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In the UK, 11-kV power lines are part of the distributionsystem, not the transmission system. The system is split as follows:

  • transmission-system voltages: 400 kV, 275 kV, and 132 kV.
  • primary-distribution system voltages: 66 kV and 33 kV.
  • secondary-distribution system voltages: 11 kV and 400/230 V
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11y ago
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13y ago

to reduce the cable size, the higher the volts the smaller the cable.look at car battery cables,in mains cable rating,240v the same size would supply a flat.

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Q: Why electric power generate at 11 kv?
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Electric power transmission what does kv stand for?

kv stands for kilovoltage


Why only 11kv is used in power systems transmission line?

It isn't. In the UK, transmission and distribution voltages are 400 kV, 275 kV, 132 kV, 66 kV, 33kV, and 11 kV.


Electric power distribution system?

The electricity supply system is divided into the transmission system and the distributionsystem. The distribution system is the part of the system which supplies the consumer -in the UK, we are talking about voltages of 33 kV, 11 kV, and 400/230 V.


What is the maximum power generated in India?

11 kv


Why do you represent the voltages ranges in terms of 11kilo Volt in power system?

It used to be a convention to add 10% to allow for transmission losses, so the voltages were always described as 11 kV, 33 kV, 66 kV and 132 kV. Later standards in the UK grid are 275 kV, which is a multiple of 11, and 400 kV which is not.


Why Indian power system in multiples of 11kv?

Multiples of 11 kV are used in many countries. The idea is to deliver a round number of volts so you add on 10% to allow for line losses. So 10 kV becomes 11 kV. In practice lines are operated without a 10% voltage drop now because it represents an unacceptable waste of energy, but we have stuck with 11 kV etc. Common supply voltages used for area distribution are 6.6 kV, 11 kV, 33 kV, 66 kV and 132 kV.


What is one minute withstand power frequency voltage for 11 KV vacuum circuit breaker?

it means the rms value of 11 kv that vacuum C.B. can withstand it during 1 minute


What is voltage in rotor of 11 KV AC generator?

Star (or 'wye') connected alternators have a phase voltage of 6.35 kV, and a line voltage of 11 kV. Incidentally, it's 'kV', not 'KV'.


What happens if the conductor and the semiconductor layer is shorted in 11 KV power cable?

Short Circuit


Why is the primary of a transformer 11kv?

It isn't necessarily the case. In the UK electricity distribution system, you have 33/11-kV step-down tranformers (where 11 kV is the secondary side) or 11-kV/400-230-V step-up transformers (where 11 kV is the primary side).


How 33kv power converts into 440volts?

33 kV (not 'kv'!) is the standard primary-distribution voltage used in the UK's electricity supply system. Low voltage (400/230 V -not 440 V) is normally provided by transformers supplied from the 11-kV system, not the 33-kV system.


How do you tell the difference from 13.2 kv power line to 4.8 kv power line?

The higher-voltage line will have longer insulators and the line conductors will be further apart. And the symbol for kilovolt is 'kV', not 'kv'.