why we permissive overreach in distance protection.where it
is applicable to use in long r short lines
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what is impedance in a transformer? how can i calculate it?
what does work of electrical technician in industrial
what is the form factor of DC voltage
4-Why we measure the insulation resistance of main core and frame in spite of that must be connected with ground before energize the transformer?
What is Surge arrest? How it work?
What is an Automatic Voltage Regultor & what is its use? What are the general componets we use to design an Automatic Voltage Regulator..What are the factors to be considered for its design?
what is difference bwt active&passive component
for opening electrical shop, tips needed.
Transformer calculation
1 Answers Aramco, LMW Lakshmi Machine Works Limited,
If any HVDC line is going with positive & negative(the negative usually have return path of current with earthing electrode). Now the question is if this HVDC earthed electrode which is using as return path and earthed any nearby 400kv or 220kv AC substation equipments. which will be the impact of this on AC substation & its equipment, how severe may be this and what should be the minimum distance require between HVDC earthed electrode and AC substation equipments? It's really an high engineering level question...Dare to answer and increase your knowledge.
What meant by lagging and leading? When if they are occurred what preventive methods should be taken?
14 Answers ABB, L&T,
what factor is necessary during design of HT & LT MOTORS.