The input power of motor and shaft power of pump are key measurements in field test of pumping stations.
电动机输入功率和水泵轴功率测试是泵站现场测试的重要内容。
There are a number of display similar to the fault, boot-free show that blocking electrical multimeter to test the power cord input, infinite resistance, has shown a way that the power cord.
有一批显示器的故障相似，开机无显示，用万用表电阻挡测试电源线输入端，阻值为无穷大，说明电源线已呈开路。
Test results show that the designed power supply has good voltage regulation performance, and it has lower output voltage ripple, lower load adjustment rate and lower input voltage adjustment rate.
实验测试结果表明：所设计的电源具有较好优良的稳压性能，以及电压纹波小、负载调整率和电压调整率低的特点。
Test results show that the designed power supply has good voltage regulation performance, and it has lower output voltage ripple, lower load adjustment rate and lower input voltage adjustment rate.
实验测试结果表明：所设计的电源具有较好优良的稳压性能，以及电压纹波小、负载调整率和电压调整率低的特点。
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