High Voltage DC (HVDC) transmission is mainly used for

High Voltage DC (HVDC) transmission is mainly used for 

(A) bulk power transmission over very long distances (C) inter-connecting two systems with same nominal frequency (C) eliminating reactive power requirement in the operation (D) minimizing harmonics at the converter stations
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1 Answer

Answer :

High Voltage DC (HVDC) transmission is mainly used for bulk power transmission over very long distances 

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Related questions

Choose two appropriate auxiliary components of a HVDC transmission system from the following P. D.C line

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An HVDC link consist of rectifier, inverter transmission line and other equipments. Which one of the following

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Limitation and application of High Voltage DC (HVDC)

Description : Limitation and application of High Voltage DC (HVDC)

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In voltage source converter based HVDC transmission system the active power is controlled by changing

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HVDC transmission line in India:

Description : 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 

HVDC transmission is preferred to EHV AC because

Description : HVDC transmission is preferred to EHV AC because  (a) HVDC terminal equipments are inexpensive  (b) VAR compensation is not required in HVDC systems  (c) System stability can be improved  (d) Harmonic problem is avoided 

Last Answer : C- system stability can be improved

Which of the following is TRUE with respect to HVDC transmission line?

Description : Which of the following is TRUE with respect to HVDC transmission line? (A) For a short distance it is economical over HVAC. (B) In HVDC system, harmonics are not generated. (C) Use of HVDC can improve system stability. (D) Less and cheap terminal, equipments are required in HVDC.

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Bulk power transmission over long HVDC lines is preferred because of

Description : Bulk power transmission over long HVDC lines is preferred because of

Last Answer : Bulk power transmission over long HVDC lines is preferred because of Low cost of HVDC terminal

For an existing ac transmission line, the string efficiency is 80%, if dc...

Description : For an existing ac transmission line, the string efficiency is 80%, if dc voltage is supplied for the same setup, the string efficiency will be?

Last Answer : 100%

In a DC transmission line?

Description : In a DC transmission line?

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For a fixed value of complex power flow in a transmission line having a sending and voltage V, the real

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

Description : 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

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Bundled conductors are mainly used in high voltage overhead transmission lines to

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Last Answer : Bundled conductors are mainly used in high voltage overhead transmission lines to Reduce corona 

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

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In order to reduce the harmful effects of harmonics on the AC side of a high voltage DC transmission system...

Description : In order to reduce the harmful effects of harmonics on the AC side of a high voltage DC transmission system_____ are provided. (A) synchronous condensers (B) shunt capacitors (C) shunt filters (D) static compensators

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A homo-polar HVDC link consists of

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What are the advantages of HVDC?

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Last Answer : HVDC have following advantages : 1. Improved stability. 2. Fast control of power flow. 3. Only two conductor is required. 4. If we use ground as return then only ... conductor can be use because skin effect is absent in HVDC . These are some advantages of HVDC.

A DC reactor is connected in series with each pole of a converter station in order to:

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The function of the earth wire in an extra high voltage line is to?

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A 20-MVA, 6.6-kV, 3-phase alternator is connected to a 3-phase transmission line. The per unit

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A 800 kV transmission line is having per phase line inductance of 1.1 mH/km and per phase line capacitance

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A generator is connected through a 20 MVA, 13.8/138 kV step down transformer, to a transmission line.

Description : A generator is connected through a 20 MVA, 13.8/138 kV step down transformer, to a transmission line. At the receiving end of the line a load is supplied through a step down transformer of 10 MVA, 138/69 kV rating. A 0.72 ... load (in per unit) in generator will be (A) 36 (B) 1.44 (C) 0.72 (D) 0.18

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Which of the two generalized constants of a transmission line are equal?

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Precise control of reactive current flow entering the transmission and distribution systems can be minimized

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For a transmission line with negligible losses, the lagging reactive power...

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A long overhead transmission line is terminated by its characteristic...

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The time taken for a surge to travel a 600 km long overhead transmission line is?

Description : The time taken for a surge to travel a 600 km long overhead transmission line is?

Last Answer : The time taken for a surge to travel a 600 km long overhead transmission line is 0.002s.

A lossless radial transmission line with surge impedance loading?

Description : A lossless radial transmission line with surge impedance loading?

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The line conductor of a transmission line has an overall diameter of ...

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An overhead transmission line has a span of 240m between level ...

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A transmission line conductor at a river crossing is supported from two...

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If in a short transmission line, resistance and inductance are found to be...

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A three phase over head transmission line has its conductors horizontally...

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A single-phase transmission line of impedance j 0.8 ohm supplies a resistive...

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If a voltage-controlled bus is treated as load bus, then which one of the following limits would be

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