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Question

Which of the following is the wrong statement in terms of slack bus? 

A.

voltage and angle is specified at this bus

B.

it should be the largest generator bus in the system 

C.

it should be located at the centre of the area 

D.

it has finite reactive power generation capability

Answer ( Option D)

it has finite reactive power generation capability

Solution

A slack bus can be considered as a generator bus or as the reference bus.

Since it is reference bus it gives the voltage profile at    i.e. voltage and angle specified in this unit.

In general largest generating unit can be considered as a reference bus.

It should be located at the centre of all the generating units.

It always gives the power loss of power system network. Reactive power can not possible in slack bus.

Hence, the correct option is (D).

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