVA(base) =132.25Line CT Ratio (:1) = CTR =120Line PT Ratio (:1) = PTR =1000Sync PT Ratio (:1) = PTR =600Line =North Shore Mining to Colbyville 115 kV (42 Line)R1 (pu) =0.0941X1 (pu) =0.2968ASPEN one-liner dataR0 (pu) =0.3306X0 (pu) =0.7848Line Length (miles) = LL =52.3R1(pri-ohms) = R1(pu)*Ohm(base) =12.445X1(pri-ohms) = X1(pu)*Ohm(base) =39.252Z1MAG(pri-ohms) =41.177Z1MAG(sec-ohms) = Z1MAG(pri-ohms)*(CTR/PTR) =4.941Z1 Line Angle = Z1ANG =72.409Line Length (miles) =52.300R0(pri-ohms) = R0(pu)*Ohm(base) =43.722X0(pri-ohms) = X0(pu)*Ohm(base) =103.790Z0MAG(sec-ohms) = Z0MAG (pri-ohms)*(CTR/PTR) =13.515Z0 Line Angle = Z0ANG =67.157Zone 2 (pilot) Impedance Calculationcalculate impedance to farthest remote zone that remote line breaker tripsfor (typically the low-side of bus connected distribution transformer)during a remote line breaker failure condition.Line =NSM 115 kV to Colbyville 13.8 kV w/42L @ Colbyville failed56L @ Colbyville open57L @ Colbyville open2TM @ Colbyville openFor 3LG fault at Colbyville 13.8 kV (based on Aspen one-liner study):V1 at NSM 115 kV bus =58746Volts @-5.3degreesNSM 115 kV contribution (I1) =526Amps @-51.2degreesZ1 App = V1/I1 =111.68Ohms @45.9degrees=77.72+ j80.20

