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IED PRODUCTS
description
MiCOM P34X
Generator Protection Relays
MiCOM generator protection relays provide flexible and reliable integration of protection, control, monitoring and measurement functions for small, medium and large generators.
Specification
| Description | Specification | |||
|---|---|---|---|---|
| Type (Model Name) | P342 | P343 | P344 | P345 |
| Auxiliary Power Supply | 24-32Vdc 48-110Vdc/40-100Vac 110-250Vdc/100-240Vac |
|||
| CT Inputs | 5 | 8 | 8 | 9 |
| VT inputs | 4 | 4 | 5 | 6 |
| Number of Digital input (max) | 24 | 32 | ||
| Number of Digital Output (max) | 24 | 32 | ||
| Number of Analog Input (optional) | 4 | |||
| Number of Analog Output (optional) | 4 | |||
| Number of RTDs (optional) | 10 | |||
| Protection Elements | Under-impedance (21) Overfluxing (24) Check synchronising (25) 100 % stator earth fault (3rd) (27TN/59TN)* Directional power (32) Undercurret (37P/37N) Thermal overload (38/49) Loss of field (40) Negative sequence overcurrent (46) Negative sequence thermal (46T) Negative sequence over voltage (47) Unintentional energisation (50/27) Ground fault (50N/51N) 3 Phase overcurrent (50/51P) Circuit breaker failure (50BF) Interturn / split phase (50DT) Voltage controlled overcurrent(51V) Over / Under voltage (59/27) Residual over voltage (59N) Restricted earth fault (64) Wattmetric earth fault (64N/32N) Rotor earth fault (64R) (MiCOM P391 option) 100 % stator earth fault (low frequency) (64S) Ground fault directional (67N) Wattmetric sensitive earth fault (67W) Pole slipping (78) Turbine abnormal frequency (81AB) Under / Over frequency (81) Generator differential (87G/87GT) Current transformer supervision / VT supervision (CTS/VTS) |
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| Communication Protocol | IEC60870-5-103, DNP3.0, Modbus, K-bus/Courier, IEC61850 | |||
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