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Showing 1-9 of 13 results
Synchronous 2Bmotor 2Bstarting 2Bmethods

Starting Methods for Synchronous Motor

  • Categories Synchronous Motor, Electrical Machines

Synchronous motors are not self-starting. Some additional devices should be used to start the motor. Basically, there are two methods for starting synchronous motors: Induction motor starting (Damper winding) Auxiliary motor …

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motor control center

What are Motor Control Centres?

  • Categories Power System, Circuit Breaker, Electrical Relays, Synchronous Motor, Three Phase Induction Motor

The Motor Control Centre is used in general to describe combinations of enclosures, busbars, circuit breakers, power contactors, power fuses, protective relays, controls and indicating devices. Read more about switchgear …

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Induction Motor and Transformer

Comparison between Induction Motor and Transformer

  • Categories Single Phase Motors, Alternator, Basic Electrical, Electrical Machines, Generation, Synchronous Motor, Three Phase Induction Motor, Transformer

An induction motor may be considered to be a transformer with a rotating short-circuited secondary. The stator winding corresponds to the transformer primary and the rotor winding to the transformer …

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MCQs Synchronous motor

Multiple Choice Questions (MCQs) on Synchronous Motors

  • Categories Objective Questions, Synchronous Motor

1. A synchronous motor can operate at (A) Lagging power factor only (B) Leading power factor only (C) Unity power factor only (D) Lagging, leading and unity power factor only …

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Video: How Stepper Motor Works?

  • Categories Electrical Machines, Arduino, Control System, Single Phase Motors, Synchronous Motor

How does a robotic arm in a production plant repeat exactly the same movements over and over again? How can you move an automatic milling machine so precisely? It is …

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electrical noise motor

Electrical and Mechanical Noise in Motors

  • Categories Electrical Machines, DC Motor, Generation, Single Phase Motors, Synchronous Motor, Three Phase Induction Motor

Two types of noises occur in an electric motor, one is electrical noise and the other is mechanical noise. The causes of remedial treatments for both are discussed in this …

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adcmotor

Armature Reaction in DC Motors

  • Categories DC Motor, Electrical Machines, Synchronous Motor, Three Phase Induction Motor

Armature reaction also occurs in a DC motor just like armature reaction in DC Generator. This is expected because when current flows through the armature conductors of a DC motor, …

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Electric motor maintenance

Electric Motor Maintenance : Preventive, Predictive and Reactive Maintenance

  • Categories DC Motor, DC Generator, Electric Vehicles, Single Phase Motors, Synchronous Motor, Three Phase Induction Motor

Electric Motors need maintenance regularly in order to avoid failure and prolong their lifespan. Generally, motors and motor parts should be maintained and tested at least every 6 months.  Then …

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Insulation Resistance Tester Megger

Insulation Resistance Test (IR Test) or Megger Test

  • Categories Transformer, Alternator, Cables, Circuit Breaker, DC Generator, DC Motor, Electrical Machines, Electrical Relays, Power System, Single Phase Motors, Substation, Switchgear, Synchronous Motor, Three Phase Induction Motor

Insulation Resistance or IR Test is carried out by maintenance engineers to ensure the healthiness of the overall insulation system of electrical equipment.  It reflects the presence or absence of …

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