摘要
研究采用变频法测试电力线路工频参数的抗干扰效果和可行性。分析了工频法测试电力线路工频参数的基本原理和现场干扰的影响,比较了采用工频法和变频法测量时现场干扰的影响程度和测试结果。测试结果比较表明,变频法测试有着较强的抗干扰性能,测试结果准确可靠,具有很高的现场应用价值。
The anti-interference performance and feasibility of 50Hz parameters＇ measurement in electric line with frequency transferring method is researched. This paper analyzes the basic principle and influence of onsite interference of 50Hz parameter＇s measurement with power-frequency method, compares the influence degree and test result of power-frequency measurement and frequency transferring measurement. The test result shows that the frequency transferring measurement has strong function of anti-interference and great applica- tion value on site for exact and reliable performance.
出处
《供用电》
2008年第5期44-47,共4页
Distribution & Utilization
关键词
线路工频参数
测量
干扰
分析
power-frequency parameter of line
measurement
interference
analysis
