Run capacitor and motor start capacitor, respectively, have what effect?

As is known to all, not like a three-phase motor, single-phase ac motor to power it will turn up, it requires a startup torque to rotate, and the torque of the chronological and determines the steering of the motor, start the way is very much also, the capacitor start is a kind of, customarily call starting capacitance, single-phase motor it is needed to turn up smoothly.

but not only a single-phase motor capacitor, some motor with two capacitors, is this why? Because of some motor it is configured with a startup capacitor and a capacitor operation, how to return a responsibility?

run capacitor: it is to put the alternating current phase shift after each winding access to form an alternating magnetic field, and with the primary winding of the alternating magnetic field to form an approximate circle of elliptic rotating magnetic field. So he can be the same capacity, but its role is different.

whatever the capacitor, at the beginning of the motor starting has a starting role. But when the motor reaches the rated speed 75 [ %) Or so, only by the centrifugal switch automatically disconnect starting capacitance, while with the motor running capacitor continue to work. The motor starting process, it is & other; Column & throughout; In the process. For single-phase and three-phase motor, no phase difference, produce a rotating magnetic field. Capacitance effect, is to make the motor starting winding currents in time and space, running ahead of winding 90 electrical point of view, form the phase difference. Among them, the running capacitor also to play the role of a balance between the deputy winding current. Starting capacitor is the job of the instantaneous short, pressure requirements in more than 250 v, and running capacitor should have been working for a long time, required pressure above 450 v.

start capacitance is to make the individual motor start coil electricity at startup, starts to cut off, and in running capacitor is to make the motor run capacitor compensation, so start capacitance cannot little, and capacitance can need not operation.

when running capacitor is the normal work of the compressor with the launch of the capacitance is compressor startup and running up a piece of the compressor. Press turn up after startup capacitor is disconnected. Run and start capacitance and together but start capacitance has a past, turn up starting capacitance is useless.

in the end, start and run capacitors difference in where? Large capacity, is to start capacitance is generally run capacitor 2 - Five times, and running capacitor capacity is small, the capacity difference is big, easy to difference.

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