◆ Class of Accuracy: 1.0 / 0.5S / 0.2S◆ High Surge Voltage withstand
capability up to 8 kV.◆ Four Quadrant Energy Measurement.
◆ Up to three Maximum Demand registers.◆ Tamper/ Fraud Detection◆ Multiple Tariff Capability◆ Self-Diagnostics
LARSEN & TOUBRO LIMITED
TRIVECTOR METER – ER300PTRIVECTOR METER – ER300P
METERING
U KAS
TECHNICAL SPECIFICATIONS
Works…..KIADB Indl. Estate, Hebbal, Hootagalli, Mysore-570018. Ph: (0821) 402561. Fax: (0821) 402172.◆ New Delhi: Ph: (011) 25177883. Fax: (011) 25438624 ◆ Bangalore: Ph: (080) 5587825. Fax: (080) 5596397 ◆ Kolkata: Ph:(033) 22823302.
Fax: (033) 22821025 ◆ Chandigarh: Ph:(0172) 370131. Fax:(0172) 792764 ◆ Mumbai: Ph:(022) 28581634. Fax:(022) 28582020◆ Chennai: Ph:(044) 28462055 Fax: (044) 28462102.
LARSEN & TOUBRO LIMITEDMETERING AND PROTECTION SYSTEMS
AccuracyClass 1.0.........Class 1.0.........Class 1.0.........Class 1.0.........Class 1.0......... IIIIIS 13779 / IEC 61036S 13779 / IEC 61036S 13779 / IEC 61036S 13779 / IEC 61036S 13779 / IEC 61036Class 0.5SClass 0.5SClass 0.5SClass 0.5SClass 0.5S ///// 0.2S...0.2S...0.2S...0.2S...0.2S...IEC 60687IEC 60687IEC 60687IEC 60687IEC 60687
IS 14697/CBIP-88IS 14697/CBIP-88IS 14697/CBIP-88IS 14697/CBIP-88IS 14697/CBIP-88Electrical◆◆◆◆◆ Voltage (-30 % to + 20 %) (-30 % to + 20 %) (-30 % to + 20 %) (-30 % to + 20 %) (-30 % to + 20 %)
■■■■■ 3 Phase 4 Wire…….…63.5 V (L-N)3 Phase 4 Wire…….…63.5 V (L-N)3 Phase 4 Wire…….…63.5 V (L-N)3 Phase 4 Wire…….…63.5 V (L-N)3 Phase 4 Wire…….…63.5 V (L-N)■■■■■ 3 Phase 4 Wire……….240 V (L-N)3 Phase 4 Wire……….240 V (L-N)3 Phase 4 Wire……….240 V (L-N)3 Phase 4 Wire……….240 V (L-N)3 Phase 4 Wire……….240 V (L-N)■■■■■ 3 Phase 3 Wire……….110 V (L-L)3 Phase 3 Wire……….110 V (L-L)3 Phase 3 Wire……….110 V (L-L)3 Phase 3 Wire……….110 V (L-L)3 Phase 3 Wire……….110 V (L-L)
◆◆◆◆◆ Current■■■■■ CT operated
IIIII bbbbb……… 1A, 5A……… 1A, 5A……… 1A, 5A……… 1A, 5A……… 1A, 5AIIIIImaxmaxmaxmaxmax…..200% of I…..200% of I…..200% of I…..200% of I…..200% of Ibbbbb
■■■■■ Whole CurrentIIIIIbbbbb....5A, 10A, 20A, 50A....5A, 10A, 20A, 50A....5A, 10A, 20A, 50A....5A, 10A, 20A, 50A....5A, 10A, 20A, 50AIIIIImaxmaxmaxmaxmax…Up to 600% of I…Up to 600% of I…Up to 600% of I…Up to 600% of I…Up to 600% of Ibbbbb
◆◆◆◆◆ Frequency Range 50Hz50Hz50Hz50Hz50Hz +++++ 5 5 5 5 5%%%%%
Measured Energy Values◆◆◆◆◆ 44444 Quadrant Measurement of Quadrant Measurement of Quadrant Measurement of Quadrant Measurement of Quadrant Measurement of
