接地测量 meaning in English
earthmeter
Examples
- At present , the small electric current method is widely used in the grounding measurements of ground grids in foreign countries
目前,国外接地网接地测量广泛采用了小电流测试方法,这种方法测量精度高,但价格昂贵。 - In the present grounding measurements in substations , the large electric current method is used to raise the ratio of signal to noise , but this method does not obviously decrease the measurement error . the test instruments are unwieldy , and it is easy to threaten personal safety
在现有变电站接地网接地测量中,采用大电流测试法来减小测量误差,其消除干扰的效果并不理想,且此方法测量设备笨重,还可能危及人身安全。 - The test instruments based on this method are highly precise , but costly . the author develops a grounding measurement system of substations based on the virtual instruments , which uses labview as the development software and adopts the small electric current method . the fft method is used to process the measurement data , which can decrease the measurement error
本文作者研制了基于虚拟仪器的变电站接地网接地测量系统,该系统以labview为软件开发平台,采用小电流测试法,并利用快速傅立叶变换方法对测试信号进行数字滤波处理,提高了该系统的信噪比。 - In connection with the situation of application of hook type earthing resistance meter in the transmission division of yichang power supply bureau , taking account of the principle and the environmental requirement of measurement , the problems in application were proposed and analyzed as well . according to the different grounding structure of lightning protection for overhead transmission lines , the proper measuring method was suggested
针对宜昌供电局输电分局钩式接地电阻计使用情况,通过运用该表接地测量原理和适用条件,分析并提出使用中存在的问题;对架空送电线路防雷接地构造差异情况,提出正确的测量方法。