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Variable frequency power supply

A frequency conversion power supply, frequency conversion circuit technology, applied in electrical components, AC power input conversion to AC power output, AC power input conversion to DC power output and other directions, can solve the problem of poor anti-interference ability, large output ripple, poor stability, etc. problem, to achieve the effect of stable output, removal of high-order harmonics, and prevention of disordered faults

Active Publication Date: 2016-04-13
JINAN SUN K ELECTRIC POWER EQUIP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing variable frequency power supply has problems such as large output ripple, low efficiency, poor stability, and poor anti-interference ability

Method used

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  • Variable frequency power supply
  • Variable frequency power supply
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Embodiment Construction

[0022] In order to better understand the technical solution of the present invention, the present invention will be further described below in conjunction with the accompanying drawings.

[0023] like figure 1 and Figure 5 As shown, a frequency conversion power supply includes a box body 1 and a frequency conversion circuit located inside the box body, the frequency conversion circuit includes a rectification filter circuit, the rectification filter circuit is connected to the mains through a fuse and a switch S, and the rectification filter circuit is connected to An inverter circuit, the inverter circuit is connected to the transformer filter circuit, and the voltage filter circuit is connected to the inverter circuit through the control circuit.

[0024] like figure 2 As shown, the inverter circuit includes: connecting a semiconductor switch T1 through an input filter circuit, the semiconductor switch T1 is connected in series with a semiconductor switch T2, the semicon...

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Abstract

Provided is a variable frequency power supply. The variable frequency power supply comprises a box body and a variable frequency circuit positioned in the box body, the variable frequency circuit comprises a rectification filtering circuit, the rectification filtering circuit and a switch S are connected with an electric supply via a fuse, the rectification filtering circuit is connected with an inversion circuit, the inversion circuit is connected with a transformation filtering circuit, and the transformation filtering circuit is connected with the inversion circuit via a control circuit. The variable frequency power supply is advantageous in that the output ripple is small, the efficiency is high, the stability is good, and the anti-interference ability is high.

Description

technical field [0001] The invention relates to the field of electric power supply, in particular to a variable frequency power supply. Background technique [0002] Frequency conversion power supply is widely used in the field of power system power supply, its function is to change the power amplitude and AC frequency to meet the needs of power supply equipment. The existing variable frequency power supply has problems such as large output ripple, low efficiency, poor stability, and poor anti-interference ability. Contents of the invention [0003] In order to solve the above technical problems, the present invention proposes a variable frequency power supply, which has the advantages of small output ripple, high efficiency, good stability, and strong anti-interference ability. [0004] In order to achieve the above object, the scheme adopted by the present invention is: [0005] A frequency conversion power supply, comprising a box and a frequency conversion circuit lo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M5/458H02M7/5387H02M1/12
CPCH02M1/12H02M5/458H02M7/5387H02M1/123
Inventor 卢永峰卢永利宋庆建戴镕冰孔得永李强丁兆民
Owner JINAN SUN K ELECTRIC POWER EQUIP CO LTD