kWh, kVkWh, kVkWh, kVkWh, kVkWh, kVARh,kVARh,kVARh,kVARh,kVARh,kVAhAhAhAhAhOther Measured & DisplayedValues◆◆◆◆◆ Power……kWPower……kWPower……kWPower……kWPower……kW, kV, kV, kV, kV, kVAR,kVAR,kVAR,kVAR,kVAR,kVAAAAA◆◆◆◆◆ VVVVVoltages & Curoltages & Curoltages & Curoltages & Curoltages & Currrrrrentsentsentsentsents◆◆◆◆◆ Power FactorPower FactorPower FactorPower FactorPower Factor◆◆◆◆◆ FrequencyFrequencyFrequencyFrequencyFrequency
Time of Use (TOD)◆◆◆◆◆ Up to 8 TUp to 8 TUp to 8 TUp to 8 TUp to 8 Tarifarifarifarifariff Registersf Registersf Registersf Registersf Registers◆◆◆◆◆ Up to 10 defined slots can beUp to 10 defined slots can beUp to 10 defined slots can beUp to 10 defined slots can beUp to 10 defined slots can be
programmedprogrammedprogrammedprogrammedprogrammed
Tamper Recording◆◆◆◆◆ Logs the following Tthe following Tthe following Tthe following Tthe following Tampersampersampersampersampers
with Date & Time of Occurrencewith Date & Time of Occurrencewith Date & Time of Occurrencewith Date & Time of Occurrencewith Date & Time of Occurrence& Restoration& Restoration& Restoration& Restoration& Restoration
■■■■■ Missing PotentialMissing PotentialMissing PotentialMissing PotentialMissing Potential■■■■■ Missing CurrentMissing CurrentMissing CurrentMissing CurrentMissing Current■■■■■ CurCurCurCurCurrrrrrent & Vent & Vent & Vent & Vent & Voltage Unbalanceoltage Unbalanceoltage Unbalanceoltage Unbalanceoltage Unbalance■■■■■ Current ReversalCurrent ReversalCurrent ReversalCurrent ReversalCurrent Reversal
◆◆◆◆◆ Snapshots of V of V of V of V of V, I, Power Factor, I, Power Factor, I, Power Factor, I, Power Factor, I, Power Factor,,,,,EnerEnerEnerEnerEnergy at the time of tampergy at the time of tampergy at the time of tampergy at the time of tampergy at the time of tamper.....(Optional)(Optional)(Optional)(Optional)(Optional)
◆◆◆◆◆ Flags for Phase Sequence, for Phase Sequence, for Phase Sequence, for Phase Sequence, for Phase Sequence,CurCurCurCurCurrrrrrent Reversal, Vent Reversal, Vent Reversal, Vent Reversal, Vent Reversal, VoltageoltageoltageoltageoltageMissing, Current Missing andMissing, Current Missing andMissing, Current Missing andMissing, Current Missing andMissing, Current Missing andother Tother Tother Tother Tother Tampers.ampers.ampers.ampers.ampers.
