VF=240 V +0 IF Radj www RF = 75 02 LF O IA EA RA ww 0.19 Ω FIGURE P8-3 The equivalent circuit of the separately excited motor in Problems 8-8 and 8-9. V₁ = 120 to 240 V For Problems 8-8 and 8-9, the shunt de motor is reconnected separately excited, as shown in Figure P8-3. It has a fixed field voltage V, of 240 V and an armature voltage V₁ that can be varied from 120 to 240 V. 8-8. What is the no-load speed of this separately excited motor when Radj = 175 n and (a) VA= 120 V, (b) VA = 180 V, (c) V₁ = 240 V?
VF=240 V +0 IF Radj www RF = 75 02 LF O IA EA RA ww 0.19 Ω FIGURE P8-3 The equivalent circuit of the separately excited motor in Problems 8-8 and 8-9. V₁ = 120 to 240 V For Problems 8-8 and 8-9, the shunt de motor is reconnected separately excited, as shown in Figure P8-3. It has a fixed field voltage V, of 240 V and an armature voltage V₁ that can be varied from 120 to 240 V. 8-8. What is the no-load speed of this separately excited motor when Radj = 175 n and (a) VA= 120 V, (b) VA = 180 V, (c) V₁ = 240 V?
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![VF=240 V
+0
IF
Radj
www
RF = 75 02
LF
O
IA
EA
RA
ww
0.19 Ω
FIGURE P8-3
The equivalent circuit of the separately excited motor in Problems 8-8 and 8-9.
V₁ = 120 to 240 V
For Problems 8-8 and 8-9, the shunt de motor is reconnected separately excited, as shown
in Figure P8-3. It has a fixed field voltage V, of 240 V and an armature voltage V₁ that can
be varied from 120 to 240 V.
8-8. What is the no-load speed of this separately excited motor when Radj = 175 n and
(a) VA= 120 V, (b) VA = 180 V, (c) V₁ = 240 V?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc012e98d-11f3-4ebf-9e91-31a87ace6c91%2F8924baa4-2918-4317-ba9f-f92e5e49edd7%2F5iext9c_processed.png&w=3840&q=75)
Transcribed Image Text:VF=240 V
+0
IF
Radj
www
RF = 75 02
LF
O
IA
EA
RA
ww
0.19 Ω
FIGURE P8-3
The equivalent circuit of the separately excited motor in Problems 8-8 and 8-9.
V₁ = 120 to 240 V
For Problems 8-8 and 8-9, the shunt de motor is reconnected separately excited, as shown
in Figure P8-3. It has a fixed field voltage V, of 240 V and an armature voltage V₁ that can
be varied from 120 to 240 V.
8-8. What is the no-load speed of this separately excited motor when Radj = 175 n and
(a) VA= 120 V, (b) VA = 180 V, (c) V₁ = 240 V?
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