A three-phase squirrel cage induction motor has a starting torque of 150% and a maximum torque of 300% with respect to rated torque at rated voltage and rated frequency. Neglect the stator resistance and rotational losses. The value of slip for maximum torque is

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Q: Q.1 Consider the circuit shown in the figure below: V₂ ww+ 50 92 600 Ω ww 300 92 Let V₁ = 40 V and i…

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Q: QUESTION 10 What is the PIV thru each diode? Use approximate diode model. 110Vrms O 31.11V O 30.41V…

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Q: ht) x 2 (1) 909日 p(1) (1)X X+ [ -we (2) H (1)d In 1 wo 0 WB 3 (1) K

A: Given relation between input and output: Plot of H1(ω) x(t)=Saωβt2 p(t)=Cos(ω0t) h2(t)=Saω0t2

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A: I have written this solution as handwritten solution. Hope you find the solution clear.

Q: 1) Find the phasor representations of a. v()--170 sin(2760/ -60°) V V = -170 w t60 Q = -60° b. v(t)…

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Q: find the following:

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Q: 4. Without determining the DFT X[k] of the time-limited sequence 5 -4 -1 5 1 -3 1 5 find the…

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Q: An amplifier with open loop gain of 2x10, closed loop gain of 200 and if the open loop output…

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Q: Design a collector feedback bias circuit to get the Q point ICQ = 1mA and VCEQ = 6V

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Q: 11=8 A (9) 14 12, R1=300 www R3= 100 13 R2= 240 15 R4=80 Resp: 12=3 A; 13=5 A; 14=3 A: 15= 8 A

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Q: 4. If the system shown in Fig.04 is an LTI system, then (a) Find out the expression of and then…

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Q: Problem #5 Vin L mm 100mH R1 100 Ω HH C 20uF SR2 1000 Vout a) By applying generalized impedances…

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Q: 1602 is (↑) Ω 20 Ω www XIA + 40 mi 80 ΩΣ 40 ΩΣ a b

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Q: can you do d and e as well

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Q: What are the advantages & Disadvantages of Hydroelectric Power Plant ?

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Q: Question-1 Consider the following circuit, and given: Vin(t) 2) Vin(t) = (-2e-t cos(5t) + 5e-3t…

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Q: In the circuit Vbe(on) = 0.7 V, Vce(sat) = 0.2 V and Beta-=200 Vcc = 9V Rc =1k and Rb = 10K a.)…

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Q: Question-2 Consider the following circuit, and given: lin(s) Iin (s) = 1) ↑ 2s-1 (s + 1)(s² +25) 400…

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Q: Question-2-- Consider the following circuit where R₁ R₁ Vin 1) Given that: Vin (s) = + m =…

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Speed control of motor

Speed control by DC motor-speed controller is required to realize variable speed drive. Whenever a motor drives a particular load, it is called drive, and variable speed drive refers to a load requiring variable speed. All this is obtained by a DC motor speed controller.