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Chapter: Special Electrical Machines - Synchronous Reluctance Motors

Advantages, Disadvantages and Applications of Synchronous Reluctance

There is no concern with demagnetization; hence synchronous reluctance machines are inherently more reliable than PM machines.

ADVANTAGES AND DISADVANTAGES OF SYNCHRONOUS RELUCTANCE

 

MOTOR

 

Advantages

 

v   There is no concern with demagnetization; hence synchronous reluctance machines are inherently more reliable than PM machines.

 

v   There need not be any exciting field as torque is zero, thus eliminating electromagnetic spinning losses.

 

v   Synchronous reluctance machine rotors can be constructed entirely from high strength, low cost materials.

 

Disadvantages

v   High cost than induction Motor.

 

v   Need Speed synchronization to invertor output frequency by using rotor position sensor and sensor less control.

v   Compared to induction motor it is slightly heavier and has low power factor.

 

v   By increasing the saliency ratio Lds/Lqs, the power factor can be improved.

 

 

APPLICATIONS OF SYNCHRONIZATION

v    Metering Pumps.

 

v   Auxiliary time Mechanism.

 

v   Wrapping and folding Machines.

 

v   Proportioning Devices on Pumps or conveyors.

 

v   Synthetic fibre manufacturing equipment.

 

v   Processing continuous sheet or film material.


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Special Electrical Machines - Synchronous Reluctance Motors : Advantages, Disadvantages and Applications of Synchronous Reluctance |


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