Search found 2449 matches

by rohanraletta
Wed Aug 14, 2019 2:17 pm
Forum: Automobiles
Topic: What Is Meant By Insulation Voltage In Cables? Explain It?
Replies: 0
Views: 118

What Is Meant By Insulation Voltage In Cables? Explain It?

It is the property of a cable by virtue of it can withstand the applied voltage without rupturing it is known as insulation level of the cable.
by rohanraletta
Wed Aug 14, 2019 2:17 pm
Forum: Automobiles
Topic: What Is Frantic Effect?
Replies: 0
Views: 76

What Is Frantic Effect?

Output voltage is greater than the input voltage or receiving end voltage is greater than the sending end voltage.
by rohanraletta
Wed Aug 14, 2019 2:16 pm
Forum: Automobiles
Topic: What Is Sf6 Circuit Breaker?
Replies: 0
Views: 71

What Is Sf6 Circuit Breaker?

SF6 is Sulpher hexa Flouride gas.. if this gas is used as arc quenching medium in a Circuitbreaker means SF6 CB.
by rohanraletta
Wed Aug 14, 2019 2:16 pm
Forum: Automobiles
Topic: What Is Boucholz Relay And The Significance Of It In To The Transformer?
Replies: 0
Views: 60

What Is Boucholz Relay And The Significance Of It In To The Transformer?

Boucholz relay is a device which is used for the protection of transformer from its internal faults, it is a gas based relay. whenever any internal fault occurs in a transformer, the boucholz relay at once gives a horn for some time, if the transformer is isolated from the circuit then it stop its s...
by rohanraletta
Wed Aug 14, 2019 2:16 pm
Forum: Automobiles
Topic: What Is The Difference Between Synchronous Generator & Asynchronous Generator?
Replies: 0
Views: 67

What Is The Difference Between Synchronous Generator & Asynchronous Generator?

In simple, synchronous generator supply’s both active and reactive power but asynchronous generator(induction generator) supply’s only active power and observe reactive power for magnetizing.This type of generators are used in windmills.
by rohanraletta
Wed Aug 14, 2019 2:15 pm
Forum: Automobiles
Topic: Why Syn. Generators Are Used For The Production Of Electricity?
Replies: 0
Views: 71

Why Syn. Generators Are Used For The Production Of Electricity?

Synchronous machines have capability to work on different power factor(or say different imaginary pow varying the field emf. Hence syn. generators are used for the production of electricity.
by rohanraletta
Wed Aug 14, 2019 2:15 pm
Forum: Automobiles
Topic: Enlist Types Of Dc Generator?
Replies: 0
Views: 61

Enlist Types Of Dc Generator?

D.C.Generators are classified into two types:

separatly exicted d.c.generator.
self exicted d.c.generator.
which is further classified into;1)series 2)shunt and compound(which is further classified into cumulative and differential).
by rohanraletta
Wed Aug 14, 2019 2:14 pm
Forum: Automobiles
Topic: What Is Automatic Voltage Regulator(avr)?
Replies: 0
Views: 76

What Is Automatic Voltage Regulator(avr)?

AVR is an abbreviation for Automatic Voltage Regulator.It is important part in Synchronous Generators, it controls theoutput voltage of the generator by controlling its excitation current. Thus it can control the output Reactive Power of the Generator.
by rohanraletta
Wed Aug 14, 2019 2:14 pm
Forum: Automobiles
Topic: What Is An Exciter And How Does It Work?
Replies: 0
Views: 63

What Is An Exciter And How Does It Work?

There are two types of exciters, static exciter and rotory exciter. purpose of excitor is to supply the excitation dc voltage to the fixed poles of generator. Rotory excitor is an additional small generator mounted on the shaft of main generator. if it is dc generator, it will supply dc to the rotor...
by rohanraletta
Wed Aug 14, 2019 2:13 pm
Forum: Automobiles
Topic: Difference Between A Four Point Starter And Three Point Starter?
Replies: 0
Views: 71

Difference Between A Four Point Starter And Three Point Starter?

The shunt connection in four point stater is provided separately form the line where as in three point stater it is connected with line which is the drawback in three point stater