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
Electrical
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
Shaft Grounding Devices | Shaft Earthing Devices
Shaft grounding devices minimize the shaft voltage and prevent bearings damage caused by the circulating current. There are numerous reasons for developing shaft voltage in
Ohm’s Law-Satatement, Formula, Solved Examples
What is Ohm’s Law? Ohm’s law states the relationship between the potential difference and current in the circuit. The current in the circuit depends on
What is Millman’s Theorem? Millman’s Theorem Formula
The network or circuit theorems are a tool to solve complex electrical problems. We use Millman’s Theorem to solve complex electrical circuits having many voltage
What Happens if DC supply fails in an electrical substation?
This article describes the importance of DC supply in substations. Circuit breakers are the main power-controlling elements that are switched on and off during normal
What is the Difference between Soft Starter and VFD?
The main difference between VFD and Soft Starter is that a VFD can increase or decrease the speed of the motor, while a soft starter only controls the smooth start and stop