Intelligent high-voltage AC energy management and control device
A control device and energy management technology, which is applied in the direction of circuit devices, switch devices, switch device settings, etc., can solve problems such as protection failure, short service life, and unstable power supply at the end, so as to increase the speed of opening, The effect of long service life and exquisite combination
Active Publication Date: 2015-12-23
四川奇通电气成套设备有限公司
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Problems solved by technology
[0002] In the prior art, vacuum circuit breakers are usually used to realize the distribution and protection of power supply in the distribution network, but due to the problems of the existing design, it is not suitable for frequent operations that often occur at the end of the power grid or in some small and medium power distribution systems In some cases, it is prone to faults and protection failures, resulting in short service life and unstable power distribution at the end, which urgently needs to be improved.
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[0022] Such as Figure 1 to Figure 4 As shown, the intelligent high-voltage alternating current energy management control device includes a vacuum circuit breaker 1, a three-phase combined voltage transformer 2, a current transformer 3 and a zero-sequence current transformer 4 connected to the vacuum circuit breaker, and a vacuum circuit breaker. A control device to which circuit breakers, three-phase combined voltage transformers, current transformers and zero-sequence current transformers are all connected.
[0023] Specifically, the vacuum circuit breaker includes a mechanism box 10 as a base, an operating mechanism 11 fixed in the mechanism box, a linkage shaft 13 connected to it through a mechanism output crank arm 12 arranged on the operating mechanism, and the linkage shaft The support mechanism 20 that is connected in linkage and goes out of the mechanism box and whose upper and lower ends are insulated from each other, the vacuum interrupter 14 connected to the upper ...
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The invention discloses an intelligent high-voltage AC energy management and control device comprising a vacuum circuit breaker, and a three-phase combined voltage transformer, a current transformer and a zero sequence current transformer which are respectively connected with the vacuum circuit breaker. The vacuum circuit breaker comprises a mechanism case which acts as a base, an operation mechanism which is fixed in the mechanism case, a linkage shaft which is connected with the operation mechanism via a mechanism output crank arm arranged on the operation mechanism, a supporting mechanism which is connected with the linkage shaft in a linkage way, a vacuum arc-extinguishing chamber which is connected at the upper end of the supporting mechanism, an external insulating cover which wraps outside the vacuum arc-extinguishing chamber, and a kneeing buffer and position limiting device which is connected with the linkage shaft. The functionalized unit module design is adopted, the current and voltage transformers are installed on the vacuum circuit breaker, and a control device is installed on an electric wire bar so that circuit influence on the control device can be avoided. Besides, closing reliability of operation of the circuit breaker can be greatly enhanced by utilizing the kneeing buffer and position limiting device so that switching speed of the circuit breaker is enhanced and energy consumption is reduced.
Description
technical field technical field [0001] The invention relates to the technical field of electric power equipment, in particular to an intelligent high-voltage alternating current energy management control device. Background technique [0002] In the prior art, vacuum circuit breakers are usually used to realize the distribution and protection of power supply in the distribution network, but due to the problems of the existing design, they are not suitable for frequent operations that often occur at the end of the power grid or in some small and medium power distribution systems In some cases, faults and protection failures are prone to occur, resulting in short service life and unstable power distribution at the end, which urgently needs to be improved. Contents of the invention [0003] In order to overcome the above-mentioned problems in the prior art, the present invention provides an intelligent high-voltage alternating current energy management control device mainly ...
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Inventor 王德华周世坤蔡勇李金黄勇
Owner 四川奇通电气成套设备有限公司