摘要
结合500kV双龙变电所接地网接地阻抗现场测试实例,分析了各种影响大型接地网接地阻抗测量准确性的因素,其中测量引线间互感是影响大型接地网接地阻抗测量结果准确性的最主要因素,并提出了提高大型接地网接地阻抗测量准确性的方法和措施。
Some affecting factors of the accurate measurement of grounding impedance were studied and analyzed, combining the example of field measuring grounding impedance of the 500kV Shuanglong Substation grid. The mutual inductance of measuring leads mainly affected the accuracy of measurement results of the large grid grounding impedance. Moreover, the accruacy measurement of method and means were held up.
出处
《水电能源科学》
2005年第5期76-77,85,共3页
Water Resources and Power
关键词
大型接地网
接地阻抗测量
布线方式
large grid grounding network
grid grounding impedance measurement
line disposation method