&LNSM 115 kV42 Line&C&A

&R &Dby: Tom Ernst&CPage &P of &N

SEL-421-1 SETTINGSLine DataN Shore Mining 115 kV - Colbyville 115 kV (act Z)R1(pri-ohms) = R1(pu)*Ohm(base) =12.445X1(pri-ohms) = X1(pu)*Ohm(base) =39.252Z1MAG(sec-ohms) = Z1MAG(pri-ohms)*(CTR/PTR) =4.941Z1 Line Angle = Z1ANG =72.409R0(pri-ohms) = R0(pu)*Ohm(base) =43.722X0(pri-ohms) = X0(pu)*Ohm(base) =103.790Z0MAG(sec-ohms) = Z0MAG (pri-ohms)*(CTR/PTR) =13.515Z0 Line Angle = Z0ANG =67.157Line Length (miles) = LL =52.300milesLine Terminal SettingsStation Identifier = SID =NS Mining 42L 21PRelay Identifier = RID =NS Mining 42L 21PDistance Elements - GeneralEnable zones of distance (select the number of zones for each type of element):Mho Phase (N, 1 - 5) = E21P =4Mho Ground (N, 1 - 5) = E21MG =4Quad Ground (N, 1 - 5) = E21XG =NDistance zones & overcurrent direction:Note: F/R setting not applicable for zones not enabled above.Distance Zone 1/Overcurrent Level 1 Direction (F,R) =FDistance Zone 2/Overcurrent Level 2 Direction (F,R) =FDistance Zone 3/Overcurrent Level 3 Direction (F,R) =RDistance Zone 4/Overcurrent Level 4 Direction (F,R) =FDistance Zone 5/Overcurrent Level 5 Direction (F,R) =NAMHO Phase Distance ElementsNote: Reach settings applicable only for zones enabled above.Zone 1 Reach =85% NSM - Colbyville (act Z)Zone 1 Reach (sec-ohms) = Z1P =4.20Zone 2 Reach =110% NSM 115 kV - Colbyville 13.8 kV W/42L @ NSM failed (app Z)Zone 2 Reach (sec-ohms) = Z2P =14.74This element is used in pilot scheme only, Z4 provides time backup.Zone 3 Reach =150% of NSM Z2 overreach (42.31 ohms pri)Zone 3 Reach (sec-ohms) = Z3P =7.62Zone 4 Reach =125% NSM 115 kV - Colbyville 115 kV (act Z)Zone 4 Reach (sec-ohms) = Z4P =6.18Note: Check to be sure that Z4 does not over-reach next shortest Z1.Zone 5 Reach =Not UsedZone 5 Reach (sec-ohms) = Z5P =NAMHO Phase Distance Overcurrent Supervision Elements:These are factory set at 0.1*Inom = 0.5 amps secondaryMHO and Quadrilateral Ground Distance ElementsNote: Reach settings applicable only for zones enabled above.Zero-Sequence compensation factors:Note: Use positive-sequence impedences for ground distance settings. Relay will usethe following zero-sequence compensation factor.k01 = k0 = (Z0-Z1)/(3*Z1)Z0-Z1 =8.60611@ angle:64.1437k0 =0.5805583846@ angle:-8.2651Z1Comp Factor Magnitude = k01M =AUTOAUTO, 0.00 - 10Z1Comp Factor Angle = k01A =-8.265Forward Zones Comp Factor Magnitude = k0M =0.581Forward Zones comp Factor Angle = k0A =-8.265Reverse Zones Comp Factor Magnitude = k0MR =0.581Reverse Zones comp Factor Angle = k0AR =-8.265MHO Elements:Zone 1 Reach =85% NSM - Colbyville (act Z)Desired Zone 1 MHO Grd Reach (zero seq sec-ohms) =Zone 1 MHO Grd Reach (Pos seq sec-ohms) = Z0/(3K01 + 1) = Z1MG =4.20Zone 2 Reach =110% NSM 115 kV - Colbyville 13.8 kV W/42L @ NSM failed (app Z)Desired Zone 2 MHO Grd Reach (zero seq sec-ohms) =Zone 2 MHO Grd Reach (Pos seq sec-ohms) = Z0/(3K0 + 1) = Z2MG =14.74Note: Check to be sure that Z2 does not over-reach next shortest Z1.Zone 3 Reach =150% of NSM Z2 overreach (42.31 ohms pri)Desired Zone 3 MHO Grd Reach (zero seq sec-ohms) =Zone 3 MHO Grd Reach (Pos seq sec-ohms) = Z0/(3K0 + 1) = Z3MG =7.62Zone 4 Reach =125% NSM 115 kV - Colbyville 115 kV (act Z)Desired Zone 4 MHO Grd Reach (zero seq sec-ohms) =Zone 4 MHO Grd Reach (Pos seq sec-ohms) = Z0/(3K0 + 1) = Z4MG =6.18Zone 5 Reach =Not UsedDesired Zone 5 MHO Grd Reach (zero seq sec-ohms) =Zone 5 MHO Grd Reach (Pos seq sec-ohms) = Z0/(3K0 + 1) = Z5MG =Quadrilateral Elements:Zone 1 Reach =Not UsedZone 1 QUAD Reactive Grd Reach (sec-ohms) = XG1 =--Zone 1 QUAD Resistive Grd Reach (sec-ohms) = RG1 =--Zone 2 Reach =Not UsedZone 2 QUAD Reactive Grd Reach (sec-ohms) = XG2 =--Zone 2 QUAD Resistive Grd Reach (sec-ohms) = RG2 =--Note: Check to be sure that Z2 does not over-reach next shortest Z1.Zone 3 Reach =Not UsedZone 3 QUAD Reactive Grd Reach (sec-ohms) = XG3 =--Zone 3 QUAD Resistive Grd Reach (sec-ohms) = RG3 =--Zone 4 Reach =Not UsedZone 4 QUAD Reactive Grd Reach (sec-ohms) = XG4 =--Zone 4 QUAD Resistive Grd Reach (sec-ohms) = RG4 =--Zone 5 Reach =Not UsedZone 5 QUAD Reactive Grd Reach (sec-ohms) = XG5 =--Zone 5 QUAD Resistive Grd Reach (sec-ohms) = RG5 =--MHO and Quad Ground Distance Overcurrent Supervision Elements:These are factory set at 0.1*Inom = 0.5 amps secondaryZone Time DelayNote: Timer settings applicable only if associated measurement elements are enabled above.Zone 1 Phase Time Delay (cycles) = Z1PD =0Zone 2 Phase Time Delay (cycles) = Z2PD =0Zone 3 Phase Time Delay (cycles) = Z3PD =0Zone 4 Phase Time Delay (cycles) = Z4PD =24Zone 5 Phase Time Delay (cycles) = Z5GD =Zone 1 Ground Time Delay (cycles) = Z1GD =0Zone 2 Ground Time Delay (cycles) = Z2GD =0Zone 3 Ground Time Delay (cycles) = Z3GD =0Zone 4 Ground Time Delay (cycles) = Z4GD =24Zone 5 Ground Time Delay (cycles) = Z5GD =Out-of-Step Blocking and Tripping ElementsEnable OOS = EOOS =YEnable OOS Blocking - Zone 1 = OOSB1 =NEnable OOS Blocking - Zone 2 = OOSB2 =NEnable OOS Blocking - Zone 3 = OOSB3 =NEnable OOS Blocking - Zone 4 = OOSB4 =NEnable OOS Blocking - Zone 5 = OOSB5 =OOS Block Time Delay (cycles) = OSBD =5Latch Out-of-Step Blocking = OSBLTCH =NEnable OOS Tripping = EOOST =IN,I,OOOS Trip Time Delay (TDPU) (cycles) = OSTD =3.000Note: OOST reach settings applicable only if EOOST is enabled above.Zone 6 Reach =Per Tac Harbor Stability StudyZone 6 Reactive Reach - Top (sec-ohms) = X1T6 =15.00Zone 6 Reactive Reach - Bottom (sec-ohms) = X1B6 =-15.00Zone 6 Resistive Reach - Right (sec-ohms) = R1R6 =6.40Zone 6 Resistive Reach - Left (sec-ohms) = R1L6 =-6.40Zone 7 Reach =Per Tac Harbor Stability StudyZone 7 Reactive Reach - Top (sec-ohms) = X1T7 =17.30Zone 7 Reactive Reach - Bottom (sec-ohms) = X1B7 =-17.30Zone 7 Resistive Reach - Right (sec-ohms) = R1R7 =8.70Zone 7 Resistive Reach - Left (sec-ohms) = R1L7 =-8.70Pos Seq Overcurrent Supervision (sec-amps) = 50ABCP =4.2Neg Seq Overcurrent Supervision (sec-amps) = 50QUBP =OFFNeg Seq Block Delay (cycles) = UBD =0.5OSS Angle Unblock Rate = UBOSBF =4Load Encroachment ElementsMaximum Line Load Capability (MVA) =150(Tac Harb Gen RB Limit)Maximum Line Load Power Factor =0.7541.4degMinimum Load Impedance at 1.0 pu Voltage (sec-ohms) =10.58Minimum Load Impedance at 0.9 pu Voltage (sec-ohms) =8.57(constant MVA load)Zone 2 Reach at Max Line Load PF (sec-ohms) =12.64Note: Use the zone with the longest reach for encroachment test.Enable Load Encroachment = ELOAD =YNote: Load encroachment settings applicable only if enabled above.Load Impedance:Forward (sec-ohms) =80% of minimum load impedance @ 0.9 pu voltageZLF =6.86Reverse (sec-ohms) =80% of minimum load impedance @ 0.9 pu voltageZLR =6.86Load Angle - Positive Forward = PLAF =41.4Load Angle - Negative Forward = NLAF =-15.0Load Angle - Positive Reverse = PLAR =165.0(180 - 15)Load Angle - Negative Reverse = NLAR =221.5(180 + 41.5)Directional ElementsDirectional Control, E32 =AUTOY, AUTOGround Directional Element Priority, ORDER =QVQ,V,I, CombinedZero-sequence voltage current enable, E32IV =1Time Overcurrent ElementsOperating Quantity Element 1 = 51S1O =3I0LSelect: IAn, IBn, ICn, IMAXn, I1L, 3I2L, 3I0L51S1 Overcurrent Pick-up (sec amps) (Same as existing setting) = 51S1P =1.5051S1 Time Overcurrent Curve Family = 51S1C =U151S1 Time Overcurrent Time Dial = 51S1TD =2.50051S1 Time Overcurrent Reset Delay = 51S1RS =N51S1 Time Overcurrent Torque Control = 51S1TC =32GFOperating Quantity Element 1 = 51S2O =NSelect: IAn, IBn, ICn, IMAXn, I1L, 3I2L, 3I0L51S2 Overcurrent Pick-up (sec amps) = 51S2P =--51S2 Time Overcurrent Curve Family = 51S2C =--51S2 Time Overcurrent Time Dial = 51S2TD =--51S2 Time Overcurrent Reset Delay = 51S2RS =--51S2 Time Overcurrent Torque Control = 51S2TC =--Operating Quantity Element 1 = 51S3O =NSelect: IAn, IBn, ICn, IMAXn, I1L, 3I2L, 3I0L51S3 Overcurrent Pick-up (sec amps) = 51S3P =--51S3 Time Overcurrent Curve Family = 51S3C =--51S3 Time Overcurrent Time Dial = 51S3TD =--51S3 Time Overcurrent Reset Delay = 51S3RS =--51S3 Time Overcurrent Torque Control =51S3TC =--Instantaneous Overcurrent Elements (Phase, Negative Seq, Residual)Number of Enabled Phase Inst/Def-Time Overcurrent Elements = E50P =1Note: Phase inst O/C settings applicable only if enabled above.Phase Inst Overcurrent Element Pick-ups (sec amps):Level 1 Ph O/C PU = 50P1P =200% of 42 line contribution to a Colbyville 115 kV 3LG bus fault50P1P (amps sec) =18.80Level 2 Ph O/C PU = 50P2P =SOTFT not used here50P2P (amps sec) =Level 3 Ph O/C PU = 50P3P =50P3P (amps sec) =Level 4 Ph O/C PU = 50P4P =50P4P (amps sec) =Level 1 O/C Time Delay (cycles) = 67P1D =0Level 2 O/C Time Delay (cycles) = 67P2D =Level 3 O/C Time Delay (cycles) = 67P3D =Level 4 O/C Time Delay (cycles) = 67P4D =Level 1 Torque Control = 67P1TC =Level 2 Torque Control = 67P2TC =Level 3 Torque Control = 67P3TC =Level 4 Torque Control = 67P4TC =Number of Enabled Neg. Seq. Inst Overcurrent Elements = E50Q =NNote: Neg. Seq. inst O/C settings applicable only if enabled above.Neg Seq Inst Overcurrent Element Pick-ups (sec amps, 3I2):Level 1 NS O/C PU = 50Q1P =--50Q1P (amps sec, 3I2) =--Level 2 NS O/C PU = 50Q2P =--50Q2P (amps sec, 3I2) =--Level 3 NS O/C PU = 50Q3P =--50Q3P (amps sec, 3I2) =--Level 4 NS O/C PU = 50Q4P =--50Q4P (amps sec, 3I2) =--Level 1 O/C Time Delay (cycles) = 67Q1D =Level 2 O/C Time Delay (cycles) = 67Q2D =Level 3 O/C Time Delay (cycles) = 67Q3D =Level 4 O/C Time Delay (cycles) = 67Q4D =Level 1 Torque Control = 67Q1TC =Level 2 Torque Control = 67Q2TC =Level 3 Torque Control = 67Q3TC =Level 4 Torque Control = 67Q4TC =Number of Enabled Residual Inst Overcurrent Elements = E50G =3Note: Residual inst O/C settings applicable only if