Determine the steady-state frequency deviation

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Reference no: EM13258095

A single area consists of two generating units rated (unit 1) 600 MVA with speed regulation R1 =0.07 per-unit on its MVA base and (unit 2) 500 MVA with R2 = 0.04 per-unit on its MVA base. The units are operating in parallel at 60 Hz with unit 1 supplying 600 MW and unit 2 supplying 300 MW. Let the load be increased by 90 MW. Assuming that there is no frequency-dependent component of the load (i.e., D = 0), find the steady-state frequency deviation and the corresponding new generation of each unit. Use 1000 MVA as the p. u. (per-unit) base.

Reference no: EM13258095

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