Load Survey◆◆◆◆◆ 183 parameter days at 30 min183 parameter days at 30 min183 parameter days at 30 min183 parameter days at 30 min183 parameter days at 30 min
integration periodintegration periodintegration periodintegration periodintegration period◆◆◆◆◆ Programmable Features :-Programmable Features :-Programmable Features :-Programmable Features :-Programmable Features :-
■■■■■ Up to 4 energies can be selectedUp to 4 energies can be selectedUp to 4 energies can be selectedUp to 4 energies can be selectedUp to 4 energies can be selected■■■■■ Integration period programmableIntegration period programmableIntegration period programmableIntegration period programmableIntegration period programmable
from1-60 mins (optional)from1-60 mins (optional)from1-60 mins (optional)from1-60 mins (optional)from1-60 mins (optional)
Maximum Demand (MD) Register◆◆◆◆◆ Up to 3 MD registers can beUp to 3 MD registers can beUp to 3 MD registers can beUp to 3 MD registers can beUp to 3 MD registers can be
programmedprogrammedprogrammedprogrammedprogrammed◆◆◆◆◆ Integration periods programmableIntegration periods programmableIntegration periods programmableIntegration periods programmableIntegration periods programmable
from 1 to 60 minutes.from 1 to 60 minutes.from 1 to 60 minutes.from 1 to 60 minutes.from 1 to 60 minutes.◆◆◆◆◆ Reset: auto/manual/through MRIReset: auto/manual/through MRIReset: auto/manual/through MRIReset: auto/manual/through MRIReset: auto/manual/through MRI◆◆◆◆◆ Rising Demand on displayRising Demand on displayRising Demand on displayRising Demand on displayRising Demand on display
Display◆◆◆◆◆ Custom built LCD with Backlight.Custom built LCD with Backlight.Custom built LCD with Backlight.Custom built LCD with Backlight.Custom built LCD with Backlight.◆◆◆◆◆ 8 digit 7 segment display for8 digit 7 segment display for8 digit 7 segment display for8 digit 7 segment display for8 digit 7 segment display for
parametersparametersparametersparametersparameters◆◆◆◆◆ Identifier for parametersIdentifier for parametersIdentifier for parametersIdentifier for parametersIdentifier for parameters◆◆◆◆◆ 3 Display modes3 Display modes3 Display modes3 Display modes3 Display modes◆◆◆◆◆ Auto Scroll DisplayAuto Scroll DisplayAuto Scroll DisplayAuto Scroll DisplayAuto Scroll Display◆◆◆◆◆ UP-DN Keys for scrollingUP-DN Keys for scrollingUP-DN Keys for scrollingUP-DN Keys for scrollingUP-DN Keys for scrolling
Communication◆◆◆◆◆ Optical port as per IEC 1107Optical port as per IEC 1107Optical port as per IEC 1107Optical port as per IEC 1107Optical port as per IEC 1107◆◆◆◆◆ RS 232 port (optional)RS 232 port (optional)RS 232 port (optional)RS 232 port (optional)RS 232 port (optional)◆◆◆◆◆ RS 485 using MODBUS protocolRS 485 using MODBUS protocolRS 485 using MODBUS protocolRS 485 using MODBUS protocolRS 485 using MODBUS protocol
(optional)(optional)(optional)(optional)(optional)
Data Security◆◆◆◆◆ Data storage in Non VData storage in Non VData storage in Non VData storage in Non VData storage in Non Volatile Memorolatile Memorolatile Memorolatile Memorolatile Memoryyyyy◆◆◆◆◆ 2 levels of Password :-2 levels of Password :-2 levels of Password :-2 levels of Password :-2 levels of Password :-
■■■■■ For Data ReadingFor Data ReadingFor Data ReadingFor Data ReadingFor Data Reading■■■■■ For ProgrammingFor ProgrammingFor ProgrammingFor ProgrammingFor Programming
Self Diagnostics◆◆◆◆◆ Anomaly string indicating :-Anomaly string indicating :-Anomaly string indicating :-Anomaly string indicating :-Anomaly string indicating :-
■■■■■ Program Memory errorProgram Memory errorProgram Memory errorProgram Memory errorProgram Memory error■■■■■ EEPROM errorEEPROM errorEEPROM errorEEPROM errorEEPROM error■■■■■ RTC errorRTC errorRTC errorRTC errorRTC error
Output Device◆◆◆◆◆ LEDs with output proportional toLEDs with output proportional toLEDs with output proportional toLEDs with output proportional toLEDs with output proportional to
kWh,kVkWh,kVkWh,kVkWh,kVkWh,kVARhARhARhARhARh
TRIVECTOR METER – ER300P
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