Isolation switch for outlet of generator set and neutral point
A technology of isolating switch and generating set, which is applied in the direction of air switch components and power devices inside the switch, etc., which can solve the problems of low reliability of generator maintenance and achieve the effects of ensuring accuracy, improving accuracy, and improving reliability
Pending Publication Date: 2021-07-09
辽宁研通电力设备制造有限公司
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Problems solved by technology
[0004] For this reason, the present invention provides a generator set outlet and neutral point isolating switch to overcome the problem of low generator maintenance reliability caused by the use of copper sheet soft joints in the prior art
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[0044] In order to make the objects and advantages of the present invention, the present invention will be further described below in connection with the embodiments; it is understood that the specific embodiments described herein are merely intended to illustrate the invention.
[0045] A preferred embodiment of the present invention will be described below with reference to the accompanying drawings. Those skilled in the art will appreciate that these embodiments are merely used to illustrate the technical principles of the present invention, and is not to limit the scope of the invention.
[0046] It should be noted that the term "upper", "lower", "left", "left", ",", ",", ",", ",", " The direction or positional relationship is only for ease of description, rather than indicating or implying that the device or element must have a specific orientation, and is not understood to limit the limitations of the present invention.
[0047] In addition, it is also necessary to explain t...
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The invention relates to an isolation switch for an outlet of a generator set and a neutral point, belonging to the technical field of electrical switch equipment. The isolation switch comprises a base, wherein the upper surface of the base is provided with a rotating shaft, the rotating shaft is provided with a linkage plate, the other end of the linkage plate is connected with an operation insulator, the other end of the operation insulator is connected with a knife switch, the rotating shaft is used for driving the knife switch to rise and fall, the operating insulator is used for insulating the knife switch from the rotating shaft, one end of the rotating shaft is provided with an operating crank arm, the operating crank arm is used for driving the rotating shaft to rotate, the other end of the operating crank arm is connected with an electric mechanism, the other end of the rotating shaft is provided with a manual device, the manual device is used for driving the rotating shaft to rotate, and an auxiliary switch is arranged on the base and used for acquiring knife switch opening and closing position signals. According to the isolation switch, reliability during maintenance of a generator is effectively improved.
Description
Technical field [0001] The present invention relates to the technical field of electrical switching equipment, and more particularly to a generator set outlet and neutral separation off. Background technique [0002] The neutral point refers to the common point of the star wiring in the three-phase or multi-phase AC system, and it needs to be grounded or non-grounded by operation. The generator outlet switch is a low-voltage side of the generator stator and the boost transformer, plus a circuit breaker, usually 10 kV or 20 kV rated voltage. [0003] Traditional generator exit and neutral point use copper sheet soft hand with bolt connection, generator maintenance and electrical test, all need to export, neutral discrimination, batch bolts, vertical space Small, the amount of power is large and cumbersome, often broken, leading to the fracture phenomenon of partial copper sheets, resulting in a reduction in soft connection, excessive contact resistance, poor reliability, defect, n...
Claims
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IPC IPC(8): H01H31/02H01H3/22H01H3/26
CPCH01H3/22H01H3/26H01H31/02
Inventor 李春荣刘立军王瑷琳
Owner 辽宁研通电力设备制造有限公司