Generator Protection

SOL2k-P7 Rev.C 1 (28)

REM 543/545 Machine Terminal

Innovative total solution forRotating Electrical Machines


Intelligent Investment

Reliability from the leading substationautomation supplier

A state-of-the-art solution for protection applications of rotating electrical machines

One product - many possibilitiesProtection, control, measurement and condition monitoring functions selectable according to individual requirements

Cost savingsIntegrated solution eliminates much auxiliary relays and panel work

Take one more step towards Industrial IT!


REM543 - Machine TerminalAreas of application- A comprehensive solution forsynchronous machines (generators & motors) and largeasynchronous motorsProtectionMeasurementData AcquisitionControl

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Leading Protection Technology

Our comprehensive protectionsolution with control capabilities for rotating machines applicable to:

Small and medium power generators and generator-transformer units, used in

DieselHydroelectricSteam power plants

Large and/or important MV synchronous or asynchronous motors, used in

PumpsMillsCrushers, others...

Land and marine systems


Solution for Motor and Generator Protection…select suitable level of protection functionality for your application...

Motor protectionOptimized protection functionality for asynchronous motor applications

Generator protectionWide range of protection functions covering also generators and synchronous motors

…combined with other enhanced features of REM 543/545


Power of Innovation in Motor Protection

Motor start-up supervision (48,14, 66)Thermal overload (49)Unbalance (46)Under current (37)Reverse phase rotation (46R) **NEW!**Over current and short circuit (50/51)High-impedance based /Flux-balance principle based 3-phase differential protection (87M) **NEW!**Earth fault, non-directional (51N) and directional (67N)

As option:RTD/analogue inputs **NEW!**Analogue outputs **NEW!**


Power of Innovation in Generator Protection

Over current and short circuit (50/51)Voltage dependent over current (51V)Underimpedance protection (21G) **NEW!**Fuse failure supervision (60) **NEW!**Stabilized differential protection (87G)High-impedance based /Flux-balance principle based 3-phase differential protection (87G) **NEW!**Earth fault, non-directional (51N) anddirectional (67N)Residual over voltage (59N)


Power of Innovation in Generator Protection (Cont.)

Over and under voltage (59, 27)Positive/negative phase sequence voltage protection (27,47,59) **NEW!**Overexcitation protection (24) **NEW!**Under excitation (40)Thermal overload (49)Unbalanced load, NPS (46)Reverse and forward power (32)Abnormal frequency including df/dt(81O/81U)

As option:RTD/analogue inputs **NEW!**Analogue outputs **NEW!**


REM543 - Machine Terminal

• ABB look and feel

• 1/2 19” * 6U(223.7mm*255.8mm*220mm)

• IP 54 flush mounted

• IP 20 panel mounted



R

L

• 8 freely programmable alarm LEDsby configuration green, yellow, red

• Protection start and trip indication

Front plate• Big graphical display 128x160 pixels

– 20 rows, 16 characters– Automatic backlight

• One TEST, INTERLOCK LED

• Freely programmable push button

• Power supply connected (Uaux)

• Optically isolated RS 232 port


REM543 - Machine TerminalFront plate

R

L

Pushbuttons for local control

Control position indication

Remote / local / disabled / logicpush button

Navigation / menu handling push buttons


REM543 - Machine TerminalInstallation

Rack Semi-flush Flush Wall


REM543 - Machine TerminalHW versions REM 543

1MR

S090

212-

AA

A/C

AA

1MR

S090

212-

AA

B/C

AB

1MR

S090

214-

AA

A/C

AA

1MR

S090

214-

AA

B/C

AB

1MR

S090

216-

AA

A/C

AA

1MR

S090

216-

AA

B/C

AB

1MR

S090

218-

AA

A/C

AA

1MR

S090

218-

AA

B/C

AB

Analogue interface Sensor channels (current or voltage) 8 8 8 8 Transformers Current Transformers 1/5 A 5 5 6 6 7 7 8 8 Voltage Transformers 100 V 4 4 3 3 2 2 1 1Main Processor Boards CPU module CPU1 1 1 1 1 1 1 1 1Power Supply Boards Pow er Supply module PS1; 48V or 240V 1 1 1 1 1 1 1 1 Pow er Supply module PS2; 48V or 240VI/O Boards I/O-module BIO1 1 1 1 1 1 1 1 1Display Boards Graphic MMI display 1 1 1 1 1 1 1 1Mechanic 1/2 Enclosure 1 1 1 1 1 1 1 1Digital inputs 15 15 15 15Power outputs, double pole 5 (* 5 (* 5 (* 5 (*Power outputs, single poleSignal outputs (NO) 2 2 2 2Signal outputs (NO/NC) 5 5 5 5IRF outputs 1 1 1 1*) Two of these provided with Trip Cicuit Supervision C

