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Stabilized voltage power supply remote power supply compensation system

A technology of power supply compensation and regulated power supply, applied in the direction of AC network voltage adjustment, etc., can solve problems such as power supply output oscillation

Inactive Publication Date: 2019-12-06
JINAN LICHENG POWER SUPPLY CO OF STATE GRID SHANDONG ELECTRIC POWER CO +1
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  • Claims
  • Application Information

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Problems solved by technology

[0004] The invention overcomes the problem that the output voltage of the power supply changes repeatedly near the normal voltage value due to the anti-interference of the power supply system, which causes the output of the power supply to oscillate. The invention provides a remote power supply compensation system for a stabilized power supply

Method used

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  • Stabilized voltage power supply remote power supply compensation system
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  • Stabilized voltage power supply remote power supply compensation system

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Embodiment Construction

[0039] The following description and accompanying drawings fully illustrate the specific embodiments of the present invention, so that those skilled in the art can practice them. The technical solution of the present invention will be further specifically described through the following examples in conjunction with the accompanying drawings.

[0040] refer to figure 1 , provides the circuit diagram of the rectification filter circuit of the present invention;

[0041] The rectification filter circuit is composed of a single-phase bridge rectification circuit and an LC-π filter circuit;

[0042] The single-phase bridge rectifier circuit includes: a power transformer, a rectifier diode VD1, a rectifier diode VD2, a rectifier diode VD3, a rectifier diode VD4 and a load resistor RL; wherein the rectifier diode VD1, rectifier diode VD2, rectifier diode VD3, The rectifier diode VD4 forms a rectifier bridge;

[0043] The transformer transforms the AC voltage of the power grid into ...

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Abstract

The invention discloses a stabilized voltage power supply remote power supply compensation system comprising a rectifier filter circuit which is composed of a single-phase bridge rectifier circuit andan LC-pi fitler cirucit. The single-phase bridge rectifier circuit comprises a power transformer, a rectifier diode VD1, a rectifier diode VD2, a rectifier diode VD3, a rectifier diode VD4 and a loadresistor RL. The rectifier diode VD1, the rectifier diode VD2, the rectifier diode VD3 and the rectifier diode VD4 form a rectifier bridge. The LC-pi filter circuit is composed of an inductor, a capacitor filter and an LC filter. The inductor stops most of the AC components after AC current rectification, and a small part of the current passing through the inductor is filtered by the capacitor filter and the LC filter so as to obtain smoother voltage. The secondary isolation compensation module is adopted to isolate the voltage regulation signal from the stabilized voltage power supply so asto improve the anti-interference performance of the whole power supply system, realize the isolation of analog signals and improve the anti-interference performance of the whole power supply system.

Description

technical field [0001] The invention relates to the technical field of power supply, in particular to a remote power supply compensation system for a stabilized power supply. Background technique [0002] When long-distance power supply, because the load power supply cable is long, the output voltage of the power supply is adjusted to the voltage value required by the load. When the current is transmitted in the cable, two problems are prone to occur: on the one hand, it is easy to cause the resistance on the cable to bring Voltage loss, so that the actual power supply voltage at the load end is reduced, and the power supply voltage cannot meet the power consumption of the load. On the other hand, due to the anti-interference performance of the power supply system, the output voltage of the power supply will change repeatedly near the normal voltage value, resulting in oscillation of the power supply output; [0003] At present, the remote power supply technology on the mark...

Claims

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Application Information

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IPC IPC(8): H02J3/12
CPCH02J3/12
Inventor 张魁庄力行张健魏怀斌王一鸣
Owner JINAN LICHENG POWER SUPPLY CO OF STATE GRID SHANDONG ELECTRIC POWER CO
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