Contents
Does a stator rotate?
As the magnetic field of the stator rotates, due to the effect of the three-phase AC power supply, the induced magnetic field of the rotor is attracted and will follow the rotation. The rotor is connected to the motor shaft, so the shaft rotates and drives the connection load.
What happens when a 3 phase motor loses a phase?
If a three-phase motor is operating and loses one of the phases, the motor will continue to operate at a reduced speed and experience vibrations. The current will also increase considerably in the remaining phases, causing an internal heating of the motor components.
Why would a motor burn out?
If an electric motor operates at too high a voltage, excess current flowing through the windings can cause them to become hot and burn out. While it is normally not practical to repair small, direct current (DC) motors that have burned out, other motors can be repaired by rewinding.
How do you lose a phase of electricity?
Typically, a phase loss is caused by a blown fuse, thermal overload, broken wire, worn contact or mechanical failure. A phase loss that goes undetected can rapidly result in unsafe conditions, equipment failures, and costly downtime.
Where is the stator on an automatic transmission?
In most automatic transmissions, the torque converter is mated to the pump of the transmission in two places: the input shaft and the stator (also called a stator tube or stator support).
How does the stator work in a torque converter?
Located at the very heart of the torque converter, the Stator main function is to redirect the fluid from the turbine back to the pump, thereby enhancing the efficiency of the torque converter. The torque converter assembly is a fluid coupling which transfers engine torque to the automatic transmission gear box.
What to do if your transmission pump stator fails?
Made from chromoly steel, this is a big improvement over the OEM tubes. However, the tube is still pressed into the pump body, which can fail again in some situations. The best solution for a racing car or truck is a completely aftermarket pump like our high volume powerglide pump, which features a bolted-in stator support tube.
What happens when no power is applied to a step motor?
When no power is applied to the windings, a small magnetic force develops between the permanent magnet and the stator. This magnetic force is called the residual, or detent torque. It can be noticed by turning a step motor by hand and is generally about one-tenth of the holding torque.