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Low voltage three-phase electricity saving device

A technology for power saving and low-voltage capacitors, applied in reactive power compensation, reactive power adjustment/elimination/compensation, etc., can solve problems such as high cost, unfavorable popularization and application, and complex structure, so as to suppress high waves, reduce reactive power loss, The effect of reducing consumption

Inactive Publication Date: 2014-01-15
甘书家
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, their complex structure and high cost are not conducive to popularization and application.

Method used

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  • Low voltage three-phase electricity saving device

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Embodiment Construction

[0014] 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.

[0015] see figure 1 , the present invention provides a low-voltage three-phase power saver, including three phase line A, B, C terminals of three-phase electricity and a neutral line N terminal, the three phase line A, B, C terminals A compensation circuit and a discharge circuit are connected between every two terminals, and a working indication circuit is connected between the three phase line A, B, C terminals and the neutral line N terminal. In the low-voltage...

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Abstract

The invention relates to a low voltage three-phase reactive power automatic adjusting compensation device, in particular to a 380 V low voltage three-phase electricity saving device. According to the technical scheme, the low voltage three-phase electricity saving device comprises terminals of a phase line A, a phase line B and a phase line C of three-phase electricity and a terminal of a neutral line N, a compensating circuit and a discharging circuit are connected between every two of the terminals of the phase line A, the phase line B and the phase line C, and work indicating circuits are connected between the terminals of the phase line A, the phase line B and the phase line C and the terminal of the neutral line N respectively. The low voltage three-phase electricity saving device has the advantages of being simple in structure, low in cost and capable of overcoming the shortcoming of the existing technology and products.

Description

technical field [0001] The invention relates to a low-voltage three-phase reactive power automatic adjustment and compensation device, in particular to a 380-volt low-voltage three-phase power saver. Background technique [0002] As we all know, in the AC circuit, too large inductive load or capacitive load will reduce the power factor of the grid, the reactive power will be large, and the loss will be large. Therefore, users of low-voltage three-phase electricity generally require the installation of reactive power compensation devices to reduce reactive power loss and achieve the purpose of saving electricity. At present, most of the electrical appliances on the market are inductive loads, especially civilian ones, such as washing machines, refrigerators, and food grinders. There are also many associated energy-saving devices; such as frequency converters, motor starters, and power factor compensators. It has a positive effect on improving power factor and reducing react...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/18
CPCY02E40/30
Inventor 甘书家
Owner 甘书家