What is a high tension power line?

Question

asked Mar 10, 2018 by anonymous

67 views

Please log in or register to answer this question.

2 Answers

← Prev Question Next Question →

Related questions

asked Mar 10, 2018 by anonymous

What is the advantage of high power factor?

Last answer: Reduced copper losses Smaller conductor size Improve voltage regulation Increase system capability Less energy bill

0 like 0 dislike

75 views 2 answers

asked Mar 20, 2018 by anonymous

For high value of diversity factor, a power station of given installed capacity will be in a position to supply?

Last answer: For high value of diversity factor, a power station of given installed capacity will be in a position to supply more number of consumers.

0 like 0 dislike

96 views 1 answer

asked Mar 25, 2018 by anonymous

Power factor of the system is kept high?

Last answer: Power factor of the system is kept high to reduce line losses, to maximise the utilization of the capacities of generators, lines and transformers, to reduce voltage regulation of the line.

0 like 0 dislike

90 views 1 answer

asked Mar 20, 2018 by anonymous

The contacts of high voltage switches used in power system are submerged in oil. The main purpose of the oil is to?

Last answer: The contacts of high voltage switches used in power system are submerged in oil. The main purpose of the oil is to extinguish the arc.

0 like 0 dislike

134 views 1 answer

asked Mar 10, 2018 by anonymous

Why high voltage is used in power transmission?

Last answer: The primary reason that power is transmitted at high voltages is to increase efficiency. ... The lower current that accompanies high voltage transmissionreduces resistance in the conductors aselectricity flows ... This means that thin, light-weight wires can beused in long-distance transmission.

0 like 0 dislike

5.2k views 2 answers

asked May 25, 2020 by anonymous

Define surface tension. State its S.I. unit.

Last answer: Definition:- The force acting per unit length of an imaginary line drawn to surface of liquid. OR The surface tension is defined as the property of liquids by virtue of which the surface of a liquid is ... due to the tendency to contract and occupy minimum surface area. S.I. unit :- N/m

0 like 0 dislike

20 views 1 answer

asked Mar 10, 2018 by anonymous

What is meant by extra high voltage transmission?

Last answer: HT & LT two types transmission in industrial line

0 like 0 dislike

91 views 1 answer

asked Jun 29, 2019 by anonymous

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

Last answer: The power line voltage available in our homes is AC. Mobile dwellings are the most commonly DC-supplied homes and even then they tend to include AC supply for heavier loads.

0 like 0 dislike

5.0k views 1 answer

asked Mar 20, 2018 by anonymous

An induction motor has relatively high power factor at?

Last answer: An induction motor has relatively high power factor at near full load.

0 like 0 dislike

64 views 1 answer

asked Mar 10, 2018 by anonymous

Why high voltage can reduce power loss?

Last answer: when voltage has increased due to reduced current flow, thus power loss given by ( I^2R) will be low due to reduced current(I^2) provided that resistance (R) is constant.

0 like 0 dislike

2.5k views 1 answer

asked Apr 29, 2018 by anonymous

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

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

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

0 like 0 dislike

71 views 1 answer

asked Apr 29, 2018 by anonymous

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

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

0 like 0 dislike

2.6k views 1 answer

asked Apr 27, 2018 by anonymous

The reactive power transfer over a line mainly depends on

Last answer: The reactive power transfer over a line mainly depends on lVsl- lVRl

0 like 0 dislike

282 views 1 answer

asked Mar 25, 2018 by anonymous

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

Last answer: It takes power when voltage decreases and current increases.

0 like 0 dislike

898 views 2 answers

asked Mar 20, 2018 by anonymous

The inductive interference between power and communication line can be minimized by?

Last answer: The inductive interference between power and communication line can be minimized by transposition of the power line, transposition of the communication line.

0 like 0 dislike

84 views 1 answer

asked Mar 10, 2018 by anonymous

Why is it cheaper to transmit electrical energy at high voltage?

Last answer: Because of the electrical energy was step upped by transformers the transformer have high efficiency than the electric energy is cheaper

0 like 0 dislike

115 views 1 answer

asked Dec 16, 2017 by anonymous

Why transmission voltages are high?

Last answer: If current is high then I2R losses will be more .If I2R losses is more then heat generated is more. By heat or increasing temperature resistance will also be increase which will decrease ... voltage we are decreasing current which is advantageous. That's why transmission voltages is high.