PU1

MM

I, SI

M

BIO

1

PS1

Traf

o


REM543 - Machine TerminalAnalogue channel configurations5 CTs + 4 VTs or 6 CTs + 3 VTs; also ABB sensor inputs available as an option

Current sensor

Voltage sensor

Current transformer

Voltage transformer

ABB Strömberg Distribution

500 / 5 / 5 AABB Strömberg D istribution

20000:V3 VABB Strömberg Dis tribution

ABB Strömberg D istribution

ABB Strömberg Distribu tion

REF 541

F

C

E

I

O

ABB Network Partner

R LRL


REM543 - Machine TerminalAnalogue channel configurations7 CTs + 2 VTs or 8 CTs + 1 VT;also inputs for ABB sensors available as an option

Current sensor

Voltage sensor

Current transformer

Voltage transformer

ABB Strömberg Distribution

500 / 5 / 5 AABB Strömberg D istribution

20000:V3 VABB Strömberg Dis tribution

ABB Strömberg D istribution

ABB Strömberg Distribu tion

REF 541

F

C

E

I

O

ABB Network Partner

R LRL



Conventional CT´s and VT´s or/and sensors

Current sensor

Voltage sensor

Current transformer

Voltage transformer

X4.2X5.2X6.2

X6.1 X5.1 X4.1 X3.1

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123456789101112131415181718

X1.1272625242322212019181716151413121110987654321

X2.1

X2.2

X2.3

X2.4

X2.5

X2.6

X2.7

X2.8

12

12

12

12

12

12

12

12

X3.2

X3.3

X7.2

X7.1

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Combi sensor



MMI and MIMIC

• Two user levels:– Operator level: MIMIC/Measurements/Events/Alarms– Technical level: Settings

• Display divided intwo areas:– Main window– Help/Indication window

M O N I T O R I N G /P R O G R A M M I N G /C O N T R O L

R E F 5 4 1 A L A R M SC B s p r i n g r e a d yS F 6 g a s d e n s i t y

R E F 5 4 1 M A I NN o n D i r O v e r C u r rN o n D i r E a r t h F a u l tC o n t r o lC o n d i t . m o n i t .I n f o r m a t i o n

R E F 5 4 1 M O N I T O RC u r r e n t i n L 1= 1 2 3 1 . 8 AC u r r e n t i n L 2= 1 3 8 0 . 8 AC u r r e n t i n L 3= 1 3 0 1 . 2 AN e u t r c u r r e n t I 0= 1 0 0 . 3 AV o l t a g e U 1= 2 0 . 7 k V

E n t e r p a s s w o r d1 6 c h a r a c t e r sI >I L 3 S t a r t

* S u p e r v i s i o n *T C S 1

* I n t e r n . f a u l t *o u t p u t 3 5

H E L P / I N D I C A T I O NM E S S A G E S

. . . .. . . .

. . . .

I L 1 , I L 2 T R I PI > >

u s e u p o r d o w nb u t t o n t o s c r o l l

R

L



MMI/MIMIC: Main window

M A I N # NG r o u p # 1G r o u p # 2G r o u p # 3G r o u p # 4G r o u p # 5. . . .. .. . .. .. . .. .. . .G r o u p # N - 1G r o u p # N

M A I N # 4 / G r o u p # NP a r a m e t e r # 1P a r a m e t e r # 2P a r a m e t e r # 3P a r a m e t e r # 4P a r a m e t e r # 5. . . .. . . . .. . . . .. . . . .P a r a m e t e r # N - 1P a r a m e t e r # N

Technical level (Level 2)

MEAS view ALARM viewMIMIC view

MMI parameter menu

C L O S E E N A B L E D

20.1 kV

Q1 Q2

Q9

Q0

EVENT view

PARAMETERGROUPMAIN

A B B T r a n s m i t O yN e t w o r k P a r t n e r

FEEDER TERMINAL REF541A B B N e t w o r k P a r t n e r

Uau x = 8 0. . .26 5 Vd c / ac

fn = 50 Hz

In = 1/5 A ( I)

