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Alternating current voltage-stabilized power source for processing only part of power

An AC regulated power supply and processing part technology, which is applied in the direction of converting AC power input into AC power output, output power conversion device, and DC power input into DC power output, etc., can solve the problems of high cost and large power supply. , to achieve the effect of reducing equipment cost, reducing equipment volume and simple installation

Inactive Publication Date: 2019-05-03
ZHEJIANG ACAD OF SCI & TECH FOR INSPECTION & QUARANTINE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing AC stabilized power supply is a full-power converter, and there is still a shortcoming, that is, the power capacity of the power supply must be greater than that of all electrical equipment
If the power of the electrical equipment is large, the volume of the power supply is large and the cost is high

Method used

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  • Alternating current voltage-stabilized power source for processing only part of power
  • Alternating current voltage-stabilized power source for processing only part of power
  • Alternating current voltage-stabilized power source for processing only part of power

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Embodiment Construction

[0026] The specific embodiments of the present invention will be further specifically described below through specific embodiments in conjunction with the accompanying drawings.

[0027] An AC regulated power supply that handles only part of the power (see attached Figures 2 to 4 ), used to handle the power flow caused by the difference between the output voltage and the input voltage, including

[0028] Power electronic conversion circuit 4, used to process differential power;

[0029] The control circuit is used to collect the amplitude and phase of the input voltage, and construct a control signal according to the voltage setting value provided by the human-computer interaction module;

[0030] Human-computer interaction module 1, used for users to set the required voltage;

[0031] The control terminal of the power electronic conversion circuit is connected to the control circuit, and the control circuit is connected to the human-computer interaction module.

[0032] T...

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Abstract

The invention relates to an alternating current voltage-stabilized power source for processing only part of power, which solves deficiencies in the prior art, and is used for processing power flow caused by a difference value between output voltage and input voltage. The alternating current voltage-stabilized power source includes a power electronic transformation circuit used for processing the power of the difference value, a control circuit used for collecting amplitude and phase of the input voltage and constructing a control signal according to a voltage setting value provided by a human-machine interaction module, and the human-machine interaction module used for a user to set required voltage, wherein a control end of the power electronic transformation circuit is connected with thecontrol circuit, and the control circuit is connected with the human-machine interaction module.

Description

technical field [0001] The invention belongs to the technical field of power electronics, and in particular relates to an AC stabilized power supply that only handles part of the power. Background technique [0002] With the rapid development of science and technology, various types of electrical equipment are increasing day by day. However, due to the inherent characteristics of power transmission and distribution facilities, the actual voltage obtained by users often deviates from the nominal voltage of the grid. This problem poses a threat to electrical equipment, especially precision equipment with strict voltage requirements. For this reason, in many voltage-sensitive applications such as national defense, scientific research, testing and other institutions, regulated power supplies are used for power supply. AC regulated power supply belongs to the category of regulated power supply, and its output power supply is in the form of alternating current. When the grid vo...

Claims

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Application Information

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IPC IPC(8): H02M5/458H02M3/335
Inventor 蔡永华杜进汪洋
Owner ZHEJIANG ACAD OF SCI & TECH FOR INSPECTION & QUARANTINE
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