Programming Settings - Siemens siprotec 7SJ63 Instruction Manual

Multi-functional protective relay with local control

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6.11.2 Programming Settings

7SJ63 Manual

C53000-G1140-C120-1

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Logic Diagram for Undervoltage Protection

Voltage protection is only in effect and accessible if address is set to

(QDEOHG during configuration of protective functions. If the voltage protection function

is not needed, address should be set to 'LVDEOHG.

All setting values are based on phase-to-phase voltages. The setting ranges depend

on the type of voltage transformer connection utilized (specified at address ). For

voltage transformers connected in a grounded-wye configuration, higher setting val-

ues may be used because the voltage inputs are subjected only to phase-to-ground

voltage levels.

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