The Function of Relay Protection and Troubleshooting Methods

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I. IntroductionWith the rapid development of power systems and the advancement of computer technology and communication technology, relay protection is further developing rapidly in the direction of computerization, networking, integration of protection, measurement, control, data communication and

Reasons and Solutions for Noise Generated by Switching Power Supplies

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Reasons why switching power supplies produce noise:1. Internal reasons(1) Noise generated during use of switching power supply. During the use of the switching power supply, factors such as current and resistance will instantly change, causing changes in the internal conditions of the switching powe

Substation Capacitor Fault Detection and Analysis

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1. Substation capacitor charged detection method1. Withstand voltage testWithstand voltage testing is one of the main methods to test the ability of electrical appliances, electrical equipment, electrical devices, electrical circuits and electrical safety equipment to withstand overvoltage. It is ma

What Are the Differences Between Different Types of Relays?

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thermal relayThermal relay is a relay that uses the thermal effect generated by the current flowing through the relay to make corresponding actions. The delayed action time of the thermal relay shortens as the passing current increases. It is mainly used for motor protection and control of the heati

Treatment Measures for Transformer On-Load Voltage Regulating Switch Failure

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Transformers are important electrical equipment in power operation and play an important role in the production of industrial and mining enterprises. Transformer on-load voltage regulating switches often malfunction during operation. The troubleshooting methods and measures are very important for th