CN107726564A - Transformer substation high voltage chamber totally-enclosed runtime and control method - Google Patents
Transformer substation high voltage chamber totally-enclosed runtime and control method Download PDFInfo
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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Abstract
本发明涉及一种变电站高压室全密闭运行系统及控制方法，包括高压室，所述的高压室为全密闭结构，高压室的通风口处安装电动控制开关的电动百叶窗；高压室内安装有环境主动运维系统；所述的环境主动运维系统包括环境监测装置、数据处理模块、环境辅助装置，环境监测装置收集高压室内环境信息传送至数据处理模块，数据处理模块通过控制环境辅助装置调节高压室内环境。本发明通过温度、湿度的智能化控制，优化了运行环境，提高了开关柜设备的电气绝缘强度，降低了因开关柜故障造成母线、变压器损坏的风险，提高了变电站的安全运行水平，安全效益显著。可应用在高压室内，消除小型柜体开关柜绝缘件受潮脏污导致绝缘降低的问题。The invention relates to a fully-sealed operation system and control method for a substation high-voltage room, including a high-voltage room, the high-voltage room is a fully-sealed structure, and an electric shutter with an electric control switch is installed at the vent of the high-voltage room; an environmental active switch is installed in the high-voltage room Operation and maintenance system; the environmental active operation and maintenance system includes an environmental monitoring device, a data processing module, and an environmental auxiliary device. The environmental monitoring device collects environmental information in the high-pressure room and transmits it to the data processing module. environment. The invention optimizes the operating environment through the intelligent control of temperature and humidity, improves the electrical insulation strength of the switchgear equipment, reduces the risk of busbar and transformer damage caused by the failure of the switchgear, improves the safe operation level of the substation, and provides safety benefits significantly. It can be used in high-voltage chambers to eliminate the problem of insulation reduction caused by moisture and dirt in the insulation parts of small cabinet switchgears.
Description
技术领域：Technical field:
本发明涉及一种变电站高压室全密闭运行系统及控制方法。The invention relates to a fully-sealed operation system and a control method for a high-voltage chamber of a substation.
背景技术：Background technique:
近年来，变电站高压室内35kV开关柜普遍采用1.4米宽度的小型柜体，导致柜内导体间最小空气净距无法达到300mm的要求。高压室通常有多个通风口，密闭性差，在大风、大雨时，室外灰尘、湿气容易进入开关柜内，导致绝缘隔板、热缩护套受潮、脏污，造成绝缘强度降低。开关柜内设备的热效应会引发绝缘介质老化分解，导致热缩护套开裂、脱落。在此环境下长期运行易引发高压开关柜设备局放、闪络、绝缘击穿等故障，严重影响电网安全运行。In recent years, the 35kV switchgear in the high-voltage room of the substation generally adopts a small cabinet with a width of 1.4 meters, resulting in the minimum air clearance between conductors in the cabinet failing to meet the requirement of 300mm. The high-voltage room usually has multiple vents, and the airtightness is poor. In the case of strong winds and heavy rains, outdoor dust and moisture can easily enter the switch cabinet, resulting in moisture and dirt on the insulation partitions and heat-shrinkable sheaths, resulting in a decrease in insulation strength. The thermal effect of the equipment in the switchgear will cause the aging and decomposition of the insulating medium, resulting in cracking and falling off of the heat shrinkable sheath. Long-term operation in this environment is likely to cause partial discharge, flashover, insulation breakdown and other failures of high-voltage switchgear equipment, which seriously affects the safe operation of the power grid.
目前高压室湿度控制一是通过增加大功率除湿机降低，但是因为高压室环境非密闭，室外潮气无法隔绝，效果不好；二是通过轴流风机将室内潮气排出，此方法在雨季，室外环境湿度大的情况下无法实现；三是除湿机和风机都是独立运行的，只能人到现场开启和关闭，无法实现自动化环境改善。At present, the humidity control in the high-pressure chamber is to reduce it by adding a high-power dehumidifier, but because the environment in the high-pressure chamber is not airtight, the outdoor moisture cannot be isolated, and the effect is not good; the second is to discharge the indoor moisture through an axial flow fan. It cannot be realized when the humidity is high; the third is that the dehumidifier and the fan operate independently, and can only be turned on and off by people on site, and the automatic environment improvement cannot be realized.
