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MiCOM P740
Numerical Busbar Protection Relay Scheme (Distributed)
MiCOM P740 numerical busbar protection scheme provides scalable and complete protection for all voltage levels, from low to extra or ultra high-voltage busbar configurations.

Specification

Description Specification
Type (Model Name) P741 (CU) P742 (PU) P743 (PU)
Auxiliary Power Supply 24-32Vdc
48-110Vdc/40-100Vac
110-250Vdc/100-240Vac
CT Inputs 0 4 4
VT inputs 0 0 0
Number of Digital input (max) 8 16 24
Number of Digital Output (max) 8 8 21
Scheme Central Unit Peripheral Unit Peripheral Unit
Protection Elements Ground fault (50/51N)*
Phase overcurrent (50/51P)*
Circuit breaker failure (50BF)
Busbar (87BB)
Check Zones (87CZ)*
Phase segregated differential (87P)*
Sensitive earth fault differential (87P)*
CT supervision / VT supervision (CTS/VTS)
Communication Protocol IEC60870-5-103, DNP3.0, Modbus, K-bus/Courier, IEC61850

Download

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Question

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Address

1106, Woolim Lion's Valley rd Bld, 24, 388Gil, Dunchondaero, Jungwon-Gu, Seongnam-Si, Kyeonggi-Do, Korea (13403)

Phone Number

+82 31 739 9200

Email

mhcha@nexpo.kr

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