How much power does a single-phase motor use with two capacitors?
Typically, two capacitors are used in series or parallel to properly match the required capacitance, then in series, and then in series with the two capacitors. In this way, not only the power is large, but also after the capacitor is added to the circuit, due to the difference in the magnitude and phase of the voltage across the capacitor and the resistor, the capacitor is added in the middle for the same circuit.
When selecting a large-capacity motor, there should be a margin. For abnormal loads, such as ball mills, rolling mills, etc., when the capacity is large, medium-sized low-voltage capacitors can be considered; for places with explosive danger, large-capacity capacitors should be used. For the motor, use medium-sized low-voltage capacitors at this time; for places with explosive hazards, use medium-sized low-voltage capacitors, or even can not be used.
For places with explosive hazards, high-voltage capacitor cabinets, load switches, arresters, high-voltage fuses and other high-voltage fuses should be selected separately to avoid the starting current of the motor. Due to the large power of the explosion-proof motor, in order to prevent the motor starting current from being too large, the fuse fuse should be a fuse with a slightly larger starting current than the reactor.
English
中文简体