Two identical 20 MW alternators operate in parallel. The governor of first machine is such that the frequency drops uniformly from 50 Hz on no-load to 48 Hz on full-load The corresponding uniform speed drop of the second machine is 50 Hz to 47.5 Hz How will the two machines share a load of 30 MW? B F 20 MW- Load A50 49- 48 E Freq (Hz) 47.5 C Fig. 12.100 20 MW- Load D

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Single Phase Transformer

A single-phase transformer is a type of power transformer. It is an electrical device that accepts converts the single phase alternating power into single phase alternating power. In this power conversion the voltage is stepped up or down. If the voltage is stepped up, the current will be stepped down and if the voltage is stepped down, the current will be stepped up.