1MRS xxxxxx

9 8 1 5 0Un = 100/110 V (U)

Uon = 100/110 V (Uo)

Ion = 1/5 A (Io)

9 5 0 9

Q0

Q1 Q2

Q9Operator level (Level1)

_ _ L O A D V A L U E S _ _

I L 1 - A m p s I L 2 - A m p s I L 3 t - A m p sI o - A m p s I o b - A m p s U 1 2 - k V U 2 3 - k V U 3 1 - k V U 1 - k V U 2 - k V U 3 - k V U o - V o l t sk W - L 1 k W - L 2 k W - L 3

U s e U P & D O W N t o s c r o l l v i e w

_ _ _ _ E V E N T S _ _ _ _ _

I > > T r i p 9 5 - 1 2 - 2 4 1 8 : 3 4 : 2 3 . 2 3I > > S t a r t 9 5 - 1 2 - 2 4 1 8 : 3 4 : 2 2 . 5 8

_ _ _ _ A L A R M S _ _ _ _

C B R e a d y

G a s D e n s i t y

T e m p e r a t u r e

T r u c k o u t ! !

M A I N # 4 / G r o u p # N - 1P a r a m e t e r # 1P a r a m e t e r # 2P a r a m e t e r # 3P a r a m e t e r # 4P a r a m e t e r # 5. . . .. . . . .. . . . .. . . . .P a r a m e t e r # N - 1P a r a m e t e r # N

M A I N # 4 / G r o u p # 4P a r a m e t e r # 1P a r a m e t e r # 2P a r a m e t e r # 3P a r a m e t e r # 4P a r a m e t e r # 5. . . .. .. . .M A I N # 4 / G r o u p # 3

P a r a m e t e r # 1P a r a m e t e r # 2P a r a m e t e r # 3P a r a m e t e r # 4P a r a m e t e r # 5. . . .. . . . .. . . . .. . . . .P a r a m e t e r # N - 1P a r a m e t e r # N

M A I N # 4 / G r o u p # 2P a r a m e t e r # 1P a r a m e t e r # 2P a r a m e t e r # 3P a r a m e t e r # 4P a r a m e t e r # 5. . . .. .. . .. .. . .. .. . .P a r a m e t e r # N - 1P a r a m e t e r # N

M A I N # 4 / G r o u p # 1P a r a m e t e r # 1P a r a m e t e r # 2P a r a m e t e r # 3P a r a m e t e r # 4P a r a m e t e r # 5. . . .. .. . .. .. . .. .. . .P a r a m e t e r # N - 1P a r a m e t e r # N

M A I N # N - 1G r o u p # 1G r o u p # 2G r o u p # 3G r o u p # 4G r o u p # 5. . . .. .. . .. .. . .. .. . .G r o u p # N - 1G r o u p # N

M A I N # 4G r o u p # 1G r o u p # 2G r o u p # 3G r o u p # 4G r o u p # 5. . . .. .. . .. .. . .. .. . .G r o u p # N - 1G r o u p # N




R E F 5 4 1 M A I N M E N UM a i n # 1M a i n # 2M a i n # 3M a i n # 4M a i n # 5. . . .. .. . .. .. . .. .. . .M a i n # N - 1M a i n # N



MMI/MIMIC: MIMIC Viewfor changingto MEAS view

O P E N E N A B L E D

20.1 kV

Q1 Q2

Q9

Q0

Q3

AR ON87 A

Feeder 9



MMI/MIMIC: MEAS Viewfor changingto EVENT view Load Values

IL1 Amps 800 IL2 Amps 803IL3 Amps 800Io 0Iob 0U12 kV 20U23 kV 20U31 kV 20U1 kV 11.5U2 kV 11.5U3 kV 11.5Uo -Volts 0kW L1 7360kW L2 7360kW L3 7360

Use Up and Down to scroll view



MMI/MIMIC: EVENT Viewfor changingto ALARM view Events

NOC3Low: E3 95-12-24 18:34:23:230

NOC3Low: E2 95-12-24 18:34:22:580

NOC3High: E5 95-12-24 14:25:52:720

NOC3High: E4 95-12-24 14:25:53:760

Use C-button to clear Events



MMI/MIMIC: ALARM View

CB Ready 95.09.12 12:30 î Gas Density low 95.09.12 11:45 îTemperature high 95.09.12 12:03