enabled above.Residual Inst Overcurrent Element Pick-ups (sec amps, 3I0):Level 1 Res O/C PU = 50G1P =150% of 42 line contribution to a Colbyville 115 kV 1LG busfault50G1P (amps sec, 3I0) =15.40Level 2 Res O/C PU = 50G2P =Used in Blocking Logic, Set at standard value to Coord w/50G3P50G2P (amps sec, 3I0) =1.00Level 3 Res O/C PU = 50G3P =Used in Blocking Logic, Set at standard value to Coord w/50G2P50G3P (amps sec, 3I0) =0.50Level 4 Res O/C PU = 50G4P =SOTFT not used here50G4P (amps sec, 3I0) =Level 1 O/C Time Delay (cycles) = 67G1D =0Level 2 O/C Time Delay (cycles) = 67G2D =0Level 3 O/C Time Delay (cycles) = 67G3D =0Level 4 O/C Time Delay (cycles) = 67G4D =Level 1 Torque Control = 67G1TC =1Level 2 Torque Control = 67G2TC =1Level 3 Torque Control = 67G3TC =1Level 4 Torque Control = 67G4TC =Communications-Assisted Trip Schemes (POTT, DCUB, DCB)Note: Only one scheme can be enabled at a time.Communications-Assisted Tripping Logic = ECOMM =DCBN, DCB, POTT, DCUB1, DCUB2Note: POTT settings applicable only if enabled above.Zone 3 Reverse Block Time Delay (cycles) = Z3RBD =transient blockEcho Block Time Delay (cycles) = EBLKD =Echo Time Delay Pick-up Time Delay (cycles) = ETDPU =Echo Duration Time Delay (cycles) = EDURD =Enable Weak Infeed trip = EWFC =Weak Infeed Phase Undervoltage PU = 27PW1 =Weak Infeed Undervoltage PU = 27PPW =Weak Infeed Zero-Sequence Overvoltage PU = 59NW =General Permissive Trip Received = PT1 =Note: DCUB settings applicable only if enabled above.Guard Present Security Time Delay (cycles) = GARD1D =DCUB Disabling Time Delay (cycles) = UBDURD =DCUB Duration Time Delay (cycles) = UBEND =General Permissive Trip Received = PT1 =Channel 2 Permissive Trip Received = PT2 =Channel 1 Loss-of-Guard = LOG1 =Channel 2 Loss-of-Guard = LOG2 =Note: DCB settings applicable only if enabled above.Zone 3 Reverse Pickup Delay (cycles) = Z3XPU =1Zone 3 Reverse Drop-out Time Delay (cycles) = Z3XD =3Block Trip Receive Extension Time Delay (cycles) = BTXD =1Zone 2 Distance Short Delay Time Delay (cycles) = 21SD =1Level 2 O/C Short Delay Time Delay (cycles) = 67SD =1Block Trip Received = BT =IN107 OR NOT IN106Breaker 1 Failure LogicPhase Fault PU = 50FP1 =Same as phase fault detectors50FP1 (amps sec) =0.50Breaker Failure Time Delay - BK1 (cycles) = BFPU1 =12Retrip Time Delay - BK1 (cycles) = RTPU1 =3Three-Pole BF Initiate - BK1 = BFI3P1 =3PT OR IN103A-Phase BF Initiate - BK1 = BFIA1 =0B-Phase BF Initiate - BK1 = BFIB1 =0C-Phase BF Initiate - BK1 = BFIC1 =0BF Initiate Drop-out Delay - BK1 (cycles) = BFIDO1 =0BF Initiate Seal-in Delay - BK1 (cycles) = BFISP1 =0No Current/Residual Current Logic - BK1 (Y,N) = ENCBF1 =YResidual Fault PU = 50RP1 =Same as residual/ground fault detectors50RP1 (amps sec, 3IO) =0.50No Current Breaker Failure Time Delay - BK1 (cycles) = NPU1 =12No Current BF Initiate - BK1 = BFIN1 =0Load Current BF Logic - BK1 (Y,N) = ELCBF1 =NFlash Over BF Logic - BK1 (Y,N) = EFOBF1 =NBF Trip - BK1 = BFTR1 =FBF1 OR NBF1BF Unlatch Trip - BK1 = BFULTR1 =NOT(3PT OR IN103)Synchronism Check Element ReferenceSynch Reference Voltage = SYNCP =VBY25VL =50% of VBY nominal (66 V)Voltage Window Low Threshold (volts sec) = 25VL =33.025VH =110% of VBY nominal (66 V)Voltage Window High Threshold (volts sec) = 25VH =73.0Breaker 1 Synchronism CheckSynch Source 1 = SYNCS1 =VBZSynch Source 1 Ratio Factor (0.10 - 3) = KS1M =0.666.3/110.7Synch Source Angle Shift (0 - 330 deg in 30 deg incre) = KS1A =0.0Max Slip Freg - BK1 (OFF, 0.005 - 0.5 Hz) = 25SFBK1 =OFFMax Angle Difference 1 - BK1 (3.0 - 80 degrees) = ANG1BK1 =40.0Max Angle Difference 2 - BK1 (3.0 - 80 degrees) = ANG2BK1 =40.0Breaker 1 Close Time (1.00-30 cycles) = TCLSBK1 =Block Synch Check - BK1 = BSYNBK1 =0Breaker 1 RecloserNumber of 3-pole Recolsers = N3PSHOT =13-Pole Reclose Enable - Bk1 = E3PR1 =1Bkr Close Fail Delay (1 - 99,999, OFF) = BKCFD =300Unlatch closing - Bk1 = ULCL1 =52AA1Recloser drive-to-lockout = 79DTL =PCT01Q AND NOT 52AA1Block reclaim timer = 79BRCT =0Manual close reclaim time (1 - 99,999 cycles) = 3PMRCD =900BK1 reclose supervision delay (OFF, 1 - 99,999) = BK1CLSD =OFF3-pole open interval 1 delay (1 - 99,999 cycles) = 3POID1 =3003-pole open interval 2 delay (1 - 99,999 cycles) = 3POID2 =3-pole open interval 3 delay (1 - 99,999 cycles) = 3POID3 =3-pole open interval 4 delay (1 - 99,999 cycles) = 3POID4 =3-pole fast ARC = 3PFARC =03-pole fast open int delay (1 - 99,999 cycles) = 3PFOID =603-pole reclaim time delay (1 - 99,999 cycles) = 3PRCD =9003-pole reclose initiation = 3PRI =(RMB1A OR 3PT AND NOT SOTFT) AND IN202Skip recloser shot = 79SKP =03-pole Bk1 reclose supv = 3P1CLS =PCT05Q OR ASV004 OR ASV005Recloser Voltage Elements:Reclosing voltage check = EVCK =YDead line voltage = 27LP =33Live line voltage = 59LP =58Bk1 dead busbar voltage = 27BK1P =33Bk1 live busbar voltage = 59BK1P =58

