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?

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

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Power Systems
In a pressurized water reactor

 water is used at high pressure so that it is available is liquid from at about 280° C.
  both B and C.
 heavy water is used as both coolant and moderator.
 the coolant water boils in the reactor core.

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