A power plant generator produces a 1200V, 40 ampalternating current that is fed

Question

A power plant generator produces a 1200V, 40 ampalternating current that is fed to a step up transformer beforetransmission over high lines. The transformer has a ratio of200 to 1 wile loops. a) What is the voltage of the transmitted power b) What is the current A power plant generator produces a 1200V, 40 ampalternating current that is fed to a step up transformer beforetransmission over high lines. The transformer has a ratio of200 to 1 wile loops. a) What is the voltage of the transmitted power b) What is the current

Explanation / Answer

   Given   NS /NP   =   200 / 1    VP   =   1200   V,   IP   =   40   A   a.    VS /VP   =       NS/ NP               VS/ 1200   =   200 /1          Voltage atsecondary   VS   =   1200* 200   =   2.4 *105   V   =   240   kV    b.   IP /IS   =    NS/ NP             IS   =   IP* NP /NS   =   40 * 1 /200   =   0.20   A

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