a) A relay is an electromagnetic switch that is used to turn on and tum off a circuit bya low power signal. With aid of illustration, describe the type of contacts andteminal configurations used for selection of relay in a electrical cricuit.b) Apart from Direct On-line (DOL) starter, star-delta motor control technique iswidely used for induction motors at the factory. With aid of single line diagram,briefly explain the components, operational configuration and states of star-deltamotor starting method.

As per our policy, I can solve one question at a time. a) Contacts are the switch's conducting…

a) A relay is an electromagnetic switch that is used to turn on and tum off a circuit by a low power signal. With aid of illustration, describe the type of contacts and teminal configurations used for selection of relay in a electrical cricuit.

a) A relay is an electromagnetic switch that is used to turn on and tum off a circuit by a low power signal. With aid of illustration, describe the type of contacts and teminal configurations used for selection of relay in a electrical cricuit.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter10: System Protection

Section: Chapter Questions

Problem 10.28P

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Flow Detection Sensor

A flow detection sensor which is also called a flow meter is an electronic device that measures the flow rate of liquids and gasses. Flow detection sensors can detect leaks, blockage, pipe bursts, and changes in liquid concentration which is occurred due to pollution.

Question

a) A relay is an electromagnetic switch that is used to turn on and tum off a circuit by
a low power signal. With aid of illustration, describe the type of contacts and
teminal configurations used for selection of relay in a electrical cricuit.
b) Apart from Direct On-line (DOL) starter, star-delta motor control technique is
widely used for induction motors at the factory. With aid of single line diagram,
briefly explain the components, operational configuration and states of star-delta
motor starting method.

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