19 views
in Switchgear And Protection by
A lightening arrester connected between the line and earth in a power system 

(1) protects the terminal equipment against travelling surges (2) protects the transmission line against direct lightening strokes (3) suppresses high frequency oscillations in the line (4) reflects back the travelling wave approaching it

1 Answer

0 votes
by

A lightening arrester connected between the line and earth in a power system protects the terminal equipment against travelling surges

Related questions

1 answer 140 views
0 answers 61 views

What is the difference between a line voltage and low voltage control system?

asked Mar 10, 2018 in High voltage engineering by Quiz
1 answer 54 views

The reactive power transfer over a line mainly depends on

asked Apr 27, 2018 in Switchgear And Protection by Shimroz123
1 answer 16 views

The line current in a balanced delta system is 30 A. The load current is (A) 30√3 A (B) 30/√3 A (C) 10 A (D) 30/√2 A

asked Apr 28, 2018 in Network Analysis by Shimroz123
1 answer 152 views

For a 15-bus power system with 3 voltage controlled buses, the size of Jacobian matrix is

asked Apr 27, 2018 in Switchgear And Protection by Shimroz123
1 answer 36 views

With fault clearing time, the transient stability of a power system

asked Apr 27, 2018 in Switchgear And Protection by Shimroz123
1 answer 23 views

Is the power line voltage available in our homes a dc or an ac voltage?

asked Jun 29 by Shimroz123
1 answer 26 views

The command line interpreter that enables the users to interact with operating system is called the A) Window B) Shell C) Process D) Kernel 

asked Jun 18, 2018 in Electronics Engineering by Shimroz123
1 answer 14 views

If non-linear loads are connected to the power system, then (A) displacement power factor is same as the total power factor (B) displacement power factor is not equal to the total power factor (C) displacement power factor is due to harmonic currents (D) total power factor is due to fundamental component of current

asked Apr 28, 2018 in Power system by Shimroz123
1 answer 18 views

What is the choice of size and number of generator units in interconnected power system?

asked Sep 7, 2018 by Shimroz123
2 answers 38 views

Pure inductive circuit takes power from the A.C. line when?

asked Mar 25, 2018 in Electrical Engineering by Shimroz123
1 answer 8 views

State the functions of fuel system and exhaust system of a diesel power station.

asked Sep 8, 2018 by Shimroz123
1 answer 5 views

Explain fuel system and air intake system in diesel electric power plant.

asked Sep 8, 2018 by Shimroz123
1 answer 26 views

Generally in a power system network, the load is represented as a :  (A) Constant power in both load flow study and in stability study  (B) Constant power in load flow study and constant impedance in stability study  (C) Constant power in stability study and constant impedance in load flow study  (D) Constant impedance in both load flow study and in stability study

asked Apr 30, 2018 in Power system by Shimroz123
1 answer 18 views

The benefit of power factor correction in a power system is (A) lower power consumption (B) increased demand charge (C) reduced load carrying capabilities in existing lines (D) reduced voltage profile

asked Apr 28, 2018 in Power system by Shimroz123
0 answers 50 views

What is line voltage and phase voltage? Draw balanced three phase star connected system. Show all the voltages and currents.

asked Aug 11, 2018 in Basic electrical and electronics engineering by Quiz
1 answer 32 views

For a 500 Hz frequency excitation, a 50 km long power line will be modeled as

asked Apr 29, 2018 in Power system by Shimroz123
2 answers 21 views

What is a high tension power line?

asked Mar 10, 2018 in Extra high voltage transmission by Quiz
1 answer 36 views

In voltage source converter based HVDC transmission system the active power is controlled by changing (A) phase angle of the converter ac input voltage (B) supply frequency of the converter ac input voltage (C) magnitude of the converter ac input voltage (D) DC voltage at the inverter terminals

asked Apr 28, 2018 in High voltage engineering by Shimroz123
1 answer 74 views

What is the use of lightning arrester?

asked Dec 25, 2017 in High voltage engineering by Quiz
1 answer 20 views

What are the components of a power system?

asked Mar 10, 2018 in Advanced electrical power system by Quiz
1 answer 4 views

Explain starting system in diesel electric power plant.

asked Sep 8, 2018 by Shimroz123
2 answers 51 views

What is sag in power system?

