Power Systems
A network containing 100 buses in which 10 are the voltage control buses, 5 are fixed shunt capacitor buses, 20 are the reactive power support buses, 6 are the generator buses. Find the size of the Jacobian matrix?

 162 × 162
 163 × 163
 165 × 165
 164 × 164

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Power Systems
The advantage of hydro electric power station over thermal power station is

 hydro electric station can be constructed at the place where the energy is required
 the operation cost of hydro electric power station is low
 hydro electric power station can supply the power throughout the year
 the initial cost of hydro electric power station is low

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Power Systems
An impulse turbine

 always operates submerged.
 makes use of a draft tube.
  operates by initial complete conversion to kinetic energy.
 is most suited for low head and high discharge power plants.

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