采用自然通风和风机通风的高压室为非密闭环境，导致室外污秽可以进入室内环境，影响设备运行，目前无有效解决办法。The high-pressure chamber with natural ventilation and fan ventilation is a non-airtight environment, causing outdoor pollution to enter the indoor environment and affect the operation of the equipment. Currently, there is no effective solution.
发明内容：Invention content:
本发明要提供一种变电站高压室全密闭运行系统及控制方法，用以克服上述缺陷，有效调节高压室内的综合运营环境，提升设备使用安全性和使用寿命。The present invention provides a fully-sealed operation system and control method for a high-voltage chamber of a substation to overcome the above defects, effectively adjust the comprehensive operating environment in the high-voltage chamber, and improve the safety and service life of equipment.
本发明所提供的变电站高压室全密闭运行系统，包括高压室，其特征是，所述的高压室为全密闭结构，高压室的通风口处安装电动控制开关的电动百叶窗；高压室内安装有环境主动运维系统；所述的环境主动运维系统包括环境监测装置、数据处理模块、环境辅助装置，环境监测装置收集高压室内环境信息传送至数据处理模块，数据处理模块通过控制环境辅助装置调节高压室内环境。The fully-sealed operation system of the high-voltage chamber of the substation provided by the present invention includes a high-voltage chamber, and is characterized in that the high-pressure chamber is a fully-sealed structure, and an electric shutter with an electric control switch is installed at the vent of the high-voltage chamber; an environment is installed in the high-voltage chamber Active operation and maintenance system; the environmental active operation and maintenance system includes an environmental monitoring device, a data processing module, and an environmental auxiliary device. The environmental monitoring device collects high-voltage indoor environmental information and transmits it to the data processing module. The data processing module adjusts the high voltage by controlling the environmental auxiliary device. indoor environment.
所述的环境监测装置包括温湿度传感器、局方检测仪、弧光传感器。The environment monitoring device includes a temperature and humidity sensor, a bureau detector, and an arc sensor.
所述的电动百叶窗处设置有位置检测器，并在电动百叶窗边缘加装密封胶条。The electric shutter is provided with a position detector, and a sealing rubber strip is installed on the edge of the electric shutter.
所述的环境辅助装置包括风机、空调、除湿机，数据处理模块通过控制器对风机、空调、除湿机进行控制。The environmental auxiliary device includes a fan, an air conditioner, and a dehumidifier, and the data processing module controls the fan, the air conditioner, and the dehumidifier through a controller.
变电站高压室全密闭运行系统的控制方法，包括对如下环境条件的调节：The control method of the fully enclosed operation system of the high voltage room of the substation includes the adjustment of the following environmental conditions:
(1)湿度告警联动：收集室内湿度，当室内湿度大于60％时联动空调、除湿机启动除湿，室内湿度小于40％时，联动空调、除湿机关闭；(1) Humidity alarm linkage: collect indoor humidity, when the indoor humidity is greater than 60%, the linkage air conditioner and dehumidifier will start dehumidification, and when the indoor humidity is less than 40%, the linkage air conditioner and dehumidifier will be turned off;
同时收集室内湿度和室外湿度，室内湿度小于室外湿度，联动空调、除湿机启动除湿使室内湿度小于40％，联动空调、除湿机关闭；室内湿度大于室外湿度20％时，联动风机启动、百叶窗开启，室内湿度小于55％时，联动风机、百叶窗关闭，再联动除湿机、空调启动使室内湿度小于40％；Collect indoor humidity and outdoor humidity at the same time. If the indoor humidity is lower than the outdoor humidity, the linked air conditioner and dehumidifier will start dehumidification to make the indoor humidity less than 40%, and the linked air conditioner and dehumidifier will be turned off; , when the indoor humidity is less than 55%, the linkage fans and shutters are closed, and then the dehumidifier and air conditioner are activated to make the indoor humidity less than 40%;
(2)电缆沟湿度告警：收集沟内湿度，当沟内湿度大于75％时联动通风装置、风机启动除湿，沟内湿度小于55％时，联动通风装置、风机关闭；(2) Humidity alarm in the cable trench: collect the humidity in the trench. When the humidity in the trench is greater than 75%, the linkage ventilation device and fan start dehumidification; when the humidity in the trench is less than 55%, the linkage ventilation device and fan are turned off;
