ERCOT·WATCH Search ercot.com  ⌕
NOGRR #139 · Revision Request

NOGRR139  Under/Over-Frequency Relaying Requirements

Approved sponsor ERCOT posted 2014-09-30 ercot.com
ReasonMeets regulatory requirements
Created2014-10-22
Sections Affected
2.62.6.2
Summary
Adds over-frequency relaying requirements and clarifies under-frequency and over-frequency relay set-points so that Generation Resources know what is expected. Over-frequency relay set points criteria was approved by NERC in March 2014 under Standard PRC-024, Generator Frequency and Voltage Protective Relay Settings.
Timeline