Or(a) For a compound de generator, there are three windings which are shunt fieldwinding, series field winding and amature winding. Here, the windingresistances are Rah , Ra, and Ra respectively and the currents of the windingsare Ia , Ia, and Ia respectively. The current Ím is parallel to series field curentIse. For a generated voltage Eg, if the terminal voltage and terminal current atload are V and IL respectively, show that, the difference between generatedvoltage and terminal voltage equals to the combination of multiple resistivevoltage drops which are IRa, IR2, IR, and IRe.

According to question: The circuit of compound dc generator will be as given below:

Answered: Or (a) For a compound de generator,…

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.9P

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Problem 1. to. In the problem shown, calculate the Load node regulation. Assume the generator maintains its generation voltage in terminals
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In a long-shunt compound generator, the terminal voltage is 220 Vwhen generator delivers 110 A. Determine (a) induced emf and (b)total power generated. Given that shunt field, series field,diverter and armature resistances are 90 Ω, 0.025 Ω, 0.04 Ω and0.03 Ω respectively.
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A power plant comprises three turbine-generators rated 1000 MW, 800 MW and 600 MW respectively. The regulation constant of each generator is 0.05 pu based on its own rating. Each unit is initially operating at one-half of its own rating, when the system load suddenly increases by 250 MW. Calculate the following:a) Per-unit area frequency response characteristic on a 1000 MW system base [CR9]b) Steady-state drop in area frequency [CR4]c) The share of the load increase on each generator [CR9]d) Total load on each generator after the increase in system load [CR3]Assume the reference power setting of each turbine is unchanged.
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