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Wind power plant condensation control system

A technology for control systems and wind farms, applied in control/regulation systems, non-electric variable control, and simultaneous control of multiple variables, etc. It can solve the problem of mechanisms that cannot operate in place, the hazards of stable operation of the secondary system of substations, and AC and DC short-circuit grounding, etc. problem, to achieve the effect of good temperature and humidity control curve, significant energy saving effect and stable control performance

Pending Publication Date: 2022-03-04
HUANENG NEW ENERGY CO LTD SHANXI BRANCH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The dew formed on the secondary terminal block in the terminal box mechanism box will corrode the metal conductive parts on the terminal block. If the corrosion is heavy or mixed with other impurities such as dust, it will easily cause AC and DC short circuit grounding, and DC grounding will affect the secondary system of the substation. The stable operation caused great harm. The actual operation experience shows that the DC grounding is mostly caused by water attached to the live parts, and what is more serious is that the dew even causes the short circuit between the two secondary lines on the terminal block. , if it happens to be the switch trip circuit, it will immediately cause the switch to malfunction and cause a power failure
[0003] The dew formed on the switch or knife switch operating mechanism will corrode the metal parts in the mechanism, affect the service life of the mechanism, and even cause the mechanism to jam due to corrosion, which will cause the mechanism to fail to operate in place when the switch or knife switch is opened and closed. Slow opening and closing of the moving and static contacts of the switch will cause a huge electrical accident, especially when the switch has not been operated for a long time, the corrosion phenomenon will be more serious

Method used

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Experimental program
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Effect test

Embodiment 1

[0020] A condensation control system for a wind farm, which consists of a single-chip microcomputer, an ambient temperature sensor, an ambient humidity sensor, a cabinet temperature sensor, a cabinet humidity sensor, a fan, and a heater. The single-chip microcomputer is respectively connected to the ambient temperature sensor, The ambient humidity sensor, the temperature sensor in the cabinet, the humidity sensor in the cabinet, the fan and the heater are electrically connected;

[0021] The single-chip microcomputer is also electrically connected with the communication instruction and the control circuit.

Embodiment 2

[0023] According to the wind farm condensation control system described in Embodiment 1, the temperature sensor in the cabinet is installed on the left side of the lower part of the cabinet, the humidity sensor in the cabinet is installed on the right side of the upper part in the cabinet, and the ambient temperature sensor Installed on the right side of the lower part outside the cabinet, the ambient temperature and humidity sensor is installed on the left side of the upper part outside the cabinet, the heater is installed on the bottom of the cabinet, and the fan is installed on the top of the cabinet.

Embodiment 3

[0025] According to the wind farm condensation control system described in Embodiment 1 or 2, the single-chip microcomputer is a low-power, high-performance CMOS 8-bit microcontroller.

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PUM

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Abstract

The invention discloses a wind power plant condensation control system. Dew formed on a switch or disconnecting link operating mechanism corrodes metal parts in the mechanism, the service life of the mechanism is affected, and even the mechanism is jammed due to corrosion. The system comprises a single-chip microcomputer, an environment temperature sensor, an environment humidity sensor, an in-cabinet temperature sensor, an in-cabinet humidity sensor, a fan and a heater. The single-chip microcomputer is electrically connected with the environment temperature sensor, the environment humidity sensor, the in-cabinet temperature sensor, the in-cabinet humidity sensor, the fan and the heater. And the single chip microcomputer is also electrically connected with the communication indicator and the control circuit. The method is used for wind power plant condensation control.

Description

technical field [0001] The invention relates to a condensation control system of a wind farm. Background technique [0002] The dew formed on the secondary terminal block in the terminal box mechanism box will corrode the metal conductive parts on the terminal block. If the corrosion is heavy or mixed with other impurities such as dust, it will easily cause AC and DC short circuit grounding, and DC grounding will affect the secondary system of the substation. The stable operation caused great harm. The actual operation experience shows that the DC grounding is mostly caused by water attached to the live parts, and what is more serious is that the dew even causes the short circuit between the two secondary lines on the terminal block. , if it happens to be the switch tripping circuit, it will immediately cause the switch to malfunction and cause a power outage. [0003] The dew formed on the switch or knife switch operating mechanism will corrode the metal parts in the mecha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D27/02
CPCG05D27/02
Inventor 郝俊伟米磊董显奕王旭鹏
Owner HUANENG NEW ENERGY CO LTD SHANXI BRANCH