A shunt generator delivers 450 A at 230 V and the resistance of the shunt field and armature a 50 $Ω$ and 0.03 $Ω$ respectively. Calculate the armature current and generated emf.

West Zone Power Distribution Company Limited (WZPDCL) - AE (EEE) (10-01-2026) ইলেকট্রিক্যাল এন্ড ইলেকট্রনিক্স ইঞ্জিনিয়ারিং (EEE)

Created: 1 week ago | Updated: 1 week ago

Updated: 1 week ago

Ans :

Current through shunt field winding is I_sh = $\frac{230}{50}$ = 4.6 A

Armature current, l_a = I + I_sh = 450+4.6 = 454.6 A

Armature voltage drop, $I_{a} R_{a} = 454.6 \times 0.03 = 13.6 V$

Generated emf voltage, $E_{g} = V + l_{a} R_{a} = 230 + 13.6 = 243.6 V$

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Question:
A shunt generator delivers 450 A at 230 V and the resistance of the shunt field and armature a 50 $Ω$ and 0.03 $Ω$ respectively. Calculate the armature current and generated emf.

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Maximum Power Transfer Theorem :

In electrical engineering, the maximum power transfer theorem states that, to obtain maximum external power from a power source with internal resistance, the resistance of the load must equal the resistance of the source as viewed from its output terminals.

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For t<0, the switch is closed.

Capacitor acts as open to DC.

Voltage across the capacitor,

v(0^-)= {(12||4)×V}÷{(12||4)+6} = 8VFor t=0, the switch is opened,Voltage across the Capacitor cannot change instantaneously,So, v(0^-)= v(0) = 8VAt t>0, The capacitor is discharging.R_th= (12||4) = 3 ohmC= 1/6 FTime constant, Π = R_th×C = 0.5 So, v(t) = v(0)e^-t/Π = 8e^-t/0.5=8e^-2tV (Ans.)

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A shunt generator delivers 450 A at 230 V and the resistance of the shunt field and armature a 50 $Ω$ and 0.03 $Ω$ respectively. Calculate the armature current and generated emf.

Question:
A shunt generator delivers 450 A at 230 V and the resistance of the shunt field and armature a 50 $Ω$ and 0.03 $Ω$ respectively. Calculate the armature current and generated emf.

ইলেকট্রিক্যাল এন্ড ইলেকট্রনিক্স ইঞ্জিনিয়ারিং (EEE)

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Hi, আমি SATT AI!

A shunt generator delivers 450 A at 230 V and the resistance of the shunt field and armature a 50 Ω and 0.03 Ω respectively. Calculate the armature current and generated emf.

Question: A shunt generator delivers 450 A at 230 V and the resistance of the shunt field and armature a 50 Ω and 0.03 Ω respectively. Calculate the armature current and generated emf.

ইলেকট্রিক্যাল এন্ড ইলেকট্রনিক্স ইঞ্জিনিয়ারিং (EEE)

Related Question

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Satt AI

Hi, আমি SATT AI!

A shunt generator delivers 450 A at 230 V and the resistance of the shunt field and armature a 50 $Ω$ and 0.03 $Ω$ respectively. Calculate the armature current and generated emf.

Question:
A shunt generator delivers 450 A at 230 V and the resistance of the shunt field and armature a 50 $Ω$ and 0.03 $Ω$ respectively. Calculate the armature current and generated emf.

1
Find currents I and I₁ in the following circuit.

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Determine the Thevenin's equivalent circuit at terminal X-Y of the following circuit.

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If the switch in the following circuit opens at t = 0, find v(t) for t≥ 0 and the initial energy stored in the capacitor.

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Show that a series RL circuit is a low pass filter if the output is taken across the resistor. Calculate the cut-off frequency (f_c) if L = 2 mH and R = 10 kΩ.

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Compute the average and effective values of the square voltage wave shown in the following figure.