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An Electric DC motor is a machine which converts electric energy into mechanical energy. The working of DC motor is based on the MCB (Miniature Circuit Breakers) - Types, Working and Tripping Characteristic Curves What is MCB? MCB or Miniature Circuit Breaker  is an electromechanical device which protects an electric circuit from an What is Back EMF ? When the arma*ure of a d.c. motor rotates under the influence of the driving torque, the arma*ure conductors move What is Switchgear? Related Topics What is Switchgear? Components of Switchgear Circuit Breaker - Working  Arching Phenomenon.. What is VCB? VCB stands for Vacuum Circuit Breaker. In vacuum circuit breakers , the vacuum is used as the arc quenching medium.  Vacuu.. The dc generators and dc motors have the same general construction. In fact, when the   machine is being as*embled, the workmen usual.. Sulphur Hexafluoride (SF6) Circuit Breakers - Construction, Working and Advantages In SF6 Circuit breaker, sulphur hexafluoride gas is used as the arc quenching medium. The sulphur hexafluoride gas (SF6) is an elect.. 1 φ Motors - Clas*ification Why  1 φ IM not self starting?   How to make  1 φ IM self starting? Split Phase Induction Motor. Shaded pole motor is a split phase type single phase induction motor. The shaded pole motor is very popular for ratings below 0.05 HP (.. this topic.  The mmf necessary to establish flux in the magnetic cir.. As the name indicates, circuit breaker means the device which breaks (Open) the circuit under the abnormal condition and protects the The function of a circuit breaker is to isolate the faulty point of the power system in case of abnormal conditions such as faults.  detects abnormal conditions and sends a tripping signal to the circuit breaker after receiving tripping command from the relay, the circuit breaker isolates the faulty part from the power system.  A CIRCUIT BREAKER essentially consists of fixed and moving contacts, called electrodes.  These contacts are placed in the closed chamber