Transformer neutral point coupling mechanism
A transformer neutral point and connection mechanism technology, applied in anti-seismic equipment, etc., can solve problems such as no buffer, neutral point bushing, and damage to neutral point equipment
Inactive Publication Date: 2012-01-11
MIANYANG POWER SUPPLY COMPANY STATE GRID SICHUANELECTRIC POWER
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Problems solved by technology
[0002] Many substations in the Mianyang area are located in earthquake-prone areas. The original neutral point connection flat iron (a straight flat iron) is directly connected from the neutral point bushing to the neutral point switch. It is long and has a certain weight, and there is almost no room for buffering. When the transformer shakes violently due to the earthquake, it is easy to cause damage to the neutral point bushing and neutral point equipment due to tension
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[0011] figure 1 As shown, the neutral point connection mechanism of the transformer: the flat iron is connected between the neutral point of the transformer and the neutral point equipment, and the flat iron is a flat iron 1 with a "W"-shaped buffer part (it can also be said that the flat iron with wavy bends). Bolt connection holes are arranged on the left and right ends of the flat iron. The neutral point device is a neutral point knife switch.
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The invention provides a transformer neutral point coupling mechanism which belongs to a neutral point leading out and connection structure of a transformer station distribution transformer. The transformer neutral point coupling mechanism comprises a band iron connected between a neutral point of a transformer and a neutral point device, and the band iron has a 'W' shape buffer part. The transformer neutral point coupling mechanism can freely expand when heated and contract when cooled or expand freely at the time of an earthquake to gives a buffer effect, and security of a device is improved.
Description
technical field [0001] The invention relates to a distribution transformer used in a substation, in particular to a neutral point lead-out structure of the distribution transformer. Background technique [0002] Many substations in Mianyang area are located in earthquake-prone areas. The original neutral point connection flat iron (a straight flat iron) is directly connected from the neutral point bushing to the neutral point switch. It is long and has a certain weight, and there is almost no room for buffering. When the transformer shakes violently due to the earthquake, it is easy to cause damage to the neutral point bushing and neutral point equipment due to tension. Contents of the invention [0003] The object of the present invention is to provide a transformer neutral point connection mechanism with buffering effect. [0004] The purpose of the present invention is achieved in this way: a transformer neutral point connection mechanism, including a flat iron connect...
Claims
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IPC IPC(8): H02B1/54
Inventor 刘高华肖勇胡高阳
Owner MIANYANG POWER SUPPLY COMPANY STATE GRID SICHUANELECTRIC POWER