Slip Ring Wound Rotor Motor

The slip ring brushes made of graphite are connected to a resistive device such as a rheostat.

Slip ring wound rotor motor.

The rotor is wound for the same number of poles as that of the stator. This type of rotor is provided with a 3 phase double layer distributed winding consisting of coils used in alternators. Slip ring or wound rotor three phase induction motor in this type of three phase induction motor the rotor is wound for the same number of poles as that of the stator but it has less number of slots and has fewer turns per phase of a heavier conductor. In contrast a traditional induction motor aka squirrel cage motor has windings that are permanently short circuited by an end ring.

Mon sep 21 2020 16 04 34. Each slip ring is connected to one of the three phases of rotor windings. Definition of slip ring motor. Their sole purpose is to allow resistance to be placed in series with the rotor windings while starting figure below.

A wound rotor motor also known as slip ring rotor motor is a type of induction motor where the rotor windings are connected through slip rings to external resistance. Adjusting the resistance allows control of the speed torque characteristic of the motor. However no power is applied to the slip rings. Wound rotor motors can be started with low inrush current by inserting high resistance into the rotor circuit.

It consists laminated cylindrical core which has a semi closed slot at the outer periphery and carries three phase insulated winding. Motors a c slip ring 60 cycle wound rotor motors a c slip ring 60 cycle wound rotor there are 258 listings in this category update. As the slip rings turn with the. The motor which employing the wound rotor is known as a slip ring induction motor or phase wound motor.

The stator of a wound rotor motor is the same as a typical induction motor but the rotor has a three phase winding with each of the winding terminals connected to separate slip rings. A wound rotor motor uses three slip rings typically made of copper or a copper alloy mounted to but insulated from the motor shaft. As the motor accelerates. Because of various advantages like low initial current high starting torque and improved power factor it is used in applications that require high torque cranes and elevators.

The slip ring induction motors usually have a phase wound rotor. Used sort by date added. A wound rotor induction motor has a stator like a squirrel cage induction motor but a rotor with insulated windings brought out via slip rings and brushes.