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The sensitivity of a node to real power changes is 100 MW/kV of line voltage and that to reactive power changes is 10 MVAr/kV

The sensitivity of a node to real power changes is 100 MW/kV of line voltage and that to reactive power changes is 10 MVAr/kV of line voltage. (v) How much reactive compensation would have to be introduced at a point to maintain the voltage constant for a real power change of 55MW?

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