How many insulator disc used for 33 kV transmission voltage line?

Question

asked Dec 5, 2017 by anonymous

103 views

Please log in or register to answer this question.

1 Answer

← Prev Question Next Question →

Related questions

asked May 8, 2018 by anonymous

The number of insulator discs (each rated 11 kV) required in a suspension type insulator string

The number of insulator discs (each rated 11 kV) required in a suspension type insulator string of 220 kV line is

Last answer: The number of insulator discs (each rated 11kV) required in a suspension type insulator string of 220 kV line is 16

0 like 0 dislike

202 views 1 answer

asked May 3, 2018 by anonymous

A transmission line has 1 P.0 impedance on a base of 11 KV, 100 MVA. On a base of 55 KV. it will have a P.0 impedance of

Last answer: A transmission line has 1 P.0 impedance on a base of 11 KV, 100 MVA. On a base of 55 KV. it will have a P.0 impedance of 0.02 P.U

0 like 0 dislike

359 views 1 answer

asked May 8, 2018 by anonymous

In a transmission line if booster transformers are to be used, preferred location will be

In a transmission line if booster transformers are to be used, preferred location will be (A) At the receiving end (B) At the sending end (C) At the intermediate point (D) Anywhere in the line

Last answer: In a transmission line if booster transformers are to be used, preferred location will be At the intermediate point

0 like 0 dislike

208 views 1 answer

asked Jun 29, 2019 by anonymous

How does the resistance of a conductor compare to that of an insulator?

Last answer: The resistance of a conductor can be significantly lower than the resistance of an insulator, depending on each material's atomic properties.

0 like 0 dislike

2.5k views 1 answer

asked Apr 28, 2018 by anonymous

The sending end and receiving end voltages of a three-phase transmission line are 10 kV/ph and 9.5 kV/ph,

The sending end and receiving end voltages of a three-phase transmission line are 10 kV/ph and 9.5 kV/ph, respectively. If the resistance drop is 150 V/ph and receiving end power factor is 0.8, the sending end power factor is (A) 0.745 lagging (B) 0.775 lagging (C) 0.8 lagging (D) 0.85 lagging

Last answer: Vscos¢s-Vrcos¢r=IR

0 like 0 dislike

2.9k views 2 answers

asked May 8, 2018 by anonymous

Stability of a transmission line can be increased by

Last answer: Stability of a transmission line can be increased by Shunt capacitor, Series capacitor

0 like 0 dislike

261 views 1 answer

asked Sep 20, 2018 by anonymous

State functions of ; i) Cable box ii) Guard wire iii) Shackle insulator iv) Stay wire used in service connection

Last answer: i) Function of Cable box: To hold and inspect incoming and outgoing terminals ii) Function of Guard wire : A grounded conductor placed beneath an overhead transmission line in order to ground ... in service connection: To give mechanical Support to pole, line and prevent leakage current if any

0 like 0 dislike

87 views 1 answer

asked May 8, 2018 by anonymous

If 3000 kW power is to be transmitted over a distance of 30 km, the desirable transmission voltage will be.

If 3000 kW power is to be transmitted over a distance of 30 km, the desirable transmission voltage will be. (A) 11 kV (B) 33 kV (C) 66 kV (D) 132 kV

Last answer: By

0 like 0 dislike

3.3k views 2 answers

asked Jun 29, 2019 by anonymous

What is another name for an insulator?

Last answer: Dielectric material is another name for an insulator.

0 like 0 dislike

86 views 1 answer

asked Apr 29, 2018 by anonymous

The voltages across various discs of suspension insulators having identical discs are different due to:

The voltages across various discs of suspension insulators having identical discs are different due to: (A) Surface leakage currents (B) Series capacitance of lines (C) Shunt capacitance to ground (D) Series and shunt capacitances

Last answer: The voltages across various discs of suspension insulators having identical discs are different due to: Shunt capacitance to ground

0 like 0 dislike

79 views 1 answer

asked May 22, 2018 by anonymous

What type of insulator will be used if the direction of the transmission line is to be changed?

Last answer: Suspension type of insulator will be used if the direction of the transmission line is to be changed.

0 like 0 dislike

111 views 1 answer

asked Apr 28, 2018 by anonymous

If a 5-bus test system contains 6 transmission lines and one transformer, how many non- zero elements are

If a 5-bus test system contains 6 transmission lines and one transformer, how many non-zero elements are there in the system Y-bus ? (A) 25 (B) 12 (C) 11 (D) 19

Last answer: If a 5-bus test system contains 6 transmission lines and one transformer, 19 non-zero elements are there in the system Y-bus.