CB Truck out !! 95.09.12 11:56 î

Use C-button to clear Alarms



Alarm channels, ALARM view



MMI/MIMIC: Help/Indication window• Help messages regarding:

- Keypad- Parameter setting- Password- Clear/Cancel operations

• Indication messages regarding:- Protection- Control- Condition monitoring

E n t e r p a s s w o r d1 6 c h a r a c t e r sI >I L 3 S t a r t

* S u p e r v i s i o n *T C S 1

* I n t e r n . f a u l t *o u t p u t 3 5

H E L P / I N D I C A T I O NM E S S A G E S

. . . .. . . .

. . . .

I L 1 , I L 2 T R I PI > >

u s e u p o r d o w nb u t t o n t o s c r o l l

R

L



Functionality

START

I0>>

I0>

I>>>I>>

I>

U>

U>>

U>>>

•All functionality available is implemented on the CPU card

•Processor capacity vs.customized application specific configuration can be checked using separate table


Limit Damages at Winding Short Circuits

Reliable and fast generator winding short circuit protection withstabilized differential element

1

b

1 2 3 4 5

2

3

Id2

I b2

I

I

d1

n

Ib3

Id3

I

In

I

Id

nMaximum settings

Default settings

Minimum settings

OPERATION

NO OPERATIONTurn-point 1 Turn-point 2

Short operate timesHigh stability at externalfaults; biasing and CT saturation detection!Wide setting ranges5% min. sensitivitySeparate instantaneous stage for severe faultsImmune to harmonics;operation based onfundamental freq. phasors


Reliable Backup at Near-by Faults -Directly Connected MachinesVoltage dependent overcurrent provides backup for system short circuit protection, especially when excitation system is supplied from generator bus

Flexible control modes:1) Voltage step (voltage controlled)

Start current is dropped to k I > ifvoltage drops under ULimit

2) Voltage slope (voltage restrained)Start current is linear betweenvoltages ULimit 1 and ULimit 2Start current is dropped to k I > ifvoltage drops under ULimit 2

3) Control inputStart current is controlled byinput; start current is k I > whenCONTROL is active

(k = Current multiplier)


Fast Backup at Near-by Faultsfor Generator- Transformer UnitsUnderimpedance provides fast back-up for system short circuit protection

Zhigh-setting

R

X

Zlow-setting

First zone serves as backup for the line protection

3Z< = 0.7 p.u.t> = 1.3 s

LINEPROTECTIONt> = 1 st>> = 0.1s

3Z<< = 0.07 p.u.t>> = 0.1 s

LINEPROTECTIONt> = 1 st>> = 0.1s

Second zone for fast clearance of phase short circuits at generator terminals


Under Excitation - Field Failure Protection

One or three phase impedance measurement based protectionDefinite time operationOffset-mho characteristicDisplacement setting forsensivity adjustmentDelayed reset facility and drop-off time to detect also pole slippingTwo stages

Applied against loss of excitation/ reduced excitationof synchronous machines


Overexcitation - Volts/HertzUsed to prevent overheating of unlaminated metallic partsdue to excess flux in generator and transformer

Two stages

Definite time setting is active at inverse time modes, too

enables composite characteristics in one function block


Start-up Protection for Motors

Three-phase start-up protection for motors based on thermal stress (I2t) calculation Stall protection with digital stall indication inputCumulative start-up time counter protection


Negative Phase SequenceProtection against excessive rotor damagedue to unbalanced load conditions

Definite time or inverse time operationTwo stagesCooling modelling with backwards counting when overload disappears in inverse-time mode

t

I2/IN

Start value

Minimum time Maximum time

t = K(I /I )2

2N - Start value2

Operating curve


Smart Thermal Protection for Motors, Generators and Transformers Provides protection for both short and long time overloading

Thermal model with two timeconstantsProtects both the stator and the rotorin motor protectionAdjustable percentual temperaturelimits for tripping, prior alarm andrestart inhibitEstimate in seconds for the tripping ofthe function blockEstimate in seconds on the timerequired for the object to cool belowthe set limit after trippingPossibility for ambient temperaturecompensation


