1. overload: the current carrying capacity of the line exceeds its rated capacity. This may be caused by overload or other equipment failure. In this case, you can consider reducing the load or checking whether other equipment is faulty.
2. Short-circuit: Short-circuit fault on the line will increase the current instantly, resulting in tripping of the protection device. In this case, you need to check the specific location of the short circuit and fix the short circuit problem before putting it into operation again.
3. Fault signal error: Sometimes, the protection device may misjudge. This may be caused by the failure, misoperation or incorrect setting of the protection device itself. In this case, you can first check whether the protection device is set correctly and make necessary maintenance or replacement.
No matter what caused the line trip, you should take the following steps to solve the problem:
1. First, ensure your own safety. Before handling any electrical equipment, make sure to cut off the power supply and follow the correct steps.
2. According to the tripping reason, check the lines and equipment. Carefully check the wiring, connection and working state of the equipment, and eliminate any possible faults.
3. If necessary, repair or replace the faulty equipment. Only after the problem is identified and repaired can the generator be put into operation again.
If you are not sure about the cause and treatment steps of line tripping, or lack relevant knowledge, it is strongly recommended that you seek the help of professional electrical engineers. Only professionally trained personnel can operate and maintain electrical equipment safely.