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Starter circuit

A technology of starter and starting capacitor, applied in the field of starter, can solve problems such as poor motor starting performance, achieve the effect of wide power supply voltage and improve motor starting performance

Pending Publication Date: 2018-08-10
黄石东贝压缩机有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Poor starting performance of the motor in the prior art

Method used

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Experimental program
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Effect test

Embodiment

[0046] see figure 1 , the present embodiment provides a starter circuit, including a winding module 110 and a starter module 120; the winding module 110 includes a main winding 112 and an auxiliary winding 111, one end of the main winding 112 is electrically connected to one end of the auxiliary winding 111, and the main winding 112 The other end of the auxiliary winding 111 is electrically connected to the starter module 120 , and the other end of the secondary winding 111 is electrically connected to the starter module 120 .

[0047] see figure 2 , the main winding 112 includes a first sub-winding ABCD and a second sub-winding 1234 and a first bridge wire; the first sub-winding ABCD and the second sub-winding 1234 both include a plurality of winding coils; the first sub-winding ABCD is connected to the first One end of the bridge line; the second sub-winding 1234 is connected to the other end of the first bridge line; the first switch K1 is arranged on the first bridge lin...

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PUM

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Abstract

The invention provides a starter circuit, and belongs to the technical field of starters. One end of a main winding is electrically connected with one end of a secondary winding, the other end of themain winding is electrically connected with a starter module, and the other end of the secondary winding is electrically connected with the starter module. The main winding comprises a first sub-winding, a second sub-winding and a first bridging line; the first sub-winding and the second sub-winding both comprise a plurality of winding coils. The first sub-winding is connected to one end of the first bridging line; the second sub-winding is connected to the other end of the first bridging line. A first switch is arranged on the first bridging line; when the first switch is turned on, the firstsub-winding and the second sub-winding are connected in series; when the first switch is turned off, the first sub-winding and the second sub-winding are connected in parallel. The use of the startercircuit can increase the starting torque of a motor by 10%-50%, which improves the starting performance of the motor and makes the motor adaptive to a wider supply voltage range.

Description

technical field [0001] The present invention relates to the technical field of starters, in particular to a starter circuit. Background technique [0002] The motor is the heart of the power system. It is a component that integrates rotation and stillness, electromagnetic change and mechanical movement, and realizes the conversion of electrical energy and mechanical energy. have great influence. [0003] The characteristics of the motor are: during steady-state operation, there is a constant relationship between the rotor speed and the grid frequency n=ns=60f / p, where f is the grid frequency, p is the number of pole pairs of the motor, and ns is called the synchronous speed. If the frequency of the power grid is constant, the speed of the synchronous motor is constant at steady state regardless of the size of the load. [0004] The motors in the prior art have poor starting performance. Contents of the invention [0005] The purpose of the present invention is to provid...

Claims

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Application Information

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IPC IPC(8): H02P1/08H02P1/16
CPCH02P1/08H02P1/16
Inventor 杨百昌文耿方成
Owner 黄石东贝压缩机有限公司