同时收集沟内湿度和室外湿度，沟内湿度小于室外湿度，联动空调、除湿机启动除湿使沟内湿度小于55％，联动通风装置、风机关闭；沟内湿度大于室外湿度20％时，联动通风装置、风机开启，沟内湿度小于55％时，联动通风装置、风机关闭；At the same time, the humidity in the ditch and the outdoor humidity are collected. If the humidity in the ditch is lower than the outdoor humidity, the linkage air conditioner and dehumidifier will start dehumidification to make the humidity in the ditch less than 55%, and the linkage ventilation device and fan will be turned off; when the humidity in the ditch is greater than 20% of the outdoor humidity, linkage ventilation The device and fan are turned on, and when the humidity in the ditch is less than 55%, the linkage ventilation device and fan are turned off;
(3)室内温度告警：收集室内温度，当室内温度大于35度时联动空调制冷，室内温度小于26度时，联动空调关闭；(3) Indoor temperature alarm: collect the indoor temperature, when the indoor temperature is greater than 35 degrees, the linkage air conditioner is refrigerated, and when the indoor temperature is lower than 26 degrees, the linkage air conditioner is turned off;
同时收集室内温度和室外温度，室内温度小于室外温度，联动空调工作使室内温度小于26度；室内温度大于室外温度20％时，联动风机、百叶窗开启，室内温度小于26度时，联动风机、百叶窗关闭。Collect indoor temperature and outdoor temperature at the same time. If the indoor temperature is lower than the outdoor temperature, the linkage air conditioner works to make the indoor temperature less than 26 degrees; when the indoor temperature is greater than 20% of the outdoor temperature, the linkage fan and shutters are opened; closure.
本发明的有益效果是：The beneficial effects of the present invention are:
通过温度、湿度的智能化控制，优化了运行环境，提高了开关柜设备的电气绝缘强度，降低了因开关柜故障造成母线、变压器损坏的风险，提高了变电站的安全运行水平，安全效益显著。Through the intelligent control of temperature and humidity, the operating environment is optimized, the electrical insulation strength of the switchgear equipment is improved, the risk of busbar and transformer damage caused by switchgear failure is reduced, and the safe operation level of the substation is improved, with significant safety benefits.
可应用在我国电力行业的变电站的高压室内，消除小型柜体开关柜绝缘件受潮脏污导致绝缘降低的问题。It can be applied in the high-voltage room of substations in my country's electric power industry to eliminate the problem of insulation reduction caused by moisture and dirt in the insulating parts of small cabinet switch cabinets.
附图说明Description of drawings
下面结合附图及实施方式对本发明作进一步详细的说明：Below in conjunction with accompanying drawing and embodiment the present invention is described in further detail:
图1为本发明室内湿度告警联动原理图；Fig. 1 is a schematic diagram of indoor humidity alarm linkage of the present invention;
图2为本发明电缆沟内湿度告警联动原理图；Fig. 2 is a schematic diagram of the humidity alarm linkage in the cable trench of the present invention;
图3为本发明室内温度告警联动原理图。Fig. 3 is a schematic diagram of indoor temperature alarm linkage of the present invention.
具体实施例：Specific examples:
如图1-图3所示变电站高压室全密闭运行系统，包括高压室，其特征是，所述的高压室为全密闭结构，高压室的通风口处安装电动控制开关的电动百叶窗；高压室内安装有环境主动运维系统；所述的环境主动运维系统包括环境监测装置、数据处理模块、环境辅助装置，环境监测装置收集高压室内环境信息传送至数据处理模块，数据处理模块通过控制环境辅助装置调节高压室内环境。As shown in Fig. 1-Fig. 3, the substation high-voltage room fully-sealed operation system includes a high-voltage room, which is characterized in that the high-voltage room is a fully-sealed structure, and an electric shutter with an electric control switch is installed at the vent of the high-voltage room; An environmental active operation and maintenance system is installed; the environmental active operation and maintenance system includes an environmental monitoring device, a data processing module, and an environmental auxiliary device. The environmental monitoring device collects high-voltage indoor environmental information and transmits it to the data processing module. The device regulates the high pressure indoor environment.
所述的环境监测装置包括温湿度传感器、局方检测仪、弧光传感器。The environment monitoring device includes a temperature and humidity sensor, a bureau detector, and an arc sensor.
所述的电动百叶窗处设置有位置检测器，并在电动百叶窗边缘加装密封胶条。The electric shutter is provided with a position detector, and a sealing rubber strip is installed on the edge of the electric shutter.
