Derivation of EMF Equation of a DC Generator
EMF Equation of DC Generator and DC Motor When we apply DC voltage to an armature of a DC motor, a back emf or counter
Electrical
Speed Regulation of DC Motor | Definition and Formula
The speed of the DC motor decrease with an increase of load on the motor. This is not desirable. Therefore, there must be a lesser
Kirchhoff’s Current Law, KCL and Junction Rule, Solved Problems
Kirchhoff’s laws are very helpful tool for circuit analysis. It is easy to find current and voltage in a complex electrical circuit. The electrical circuit
What is Smart or Intelligent MCC? Its Advantages
What is MCC? MCC – Motor Control Center– has all the operational and protective switch gears. The Motor Control center basically controls the motor operation.
What is Shaft Torque of DC Motor?- Definition, Formula and Solved Problem
The actual torque available at the motor shaft for driving the mechanical equipment is known as shaft torque(Tsh). In fact, the same electromagnetic or gross
Different Ways to Improve Starting Torque of A.C. Induction Motors
A.C. induction motor starting torque is very low as compared to DC motor starting torque. Also, during acceleration, the induction motor produces torque pulsation. As
What is Electric Power? Definition, Unit, Types, Formula, Solved Problems
Electric Power Definition The rate at which work is done is called an electric power. An electrical source has electrical charges stored in it. Therefore,
What is Power? Definition, Unit, Formula, Solved Examples
A person “A” can dig 2 feet of soil in one hour. Another person “B” can dig 2 feet of soil in two hours. Who
What is a Phase Sequence & Its Significance
Definition: In a three-phase power system, the order in which each phase voltages attain a positive peak value is called phase sequence. The phase sequence
Why do 3 phase induction motors not need a neutral?
3 Phase induction motor is a balanced three-phase load. Therefore, the induction motor draws a balanced current if the supply voltage and the impedance of