How to solve the problem drive repair set voltage imbalance? Sometimes small voltage unbalance can cause very serious current imbalance Hi-tech touch screen repair, and even phase. Consequences: damaged bridge rectifier, electrolytic capacitor damage (increased by the pulsating current) Action: If a phase current exceeds the rated output current of the inverter, must be installed on the reactor current imbalance occurs at light load, without damaging the machine. Inverter maintenance test dynamic test result is normal after the static test, dynamic test can be conducted, that power test machine. Before and after the power must note the following: 1, before power touch screen repair, be sure the input voltage is wrong, the bomb will appear in the 220V to 380V power inverter stage into (fried capacitors, varistors, modules etc.); 2, check each drive is correctly connected to the socket, the connection is loose, the connection may sometimes cause abnormal drive failure, and in severe cases the bombing and so on; 3, after the power failure detection display and the preliminary determination and the reasons for failure; 4, if no display failure HMI touch screen repair, first check whether there is an exception, and the arguments after the reversion, in the no-load (no connection motor) situation to start converter touch screen repair, and Test U, V, W phase output voltage. In case of phase loss, phase imbalance, the module or driver board are malfunctioning; 5, when the output voltage is normal (no phase, three phase), the load test, try a full load test. Wei Lun touch screen repair, heavy electrical (certified), touch screen repair on the people by the Shenyang Electric Limited. Shenyang on China Electric Co., Ltd. (www.zsmsy.com) is Shenyang, the other leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. On Shen Electrical leadership with the staff warmly welcome all inquiries negotiations to create a better future for electric Shen.