Purpose
Identify and correct the causes of Misoperations of Protection Systems for Bulk Electric System (BES) Elements.
Applicability
Functional Entities:
4.1 Functional Entities:
4.1.1 Transmission Owner
4.1.2 Generator Owner
4.1.3 Distribution Provider
4.2.
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Purpose
To establish an integrated and coordinated approach to the design, evaluation, and reliable operation of Undervoltage Load Shedding Programs (UVLS Programs).
Applicability
4.1. Functional Entities
4.1.1 Planning Coordinator.
4.1.2 Transmission Planner.
4.1.3 Undervoltage load shedding (UVLS) entities – Distribution Providers and Transmission Owners responsible for the ownership,
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Purpose
Protective relay settings shall not limit transmission loadability; not interfere with system operators’ ability to take remedial action to protect system reliability and; be set to reliably detect all fault conditions and protect the electrical network from these faults.
Applicability
4.1. Functional Entity:
4.1.1 Transmission Owner with load-responsive phase protection systems as described in PRC-023-4 –
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Purpose
To ensure that all Remedial Action Schemes (RAS) are properly designed, meet performance requirements, and are coordinated with other protection systems. To ensure that maintenance and testing programs are developed and misoperations are analyzed and corrected.
Applicability
4.1. Transmission Owner that owns a RAS
4.2.
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Purpose
To ensure that all Remedial Action Schemes (RAS) are properly designed, meet performance requirements, and are coordinated with other protection systems. To ensure that maintenance and testing programs are developed and misoperations are analyzed and corrected.
Applicability
4.1. Transmission Owner that owns a RAS
4.2.
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Purpose
To ensure that all Remedial Action Schemes (RAS) are properly designed, meet performance requirements, and are coordinated with other protection systems. To ensure that maintenance and testing programs are developed and misoperations are analyzed and corrected.
Applicability
4.1. Transmission Owner that owns a RAS
4.2.
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Purpose
Ensure Generator Owners set their generator protective relays such that generating units remain connected during defined frequency and voltage excursions.
Applicability
4.1 Generator Owner
Effective Date
See the Implementation Plan for PRC-024-2.
Requirements
R1.
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Purpose
To verify coordination of generating unit Facility or synchronous condenser voltage regulating controls, limit functions, equipment capabilities and Protection System settings.
Applicability
4.1. Functional Entities
4.1.1 Generator Owner
4.1.2 Transmission Owner that owns synchronous condenser(s)
4.2.
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Purpose
To have adequate data available to facilitate analysis of Bulk Electric System (BES) Disturbances.
Applicability
Functional Entities:
4.1 The Responsible Entity is:
4.1.1 Eastern Interconnection – Planning Coordinator
4.1.2 ERCOT Interconnection – Planning Coordinator or Reliability Coordinator
4.1.3 Western Interconnection – Reliability Coordinator
4.1.4 Quebec Interconnection – Planning Coordinator or Reliability Coordinator
4.2 Transmission Owner
4.3 Generator Owner
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Purpose
To document and implement programs for the maintenance of all Protection Systems, Automatic Reclosing, and Sudden Pressure Relaying affecting the reliability of the Bulk Electric System (BES) so that they are kept in working order.
Applicability
4.1. Functional Entities
4.1.1 Transmission Owner
4.1.2 Generator Owner
4.1.3 Distribution Provider
4.2.
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