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Protection and Control

PRC-004-5(i): Protection System Misoperation Identification and Correction

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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PRC-010-2: Undervoltage Load Shedding

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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PRC-023-4: Transmission Relay Loadability

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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PRC-017-1: Remedial Action Scheme Maintenance and Testing

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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PRC-016-1: Remedial Action Scheme Misoperations

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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PRC-015-1: Remedial Action Scheme Data and Documentation

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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PRC-024-2: Generator Frequency and Voltage Protective Relay Settings

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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PRC-019-2: Coordination of Generating Unit or Plant Capabilities, Voltage Regulating Controls, and Protection

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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PRC-002-2: Disturbance Monitoring and Reporting Requirements

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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PRC-005-6: Protection System, Automatic Reclosing, and Sudden Pressure Relaying Maintenance

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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