A 100kW, 230V, shunt generator has an armature resistance and field resistance of 0.050 and 57.50. If the generator operates at rated voltage with SPL at 1.8kW, calculate the following: a) Machines' efficiency of conversion. b) At what load does the generator achieve maximum efficiency c) What is the value of this maximum efficiency?

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A 100kW, 230V, shunt generator has an armature resistance and field resistance of
0.050 and 57.50. If the generator operates at rated voltage with SPL at 1.8kW, calculate
the following:
a) Machines' efficiency of conversion.
b) At what load does the generator achieve maximum efficiency
c) What is the value of this maximum efficiency?
Transcribed Image Text:A 100kW, 230V, shunt generator has an armature resistance and field resistance of 0.050 and 57.50. If the generator operates at rated voltage with SPL at 1.8kW, calculate the following: a) Machines' efficiency of conversion. b) At what load does the generator achieve maximum efficiency c) What is the value of this maximum efficiency?
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