所述的环境辅助装置包括风机、空调、除湿机，数据处理模块通过控制器对风机、空调、除湿机进行控制。The environmental auxiliary device includes a fan, an air conditioner, and a dehumidifier, and the data processing module controls the fan, the air conditioner, and the dehumidifier through a controller.
变电站高压室全密闭运行系统的控制方法，包括对如下环境条件的调节：The control method of the fully enclosed operation system of the high voltage room of the substation includes the adjustment of the following environmental conditions:
(1)湿度告警联动：收集室内湿度，当室内湿度大于60％时联动空调、除湿机启动除湿，室内湿度小于40％时，联动空调、除湿机关闭；(1) Humidity alarm linkage: collect indoor humidity, when the indoor humidity is greater than 60%, the linkage air conditioner and dehumidifier will start dehumidification, and when the indoor humidity is less than 40%, the linkage air conditioner and dehumidifier will be turned off;
同时收集室内湿度和室外湿度，室内湿度小于室外湿度，联动空调、除湿机启动除湿使室内湿度小于40％，联动空调、除湿机关闭；室内湿度大于室外湿度20％时，联动风机启动、百叶窗开启，室内湿度小于55％时，联动风机、百叶窗关闭，再联动除湿机、空调启动使室内湿度小于40％；Collect indoor humidity and outdoor humidity at the same time. If the indoor humidity is lower than the outdoor humidity, the linked air conditioner and dehumidifier will start dehumidification to make the indoor humidity less than 40%, and the linked air conditioner and dehumidifier will be turned off; , when the indoor humidity is less than 55%, the linkage fans and shutters are closed, and then the dehumidifier and air conditioner are activated to make the indoor humidity less than 40%;
(2)电缆沟湿度告警：收集沟内湿度，当沟内湿度大于75％时联动通风装置、风机启动除湿，沟内湿度小于55％时，联动通风装置、风机关闭；(2) Humidity alarm in the cable trench: collect the humidity in the trench. When the humidity in the trench is greater than 75%, the linkage ventilation device and fan start dehumidification; when the humidity in the trench is less than 55%, the linkage ventilation device and fan are turned off;
同时收集沟内湿度和室外湿度，沟内湿度小于室外湿度，联动空调、除湿机启动除湿使沟内湿度小于55％，联动通风装置、风机关闭；沟内湿度大于室外湿度20％时，联动通风装置、风机开启，沟内湿度小于55％时，联动通风装置、风机关闭；At the same time, the humidity in the ditch and the outdoor humidity are collected. If the humidity in the ditch is lower than the outdoor humidity, the linkage air conditioner and dehumidifier will start dehumidification to make the humidity in the ditch less than 55%, and the linkage ventilation device and fan will be turned off; when the humidity in the ditch is greater than 20% of the outdoor humidity, linkage ventilation The device and fan are turned on, and when the humidity in the ditch is less than 55%, the linkage ventilation device and fan are turned off;
(3)室内温度告警：收集室内温度，当室内温度大于35度时联动空调制冷，室内温度小于26度时，联动空调关闭；(3) Indoor temperature alarm: collect the indoor temperature, when the indoor temperature is greater than 35 degrees, the linkage air conditioner is refrigerated, and when the indoor temperature is lower than 26 degrees, the linkage air conditioner is turned off;
同时收集室内温度和室外温度，室内温度小于室外温度，联动空调工作使室内温度小于26度；室内温度大于室外温度20％时，联动风机、百叶窗开启，室内温度小于26度时，联动风机、百叶窗关闭。Collect indoor temperature and outdoor temperature at the same time. If the indoor temperature is lower than the outdoor temperature, the linkage air conditioner works to make the indoor temperature less than 26 degrees; when the indoor temperature is greater than 20% of the outdoor temperature, the linkage fan and shutters are opened; closure.
高压室门窗和通风口的“密闭”设计方案，实现室内全密闭。在通风口内侧安装远程可控开合电动百叶窗，每个窗叶边缘采用密封胶条，IP防护等级达到5级，实现通风口的密闭。当风机启动时，百叶窗自动开启，形成空气对流。当风机停止时，百叶窗自动关闭，防止雨水、潮气、灰尘进入。在高压室门窗边缘加装密封胶条，并安装位置检测器，实时监测门窗的开关状态，实现门窗的密闭。The "closed" design scheme of the doors, windows and vents of the high-voltage chamber realizes the indoor complete airtightness. Install remote controllable opening and closing electric shutters on the inside of the vents. The edge of each window leaf is sealed with rubber strips, and the IP protection level reaches level 5 to realize the airtightness of the vents. When the fan is activated, the shutters are automatically opened to form air convection. When the fan stops, the shutters are automatically closed to prevent rain, moisture and dust from entering. Install sealing strips on the edges of doors and windows in the high-voltage chamber, and install position detectors to monitor the opening and closing status of doors and windows in real time to realize the sealing of doors and windows.
