Q/ A 220-V, 10 Kw d.c. shunt motor runs at 480 r.p.m. Ea 205 V .Calculate (1) the motor efficiency (2) Stray and mechanical losses (3) If the generated voltage is increased to 210 V what will be the...

Q/ A 220-V, 10 Kw d.c. shunt motor runs at 480 r.p.m. Ea 205 V .Calculate (1)<br>the motor efficiency (2) Stray and mechanical losses (3) If the generated voltage is<br>increased to 210 V what will be the new speed (assume that the motor flux remains<br>constant) Given that Ra = 0.2 2, Rh = 250 2.<br>

Extracted text: Q/ A 220-V, 10 Kw d.c. shunt motor runs at 480 r.p.m. Ea 205 V .Calculate (1) the motor efficiency (2) Stray and mechanical losses (3) If the generated voltage is increased to 210 V what will be the new speed (assume that the motor flux remains constant) Given that Ra = 0.2 2, Rh = 250 2.

Jun 11, 2022

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Q/ A 220-V, 10 Kw d.c. shunt motor runs at 480 r.p.m. Ea 205 V .Calculate (1) the motor efficiency (2) Stray and mechanical losses (3) If the generated voltage is increased to 210 V what will be the...

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