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due to the form factor .as the form factor of sine wave is 1.1 so, we use its multiples .

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Q: Why voltage generation and distribution in multiples of 11?
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Why transmission voltage always be multiple of 11?

34.5, 69, 115, 161, 230, 345, 500kV are all common transmission (and distribution) voltages. They aren't all multiples of 11.Additional CommentI think that the questioner is British because, in the UK, most transmission and distribution voltages are multiples of 11. These are 11 kV, 33 kV, (66 kV*), and 275 kV. The exception is the highest transmission voltage of 400 kV.(*66 kV is less common these days)


What is the function of transformer 33kv?

A '33-kV transformer' is a three-phase primary-distribution transformer, used in the UK's electricity system to step down the 33-kV primary-distribution voltage to the 11-kV secondary-distribution voltage -the lowest voltage used in the high-voltage distribution system. These transformers are categorised as 'power transformers', and are located in what are termed 'primary substations'.


Why power distribution is always in multiples of 11 i.e 11kW or 22kW or 33kW?

coz formfactor of sinewave is 1.1.


Why you transfer voltage is 11kv33kv66kv?

All sinusoidal AC voltages are multiples of 1.1. This is due to the form factor, which is the ratio of the quadratic mean value of the voltage with the average voltage, which is pi/2√2=1.1 (approximately). It also provides the most economic means of constructing step up/down transformers.AnswerIn the UK, 33 kV (along with 66 kV) is considered to be a primary distribution voltage level, whereas 11 kV is secondary distribution voltage level. Incidentally, the correct symbol for 'kilovolt' is 'kV', not 'kv'.


What are the multiples of 11 and 15?

multiples of 11 11,22,33,44,55,,66,77,88,99 multiples of 15 15,30,45,60,75,90


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.


Why electricity is generated converted transmitted mostly in multiples of 11 volts?

More like multiples of 110 volts... 110 volts is the voltage of standard house current, so handling it in even multiples of 110 makes it easier to build transformers to step it up and down.


Why the generation voltage is 11kv not 10kv?

Alternator output voltages are typically restricted to around 25 kV to limit their physical size and the centrifugal forces to which they are subjected. In the UK, this voltage is then typically raised to 400 kV for transmission.The voltages to which you are referring to are typical of the voltages used in the UK's high-voltage distribution system. 'Grid' substations typically transform transmission voltages of 132 kV down to 33 kV (or, less commonly, 66 kV), and 'primary' substations then transform distribution voltages of 33 kV down to 11 kV.


What are the common multiples of 11 and 37?

They are: 407 and its multiples


What are the first 5 multiples of 11?

11, 22, 33, 44, and 55 are the first five multiples for eleven


What are all the common multiples of 4 and 11?

The common multiples of 11 and 4 are 88, and 4.


What is 11 kV single phase?

for USA, Canada and other countries running a 60 Hz supply service.A 11kV single phase line is one phase of a three phase system. The three phase system voltage is found by multiplying 11kV x 1.73. The three phase primary system voltage is 19kV. A transformer with a 11 kV primary can have a secondary of 115/230 depending on the internal connections in the transformer's case.For the UK11 kV is the standard three-phase h.v. distribution voltage in the UK, where it is a line voltage (i.e. it is the voltage measured between any pair of the three line conductors). A single-phase distribution transformer is connected between any two lines, so 'single-phase 11-kV' is simply a connection made between any two lines of an 11-kV three-phase system.As the primary windings of three-phase 11-kV distribution transformers are delta (3-wire) connected, the primary phase voltage is numerically equal to the primary line voltage (11 kV).