PRC-004-3 — Protection System Misoperation Identification and ...
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Standard PRC-004-5 — Protection System Misoperation Identification and Correction A. Introduction 1. Title: Protection System Misoperation Identification and Correction 2. Number: PRC-004-5 3. Purpose: Identify and correct the causes of Misoperations of Protection Systems for Bulk Electric System (BES) Elements. 4. Applicability: 4.1. Functional Entities: 4.1.1 Transmission Owner 4.1.2 Generator Owner 4.1.3 Distribution Provider 4.2. Facilities: 4.2.1 Protection Systems for BES Elements, with the following exclusions: 4.2.1.1 Non-protective functions that are embedded within a Protection System. 4.2.1.2 Protective functions intended to operate as a control function during switching. 1 4.2.1.3 Special Protection Systems (SPS). 4.2.1.4 Remedial Action Schemes (RAS). 4.2.1.5 Protection Systems of individual dispersed power producing resources identified under Inclusion I4 of the BES definition where the Misoperations affected an aggregate nameplate rating of less than or equal to 75 MVA of BES Facilities. 4.2.2 Underfrequency load shedding (UFLS) that is intended to trip one or more BES Elements. 4.2.3 Undervoltage load shedding (UVLS) that is intended to trip one or more BES Elements. 5. Effective Date: See Project 2008-02.2 Implementation Plan. 1 For additional information and examples, see the “Non-Protective Functions” and “Control Functions” sections in the Application Guidelines. Page 1 of 37
