基于RFID無線測溫技術(shù)在變電站的應(yīng)用
發(fā)布時間：2019-03-02 21:06
【摘要】：隨著配網(wǎng)自動化和配電自動化的深入推廣,社會對供電系統(tǒng)可靠性的要求不斷提高,傳統(tǒng)的基于人工檢測和定期檢修模式已經(jīng)不能適應(yīng)時代的發(fā)展需求,全天候的實(shí)時監(jiān)控將會成為智能電網(wǎng)發(fā)展的需求。目前國內(nèi)供電系統(tǒng)在電量的自動監(jiān)測方面已經(jīng)取得很大成果,但是在溫度等非電量監(jiān)測領(lǐng)域還處于起步階段。根據(jù)多年變電站的運(yùn)行經(jīng)驗(yàn)分析,多數(shù)事故引發(fā)的原因都是由于輸變電線路、母排、電纜等設(shè)備的接頭或刀閘在長期的使用過程中因?yàn)榻佑|電阻過大呀絕緣老化而發(fā)熱引起局部溫度過高,甚至燒毀,引發(fā)火災(zāi)和大面積停電,給工業(yè)企業(yè)以及居民生活帶來重大的經(jīng)濟(jì)損失。實(shí)時監(jiān)測系統(tǒng)應(yīng)用情況證明,此系統(tǒng)對實(shí)時發(fā)現(xiàn)供電設(shè)備漏電缺陷、保證供電設(shè)備安全可靠運(yùn)行有很好的效果。經(jīng)過10多年的運(yùn)行,證明對各種供電設(shè)備的實(shí)時監(jiān)測技術(shù)進(jìn)行了試驗(yàn)和研制,特別是對電容型設(shè)備△I.tg δ△C的在線監(jiān)控；避雷器泄漏電監(jiān)控技術(shù)的研制和試驗(yàn),獲得了很大成就；研制了便攜式、集中型和分散型設(shè)備,并及時發(fā)現(xiàn)了一些被測試設(shè)備漏電受潮,并實(shí)時采取措施加以止,阻止了更大停電事故的發(fā)生,確保了供電系統(tǒng)的安全生產(chǎn),取得了巨大的經(jīng)濟(jì)社會效益。一些監(jiān)控項(xiàng)目如tg6的測試和避雷器泄漏電流測量等還提出了全天候監(jiān)測的企業(yè)標(biāo)準(zhǔn)。供電設(shè)備的高溫故障時常發(fā)生,為確保供電設(shè)備的安全運(yùn)行和提高設(shè)備運(yùn)行的安全性,需要對裝置的高溫部位進(jìn)行溫度實(shí)時監(jiān)測,實(shí)現(xiàn)溫度超過限制報(bào)警。據(jù)統(tǒng)計(jì),目前國內(nèi)的大部分地區(qū)均不同程度地出現(xiàn)了變電站電纜頭、隔離開關(guān)、母線、開關(guān)柜等設(shè)備因?yàn)榻佑|不良或絕緣老化而造成溫度超限變化,進(jìn)而引發(fā)火災(zāi)安全事故的情況。本文是在智能變電站和物聯(lián)網(wǎng)技術(shù)以及業(yè)務(wù)需求的大背景下提出基于RFID無線測溫技術(shù)對變電站內(nèi)的變壓器、開關(guān)柜、刀閘等關(guān)鍵設(shè)備的關(guān)鍵節(jié)點(diǎn)進(jìn)行7*24不間斷的實(shí)時在線測溫監(jiān)測系統(tǒng)。當(dāng)設(shè)備的關(guān)鍵發(fā)熱節(jié)點(diǎn)在溫度異常后,能及時的進(jìn)行告警,要求管理人員及時的介入對異常干預(yù),最大限度的保障變電站內(nèi)設(shè)備的運(yùn)行安全,也為無人值守變電站提供了補(bǔ)充。由于變電站停機(jī)維護(hù)周期長,目前約為3年時間,系統(tǒng)描述的傳感器安裝的電力設(shè)備的高壓側(cè)和低壓側(cè)都有。在本系統(tǒng)中,對產(chǎn)品的良品率有較高的要求,必須在生產(chǎn)上進(jìn)行嚴(yán)格控制,傳感器安裝后,需要保證其運(yùn)行3年以上。
[Abstract]:With the in-depth promotion of distribution automation and distribution automation, the reliability requirements of the power supply system are constantly improved, and the traditional mode based on manual inspection and regular maintenance can not meet the development needs of the times. All-weather real-time monitoring will become the demand of smart grid development. At present, the domestic power supply system has made great achievements in the automatic monitoring of electricity, but it is still in its infancy in the non-electric monitoring field such as temperature. According to the analysis of many years' operation experience of substations, most of the accidents are caused by transmission and transformation lines and bus lines. During the long-term use of connectors or gates of equipment such as cables, due to excessive contact resistance and aging insulation, heating causes local temperatures to be too high, and even burns down, causing fires and large-area blackouts. It has brought great economic losses to industrial enterprises and residents' lives. The application of the real-time monitoring system proves that the system has a good effect on finding the leakage defect of the power supply equipment in real-time and ensuring the safe and reliable operation of the power supply equipment. After more than 10 years of operation, it has been proved that the real-time monitoring technology for various power supply equipment has been tested and developed, especially the on-line monitoring of I.tg 未 C for capacitive equipment. The research and test of lightning arrester leakage monitoring technology have made great achievements. Portable, centralized and decentralized equipment has been developed, and some of the tested equipment have been discovered in time for leakage and dampened, and real-time measures have been taken to stop the occurrence of more serious blackouts and to ensure the safe production of the power supply system. Great economic and social benefits have been achieved. Some monitoring projects, such as tg6 testing and lightning arrester leakage current measurement, have also proposed enterprise standards for all-weather monitoring. The high temperature fault of power supply equipment often occurs. In order to ensure the safe operation of power supply equipment and improve the safety of equipment operation, it is necessary to monitor the temperature of the high temperature part of the device in real time to realize the alarm of temperature exceeding the limit. According to statistics, at present, in most parts of the country, substation cable heads, disconnecting switches, bus bars, switchgear and other equipment have changed beyond the limit due to poor contact or aging insulation to varying degrees. Then cause the situation of fire safety accident. In this paper, under the background of intelligent substation and Internet of things technology and business requirements, this paper proposes the transformer and switchgear in substation based on RFID wireless temperature measurement technology. The real-time on-line monitoring system of temperature measurement is carried out at the key nodes of the key equipment such as the switch and so on. When the temperature of the key heating node of the equipment is abnormal, the alarm can be carried out in time, and the managers are required to intervene in time to ensure the safety of the equipment in the substation to the maximum extent. It also provides a supplement for the unattended substation. Due to the long period of substation shutdown and maintenance, there are both high-voltage side and low-voltage side of the sensor installed in the system at present, which is about 3 years. In this system, there is a high requirement for the yield of the product, which must be strictly controlled in production. After the installation of the sensor, it is necessary to ensure the operation of the sensor for more than 3 years.
