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Electrical Cables Interview Questions & Answers
What is the main reason for providing metallic sheath in underground cables? The metallic sheath is provided around the insulation ... -
Shunt Capacitor Advantages in Power System
Normal loads on ac supply system are inductive in nature (eg: motors, power transformers, voltage regulators, induction furnace, choke coils, ... -
Transmission and Distribution Interview Questions
What for series and shunt compensation provided in EHV transmission lines? Series capacitance is provided in EHV lines to artificially ... -
Crowbar fault protection circuit
Crowbar circuit is used to protect circuit or equipment under fault condition Over Current Causes: Over current flow through thyristors ... -
R R-C Firing Circuits Disadvantages
Firing Circuits: Gate triggering is the most commonly used turn-on method employed to switch on the thyristors. Triggering circuits is ... -
Importance of Hysteresis Loop
Hysteresis Loss: When a magnetic material is subjected to a cycle of magnetization (magnetized first in one direction and later ... -
Advantages of Star and Delta Systems
In a 3-phase system the alternators or generators may be star connected or delta connected. Likewise 3-phase loads may be star connected ... -
Protection Relays Interview Questions & Answers
Where does Negative phase sequence relay is employed? Negative sequence relay is employed for the protection of generators and motors ... -
Generator Protection Interview Questions & Answers
Synchronous Generator Protection Interview Questions Answers What are the common types of generator faults? The common types of faults occurring ... -
Induction Motor Protection Interview Questions Answers
Induction Motor Protection Interview Questions Answers What are the type of faults that are likely to occur in operation of ...
Author: Bharadwaj
