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Capacitors and Reactors - Instant Video

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Summary

This 58-minute video describes the basic principles involved in operating and maintaining capacitors and reactors. It explains the effects capacitors and reactors have on power factor and explains how and why capacitors and reactors are used. Demonstrates how to inspect and maintain capacitors and reactors.

Training Sessions

Function of Capacitors and Reactors – 9 minutes
Defines the following terms: working power, non-working power, capacitive power, inductive power, power factor, unity power factor. Describes how the relationship between working and non-working power determines the efficiency of the power produced in a T&D system. Explains how capacitor banks and shunt reactors are used to improve power factor.

Clearing Capacitor Banks – 10 minutes
Describes how to safely de-energize, isolate, and test a substation capacitor bank. Describes how to safely ground a substation capacitor bank using portable grounds. Describes how to safely ground a substation capacitor bank that is equipped with switches.

Capacitor Bank Maintenance – 9 minutes
Describes maintenance tasks commonly performed on substation capacitor banks. Identifies common problems to look for when inspecting substation capacitor banks. Describes how to safely remove individual capacitors and capacitor fuses. Describes special precautions required when handling capacitors containing PCBs.

Capacitor Resistor and Insulator Testing – 6 minutes
Describes how to test the integrity of the internal resistor of a substation capacitor. Describes how to test the integrity of the insulators of a substation capacitor.

Capacitor Capacitance Testing – 7 minutes
Describes several methods for checking the capacitance of substation capacitors. Describes how to check the balance of a substation capacitor bank.

Shunt Reactors – 10 minutes
Identifies and describes two basic types of substation shunt reactors. Identifies common problems to look for when visually inspecting a substation oil-insulated shunt reactor and an air-core shunt reactor. Describes how to safely de-energize, isolate, test, and ground a substation shunt reactor. Describes how to test the insulation resistance of a substation shunt reactor.

Series Reactors – 7 minutes
States the function of a substation series reactor and describes how a series reactor operates. Shows how to safely de-energize, isolate, test, and ground a substation series reactor. Identifies common problems to look for when visually inspecting a substation series reactor.

Item Code: CAR-IV
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