2. A d.c. shunt generator running at 850 r.p.m. gave the followig O.C.C. data : Field current (A) 0.5 1 3 4 E.M.F. (V) 10 60 120 199 232 248 258 If the resistance of the shunt field is 50 2, determine the additional resistance required in the shunt field circuit to give 240 V at a speed of 1000 r.p.m. [64.3 Q)

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Author:Robert L. Boylestad
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2.
A d.c. shunt generator running at 850 r.p.m. gave the followig 0.C.C. data :
Field current (A)
0.5
1
2
3
4
5
Е.М.Е. (V)
10
60
120
199
232
248
258
If the resistance of the shunt field is 50 Q, determine the additional resistance required in the shunt field
circuit to give 240 V at a speed of 1000 r.p.m.
[64.3 Q)
Transcribed Image Text:2. A d.c. shunt generator running at 850 r.p.m. gave the followig 0.C.C. data : Field current (A) 0.5 1 2 3 4 5 Е.М.Е. (V) 10 60 120 199 232 248 258 If the resistance of the shunt field is 50 Q, determine the additional resistance required in the shunt field circuit to give 240 V at a speed of 1000 r.p.m. [64.3 Q)
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