0 like 0 dislike

2.9k views 1 answer

asked Aug 15, 2019 by anonymous

What is difference between Conductor and insulator ?

Last answer: Conductor is a material that offers no resistance to the flow of current, while an insulator is a material that offers total resistance to the flows of current, It doesn't allowed any flows of current.

0 like 0 dislike

47 views 1 answer

asked Apr 28, 2018 by anonymous

A suspension type insulator has 2 units with self capacitance C and ground capacitance of 0.2 C. Each unit can

A suspension type insulator has 2 units with self capacitance C and ground capacitance of 0.2 C. Each unit can withstand for a maximum voltage of 11 kV. Its string efficiency is (A) 78% (B) 82% (C) 80% (D) 84%

0 like 0 dislike

181 views 0 answers

asked Mar 11, 2018 by anonymous

What is the difference between an insulator and a dielectric?

Last answer: Dielectric is the another name for insulator.

0 like 0 dislike

91 views 1 answer

asked Aug 14, 2017 by anonymous

what is insulator ?

Last answer: A material that does not allow the flow of current or heat.

2 like 0 dislike

108 views 3 answers

asked Apr 29, 2018 by anonymous

Series capacitive compensation in EHV transmission line is used to

Last answer: To maintain voltage stability

0 like 0 dislike

338 views 2 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 Mar 20, 2018 by anonymous

Which relay is preferred for phase fault on short transmission line?

Last answer: Reactance relay is preferred for phase fault on short transmission line.

0 like 0 dislike

91 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 8, 2018 by anonymous

In which of the following transmission lines, the value of the Shunt admittance should be

In which of the following transmission lines, the value of the Shunt admittance should be approximated to zero ? (A) A 66 kV 35 km long line (B) A 132 kV 200 km long line (C) A 220 kV 300 km long line (D) A 400 kV 500 km long line

Last answer: In which of the following transmission lines, the value of the Shunt admittance should be approximated to zero ? (A) A 66 kV 35 km long line (B) A 132 kV 200 km long line (C) A 220 kV 300 km long line (D) A 400 kV 500 km long line

0 like 0 dislike

445 views 1 answer

asked May 8, 2018 by anonymous

In case the height of transmission tower is increased, which of the following parameter is likely to change?

In case the height of transmission tower is increased, which of the following parameter is likely to change? (A) Resistance (B) Inductance (C) Capacitance (D) None of the above

Last answer: In case the height of transmission tower is increased, which of the following parameter is likely to change? (A) Resistance (B) Inductance (C) Capacitance (D) None of the above

0 like 0 dislike

221 views 1 answer

asked May 1, 2018 by anonymous

The purpose of guard ring in transmission lines is to

The purpose of guard ring in transmission lines is to (1) reduce the earth capacitance of the lowest unit. (2) increase the earth capacitance of the lowest unit. (3) reduce the transmission lines losses. (4) reduce the reactance of the line

Last answer: The purpose of guard ring in transmission lines is to reduce the earth capacitance of the lowest unit.

0 like 0 dislike

1.1k views 1 answer

asked May 22, 2018 by anonymous

In case of a ‘High Voltage DC’ transmission, how many minimum conductors are required?

Last answer: In case of a ‘High Voltage DC’ transmission, how many minimum conductors are required? one

0 like 0 dislike

135 views 1 answer

asked May 22, 2020 by anonymous

State the limitations of EHVAC transmission line.

Last answer: Following are the Limitations of EHVAC Transmission: 1. Insulation cost increases as voltage increases 2. Skin effect is more 3. Proximity effect is more. 4. Corona loss increases. 5. Radio ... 18. EHVAC is economical only for bulk amount of power is to be transmitted over long distance.

0 like 0 dislike

81 views 1 answer

asked May 22, 2020 by anonymous

State line parameters of transmission line.

Last answer: Following are the of Line parameters of transmission line: 1. Resistance 2. Inductance 3. Capacitance

0 like 0 dislike

33 views 1 answer

asked May 6, 2020 by anonymous

State the impact of inductance and resistance on transmission line performance

Last answer: Impact of inductance on transmission line: 1) It causes IXL drop in transmission line which affects regulation. 2) It is the only parameter which decides power transmission capacity of line i. ... is very small, it causes losses, temperature rise& poor voltage regulation so it cannot be neglected

0 like 0 dislike

84 views 1 answer

asked Aug 25, 2019 by anonymous

effect of inductance and capacitance on performance of transmission line.

Last answer: Following are the effect on performance of transmission line: 1. Due to inductance (L) voltage drop in transmission line produces. 2. Capacitor (C) draws charging current ... , transmission line efficiency, voltage regulation & also power factor of transmission line gets affected.

