Box-type substation with relay protection function
A box-type substation and relay protection technology, which is applied in the field of transformer substations, can solve problems such as unfavorable relay maintenance and inconvenient operation, and achieve the effects of improving simplicity and convenience, increasing use safety, and improving use safety performance
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Embodiment 1
[0040] Such as figure 1 As shown, the present invention provides a box-type substation with relay protection function. The present invention divides the space of the box-type transformer station into a relay maintenance room, and independently installs the relay in the relay maintenance room, so it is convenient Frequent and multiple maintenance of relays avoids searching for maintenance relays in the entire transformer assembly, and improves the simplicity and convenience of relay maintenance work.
[0041] It specifically includes a box body 1 and a box door 2 arranged on the front of the box body 1. A low-pressure chamber 3, a voltage transformation chamber 10 and a high-pressure chamber 11 are sequentially arranged in the box body 1. The low-voltage components are connected to the voltage-transforming components in the voltage-transforming chamber 10 through relays 9 , and the voltage-transforming components in the voltage-transforming chamber 10 are connected to the high-...
Embodiment 2
[0063] Such as Figure 5 As shown, the box-type transformer substation of the present invention will be described in detail below to realize the relay 9 for transformer safety control. An electrical appliance with a step change. It has an interactive relationship between the control system (also known as the input loop) and the controlled system (also known as the output loop). Usually used in automatic control circuits, it is actually an "automatic switch" that uses a small current to control the operation of a large current. Therefore, it plays the role of automatic adjustment, safety protection, and conversion circuit in the circuit.
[0064] The relay 9 includes a protective shell 901 and a hollow bottom plate 902 arranged inside the protective shell 901. An insulating control bridge 903 is hinged on the hollow bottom plate 901. The upper surface of the hollow bottom plate 902 is close to the insulating control bridge 903. A compression spring 904 is provided at the hin...
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