&LNSM 115 kV Substation42 Line&C&A&R&Dby Tom Ernst&CPage &P of &N

SEL-311A SettingsGeneral SettingsStation Identifier = SID =NS Mining 42L 21SRelay Identifier = RID =NS Mining 42L 21SPhase CT ratio = CTR =120Polarizing CT ratio = CTRP =160(no currrent polarizing available)Phase PT Ratio = PTR =1000Application = APP =311AAdvanced settings enabled = EADVS =YLine Data and Fault LocatingColbyville 115 kV - N Shore Mining 115 kV (act Z)R1(pri-ohms) =12.445X1(pri-ohms) =39.252Z1MAG(sec-ohms) = Z1MAG(pri-ohms)*(CTR/PTR) =4.941Z1 Line Angle = Z1ANG =72.4R0(pri-ohms) =43.722X0(pri-ohms) =103.790Z0MAG(sec-ohms) = Z0MAG (pri-ohms)*(CTR/PTR) =13.515Z0 Line Angle = Z0ANG =67.2Line Length (miles) = LL =52.30Enable fault locator = EFLOC =YPhase Distance ElementsEnable Mho Phase distance elements (N, 1,2,1C,2C) = E21P =2CCVT transient detection enable = ECCVT =NNote: Reach settings applicable only for zones enabled above.Zone 1 Reach =85% NSM 115 kV - Colbyville 115 kV (act Z)Zone 1 Reach (sec-ohms) = Z1P =4.20Zone 2 Reach =125% NSM 115 kV - Colbyville 115 kV (act Z)Zone 2 Reach (sec-ohms) = Z2P =6.18Note: Check to be sure that Z2 does not over-reach next shortest Z1.MHO Phase Distance Overcurrent Supervision Elements:Phase-phase overcurrent fault detector Zone 1 = 50PP1 =1Phase-phase overcurrent fault detector Zone 2 = 50PP2 =1Ground Distance ElementsEnable Mho Ground distance elements (N, 1,2) = E21MG =2Note: Reach settings applicable only for zones enabled above.MHO Elements:Zone 1 Reach =85% NSM 115 kV - Colbyville 115 kV (act Z)Desired Zone 1 MHO Grd Reach (zero seq sec-ohms) =11.49Zone 1 MHO Grd Reach (Pos seq sec-ohms) = Z0/(3K01 + 1) = Z1MG =4.19Zone 2 Reach =125% NSM 115 kV - Colbyville 115 kV (act Z)Desired Zone 2 MHO Grd Reach (zero seq sec-ohms) =Zone 2 MHO Grd Reach (Pos seq sec-ohms) = Z0/(3K0 + 1) = Z2MG =6.18Note: Check to be sure that Z2 does not over-reach next shortest Z1.MHO and Quad Ground Distance Overcurrent Supervision Elements:Phase current fault detector Zone 1 = 50L1 =1Phase current fault detector Zone 2 = 50L2 =1Residual current fault detector Zone 1 = 50GZ1 =0.5Residual current fault detector Zone 2 = 50GZ2 =0.5Zero-Sequence compensation factors:Note: Use positive-sequence impedences for ground distance settings. Relay will usethe following zero-sequence compensation factor.k01 = k0 = (Z0-Z1)/(3*Z1)Z0-Z1 =8.60611@ angle:64.1437k0 =0.5805583846@ angle:-8.2651Z1Comp Factor Magnitude = k0M1 =0.58060.00 - 10Z1Comp Factor Angle = k0A1 =-8.2651Forward Zones Comp Factor Magnitude = k0M =0.5806Forward Zones comp Factor Angle = k0A =-8.2651Mho Phase Distance Element Time DelaysNote: Timer settings applicable only if associated measurement elements are enabled above.Zone 1 Phase Time Delay (cycles) = Z1PD =OFFZone 2 Phase Time Delay (cycles) = Z2PD =24Mho Ground Distance Element Time DelaysNote: Timer settings applicable only if associated measurement elements are enabled above.Zone 1 Ground Time Delay (cycles) = Z1GD =OFFZone 2 Ground Time Delay (cycles) = Z2GD =24Common Distance/Ground Distance Element Time DelaysNote: Timer settings applicable only if associated measurement elements are enabled above.Zone 1 Common Time Delay (cycles) = Z1D =OFFZone 2 Common Time Delay (cycles) = Z2D =OFFPhase Instantaneous Overcurrent ElementsEnabled Phase Overcurrent Element = E50P =YPhase Inst Overcurrent Element Pick-ups (sec amps):Level 1 Ph O/C PU = 50P1P =200% of 42 line contribution to a Colbyville 115 kV 3LG bus fault50P1P (amps sec) =18.80Level 1 O/C Time Delay (cycles) = 67P1D =0Residual Instantaneous Overcurrent ElementsEnabled Residual Inst Overcurrent Elements = E50G =YNote: Residual inst O/C settings applicable only if enabled above.Residual Inst Overcurrent Element Pick-ups (sec amps, 3I0):Level 1 Res O/C PU = 50G1P =150% of 42 line contribution to a Colbyville 115 kV 1LG busfault50G1P (amps sec, 3I0) =15.40Level 1 O/C Time Delay (cycles) = 67G1D =0Phase Time Overcurrent ElementsEnable Phase Time Overcurrent Element = E51P =NPhase Time Overcurrent Pick-up (sec amps) = 51PP =Phase Time Overcurrent Curve Family = 51PC =Phase Time Overcurrent Time Dial = 51PTD =Phase Time Overcurrent Reset Delay = 51PRS =Residual Ground Time Overcurrent ElementsEnable Residual Time Overcurrent Element = E51G =YResidual Time Overcurrent Pick-up (sec amps) = 51GP =1.50Residual Time Overcurrent Curve Family = 51GC =U1Residual Time Overcurrent Time Dial = 51GTD =2.500Residual Time Overcurrent Reset Delay = 51GRS =NLoad Encroachment ElementsMaximum Line Load Capability (MVA) =150(based on Tac Harb gen RB)Maximum Line Load Power Factor =0.7541.4degMinimum Load Impedance at 1.0 pu Voltage (sec-ohms) =10.58Minimum Load Impedance at 0.9 pu Voltage (sec-ohms) =8.57(constant MVA load)Zone 2 Reach at Max Line Load PF (sec-ohms) =5.29Enable Load Encroachment = ELOAD =NNote: Load encroachment settings applicable only if enabled above.Load Impedance:Forward (sec-ohms) =ZLF =Reverse (sec-ohms) =ZLR =Load Angle - Positive Forward = PLAF =Load Angle - Negative Forward = NLAF =Load Angle - Positive Reverse = PLAR =(180 - 15)Load Angle - Negative Reverse = NLAR =(180 + 41.5)Directional ElementsEnable Directional Control = E32 =AUTOY, AUTOEnable Loss of Potential = ELOP =YY, Y1, NGround Directional Element Priority, ORDER =QVQ,V,I, CombinedSwitch Onto FaultEnable Switch Onto Fault Elements = ESOTF =NY, NClose Enable Time Delay = CLOEND =52A Enable Time Delay = 52AEND =SOTF Duration = SOTFD =Demand MeteringEnable Demand Metering Method = EDEM =THMTHM, ROLTime Constant = DMTC =15.0Phase Pick-up = PDEMP =OFFResidual/Ground Pick-up = GDEMP =OFFNegative Sequence Pick-up = QDEMP =OFFOther SettingsMinimum Trip Duration Time = TDUR =9.00Close Fail Time Delay = CFD =60.00Three Pole Open Time Delay = 3POD =0.50Open Pole Option = OPO =52AThree Pole Open Undervoltage = 27PO =Load Detection Phase Pick-up = 50LD =0.25SELogic Control Equation Variable TimersSELogic Latch Bits Enables = ELAT =1N, 1-16SELogic Display Points Enables = EDP =NN, 1-16Enable SELogic Control Variable Timers = ESV =7N, 1-16SV1 Timer Pick-up = SV1PU =30.000.00-999,999.00 cySV1 Timer Drop-out = SV1DO =0.000.00-999,999.00 cySV2 Timer Pick-up = SV2PU =0.000.00-999,999.00 cySV2 Timer Drop-out = SV2DO =0.000.00-999,999.00 cySV3 Timer Pick-up = SV3PU =0.000.00-999,999.00 cySV3 Timer Drop-out = SV3DO =120.000.00-999,999.00 cySV4 Timer Pick-up = SV4PU =30.000.00-999,999.00 cySV4 Timer Drop-out = SV4DO =75.000.00-999,999.00 cySV5 Timer Pick-up = SV5PU =0.000.00-999,999.00 cySV5 Timer Drop-out = SV5DO =0.000.00-999,999.00 cySV6 Timer Pick-up = SV6PU =60.000.00-999,999.00 cySV6 Timer Drop-out = SV6DO =0.000.00-999,999.00 cySV7 Timer Pick-up = SV7PU =0.000.00-999,999.00 cySV7 Timer Drop-out = SV7DO =0.000.00-999,999.00 cySV8 Timer Pick-up = SV8PU =0.000.00-999,999.00 cySV8 Timer Drop-out = SV8DO =0.000.00-999,999.00 cySV9 Timer Pick-up = SV9PU =0.000.00-999,999.00 cySV9 Timer Drop-out = SV9DO =0.000.00-999,999.00 cySV10 Timer Pick-up = SV10PU =0.000.00-999,999.00 cySV10 Timer Drop-out = SV10DO =0.000.00-999,999.00 cySV11 Timer Pick-up = SV11PU =0.000.00-999,999.00 cySV11 Timer Drop-out = SV11DO =0.000.00-999,999.00 cySV12 Timer Pick-up = SV12PU =0.000.00-999,999.00 cySV12 Timer Drop-out = SV12DO =0.000.00-999,999.00 cySV13 Timer Pick-up = SV13PU =0.000.00-999,999.00 cySV13 Timer Drop-out = SV13DO =0.000.00-999,999.00 cySV14 Timer Pick-up = SV14PU =0.000.00-999,999.00 cySV14 Timer Drop-out = SV14DO =0.000.00-999,999.00 cySV15 Timer Pick-up = SV15PU =0.000.00-999,999.00 cySV15 Timer Drop-out = SV15DO =0.000.00-999,999.00 cySV16 Timer Pick-up = SV16PU =0.000.00-999,999.00 cySV16 Timer Drop-out = SV16DO =0.000.00-999,999.00 cy

