041 A single area consists of two generating units, unit 1 of 600 MVA with speed regulation of 6% pu/MVA and unit 2 of 500 MVA with speed regulation of 4% pu/MVA, they are operating in parallel, sharing 900 MW at 60 Hz. Unit 1 supplies 500 MW and unit 2 supplies 400 MW at 60 HZ. The load is increased by 90 MW (a) assume D-0. Find frequency deviation and the new generation on each unit. (b) The load varies 1.5% every 1% change in frequency (i.e. D=1.5). Find the steady-state frequency deviation and the new generation on each unit.
041 A single area consists of two generating units, unit 1 of 600 MVA with speed regulation of 6% pu/MVA and unit 2 of 500 MVA with speed regulation of 4% pu/MVA, they are operating in parallel, sharing 900 MW at 60 Hz. Unit 1 supplies 500 MW and unit 2 supplies 400 MW at 60 HZ. The load is increased by 90 MW (a) assume D-0. Find frequency deviation and the new generation on each unit. (b) The load varies 1.5% every 1% change in frequency (i.e. D=1.5). Find the steady-state frequency deviation and the new generation on each unit.
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Transcribed Image Text:041 A single area consists of two generating units, unit 1 of 600 MVA with speed regulation
of 6% pu/MVA and unit 2 of 500 MVA with speed regulation of 4% pu/MVA, they are
operating in parallel, sharing 900 MW at 60 Hz. Unit 1 supplies 500 MW and unit 2 supplies
400 MW at 60 HZ. The load is increased by 90 MW (a) assume D=0. Find frequency deviation
and the new generation on each unit. (b) The load varies 1.5% every 1% change in frequency
(i.e. D=1.5). Find the steady-state frequency deviation and the new generation on each unit.
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