Transcription of SEL-751A Guideform Specification - MHz Electronics
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SEL-751A Guideform Specification - MHz Electronics
*PGS751A-01* Schweitzer Engineering Laboratories, Inc. 1 of 2 Date Code 20130117 SEL- 751a Guideform Specification feeder protection shall be provided by a microprocessor-based relay equipped with the following protection , monitoring, control, automation, and reporting functions. Self-checking functions shall be included. Specific requirements are as follows. protection and Control Phase, neutral, residual, and negative-sequence overcurrent elements (50P/50N/50G/50Q) Phase, neutral, residual, and negative-sequence time-overcurrent elements (51P/51N/51G/51Q) Current-based over- and underfrequency (81) Breaker/contactor failure Autoreclosing control (79) Optionally, the relay shall provide the following protection elements.
*PGS751A-01* Schweitzer Engineering Laboratories, Inc. 1 of 2 Date Code 20130117 SEL-751A Guideform Specification Feeder protection shall be provided by a microprocessor-based relay equipped with the following protection, monitoring, control,
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