Before powering on the variable frequency power supply, it is essential to first check the surrounding temperature and humidity. Excessive heat can trigger overheat alarms in the variable frequency power supply, leading to severe damage to power devices and circuit short-circuits. Excessive humidity can cause direct short-circuits within the variable frequency power supply. Aviation Power Supply
During the operation of variable frequency power supplies, special attention should be paid to the cooling system's functionality, such as ensuring the air ducts are unobstructed and the fans are not producing any unusual noises. Generally, variable frequency power supplies with higher protection ratings, such as those above IP20, can be installed openly. However, those below IP20 are typically cabinet-mounted, so the cabinet's heat dissipation will directly impact the normal operation of the variable frequency power supply. It's crucial to check the exhaust system, including the smooth rotation of fans and the presence of dust or obstructions in the intake, during our daily inspections.
Motor reactors, variable-frequency power supplies, and other equipment may overheat or emit odors; abnormal noises from variable-frequency power supplies and motors; whether the current display on the variable-frequency power supply panel is too high or the current fluctuation is too large; and whether the output UVW three-phase voltage and current are balanced are all items that need to be checked daily. 400HZ power supply