&LNSM 115 kV Substation42 Line&C&A&R&Dby Tom Ernst&CPage &P of &N

Fault CalcsCalculate the apparent impedance from NSM 115 kV to Colbyville 13.8 kV==================================================================================================================================1. 3LG Bus fault on:with 56L, 57L and 2TM open at ColbyvilleCOLBYVIL 14.4 kVFAULT CURRENT (A @ DEG)+ SEQ - SEQ 0 SEQ A PHASE B PHASE C PHASE4739.8@ -82.8 0.0@ 0.0 0.0@ 0.0 4739.8@ -82.8 4739.8@ 157.2 4739.8@ 37.2THEVENIN IMPEDANCE (OHM)0.21991+j1.74019 0.21991+j1.74019 0.05039+j0.93727SHORT CIRCUIT MVA= 118.2 X/R RATIO= 7.91322 R0/X1= 0.02896 X0/X1= 0.5386----------------------------------------------------------------------------------------------------------------------------------BUS 14661 NSM/SBP B1 115.KV AREA 3 ZONE 1 TIER 2 (PREFAULT V=1.000@ 0.0 PU)+ SEQ - SEQ 0 SEQ A PHASE B PHASE C PHASEVOLTAGE (KV, L-G) > 58.746@ -5.3 0.000@ 0.0 0.000@ 0.0 58.746@ -5.3 [email protected] 58.746@ 114.7BRANCH CURRENT (A) TO >10420 SILVER-B-H-T 115. 1L 525.8@ -51.2 0.0@ 0.0 0.0@ 0.0 525.8@ -51.2 [email protected] 525.8@ 68.80 NSM/SBP B2 115. S 431.7@ 129.4 0.0@ 0.0 0.0@ 0.0 431.7@ 129.4 431.7@ 9.4 [email protected] SBP 3A 13.8 1T 94.3@ 125.7 0.0@ 0.0 0.0@ 0.0 94.3@ 125.7 94.3@ 5.7 94.3@-114.3----------------------------------------------------------------------------------------------------------------------------------Calculate 50P1==================================================================================================================================1. 3LG Bus fault on:COLBYVL/1388 115. kVFAULT CURRENT (A @ DEG)+ SEQ - SEQ 0 SEQ A PHASE B PHASE C PHASE13267.3@ -68.6 0.0@ 0.0 0.0@ 0.0 13267.3@ -68.6 13267.3@ 171.4 13267.3@ 51.4THEVENIN IMPEDANCE (OHM)1.82415+j4.66013 1.85839+j4.67645 19.2121+j25.3607SHORT CIRCUIT MVA= 2642.7 X/R RATIO= 2.55468 R0/X1= 4.12265 X0/X1= 5.44207----------------------------------------------------------------------------------------------------------------------------------BUS 14661 NSM/SBP B1 115.KV AREA 3 ZONE 1 TIER 1 (PREFAULT V=1.000@ 0.0 PU)+ SEQ - SEQ 0 SEQ A PHASE B PHASE C PHASEVOLTAGE (KV, L-G) > 46.536@ -3.7 0.000@ 0.0 0.000@ 0.0 46.536@ -3.7 [email protected] 46.536@ 116.3BRANCH CURRENT (A) TO >10420 SILVER-B-H-T 115. 1L 1130.4@ -76.1 0.0@ 0.0 0.0@ 0.0 1130.4@ -76.1 1130.4@ 163.9 1130.4@ 43.90 NSM/SBP B2 115. S 932.9@ 104.8 0.0@ 0.0 0.0@ 0.0 932.9@ 104.8 932.9@ -15.2 [email protected] SBP 3A 13.8 1T 198.2@ 99.6 0.0@ 0.0 0.0@ 0.0 198.2@ 99.6 198.2@ -20.4 198.2@-140.4----------------------------------------------------------------------------------------------------------------------------------Calculate 50G1==================================================================================================================================2. 1LG Bus fault on:COLBYVL/1388 115. kVFAULT CURRENT (A @ DEG)+ SEQ - SEQ 0 SEQ A PHASE B PHASE C PHASE1597.2@ -56.6 1597.2@ -56.6 1597.2@ -56.6 4791.6@ -56.6 0.0@ 0.0 0.0@ 0.0THEVENIN IMPEDANCE (OHM)1.82415+j4.66013 1.85839+j4.67645 19.2121+j25.3607SHORT CIRCUIT MVA= 954.4 X/R RATIO= 1.51552 R0/X1= 4.12265 X0/X1= 5.44207----------------------------------------------------------------------------------------------------------------------------------BUS 14661 NSM/SBP B1 115.KV AREA 3 ZONE 1 TIER 1 (PREFAULT V=1.000@ 0.0 PU)+ SEQ - SEQ 0 SEQ A PHASE B PHASE C PHASEVOLTAGE (KV, L-G) > 64.126@ -0.8 [email protected] [email protected] 57.127@ -2.9 [email protected] 67.371@ 122.0BRANCH CURRENT (A) TO >10420 SILVER-B-H-T 115. 1L 136.1@ -64.0 136.8@ -64.3 409.7@ -72.8 680.7@ -69.4 276.0@ -76.9 275.1@ -77.20 NSM/SBP B2 115. S 112.3@ 116.9 112.9@ 116.6 262.7@ 107.5 486.3@ 111.8 153.0@ 100.9 152.3@ 100.50 SBP 3A 13.8 1T 23.9@ 111.7 24.0@ 111.4 147.0@ 106.7 194.7@ 107.9 123.2@ 105.8 123.0@ 105.7----------------------------------------------------------------------------------------------------------------------------------==================================================================================================================================3. 1LG Bus fault on:COLBYVL/1388 115. kVwith outage(s):COLBYVL/1388 115. kV - MUTL_56 115. kV 1 LFAULT CURRENT (A @ DEG)+ SEQ - SEQ 0 SEQ A PHASE B PHASE C PHASE1080.4@ -65.4 1080.4@ -65.4 1080.4@ -65.4 3241.1@ -65.4 0.0@ 0.0 0.0@ 0.0THEVENIN IMPEDANCE (OHM)2.82193+j9.71618 2.8492+j9.72927 19.8778+j36.4475SHORT CIRCUIT MVA= 645.6 X/R RATIO= 2.18769 R0/X1= 2.04584 X0/X1= 3.75122----------------------------------------------------------------------------------------------------------------------------------BUS 14661 NSM/SBP B1 115.KV AREA 3 ZONE 1 TIER 1 (PREFAULT V=1.000@ 0.0 PU)+ SEQ - SEQ 0 SEQ A PHASE B PHASE C PHASEVOLTAGE (KV, L-G) > 63.205@ -0.9 [email protected] [email protected] 55.852@ -3.1 [email protected] 66.867@ 120.8BRANCH CURRENT (A) TO >10420 SILVER-B-H-T 115. 1L 185.6@ -68.0 185.9@ -68.1 361.6@ -73.1 732.4@ -70.5 177.6@ -78.3 177.1@ -78.60 NSM/SBP B2 115. S 152.7@ 112.8 153.0@ 112.7 231.9@ 107.2 537.0@ 110.3 81.3@ 96.9 80.9@ 96.50 SBP 3A 13.8 1T 32.9@ 108.5 33.0@ 108.4 129.7@ 106.3 195.6@ 107.0 96.9@ 105.7 96.7@ 105.6----------------------------------------------------------------------------------------------------------------------------------==================================================================================================================================4. 1LG Bus fault on:COLBYVL/1388 115. kVwith outage(s):COLBYVL/1388 115. kV - CLBYVIL 57L 115. kV LFAULT CURRENT (A @ DEG)+ SEQ - SEQ 0 SEQ A PHASE B PHASE C PHASE1085.8@ -65.7 1085.8@ -65.7 1085.8@ -65.7 3257.5@ -65.7 0.0@ 0.0 0.0@ 0.0THEVENIN IMPEDANCE (OHM)2.53811+j9.35007 2.56604+j9.36313 20.0399+j37.0237SHORT CIRCUIT MVA= 648.9 X/R RATIO= 2.21671 R0/X1= 2.14329 X0/X1= 3.95973----------------------------------------------------------------------------------------------------------------------------------BUS 14661 NSM/SBP B1 115.KV AREA 3 ZONE 1 TIER 1 (PREFAULT V=1.000@ 0.0 PU)+ SEQ - SEQ 0 SEQ A PHASE B PHASE C PHASEVOLTAGE (KV, L-G) > 63.339@ -0.9 [email protected] [email protected] 56.038@ -3.1 [email protected] 66.967@ 120.9BRANCH CURRENT (A) TO >10420 SILVER-B-H-T 115. 1L 178.6@ -67.2 179.0@ -67.4 368.5@ -73.2 725.2@ -70.3 191.9@ -78.6 191.3@ -78.80 NSM/SBP B2 115. S 147.0@ 113.5 147.3@ 113.4 236.3@ 107.1 529.9@ 110.6 91.8@ 97.0 91.3@ 96.60 SBP 3A 13.8 1T 31.7@ 109.2 31.7@ 109.1 132.2@ 106.2 195.5@ 107.2 100.6@ 105.4 100.5@ 105.3----------------------------------------------------------------------------------------------------------------------------------Set 50G1 = 150% of 3I0, where I0 = larger of the 3 cases above50G1 = 1.5 * 3 * 410 = 1845Test Data:==================================================================================================================================Test 1. 3LG Interm. fault 85.19%(50.00%) on:SILVER-B-H-T 115. kV - WALD-UPA-SUB 115. kV 1 LFAULT CURRENT (A @ DEG)+ SEQ - SEQ 0 SEQ A PHASE B PHASE C PHASE4279.8@ -75.3 0.0@ 0.0 0.0@ 0.0 4279.8@ -75.3 4279.8@ 164.7 4279.8@ 44.7THEVENIN IMPEDANCE (OHM)3.93579+j15.0058 3.95052+j15.0131 16.426+j36.1676SHORT CIRCUIT MVA= 852.5 X/R RATIO= 3.8126 R0/X1= 1.09464 X0/X1= 2.41025----------------------------------------------------------------------------------------------------------------------------------BUS 14661 NSM/SBP B1 115.KV AREA 3 ZONE 1 TIER 0 (PREFAULT V=1.000@ 0.0 PU)+ SEQ - SEQ 0 SEQ A PHASE B PHASE C PHASEVOLTAGE (KV, L-G) > 35.701@ -8.0 0.000@ 0.0 0.000@ 0.0 35.701@ -8.0 [email protected] 35.701@ 112.0BRANCH CURRENT (A) TO >10420 SILVER-B-H-T 115. 