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Preparation before the inverter is powered on

a. Check whether the main power connection of the incoming and outgoing lines is correct and reliable. The input is connected to the inverter R S T , and the output of the inverter U V W is connected to the motor.
b. the requirements of the inverter instructions, the connection is firm. Whether the insulation layer is damaged or not. Carefully check the terminal block for looseness, and if there is a hidden fault such as a short circuit. Is the grounding good?
c. Check whether the incoming connection and voltage level of the control loop in the inverter cabinet meet the application requirements of the inverter cabinet. Whether the connection of each connection line is firm, whether the insulation layer is damaged or not, and whether the connection plugs of the respective circuit boards are firmly connected.
d.Clean the internal debris of the inverter cabinet and reconfirm the connection of the main power supply line, control circuit line, grounding line and neutral line. Keep the environment around the inverter clean and dry. Do not place miscellaneous near the inverter. Things. Carefully check formissing screws and wires to prevent short-circuit accidents caused by small metal objects.