3-phase induction motors are simple and robust in their construction. It is less expensive due to its simple construction. Less maintenance is required in this type of motor. It is a type of self-excited motor. The output of the three phase induction motor is 1.5 times the rating of a single phase induction motor of the same size.

Solution Verified by Toppr Phasedifference = 4πradian Frequency f=50Hz Timedifference Δt= 2πfπ = 4∗2π∗50π = 4001 =0.0025s=2.5ms Solve any question of Alternating Current with:- Patterns of problems > Was this answer helpful? 0 0 Similar questions

There are single phase induction motors and three phase induction motors. Single phase induction motors arenot a self-starting motor, and three phase induction motor are a self-starting motor. Working Principle of Induction Motor We need to give double excitation to make a DC motor to rotate.

EMF equation of Single Phase Transformer derivation (Derivation of EMF equation for Transformer) BEE Gautam Varde 16.4K subscribers Subscribe 163 Share 7.2K views 1 year ago.

OC & SC TESTS ON SINGLE PHASE TRANSFORMER Aim: (a) To predetermine the efficiency and regulation of Single Phase Transformer by conducting No-Load Test (or) Open Circuit Test and Short Circuit test. (b)To draw the equivalent circuit of single phase transformer referred to LV side as well as HV side. Apparatus Required:

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The system in the figure has been examined at atmospheric pressure; because the pressure variable is fixed, the phase rule is expressed as P + F = C + 1. In this form it is called the condensed phase rule, for any gas phase is either condensed to a liquid or is present in negligible amounts.

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Colors for 240V are black, red, blue, white, and green for line 1, line 2, line 3, neutral, and ground respectively. On the other hand, for 240V single phase, the colors are brown, blue, and green/yellow (bi-colored) for live, neutral, and earth respectively. What happens if phase and neutral are reversed?