智能温度控制器在变压器温度控制的应用
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摘要
国家电力投资公司分宜发电有限责任公司地处江西西部,是国产大型循环流化床示范基地。本着提高大型变压器运行的稳定性和可靠性出发,对本厂330 MW机组的大型变压器温度监控系统进行测量技术改进,使用数字智能型温度控制仪替换机械式触点温控仪,用铠装热电阻感温元件代替热胀冷缩式感温元件,使变压器温度监控系统更加的准确、稳定、可靠,更适合安全生产、长周期生产的需要。
The national electric power investment Co.,Ltd. is located in the western part of Jiangxi province and is a domestic large-scale circulating fluidized bed demonstration base. In order to improve the stability and reliability of large-scale transformer operation, the measurement technology of the large-scale transformer temperature monitoring system of our 330 MW unit was improved, and the mechanical contact temperature controller was replaced with a digital intelligent temperature controller. The resistance temperature sensing element replaces the thermal expansion and contraction type temperature sensing element, which makes the transformer temperature monitoring system more accurate, stable and reliable, and is more suitable for the needs of safe production and long-cycle production.
The national electric power investment Co.,Ltd. is located in the western part of Jiangxi province and is a domestic large-scale circulating fluidized bed demonstration base. In order to improve the stability and reliability of large-scale transformer operation, the measurement technology of the large-scale transformer temperature monitoring system of our 330 MW unit was improved, and the mechanical contact temperature controller was replaced with a digital intelligent temperature controller. The resistance temperature sensing element replaces the thermal expansion and contraction type temperature sensing element, which makes the transformer temperature monitoring system more accurate, stable and reliable, and is more suitable for the needs of safe production and long-cycle production.
引文
[1]刘风英,郭振华,景崇友,等.油浸式变压器绕组热点温度的计算与影响因素的研究[J].变压器, 2014, 51(6):51-54.
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[3]席风沛,郑广轩,宋晓虹,等.变压器温度计常见缺陷及故障处理[J].高电压技术, 2015, 52(9):41-42.
[4]郭志红,陈颖,李俊刚,等.只能变压器状态监测系统设计[J].电器技术, 2013, 14(4):52-56.
[5]严映峰,陈阳,懂小强,等.绕组及油面温度控制器在瀑布沟水电站的应用[J].水电站机电技术, 2010(12):111-113.
[2]安霄军,郭小斌,窝晶磊,等.江西分宜国产1×330 MW循环流化床机组高压厂变风冷控制原理图[M].南昌:出版社不详, 2007.
[3]席风沛,郑广轩,宋晓虹,等.变压器温度计常见缺陷及故障处理[J].高电压技术, 2015, 52(9):41-42.
[4]郭志红,陈颖,李俊刚,等.只能变压器状态监测系统设计[J].电器技术, 2013, 14(4):52-56.
[5]严映峰,陈阳,懂小强,等.绕组及油面温度控制器在瀑布沟水电站的应用[J].水电站机电技术, 2010(12):111-113.