【學(xué)位授予單位】：吉林大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2016
【分類號】：TP317.1
本文編號：2433478
[Abstract]:With the in-depth promotion of distribution automation and distribution automation, the reliability requirements of the power supply system are constantly improved, and the traditional mode based on manual inspection and regular maintenance can not meet the development needs of the times. All-weather real-time monitoring will become the demand of smart grid development. At present, the domestic power supply system has made great achievements in the automatic monitoring of electricity, but it is still in its infancy in the non-electric monitoring field such as temperature. According to the analysis of many years' operation experience of substations, most of the accidents are caused by transmission and transformation lines and bus lines. During the long-term use of connectors or gates of equipment such as cables, due to excessive contact resistance and aging insulation, heating causes local temperatures to be too high, and even burns down, causing fires and large-area blackouts. It has brought great economic losses to industrial enterprises and residents' lives. The application of the real-time monitoring system proves that the system has a good effect on finding the leakage defect of the power supply equipment in real-time and ensuring the safe and reliable operation of the power supply equipment. After more than 10 years of operation, it has been proved that the real-time monitoring technology for various power supply equipment has been tested and developed, especially the on-line monitoring of I.tg 未 C for capacitive equipment. The research and test of lightning arrester leakage monitoring technology have made great achievements. Portable, centralized and decentralized equipment has been developed, and some of the tested equipment have been discovered in time for leakage and dampened, and real-time measures have been taken to stop the occurrence of more serious blackouts and to ensure the safe production of the power supply system. Great economic and social benefits have been achieved. Some monitoring projects, such as tg6 testing and lightning arrester leakage current measurement, have also proposed enterprise standards for all-weather monitoring. The high temperature fault of power supply equipment often occurs. In order to ensure the safe operation of power supply equipment and improve the safety of equipment operation, it is necessary to monitor the temperature of the high temperature part of the device in real time to realize the alarm of temperature exceeding the limit. According to statistics, at present, in most parts of the country, substation cable heads, disconnecting switches, bus bars, switchgear and other equipment have changed beyond the limit due to poor contact or aging insulation to varying degrees. Then cause the situation of fire safety accident. In this paper, under the background of intelligent substation and Internet of things technology and business requirements, this paper proposes the transformer and switchgear in substation based on RFID wireless temperature measurement technology. The real-time on-line monitoring system of temperature measurement is carried out at the key nodes of the key equipment such as the switch and so on. When the temperature of the key heating node of the equipment is abnormal, the alarm can be carried out in time, and the managers are required to intervene in time to ensure the safety of the equipment in the substation to the maximum extent. It also provides a supplement for the unattended substation. Due to the long period of substation shutdown and maintenance, there are both high-voltage side and low-voltage side of the sensor installed in the system at present, which is about 3 years. In this system, there is a high requirement for the yield of the product, which must be strictly controlled in production. After the installation of the sensor, it is necessary to ensure the operation of the sensor for more than 3 years.
【學(xué)位授予單位】：吉林大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2016
【分類號】：TP317.1
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，本文編號：2433478
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