You searched for Pole Changing - Page 4 of 7

DC Circuit Breaker

DC Circuit Breaker: Light duty DC Circuit Breaker have been in use since long. However, with the latest developments in HVDC transmission there would naturally be the necessity of the…

Motor Protection

Motor Protection: Motor Protection - There is a wide range of motors in existence for various purposes. However, the fundamental problems affecting the choice of protection are independent of the…

Operation of Synchronous Motor

Operation of Synchronous Motor: Operation of Synchronous Motor - For any speed other than synchronous speed, the relative speed between air gap flux wave and the rotor is not zero.…

Braking of Single Phase Induction Motor

Braking of Single Phase Induction Motor: These motors can be braked by dc dynamic and plugging. The Braking of Single Phase Induction Motor are DC Dynamic Braking: It is commonly used…

Single Phase Induction Motor Types

Single Phase Induction Motor Types: Single Phase Induction Motor Types - As far as normal running is concerned, a single winding is sufficient. But all motors must be self start.…

Transient Analysis of Induction Motor

Transient Analysis of Induction Motor: Usefulness of analysis of transient operating conditions of a drive, e.g. starting, braking, load changing, speed changing, etc. is already explained. A rigorous analysis of…

Three Phase Induction Motors

Three Phase Induction Motors: Three Phase Induction Motors are of two types: squirrel-case and wound-rotor. In squirrel-cage, the rotor consists of longitudinal conductor-bars shorted by circular connectors at the two…

Monochrome Television Receiver Block Diagram

Monochrome Television Receiver Block Diagram: Monochrome Television Receiver Block Diagram as shown in Figure 17-9, TV receivers use the superheterodyne principle. There is extensive pulse circuitry, to ensure that the…