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Adjustable single-phase AC voltage regulator

A single-phase AC and voltage stabilizer technology, which is applied in the direction of instruments, electric variable adjustment, control/regulation systems, etc., can solve problems such as complex structure, voltage regulation hysteresis, and low voltage regulation accuracy

Active Publication Date: 2016-11-23
丁婕
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The structure of this kind of AC voltage stabilizer is relatively complicated, the voltage regulation has a certain hysteresis, and the accuracy of voltage regulation is low.

Method used

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  • Adjustable single-phase AC voltage regulator

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Embodiment Construction

[0007] The specific embodiment of the present invention will now be described in conjunction with the accompanying drawings.

[0008] Inductance-adjusting single-phase AC voltage stabilizer, including autotransformer B, inductance coil L and voltage stabilization control circuit, the primary coil of the inductance coil is connected in series with the primary side circuit of the autotransformer, and the tap of the main coil of the autotransformer is connected to The part between the lower end of the main coil is the primary side of the autotransformer, one end of the primary coil of the inductance coil and the lower end of the main coil are connected to the mains ui; the voltage on the secondary side of the autotransformer is the output voltage uo, and the tap of the main coil is connected to the main The part between the upper ends of the coil is the secondary side of the autotransformer.

[0009] The voltage stabilization control circuit includes a first rectifier QL1 and a s...

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Abstract

The invention provides an inductance adjusting type single-phase alternating current voltage stabilizer. The inductance adjusting type single-phase alternating current voltage stabilizer comprises an auto-transformer B, an inductance coil L and a voltage stabilizing control circuit. A primary coil of the inductance coil is connected into a primary side loop of the autotransformer in series, voltage across the secondary side of the auto-transformer is output voltage, a secondary coil of the inductance coil is connected with the voltage stabilizing control circuit, equivalent impedance of the inductance coil is adjusted through comparison of reference voltage and the output voltage, and voltage stabilizing is achieved. The circuit structure of the inductance adjusting type single-phase alternating current voltage stabilizer is simple, the voltage stabilizing accuracy of the voltage stabilizer is + / -2% of the output voltage, the voltage stabilizing process is free of lag, the voltage adjusting range is between 130 V and 380 V, stepless voltage adjustment can be achieved, and the adopted auto-transformer is free of an electric brush.

Description

technical field [0001] The invention relates to an AC voltage stabilizer, which includes an autotransformer, an inductance coil is connected in series in the primary circuit of the autotransformer, the secondary side of the autotransformer outputs an AC voltage, and the output AC voltage is realized by changing the inductance of the inductance coil voltage regulation and stabilization. Background technique [0002] The structure of a commonly used single-phase AC voltage stabilizer includes an autotransformer, a stepping motor, and the secondary output AC voltage of the autotransformer. By comparing the output voltage of the secondary side with the set voltage, the stepper is driven according to the comparison result. The motor rotates the brush to adjust the voltage output by the secondary side to achieve voltage stabilization. The structure of this kind of AC voltage stabilizer is relatively complicated, the voltage regulation has a certain hysteresis, and the precision o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05F1/13
CPCG05F1/13
Inventor 丁婕
Owner 丁婕
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