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An automatic conversion circuit of an intelligent energy-saving cabinet

An automatic conversion, intelligent section technology, applied in motor generator control, motor generator/starter, starter of a single polyphase induction motor, etc., can solve the problem of manual conversion, waste of time, and the conversion circuit is not ideal. effects and other issues, to achieve the effect of saving time and being easy to use

Active Publication Date: 2016-06-08
黑龙江庆东油田节能设备股份有限公司
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Smart power-saving cabinets are widely used in the electrical industry. To achieve the effect of intelligence and power saving, the smart power-saving cabinets mainly rely on their own conversion circuits. However, the existing conversion circuits often fail to achieve the desired effect in application. Manual conversion is inconvenient and time-consuming

Method used

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  • An automatic conversion circuit of an intelligent energy-saving cabinet

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Embodiment Construction

[0007] See figure 1 , This specific implementation adopts the following technical solutions: it includes input terminal J1, input ammeter and transformer A, input voltmeter V1, power frequency air switch K2, energy-saving air switch K1, input filter 1, power frequency AC contactor K4, braking resistor 3, braking unit 4, DC reactor 5, intelligent power saving device 2, motor thermal protector KT, power saving AC contactor K3, output voltmeter V2, output terminal J2, secondary circuit fuse F1 , Stop button SB2, energy-saving start button SB1, power frequency start button SB4, protection relay K5, degaussing circuit RC, manual / automatic switch button SB3, three-phase power supply connected to one end of input terminal J1, and the other end of input terminal J1 Connect to the input ammeter and transformer A, input voltmeter V1, one end of the power frequency air switch K2, one end of the energy-saving air switch K1, and one end of the secondary circuit fuse F1. The NO end of the in...

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Abstract

The utility model provides an automatic converting circuit of an intelligent power-saving cabinet, and relates to the technical field of intelligent power-saving cabinets. The other end of an input wiring terminal (J1) is connected with an input ampere meter and mutual inductor (A), an input voltmeter (V1), an end of a power frequency air switch (K2), an end of a power-saving air switch (K1), and an end of a secondary circuit fuse (F1). A direct current reactor (5) is connected in series on a DC bus of an intelligent power-saving device (2). A braking unit (4) is connected in parallel with the DC bus of the intelligent power-saving device (2). One end of a normally-open point of a stop button (SB2) is connected with a SP3 end of the intelligent power-saving device (2), and the other end is connected with an SD of the intelligent power-saving device (2) to form reset. Two ends of a normally-open contact of a power-saving AC contactor (K3) are respectively connected with the other end of the SD of the intelligent power-saving device (2) and an RUN end to form automatic start. The circuit can convert automatically, and is convenient to use, saves time, and can achieve ideal use effect.

Description

Technical field [0001] The invention relates to the technical field of intelligent power-saving cabinets, in particular to an automatic conversion circuit of the smart power-saving cabinets. Background technique [0002] Intelligent power-saving cabinets are widely used in the electrical industry. The smart power-saving cabinets mainly rely on their own conversion circuits to achieve the effect of intelligence and power saving. However, the existing conversion circuits often fail to achieve the desired effect during application, and some require Manual conversion is inconvenient to use and waste time. Summary of the invention [0003] The purpose of the present invention is to provide an automatic conversion circuit of an intelligent power saving cabinet, which can automatically convert, is convenient to use, saves time, and can achieve ideal use effects. [0004] In order to solve the problems in the background art, the present invention adopts the following technical solution: it...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02P1/26H02P3/18
Inventor 张晓辉
Owner 黑龙江庆东油田节能设备股份有限公司