3 like 0 dislike

118 views 2 answers

asked Mar 10, 2018 by anonymous

What is a high voltage test?

0 like 0 dislike

50 views 0 answers

asked Apr 30, 2018 by anonymous

For a short transmission line with r/x ratio of is 1.0, the regulation will be zero when the load power factor is

Last answer: For a short transmission line with r/x ratio of is 1.0, the regulation will be zero when the load power factor is 0.707 lead

0 like 0 dislike

128 views 1 answer

asked May 22, 2020 by anonymous

State the advantages of use of high voltage in transmission of Electric power.

Last answer: Advantages: 1. As Transmission voltage increases, current decreases. 2. As current decreases, cross section of conductor decreases. 3. As cross section of conductor decreases, its ... high voltage transmission line, successful interconnection of transmission line is possible than low voltage.

0 like 0 dislike

24 views 1 answer

asked Mar 25, 2018 by anonymous

For high efficiency of transfer of power, internal resistance of the source should be?

Last answer: For high efficiency of transfer of power, internal resistance of the source should be less than the load resistance.

0 like 0 dislike

221 views 1 answer

asked Mar 15, 2018 by anonymous

What can cause high amperage on a motor?

Last answer: High amperage can result in a motor when the amount of load increases. when load increases , it reduces the rotor speed which increases the slip at constant synchronous speed ... , as a result more current shall have been drawn to maintain the additional load.

0 like 0 dislike

52 views 1 answer

asked Mar 10, 2018 by anonymous

What is Extra High Voltage?

0 like 0 dislike

60 views 0 answers

asked Mar 10, 2018 by anonymous

What is considered low voltage and high voltage?

0 like 0 dislike

59 views 0 answers

asked Jun 18, 2018 by anonymous

A 50Ω transmission line is terminated in an impedance of 20-j50. What will be the reflection coefficient?

A 50Ω transmission line is terminated in an impedance of 20-j50. What will be the reflection coefficient? A) 0.69 B) 1.69 C) 6.9 D) 16.9

Last answer: A 50Ω transmission line is terminated in an impedance of 20-j50. What will be the reflection coefficient? A) 0.69 B) 1.69 C) 6.9 D) 16.9

0 like 0 dislike

240 views 1 answer

asked Mar 10, 2018 by anonymous

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

0 like 0 dislike

99 views 0 answers

asked Mar 10, 2018 by anonymous

What are the advantages of high voltage transmission?

Last answer: Advantages: 1. As Transmission voltage increases, current decreases. 2. As current decreases, cross section of conductor decreases. 3. As cross section of conductor decreases ... line increases 12. As transmission voltage increases power handling capacity of transmission line increases

0 like 0 dislike

3.1k views 1 answer

asked May 8, 2018 by anonymous

The number of cycles in which a high speed circuit breaker can complete its operation is

The number of cycles in which a high speed circuit breaker can complete its operation is (A) 3 to 8 (B) 10 to 18 (C) 20 to 30 (D) 40 to 50

Last answer: The number of cycles in which a high speed circuit breaker can complete its operation is 3 to 8

0 like 0 dislike

461 views 1 answer

asked Mar 10, 2018 by anonymous

What are the losses in a transmission line?

0 like 0 dislike

50 views 0 answers

asked Aug 11, 2018 by anonymous

What is line voltage and phase voltage?

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

0 like 0 dislike

106 views 0 answers

asked Mar 10, 2018 by anonymous

What is the difference between line and phase current?

Last answer: The currents flows through phase lines is called line voltage and currents flows from phase to neutral line is called phase current

0 like 0 dislike

90 views 1 answer

asked Mar 10, 2018 by anonymous

What is the difference between line and phase voltage?

Last answer: Line voltage is voltage between two phases R &Y (415 v) while phase voltage is the voltage between one phase and a neutral B & N (240 v).

0 like 0 dislike

130 views 1 answer

asked Dec 22, 2017 by anonymous

What is the voltage in 3 phase line?

Last answer: between 430 to 440 v

3 like 0 dislike

256 views 4 answers

asked Aug 18, 2017 by anonymous

what is mean by medium transmission line ?

Last answer: The transmission line which have length between 80 km to 250 km is known as medium transmission line.

