Switch equipment with bus bar segmenting function
A switchgear and segmented function technology, which is applied to the setting of switchgear, switchgear, electrical components, etc., can solve the problems of large material consumption and large space occupied by substations, and achieve material saving and floor space, and integration High degree, safe and efficient operation
Active Publication Date: 2016-03-23
ABB (SCHWEIZ) AG
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Problems solved by technology
Obviously, the solution of using section cabinets alone to realize main busbar section consumes a lot of materials and takes up a lot of space in the substation
Method used
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[0036] A detailed description of alternative embodiments of the present invention is given below with reference to the accompanying drawings.
[0037] image 3 Shown is the first preferred embodiment of the switchgear with main bus section function and feeder function according to the present invention. It includes a busbar room 1000 , a circuit breaker room 2000 , a cable room 3000 and a low voltage room 4000 . Among them, the cable room 3000 is placed at the bottom, the busbar room 1000 and the circuit breaker room 2000 are respectively installed on the frame of the cable room 3000, the circuit breaker room 2000 is placed on the busbar room 1000, and the low-voltage room 4000 is placed in the busbar room 1000 and the circuit breaker In the front of the chamber 2000, the various parts are assembled sequentially, which is easy to operate.
[0038] The main feature of this switchgear is that the segmented three-position switch and the feeder three-position switch are integrat...
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The invention provides switch equipment with a bus bar segmenting function. The switch equipment comprises a bus bar chamber, a circuit breaker chamber, a cable chamber and a low-voltage chamber. The bus bar chamber comprises two three-station switches with a common bus end, namely a sectional three-position switch and a feed line three-position switch. A main bus bar segmentation function and a branched feed line function are respectively realized through the sectional three-position switch and the feed line three-position switch. The circuit breaker chamber comprises a circuit breaker, a current transformer, a voltage transformer, a plurality of cable sockets of each pole, a lightning arrester socket and connecting copper bars. The circuit breaker is used for switching on and off the circuit. The current transformer and the voltage transformer are used for measuring and protecting the circuit. The plurality of cable sockets of each pole are used for realizing large-current carrying. The lightning arrester socket is used for insertion with a lightning arrester for realizing a circuit-side overvoltage safety protection function. The switch equipment of the invention has an external dimension which is same with that of an existing traditional feed line cabinet and has higher integration degree. Furthermore the switch equipment has a feed line branching function and a main bus bar segmentation function. Material and space are saved through a high-integration design.
Description
technical field [0001] The invention belongs to the technical field of electric power products, specifically relates to the technical field of gas-insulated switchgear, and in particular relates to a gas-insulated switchgear with a bus section function. Background technique [0002] In existing classic electrified railway substations, there is a demand for busbar segmentation for the main busbar of power supply, which is used to realize busbar segmental power supply to ensure the reliability and safety of power supply. Sometimes in the same section of the main bus, there is also a requirement for bus segmentation, which is used to disconnect the switchgear from the main bus to ensure safety when the switchgear fails or needs to be overhauled for other reasons. In the existing classic substation scheme design, the subsection function of the main bus is usually realized separately with standard subsection cabinets. The section cabinet is placed at the section of two sections ...
Claims
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Inventor 杨长洲许丽明杜北江阙银中
Owner ABB (SCHWEIZ) AG