Static Relay
Relays are extensively used in the protection of system from fault and abnormal conditions. In today’s world, the static combined protection control & monitoring systems are used for the protection…
What Is Lightning
An electric discharge between cloud and earth, between clouds or between the charge centers of the same cloud is known as Lightning is a huge spark and takes place when…
Variac Transformer
Contents What is Variac/Autotransformer transformer? Autotransformer Design Autotransformer with Multiple Tapping Points Autotransformer Terminal Markings Comparison of Autotransformer with Two winding Transformer Advantages Uses Variable-voltage transformers are efficient means of…
Transducers
Whatis a transducer? Transducer is a device that receives energy from one system and can be converted into another. If we give input to a transducer, it will give us…
Substation
The present-day electrical power system is a.c. i.e. electric power is generated, transmitted and distributed in the form of alternating current. The electric power is produced at the power stations…
Strip Chart Recorder
Strip chart recorders are widely used to record variation of a variable quantity or quantities with respect to time axis. In some applications in industry, it is required to know…
Singal Phase Half Bridge Inverter
Inverters are basically used to convert Direct current into Alternating current.This can be achieved by using Thyristor such as SCR, TRIACetc.For single phase inverters, two thyristors (SCRs) are required similar…
SAG
While erecting an overhead line, it is very important that conductors are under safe tension. If the conductors are too much stretched between supports in a bid to save conductor…
Effects On Transmission Lines
Contents Skin Effect Proximity Effect Ferranti Effect Skineffect In DC system, there is an equal distribution of current in the cross section of the conductor.Because the frequency of DC…
Effect Of Electric Shock On Human
The alternating current has a frequency of 50 Hz in India whereas it is 60 Hz in U.S. The alternating current flows to and fro in phase and neutral of…