asked Mar 10, 2018 in Advanced electrical power system by Quiz
1 answer 28 views

What is meant by feeder in power system?

asked Mar 10, 2018 in Advanced electrical power system by Quiz
0 answers 41 views

What is microgrid in power system?

asked Mar 10, 2018 in Advanced electrical power system by Quiz
6 answers 245 views

what is lightning arrester?

asked Nov 30, 2017 in Electrical Engineering by Quiz
1 answer 195 views

steady-state stability of a power system is improved by

asked Apr 28, 2018 in Electrical Engineering by Shimroz123
1 answer 15 views

The stability of the power system is not affected by  (1) generator reactance (2) line reactance (3) line losses (4) output torque

asked Apr 30, 2018 in Power system by Shimroz123
1 answer 19 views

Power factor of the system is kept high?

asked Mar 25, 2018 in Electrical Engineering by Shimroz123
1 answer 86 views

State function of starter and ELCB. (Earth Leakage Circuit Breaker)

asked Sep 18, 2018 in Industry Electrical Systems-I by Shimroz123
0 answers 17 views

Explain power system analysis.

asked Mar 11, 2018 in Computer techniques in power system by Quiz
3 answers 143 views

What are interconnected power system?

asked Mar 10, 2018 in Advanced electrical power system by Quiz
0 answers 17 views

What is power system planning?

asked Mar 10, 2018 in Advanced electrical power system by Quiz
2 answers 50 views

Write the relation between phase and line current, phase and line voltage for Star connection.

asked Aug 11, 2018 in Basic electrical and electronics engineering by Quiz
1 answer 31 views

What is the difference between line and phase current?

asked Mar 10, 2018 in High voltage engineering by Quiz
1 answer 48 views

What is the difference between line and phase voltage?

asked Mar 10, 2018 in High voltage engineering by Quiz
1 answer 25 views

lf a travelling-wave travelling along a loss-less overhead line does not result in any reflection after it has reached the far end, then the far end of the line is

asked Apr 26, 2018 in Switchgear And Protection by Shimroz123
1 answer 15 views

Name the method used to measure following resistances:- (i) Low resistance (ii) Medium resistance (iii) Insulation resistance (iv) Earth resistance.

asked Sep 6, 2018 by Shimroz123

Welcome to electronics2electrical.com here you can ask questions related to electrical, electronics, mechanical, telecommunication, instrumentation, computer, mathematics, physics etc.
Be respectful to all the members. Do not copy and paste the answers from other websites which have copyright content. While asking question give full details about it.

Categories

Most popular tags

power motor dc circuit transformer voltage current used system phase resistance factor synchronous load ac energy induction electric generator series frequency between speed capacitor use electrical meter line difference control type mosfet transmission magnetic plant high single instrument bjt unit source advantages function diode and machine winding field define torque parallel amplifier supply shunt thyristor motors electricity arduino maximum time relay armature problem value on transformers types coil diagram state flow ratio material three formula starting direction theorem method emf operating efficiency digital wave microprocessor test instruments inductance loss measure operation connected signal low applications effect single-phase network temperature working constant losses different law wattmeter measuring compare controlled breaker drive device logic rc full switch flux wire resistivity disadvantages free of materials machines angle force converter conductor transistor gain open protection scr core measurement number bridge principle generators reactance circuits negative the friction iron loop short pole battery conservation steam resistors hysteresis computer using analog lines secondary station gate a rectifier inverter linear induced relays nuclear capacitance basic characteristics design direct work rotor electronics ammeter forces diesel damping rlc connection factors capacitors minimum insulation moving regulation running self systems air fault range main stability quality starter igbt eddy alternator ideal rl average 3-phase plants arc thermal error fuzzy biasing dielectric pressure balanced superposition errors copper rotation feedback impedance measured electronic electrons charge inductive transfer explain start off back curve over solar is three-phase tariff locomotive peak bias zener engineering commutator surge conductors rating universal potentiometer density permanent mechanical transducer capacity memory adc excitation two fuse pure harmonics application semiconductor inductor internal pmmc reaction welding resonance traction permeability breakers rms designed electromagnetic si generation brushes switching capacitive shaded rate 1 distribution resistor methods delta star oscillator reluctance simplification algebra 8085 boolean weston dynamometer insulating strength installation definition fuel heating earth units
...