Electric energy quality comprehensive optimization control system and method for low-voltage power distribution network

A technology of low-voltage distribution network and power quality, applied in the field of power grid

Inactive Publication Date: 2020-01-17
GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD
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  • Claims
  • Application Information

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Problems solved by technology

[0004] Based on this, it is necessary to address the above technical problems and provide a low-voltage distribution network power qualit

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  • Electric energy quality comprehensive optimization control system and method for low-voltage power distribution network
  • Electric energy quality comprehensive optimization control system and method for low-voltage power distribution network

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Embodiment Construction

[0032] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0033] The low-voltage distribution network power quality comprehensive optimization control system provided by this application can solve various power quality problems (such as three-phase imbalance problems, harmonic problems, reactive power problems and low voltage problems) at various locations in the low-voltage distribution network. In one embodiment, the low-voltage power distribution network power quality comprehensive optimization control system includes an optimization control module 100 and a plurality of compensation modules 200 . A plurality of compensation m...

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Abstract

The invention relates to an electric energy quality comprehensive optimization control system and method for a low-voltage power distribution network. The electric energy quality comprehensive optimization control system for the low-voltage power distribution network comprises an optimization control module which comprises a control unit and an effect inspection unit, wherein the control strategies for solving various electric energy qualities is stored in the control unit, the effect inspection unit is used for inspecting the treatment effects of the control strategies, judging whether the treatment effect reaches an expected standard or not and ending the control of the control system if the treatment effect reaches the expected standard, if the treatment effect does not reach the expected standard, the control unit continuously outputs the related control strategies until the treatment effect reaches the expected standard, and the control is ended. A plurality of compensation modules are dispersed at different positions of a same power distribution area, and each compensation module is used for carrying out related compensation on the low-voltage power distribution network according to the control strategy. According to the present invention, various electric energy quality problems at various positions of the low-voltage power distribution network can be solved.

Description

technical field [0001] The present application relates to the field of power grid technology, in particular to a comprehensive optimization control system and method for power quality of a low-voltage distribution network. Background technique [0002] In the low-voltage distribution network, affected by factors such as single-phase power consumption time differences, uneven load distribution, and irregular load growth, three-phase imbalance problems occur from time to time. The three-phase unbalance problem seriously restricts the output of the transformer, causing problems such as increased transformer loss and overload damage. In addition, it causes increased loss of distribution lines and even low voltage problems, which seriously affects the operation safety of the low-voltage distribution network and reduces the operation of the distribution network. Efficiency; In addition, with economic development, more and more nonlinear loads, harmonic and reactive power problems ...

Claims

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Application Information

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IPC IPC(8): H02J3/26H02J3/01H02J3/18H02J3/12H02J13/00
CPCH02J3/01H02J3/12H02J3/1864H02J3/26Y02E40/30Y02E40/40Y02E40/50Y02E40/70Y04S10/50
Inventor 周凯莫文雄许中马智远郭倩雯饶毅栾乐叶石丰熊俊张群峰崔晓飞覃煜曲烽瑞肖天为刘田
Owner GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD
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