1L 1728.1@ -76.6 0.0@ 0.0 0.0@ 0.0 1728.1@ -76.6 1728.1@ 163.4 1728.1@ 43.40 NSM/SBP B2 115. S 1419.9@ 104.1 0.0@ 0.0 0.0@ 0.0 1419.9@ 104.1 1419.9@ -15.9 [email protected] SBP 3A 13.8 1T 308.8@ 100.2 0.0@ 0.0 0.0@ 0.0 308.8@ 100.2 308.8@ -19.8 308.8@-139.8----------------------------------------------------------------------------------------------------------------------------------==================================================================================================================================Test 2. 3LG Bus fault on:COLBYVL/1388 115. kVFAULT CURRENT (A @ DEG)+ SEQ - SEQ 0 SEQ A PHASE B PHASE C PHASE13267.3@ -68.6 0.0@ 0.0 0.0@ 0.0 13267.3@ -68.6 13267.3@ 171.4 13267.3@ 51.4THEVENIN IMPEDANCE (OHM)1.82415+j4.66013 1.85839+j4.67645 19.2121+j25.3607SHORT CIRCUIT MVA= 2642.7 X/R RATIO= 2.55468 R0/X1= 4.12265 X0/X1= 5.44207----------------------------------------------------------------------------------------------------------------------------------BUS 14661 NSM/SBP B1 115.KV AREA 3 ZONE 1 TIER 1 (PREFAULT V=1.000@ 0.0 PU)+ SEQ - SEQ 0 SEQ A PHASE B PHASE C PHASEVOLTAGE (KV, L-G) > 46.536@ -3.7 0.000@ 0.0 0.000@ 0.0 46.536@ -3.7 [email protected] 46.536@ 116.3BRANCH CURRENT (A) TO >10420 SILVER-B-H-T 115. 1L 1130.4@ -76.1 0.0@ 0.0 0.0@ 0.0 1130.4@ -76.1 1130.4@ 163.9 1130.4@ 43.90 NSM/SBP B2 115. S 932.9@ 104.8 0.0@ 0.0 0.0@ 0.0 932.9@ 104.8 932.9@ -15.2 [email protected] SBP 3A 13.8 1T 198.2@ 99.6 0.0@ 0.0 0.0@ 0.0 198.2@ 99.6 198.2@ -20.4 198.2@-140.4----------------------------------------------------------------------------------------------------------------------------------==================================================================================================================================Test 3. 3LG Bus fault on:NSM/SBP B1 115. kVFAULT CURRENT (A @ DEG)+ SEQ - SEQ 0 SEQ A PHASE B PHASE C PHASE5037.1@ -81.8 0.0@ 0.0 0.0@ 0.0 5037.1@ -81.8 5037.1@ 158.2 5037.1@ 38.2THEVENIN IMPEDANCE (OHM)1.87205+j13.0477 1.87485+j13.0505 0.91696+j11.1849SHORT CIRCUIT MVA= 1003.3 X/R RATIO= 6.96974 R0/X1= 0.07028 X0/X1= 0.85723----------------------------------------------------------------------------------------------------------------------------------BUS 14661 NSM/SBP B1 115.KV AREA 3 ZONE 1 TIER 0 (PREFAULT V=1.000@ 0.0 PU)+ SEQ - SEQ 0 SEQ A PHASE B PHASE C PHASEVOLTAGE (KV, L-G) > 0.000@ 0.0 0.000@ 0.0 0.000@ 0.0 0.000@ 0.0 0.000@ 0.0 0.000@ 0.0BRANCH CURRENT (A) TO >10420 SILVER-B-H-T 115. 1L 1426.7@ 108.2 0.0@ 0.0 0.0@ 0.0 1426.7@ 108.2 1426.7@ -11.8 [email protected] NSM/SBP B2 115. S 2989.7@ 94.9 0.0@ 0.0 0.0@ 0.0 2989.7@ 94.9 2989.7@ -25.1 [email protected] SBP 3A 13.8 1T 652.2@ 91.1 0.0@ 0.0 0.0@ 0.0 652.2@ 91.1 652.2@ -28.9 [email protected] TO FAULT (A) > 5037.1@ -81.8 0.0@ 0.0 0.0@ 0.0 5037.1@ -81.8 5037.1@ 158.2 5037.1@ 38.2THEVENIN IMPEDANCE (OHM) > 13.1813@ 81.8 13.1813@ 81.8 11.2224@ 85.3----------------------------------------------------------------------------------------------------------------------------------==================================================================================================================================Test 4. 1LG Interm. fault 85.19%(50.00%) on:SILVER-B-H-T 115. kV - WALD-UPA-SUB 115. kV 1 LFAULT CURRENT (A @ DEG)+ SEQ - SEQ 0 SEQ A PHASE B PHASE C PHASE941.6@ -69.8 941.6@ -69.8 941.6@ -69.8 2824.9@ -69.8 0.0@ 0.0 0.0@ 0.0THEVENIN IMPEDANCE (OHM)3.93579+j15.0058 3.95052+j15.0131 16.426+j36.1676SHORT CIRCUIT MVA= 562.7 X/R RATIO= 2.72232 R0/X1= 1.09464 X0/X1= 2.41025----------------------------------------------------------------------------------------------------------------------------------BUS 14661 NSM/SBP B1 115.KV AREA 3 ZONE 1 TIER 0 (PREFAULT V=1.000@ 0.0 PU)+ SEQ - SEQ 0 SEQ A PHASE B PHASE C PHASEVOLTAGE (KV, L-G) > 59.726@ -1.7 [email protected] [email protected] 46.673@ -6.2 [email protected] 66.515@ 119.8BRANCH CURRENT (A) TO >10420 SILVER-B-H-T 115. 1L 380.2@ -71.1 380.5@ -71.2 563.3@ -74.0 1323.6@ -72.3 184.6@ -79.7 184.1@ -79.90 NSM/SBP B2 115. S 312.4@ 109.6 312.6@ 109.5 361.2@ 106.3 985.9@ 108.4 52.4@ 86.9 52.1@ 86.40 SBP 3A 13.8 1T 67.9@ 105.7 68.0@ 105.6 202.1@ 105.5 338.0@ 105.6 134.1@ 105.4 134.1@ 105.4----------------------------------------------------------------------------------------------------------------------------------==================================================================================================================================Test 5. 1LG Bus fault on:COLBYVL/1388 115. kVFAULT CURRENT (A @ DEG)+ SEQ - SEQ 0 SEQ A PHASE B PHASE C PHASE1597.2@ -56.6 1597.2@ -56.6 1597.2@ -56.6 4791.6@ -56.6 0.0@ 0.0 0.0@ 0.0THEVENIN IMPEDANCE (OHM)1.82415+j4.66013 1.85839+j4.67645 19.2121+j25.3607SHORT CIRCUIT MVA= 954.4 X/R RATIO= 1.51552 R0/X1= 4.12265 X0/X1= 5.44207----------------------------------------------------------------------------------------------------------------------------------BUS 14661 NSM/SBP B1 115.KV AREA 3 ZONE 1 TIER 1 (PREFAULT V=1.000@ 0.0 PU)+ SEQ - SEQ 0 SEQ A PHASE B PHASE C PHASEVOLTAGE (KV, L-G) > 64.126@ -0.8 [email protected] [email protected] 57.127@ -2.9 [email protected] 67.371@ 122.0BRANCH CURRENT (A) TO >10420 SILVER-B-H-T 115. 1L 136.1@ -64.0 136.8@ -64.3 409.7@ -72.8 680.7@ -69.4 276.0@ -76.9 275.1@ -77.20 NSM/SBP B2 115. S 112.3@ 116.9 112.9@ 116.6 262.7@ 107.5 486.3@ 111.8 153.0@ 100.9 152.3@ 100.50 SBP 3A 13.8 1T 23.9@ 111.7 24.0@ 111.4 147.0@ 106.7 194.7@ 107.9 123.2@ 105.8 123.0@ 105.7----------------------------------------------------------------------------------------------------------------------------------==================================================================================================================================Test 6. 1LG Bus fault on:NSM/SBP B1 115. kVFAULT CURRENT (A @ DEG)+ SEQ - SEQ 0 SEQ A PHASE B PHASE C PHASE1767.1@ -82.9 1767.1@ -82.9 1767.1@ -82.9 5301.2@ -82.9 0.0@ 0.0 0.0@ 0.0THEVENIN IMPEDANCE (OHM)1.87205+j13.0477 1.87485+j13.0505 0.91696+j11.1849SHORT CIRCUIT MVA= 1055.9 X/R RATIO= 7.99404 R0/X1= 0.07028 X0/X1= 0.85723----------------------------------------------------------------------------------------------------------------------------------BUS 14661 NSM/SBP B1 115.KV AREA 3 ZONE 1 TIER 0 (PREFAULT V=1.000@ 0.0 PU)+ SEQ - SEQ 0 SEQ A PHASE B PHASE C PHASEVOLTAGE (KV, L-G) > 43.109@ 0.6 23.298@ 179.0 [email protected] 0.000@ 0.0 [email protected] 63.605@ 117.9BRANCH CURRENT (A) TO >10420 SILVER-B-H-T 115. 1L 500.5@ 107.2 500.3@ 107.2 129.7@ 120.7 1127.4@ 108.7 375.7@ -77.4 375.2@ -77.50 NSM/SBP B2 115. S 1048.8@ 93.9 1049.1@ 93.9 1057.5@ 95.6 3155.0@ 94.5 33.5@ 169.7 33.0@ 170.00 SBP 3A 13.8 1T 228.8@ 90.1 228.9@ 90.1 591.5@ 94.8 1048.3@ 92.7 363.9@ 97.8 363.9@ 97.7CURRENT TO FAULT (A) > 1767.1@ -82.9 1767.1@ -82.9 1767.1@ -82.9 5301.2@ -82.9 0.0@ 0.0 0.0@ 0.0THEVENIN IMPEDANCE (OHM) > 13.1813@ 81.8 13.1813@ 81.8 11.2224@ 85.3----------------------------------------------------------------------------------------------------------------------------------

