Example( 1.8): The following is the magnetic (c/s) of a D.C. generator driven at 1000 r.p.m. If (A) 1 6 8 10 E. (V) 160 260 390 472 522 550 Determine: (i) The voltage to which it will excite on open circuit. (ii) The approximate value of the critical resistance of shunt circuit. (iii) The terminal potential difference and load current for a load resistance of 4N the armature and field resistance are 0.4 and 60 2 respectively.

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Example( 1.8): The following is the magnetic (c/s) of a D.C. generator
driven at 1000 r.p.m.
If (A)
1
2
4
6
8
10
E. (V)
160
260
390
472
522
550
Determine:
(i)
The voltage to which it will excite on open circuit.
(ii)
The approximate value of the critical resistance of shunt circuit.
(iii) The terminal potential difference and load current for a load
resistance of 4N the armature and field resistance are 0.4 2 and
60 N respectively.
Transcribed Image Text:Example( 1.8): The following is the magnetic (c/s) of a D.C. generator driven at 1000 r.p.m. If (A) 1 2 4 6 8 10 E. (V) 160 260 390 472 522 550 Determine: (i) The voltage to which it will excite on open circuit. (ii) The approximate value of the critical resistance of shunt circuit. (iii) The terminal potential difference and load current for a load resistance of 4N the armature and field resistance are 0.4 2 and 60 N respectively.
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