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Active power transfer type intelligent combined capacitor

A combined and transfer-type technology, applied in the direction of reactive power compensation, reactive power adjustment/elimination/compensation, etc., can solve problems such as unable to adjust three-phase imbalance

Inactive Publication Date: 2013-06-26
南通能达电力科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the current combined capacitor can replace the traditional reactive power compensation device to compensate reactive power, it cannot adjust the three-phase imbalance.

Method used

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  • Active power transfer type intelligent combined capacitor
  • Active power transfer type intelligent combined capacitor
  • Active power transfer type intelligent combined capacitor

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Experimental program
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Embodiment Construction

[0014] The present invention is further described below by embodiment, but protection scope is not limited by these embodiments.

[0015] figure 1 Schematically shows the structure of an active power transfer type intelligent combined capacitor according to an embodiment of the present invention.

[0016] like figure 1 and figure 2 , the active power transfer type intelligent combined capacitor includes a power capacitor module 1 , a composite switch module 2 , a display setting module 6 , a connection terminal 4 and a circuit breaker 3 .

[0017] The composite switch module 2 is electrically connected to the circuit breaker 3 through the connection terminal 4 , and the power capacitor module 1 is electrically connected to the circuit breaker 3 through the connection terminal 4 .

[0018] The compound switch module 2 is electrically connected with the power capacitor module 1 and the display setting module 6 .

[0019] The composite switch module 2 controls switching of t...

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PUM

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Abstract

The invention discloses an active power transfer type intelligent combined capacitor which comprises a power capacitor module, a combination switch, a setting module and a circuit breaker, wherein the combination switch is respectively connected with the setting module, the power capacitor module and the circuit breaker; the circuit breaker is connected with the power capacitor module; the combination switch is used for controlling the switching of the power capacitor module; and the setting module is used for setting the parameters of the power capacitor module. The active power transfer type intelligent combined capacitor has the advantages of compensating the reactive power and adjusting the three-phase imbalance of an external power source.

Description

technical field [0001] The invention relates to an intelligent combined power capacitor module for reactive power compensation, in particular to an active power transfer type intelligent combined capacitor. Background technique [0002] At present, the vast majority of loads in public transformers are single-phase loads. Because the total capacity of each user's equipment, the length of power consumption, and the synchronization of use are different, the power distribution system is in a three-phase unbalanced state, that is, in the distribution system. Corresponding negative sequence current and zero sequence current are generated in the grid. Negative-sequence current and zero-sequence current have a great impact on the system, which will increase the loss of transformers and lines, cause the neutral point of the system to shift, and reduce the service life of electrical equipment and other hazards. At present, most of the low-voltage compensation equipment can only compe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/18
CPCY02E40/30
Inventor 陈建华
Owner 南通能达电力科技有限公司