&LNSM 115 kV Substation42 Line&C&A&R&Dby Tom ErnstPage &P

Test FaultsFault Testing with mpAutoTestLocation / Line :42 Line Tac HarborDirections ENGINEERING:Directions TECHNICIANS:ENTER VALUES IN GREEN CELLS ONLYAfter data has been entered in this sheet FILE SAVE AS LINE NAME, SUBSTATION NAMEClick on the "Arrays" sheet & SAVE AS:EMAIL to TechnicianFile Name = Import.txtFormat = Text(OS/2 or MS-DOS)(*.txt)Place it in the Procomm\Aspect DirectoryTo be used with mpAutoTest "System Checkout - VID" or "System Checkout - Fault Control Panel"PT & CT RATIO = / 1PT Ratio:1000VoltageCurrentCT Ratio:1200012Test 11) 42L 3Ph Flt mid linePrimary Test ValuesPhasePri. VoltagePri. CurrentMagAngleMagAngleA35.7-81728-77B35.7-1281728163C35.7112172843Secondary Test ValuesPhaseSec. VoltageSec. CurrentMagAngleMagAngleA35.7-814.4-110B35.7-12814.4130C35.711214.418Test 22) Colbyville 3Ph Bus FaultPrimary Test ValuesPhasePri. VoltagePri. CurrentMagAngleMagAngleA46.5-41130-76B46.5-1241130164C46.5116113044Secondary Test ValuesPhaseSec. VoltageSec. CurrentMagAngleMagAngleA46.5-49.4-76B46.5-1249.4164C46.51169.444Test 33) NSM 3Ph Bus Fault (Reverse)Primary Test ValuesPhasePri. VoltagePri. CurrentMagAngleMagAngleA001427108B0-1201427-12C01201427-132Secondary Test ValuesPhaseSec. VoltageSec. CurrentMagAngleMagAngleA0.0011.9108B0.0-12011.9-12C0.012011.9-132Test 44) 42L A-Grd Mid-Line FaultPrimary Test ValuesPhasePri. VoltagePri. CurrentMagAngleMagAngleA47-61324-72B66-120185-80C67120184-80Secondary Test ValuesPhaseSec. VoltageSec. CurrentMagAngleMagAngleA47.0-611.0-72B66.0-1201.5-80C67.01201.5-80Test 55) Colbyville A-GND Bus FaultPrimary Test ValuesPhasePri. VoltagePri. CurrentMagAngleMagAngleA57-3681-69B67-122276-77C68122275-77Secondary Test ValuesPhaseSec. VoltageSec. CurrentMagAngleMagAngleA57.0-35.7-69B67.0-1222.3-77C68.01222.3-77Test 66) NSM A-GND Bus Fault (Reverse)Primary Test ValuesPhasePri. VoltagePri. CurrentMagAngleMagAngleA001127109B66-117376-77C64118322-78Secondary Test ValuesPhaseSec. VoltageSec. CurrentMagAngleMagAngleA0.009.4109B66.0-1173.1-77C64.01182.7-78Test 7Primary Test ValuesPhasePri. VoltagePri. CurrentMagAngleMagAngleA72-29219-101B2.61802400143C2.810324005Secondary Test ValuesPhaseSec. VoltageSec. CurrentMagAngleMagAngleA72.0-291.8-101B2.618020.0143C2.810320.05Test 8Primary Test ValuesPhasePri. VoltagePri. CurrentMagAngleMagAngleA0-3249-120B0-15449120C094490Secondary Test ValuesPhaseSec. VoltageSec. CurrentMagAngleMagAngleA0.0-320.4-120B0.0-1540.4120C0.0940.40Test 9Primary Test ValuesPhasePri. VoltagePri. CurrentMagAngleMagAngleA0180223670B68-15420093C709421292Secondary Test ValuesPhaseSec. VoltageSec. CurrentMagAngleMagAngleA0.018018.670B68.0-1541.793C70.0941.892Test 10Primary Test ValuesPhasePri. VoltagePri. CurrentMagAngleMagAngleA1.3-303000-110B1.3-1503000130C1.390300010Secondary Test ValuesPhaseSec. VoltageSec. CurrentMagAngleMagAngleA1.3-3025.0-110B1.3-15025.0130C1.39025.010Test 11Primary Test ValuesPhasePri. VoltagePri. CurrentMagAngleMagAngleABCSecondary Test ValuesPhaseSec. VoltageSec. CurrentMagAngleMagAngleA0.000.00B0.000.00C0.000.00Test 1212Primary Test ValuesPhasePri. VoltagePri. CurrentMagAngleMagAngleABCSecondary Test ValuesPhaseSec. VoltageSec. CurrentMagAngleMagAngleA0.000.00B0.000.00C0.000.00Test 1313Primary Test ValuesPhasePri. VoltagePri. CurrentMagAngleMagAngleABCSecondary Test ValuesPhaseSec. VoltageSec. CurrentMagAngleMagAngleA0.000.00B0.000.00C0.000.00Test 1414Primary Test ValuesPhasePri. VoltagePri. CurrentMagAngleMagAngleABCSecondary Test ValuesPhaseSec. VoltageSec. CurrentMagAngleMagAngleA0.000.00B0.000.00C0.000.00Test 1515Primary Test ValuesPhasePri. VoltagePri. CurrentMagAngleMagAngleABCSecondary Test ValuesPhaseSec. VoltageSec. CurrentMagAngleMagAngleA0.000.00B0.000.00C0.000.00Test 1616Primary Test ValuesPhasePri. VoltagePri. CurrentMagAngleMagAngleABCSecondary Test ValuesPhaseSec. VoltageSec. CurrentMagAngleMagAngleA0.000.00B0.000.00C0.000.00Test 1717Primary Test ValuesPhasePri. VoltagePri. CurrentMagAngleMagAngleABCSecondary Test ValuesPhaseSec. VoltageSec. CurrentMagAngleMagAngleA0.000.00B0.000.00C0.000.00Test 1818Primary Test ValuesPhasePri. VoltagePri. CurrentMagAngleMagAngleABCSecondary Test ValuesPhaseSec. VoltageSec. CurrentMagAngleMagAngleA0.000.00B0.000.00C0.000.00Test 1919Primary Test ValuesPhasePri. VoltagePri. CurrentMagAngleMagAngleABCSecondary Test ValuesPhaseSec. VoltageSec. CurrentMagAngleMagAngleA0.000.00B0.000.00C0.000.00Test 2020Primary Test ValuesPhasePri. VoltagePri. CurrentMagAngleMagAngleABCSecondary Test ValuesPhaseSec. VoltageSec. CurrentMagAngleMagAngleA0.000.00B0.000.00C0.000.00

&LNSM 115 kV Substation 42L&C&A&R&Dby Tom ErnstPage &PNORMAL (NO SKEW)SKEW ANGLESSKEW Phase AnglesVoltage MagnitudeVoltsKilo VoltsClearClearClearClearClearClearClearClearClearClearClearClearClearClearClearClearClearClearClearClear

Arrays35.735.7128 Line Tac Harbor35.7-8.0-128.0112.014.414.414.4-110.0130.018.046.546.546.5-4.0-124.0116.09.49.49.4-76.0164.044.00.00.00.00.0-120.0120.011.911.911.9108.0-12.0-132.047.066.067.0-6.0-120.0120.011.01.51.5-72.0-80.0-80.057.067.068.0-3.0-122.0122.05.72.32.3-69.0-77.0-77.00.066.064.00.0-117.0118.09.43.12.7109.0-77.0-78.072.02.62.8-29.0180.0103.01.820.020.0-101.0143.05.00.00.00.0-32.0-154.094.00.40.40.4-120.0120.00.00.068.070.0180.0-154.094.018.61.71.870.093.092.01.31.31.3-30.0-150.090.025.025.025.0-110.0130.010.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.01) 42L 3Ph Flt mid line2) Colbyville 3Ph Bus Fault3) NSM 3Ph Bus Fault (Reverse)4) 42L A-Grd Mid-Line Fault5) Colbyville A-GND Bus Fault6) NSM A-GND Bus Fault (Reverse)0.00.00.00.00.012.013.014.015.016.017.018.019.020.01000120

&LNSM 115 kV Substation 42L&C&A&R&Dby Tom ErnstPage &P

21P OOS CharacteristicOver-All X-R Characteristic of 21P (including load encroachment)Test Data for the Out-of Step Characteristic

&LNSM 115 kV Substation 42L&C&A&R&Dby Tom ErnstPage &PXR8.7-8.7-6.415.017.3-15.0-17.3ZONE 7ZONE 6ZONE 2ZONE 4ZONE 36.4ZONE 1Using Law if Sines:

inner blinder: Zin pu*sin(43.2) = 6.35*sin(106.8); Zin pu= 6.35*sin(106.8)/sin(43.2) = 8.88 ohms [60V, 6.8A @ -30 deg]

outer blinder: Zout pu*sin(43.2) = 8.73*sin(106.8); Zout pu= 8.73*sin(106.8)/sin(43.2) =12.21 ohms [60V, 4.9A @ -30 deg]

ramp rate = dZ/dT = (12.21 8.88)/0.05 = 66.6 ohms/sec

= dA/dT = (4.9 6.8)/0.05 = -38 A/sec [@ constant V = 60 volts]

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MBD001CC2CE.doc

-17

-9

9

17

X

-17

-9

9

17

R

Out of step Device 68 : R-X Plane-[secondary ohm]

Line: 42, Unit: NSM-42L-78OST, Z: 4.92 < 73.2

Zone3

Line Z1

Load-Z

R1

R2

R3

R4

Zout pu = 12.21

(60V, 4.9A @ -30 deg)

Zin pu = 8.88

(60V, 6.8A @ -30 deg)

Zstart = 15

(60V, 4A @ -30 deg)

30 deg

106.8 deg

73.2 deg

43.2 deg

ramp


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