利用高灵敏度的传感器实时监测柜内温湿度、局放、弧光等数据，并将上述信息实时上传。在高压室内外、电缆沟内安装温湿度传感器，在风机、电动百叶窗、空调与除湿机等环境辅助设施上加装控制器。Use high-sensitivity sensors to monitor the temperature and humidity, partial discharge, arc light and other data in the cabinet in real time, and upload the above information in real time. Install temperature and humidity sensors inside and outside the high-voltage room and in cable trenches, and install controllers on environmental auxiliary facilities such as fans, electric shutters, air conditioners, and dehumidifiers.
运维人员通过监控机，及时接收到告警信息，并对高压室内环境、环境辅助设施和开关柜的运行状态进行可视化监测、控制。The operation and maintenance personnel receive the alarm information in time through the monitoring machine, and perform visual monitoring and control on the operating status of the high-voltage indoor environment, environmental auxiliary facilities and switch cabinets.
通过对温湿度、浸水、风机、空调等的改造，实现了现场各类数据的实时采集和控制，在前置机进行逻辑分析后，智能联动各类环境调节设备工作，保证高压室内环境始终处于正常范围之内，保障了设备安全运行。Through the transformation of temperature and humidity, water immersion, fans, air conditioners, etc., the real-time collection and control of various data on site has been realized. After the logic analysis of the front-end computer, various environmental adjustment equipment are intelligently linked to ensure that the high-voltage indoor environment is always in Within the normal range, the safe operation of the equipment is guaranteed.
上述实施案例仅是为清楚本发明所作的举例，而并非是对本发明实施方式的限定。对属于本发明的精神所引申出的显而易见的变化或变动仍处于本发明的保护范围内。The above-mentioned implementation cases are only examples for clarifying the present invention, and are not intended to limit the implementation of the present invention. Obvious changes or variations derived from the spirit of the present invention are still within the protection scope of the present invention.
Claims (5)
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| CN108388297A (en) * | 2018-05-29 | 2018-08-10 | 贵州电网有限责任公司 | Substation control buildings environmental control system and method based on LoRa technologies |
| CN108414901A (en) * | 2018-03-08 | 2018-08-17 | 云南电网有限责任公司电力科学研究院 | A kind of switchgear electric insulation On-line Fault monitoring device and method |
| CN108710394A (en) * | 2018-05-23 | 2018-10-26 | 国网四川省电力公司乐山供电公司 | A substation environmental control system and method |
| CN109004744A (en) * | 2018-06-22 | 2018-12-14 | 国家电网有限公司 | Distributed transformer substation status monitoring intelligence managing and control system |
| CN115951742A (en) * | 2022-12-30 | 2023-04-11 | 蜂巢能源科技(无锡)有限公司 | Energy storage system temperature and humidity control method and energy storage system |
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| CN119231346A (en) * | 2024-05-30 | 2024-12-31 | 国家电网有限公司 | A green substation cooling and humidity regulating device and method |
| CN119739219A (en) * | 2024-11-09 | 2025-04-01 | 贵州电网有限责任公司 | Intelligent dehumidification alarm method for transformer substation and self-starting system of dehumidifier |
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| CN108414901A (en) * | 2018-03-08 | 2018-08-17 | 云南电网有限责任公司电力科学研究院 | A kind of switchgear electric insulation On-line Fault monitoring device and method |
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| CN119231346A (en) * | 2024-05-30 | 2024-12-31 | 国家电网有限公司 | A green substation cooling and humidity regulating device and method |
| CN119231346B (en) * | 2024-05-30 | 2025-09-26 | 国家电网有限公司 | A green substation cooling and humidity control device and method |
| CN119739219A (en) * | 2024-11-09 | 2025-04-01 | 贵州电网有限责任公司 | Intelligent dehumidification alarm method for transformer substation and self-starting system of dehumidifier |
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