二次回路原理试验方法（The principle test method of secondary circuit）.docVIP

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二次回路原理试验方法（The principle test method of secondary circuit）.doc

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二次回路原理试验方法（The principle test method of secondary circuit）

二次回路原理试验方法（The principle test method of secondary circuit） This article is contributed by zy200911 The PPT document may not have a good browsing experience at the WAP end. It is recommended that you choose TXT, or download the source file to the native view. 2009 county bureau relay protection training for relay protection The second circuit principle test method: The outline 1, substation electrical basic concept of secondary loop 2, newly installed secondary loop test 3, current transformer (CT) secondary loop and validity inspection current transformer (CT) 4, voltage transformer (PT) of secondary loop and validity test voltage transformer (PT) 5, circuit breaker, disconnecting switch of secondary loop and validity inspection circuit breaker, 6, secondary loop counter measures requirements and caused by the secondary circuit wiring error accident, for example, in July and the safety of the secondary loop work note 8, write the main points of the test report 1. Basic concept of electrical secondary circuit of substation, 1.1 the definition of secondary loop 1.1 the definition of secondary loop Composed of secondary equipment connected to each other, a device for monitoring, control, by the secondary equipment connected to each other, constitute a device for monitoring section, control, regulation and protection of the electric circuit is called the secondary loop. The electrical circuit of section and protection is called secondary circuit. 1.2 the secondary loop of 1.2 the composition of the secondary loop Work refers to a device for monitoring, control, measuring, regulation and protection, refers to a device for monitoring, control, measuring, and protection, the configured, such as: measuring instrument, relay, control and signal components, the configuration, such as: measuring instrument, relay, control and signal components, automatic loading relay protection devices, such as current, voltage transformer, buy, relay protection device, current, voltage trans