Comprehensive control system and method based on high voltage motor control and reactive power compensation

A high-voltage motor and comprehensive control technology, which is applied in control systems, reactive power compensation, AC motor control, etc., can solve problems such as restrictions on use occasions, and achieve the goals of reducing system costs, improving energy saving effects, improving stability and reactive power compensation range effect

Active Publication Date: 2011-11-23
GUANGZHOU ZHIGUANG ELECTRIC CO LTD +1
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, due to the need for motor feedback e...

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  • Comprehensive control system and method based on high voltage motor control and reactive power compensation
  • Comprehensive control system and method based on high voltage motor control and reactive power compensation
  • Comprehensive control system and method based on high voltage motor control and reactive power compensation

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Embodiment Construction

[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0036] see figure 1 , is the structure diagram of the comprehensive control system based on high-voltage motor control and reactive power compensation of the present invention, figure 2 It is a structural diagram of the main circuit of the power unit of the present invention. As shown in the figure, the system includes:

[0037] Three-phase transformer 1, including the primary winding and multiple independent secondary windings; among them, the primary winding is...

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Abstract

The invention discloses a comprehensive control system based on high voltage motor control and reactive power compensation. The system comprises a three-phase transformer, power units, a voltage transformer, an isolating transformer, a current transformer and a master control unit, wherein each power unit comprises a power unit controller. Correspondingly, the invention also discloses a comprehensive control method based on the high voltage motor control and the reactive power compensation. By the comprehensive control system and the comprehensive control method based on the high voltage motor control and the reactive power compensation, both the high voltage motor control and the reactive power compensation can be performed, thereby greatly bettering energy saving effects, reducing system cost and fulfilling an optimal energy saving aim.

Description

technical field [0001] The invention relates to the technical field of energy-saving control, in particular to an integrated control system and method based on high-voltage motor control and reactive power compensation. Background technique [0002] With the rise of energy prices and the guidance of national energy conservation and emission reduction policies, integrated energy conservation solutions based on power electronics technology have been widely used. Among them, high-voltage inverters and static var generators have been widely recognized in the industry due to their mature structures, rich products, and high energy-saving returns, and have become the main products in the energy-saving field. [0003] Most equipment in the power grid needs to absorb part of the inductive reactive power from the power grid during operation, resulting in an increase in the transmission current of the power grid and a deterioration of the power quality of the power grid on the user sid...

Claims

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Application Information

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IPC IPC(8): H02P27/08H02J3/18
CPCY02E40/30Y02P80/10
Inventor 孙开发许贤昶崔鹏琨荣凡清
Owner GUANGZHOU ZHIGUANG ELECTRIC CO LTD
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