1 like 0 dislike

77 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 Aug 25, 2019 by anonymous

HVDC transmission line in India:

Last answer: HVDC transmission line in India: S.N . From To Voltage 1 Rihand (U.P) (from 1990) Dadri +- 500 KV (bipolar) 2 Talcher- is the biggest ... (Chandrapur) Western Region 140KV 8 Connecting Southern region(Vizag- Gajuwaka) Eastern Region 140KV

0 like 0 dislike

74 views 1 answer

asked Aug 25, 2019 by anonymous

effect of line parameter on performance of transmission line.

Last answer: Following are the effect of line parameter on performance of transmission line: 1. Due to resistance (R), voltage drop in transmission line & copper losses in transmission line ... transmission line efficiency, voltage regulation & also power factor of transmission line gets affected.

0 like 0 dislike

45 views 1 answer

asked Aug 18, 2019 by anonymous

Why is transmission line 11kV, 33kV 66kV Not Is 10kV, 20kV, 30kV ?

Last answer: 10kv plus to compensate losses in olden days 1kv were added and transmitted. Since all equipment used for transmission have a multiple of 11 from olden days, still that is being followed even though the losses are ... voltages, multiples of 11 is eazy for winding ratios.. i.e. 11kv to 33kv is 1:3.

0 like 0 dislike

158 views 3 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

241 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 26, 2018 by anonymous

Transmission efficiency of a transmission line increases with the

Last answer: Transmission efficiency of a transmission line increases with the increase in power factor and voltage

0 like 0 dislike

67 views 1 answer

asked Mar 20, 2018 by anonymous

When a wave propagates on a transmission line, it suffers reflection several times at?

Last answer: When a wave propagates on a transmission line, it suffers reflection several times at sending and other end.

0 like 0 dislike

89 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

asked Mar 19, 2018 by anonymous

A transmission line is protected by?

Last answer: A transmission line is protected by distance protection, time graded and current graded overcurrent protection.

0 like 0 dislike

57 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 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 27, 2018 by anonymous

A 100 km transmission line is designed for a nominal voltage of 132 kV and consists of one

A 100 km transmission line is designed for a nominal voltage of 132 kV and consists of one conductor per phase. The line reactance is 0.726 ohm/km. The static transmission capacity of the line, in MW, would be (a) 240 (b) 132 (c) 416 (d) 720

Last answer: A 100 km transmission line is designed for a nominal voltage of 132 kV and consists of one conductor per phase. The line reactance is 0.726 ohm/km. The static transmission capacity of the line, in MW, would be 240

0 like 0 dislike

707 views 1 answer

asked May 26, 2018 by anonymous

The main consideration for operating transmission line at high voltage is

The main consideration for operating transmission line at high voltage is (a) to increase efficiency only. (b) to reduce power loss only. (c) to increase power transmission capability only. (d) All of the above

Last answer: to reduce power loss: this is because when power is generated, it is generated at a very low voltage but because it is going to be transported over a long distance it is needed to be increase in order to avoid losses on the way such as copper loss and Eddy loss.

0 like 0 dislike

446 views 1 answer

asked May 26, 2018 by anonymous

Which of the following is used for power factor improvement in transmission line ?

Which of the following is used for power factor improvement in transmission line ? (a) Three phase induction (b) An overexcited three phase synchronous motor running on no load (c) Three phase AC series motor (d) Choke

0 like 0 dislike

62 views 0 answers

asked May 22, 2020 by anonymous

State the effects of low power factor on efficiency and voltage regulation of short transmission lines.

Last answer: i) Effect of Low power factor on efficiency:- When power factor of load reduces current drawn by transmission line increases so copper losses in transmission line increases, hence transmission ... increases, so voltage drop in transmission line increases so regulation increases. (Become Poor)

0 like 0 dislike

71 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 May 8, 2018 by anonymous

The voltage of transmission can be regulated by

The voltage of transmission can be regulated by (A) Use of tap changing transformers (B) Switching in shunt capacitors at the receiving end during heavy loads (C) Use of capacitors to neutralize the effect of series reactance (D) Any of the above methods

Last answer: The voltage of transmission can be regulated by (A) Use of tap changing transformers (B) Switching in shunt capacitors at the receiving end during heavy loads (C) Use of capacitors to neutralize the effect of series reactance (D) Any of the above methods

0 like 0 dislike

59 views 1 answer

jihadio k jeeja · Answer 1 · 2017-12-06T06:06:32+0000

answered Dec 6, 2017 by jihadio k jeeja

5,As 33kv is Vrms

How many insulator disc used for 33 kV transmission voltage line?

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

Please log in or register to add a comment.

Related questions