Prevent Damages of the Prime Mover with Reverse /Under Power Protection

Operate mode = reverse power

P

Q

Hys

tere

sis

O

p

e

r

a

t

e

s

P

Q

Hyst

eres

is

Op

er

at

es

Operate mode = underpower

Three stages available

Settings: Power setting 1.0...200.0 % SnOperation mode reverse power ... underpowerOperation time 0.04...300 sWait time 0.0...60 sDisable mode OFF ... ON


Over Power ProtectionActive or reactive over power protection with 3 stages

Adjustable angle - multiple applications

Angle=0°

Q

P

Hysteresis

P o w e rS e t t i n g

Operates

P

Q

P o w e rS e t t i n g

Operates

Hysteresis

A n g l e

Angle = -85°

Settings: Power setting 1.0...200.0 % SnAngle -90°... 90° Operation time 0.04...300 s


Solution to Rotor E/F Protection

*)Note! This 0.2A input now availablealso in REM 54_

Uaux=100/110/220 Vac AlarmTrip

Ur=40 Vac1)

1) Current injection deviceSPMK 1C40or equivalent

2)

2) Earth fault relay withsensitive 0.2 A input (*such as REJ 511 orFB NEF1Low&Highof REM 543/545

Sensivity up to 20 kOhm



Genset output power onP-Q diagram and under reactance and reverse power trip regions


REM543/545 Machine TerminalLoss of Excitation

Minimum Excitation Limiter

Steady State Stability LimitUnd

erex

cite

dO

vere

G

Syst

em

MW

MVAR

Generator Capability Curvexc

ited

MW

G

Syst

em

MVAR

MW


Enhanced HW Features

More I/O: REM 545 = REM543 + BIO2

- Binary inputs: 15 -> 25

- Power outputs: 5 -> 11

- Alarm outputs: 7

RTD1 option:

- RTD/analogue inputs

- analogue outputs

Capacitor back-up for Real Time Clock

External display unit as option


RTD1 option

Continuous self-supervision and self-calibration quaranteesaccurate measurements for:

Stator winding temperature monitoring Bearing temperature monitoringBlocked ventilationThermal model biasing with ambient air temperatureVarious condition monitoring functions; e.g. bearing vibration, supervision of emergency stop circuit etc.

4 isolated precision mA- outputs to transmit any measured value(e.g. phase currents, power, temperature etc.) to panel meters or PLCs


Unrivalled FlexibilityMultipurpose isolated inputs - easy adaptation to various transducers

Two output modes

0…20 mA4…20 mA

voltage current resistance RTD/ temperaturePt100 Pt100 Pt250 Pt250 Pt1000Pt1000 Ni100 Ni100 Ni120 Ni120 Ni250 Ni250 Ni1000 Ni1000 Cu10

-45..150 °C -45..600 °C -45..150 °C -45..600 °C -45..150 °C -45..600 °C -45..150 °C -45..250 °C -45..150 °C -45..250 °C -45..150 °C -45..250 °C -45..150 °C -45..250 °C -45..150 °C

0..1 V0..5 V1..5 V0..10 V2..10 V-5..5 V-10..10 V

0..1 mA0..5 mA1..5 mA0..10 mA0..20 mA4..20 mA-1..1 mA-2.5..2.5 mA-5..5 mA-10..10 mA-20..20 mA

0..100 Ω0..200 Ω0..500 Ω0..1000 Ω0..2000 Ω0..5000 Ω0..10000 Ω

Wide input ranges

Versatile input modes

OffVoltageCurrentResistance 2W/3WRTD2W/3W


CAP 501 Setting Tool

Functions:Parameter settingReading of measured valuesReading of recorded valuesAcknowledgementDisturbance recorder file uploadDirect connection to terminalSPA protocol

RE_ 5xx

CAP 501


Cap 505 Engineering Tool

Functions:Terminal configuration according to IEC 61131-3 standardTerminal mimic panel configurationParameter settingMeasured values/readingRecorded values/readingAcknowledgementConnection to interbay busSPA and LON communication protocols

CAP 505


REM543/545 Machine Terminal

Application example 1

Comprehensive protection, control, data acquisition for adiesel generator set



Application example 2

Comprehensive protection, control and data acquisition for agenerator-transformer block


Applications...

Synchronous motor AMZ 1250, 6 MW, 200-600 rpm


Applications...

Floating diesel gen-set



Choosing Protection for Rotating Electrical Machines –remember REM!!!

Date post:	19-Nov-2014
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Generator Protection

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