0 like 0 dislike

82 views 1 answer

asked Aug 18, 2017 by anonymous

what is mean by short transmission line ?

Last answer: The transmission lines which have length less than 80 km is known as short transmission lines.

0 like 0 dislike

89 views 1 answer

asked Aug 18, 2017 by anonymous

what is mean by long transmission line ?

Last answer: The transmission line which have length more than 250 km are known as long transmission lines.

1 like 0 dislike

72 views 1 answer

asked Mar 21, 2018 by anonymous

For measuring a very high resistance we should use?

Last answer: For measuring a very high resistance we should use Meggar.

0 like 0 dislike

86 views 1 answer

asked Mar 15, 2018 by anonymous

Why a dc series motor has a high starting torque?

0 like 0 dislike

63 views 0 answers

asked Mar 21, 2018 by anonymous

For measurements on high voltage capacitors, the suitable bridge is?

Last answer: For measurements on high voltage capacitors, the suitable bridge is Schering bridge.

0 like 0 dislike

228 views 1 answer

asked Mar 18, 2018 by anonymous

Which rotor is use for high speed in turbo alternators?

Last answer: Non-salient pole rotor is used for high speed in turbo alternators.

0 like 0 dislike

65 views 1 answer

asked Mar 15, 2018 by anonymous

Which capacitor is used for high frequency?

0 like 0 dislike

67 views 0 answers

asked Mar 15, 2018 by anonymous

Why high starting torque is required?

0 like 0 dislike

50 views 0 answers

asked Mar 10, 2018 by anonymous

Why high voltage test is done?

0 like 0 dislike

51 views 0 answers

asked Sep 10, 2017 by anonymous

why mosfet is used for high frequency?

Last answer: MOSFET provides better efficiency at high frequency and its high speed switching losses are less hence MOSFET is used for high frequency.

1 like 0 dislike

97 views 1 answer

asked Aug 25, 2019 by anonymous

While calculating performance of medium transmission line, what assumptions are made in case of (i) Nominal 'T' Method (ii) Nominal 'TT' Method.

Last answer: (i) Assumptions are made in case of Nominal 'T' Method: a. It is assume that line capacitance is connected at center of transmission line. b. It is assume that half ... assumed that transmission line resistance & reactance per phase is connected in between two half transmission line capacitance

0 like 0 dislike

70 views 1 answer

asked May 8, 2018 by anonymous

The sag of a transmission line is least affected by

The sag of a transmission line is least affected by (A) Self weight of the conductor. (B) Temperature of the surrounding air. (C) Current through the conductor. (D) Ice deposited on the conductor.

Last answer: The sag of a transmission line is least affected by Current through the conductor.

0 like 0 dislike

100 views 1 answer

asked Apr 29, 2018 by anonymous

A transmission line of 200 km has a certain A, B, C and D parameters. If the length is reduced to 60 km

Last answer: A transmission line of 200 km has a certain A, B, C and D parameters. If the length is reduced to 60 km A increases, B decreases

0 like 0 dislike

91 views 1 answer

asked Apr 28, 2018 by anonymous

The line current in a balanced delta system is 30 A. The load current is

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

Last answer: The line current in a balanced delta system is 30 A. The load current is 30/√3 A

0 like 0 dislike

62 views 1 answer

asked Mar 20, 2018 by anonymous

The interaction between a transmission line and communication line is minimized by?

Last answer: The interaction between a transmission line and communication line is minimized by transposing transmission as well as communication lines, increasing the height of the transmission line tower, increasing the distance between the two lines.

0 like 0 dislike

116 views 1 answer

asked Mar 20, 2018 by anonymous

When a transmission line is energized, the wave that propagates on it is?

Last answer: When a transmission line is energized, the wave that propagates on it is current wave and voltage wave.

0 like 0 dislike

105 views 1 answer

Ramanjuneyulu · Answer 1 · 2018-07-31T19:10:05+0000

answered Jul 31, 2018 by Ramanjuneyulu

3phase long lines

ishimwe khavelly · Answer 2 · 2018-07-31T21:52:15+0000

High tension power line is a high voltage of 115 kv and power line is underground transimissio used by urbun areas

What is a high tension power line?

Please log in or register to add a comment.

Please log in or register to answer this question.

2 Answers

Please log in or register to add a comment.

Please log in or register to add a comment.

Related questions