For a 3-phase, 4-wire system having balanced supply and unbalanced load, the following sequence components are obtained: I1=200∠0° A, I2=100∠60° A°. If the Neutral current is equal to 300∠300° A, Calculate Ib." (THIS PROBLEM IS MULTIPLE CHOICE PLEASE CHOOSE ANSWER BELOW AND PROVIDE YOUR CLEAR SOLUTION!) A   0 A B   57.7350 A C   300∠-120° A D   100∠-120° A

Q: Using superposition theorem, find the magnitude of the current through R on figure below. XL m 250 Ω…

A: Superposition is applied when more than one sources are present in the system then we have to take…

Q: Van = 225∠-320°, Vbn = 225∠-200°, Vcn = 225∠-440°" (THIS PROBLEM IS MULTIPLE…

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Q: Q2/B-answer the following: 1- Determine the DFT of the sequence for 0 ≤n≤2 otherwise x(n) = 4' (0,

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Q: B. solve the following equation using Laplace transformation y' + y = sin(t) y(0) = 1

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Q: Qa) Design an astable 555 timer circuit such that the frequency is 80 kHz and the duty cycle is 10…

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Q: A coil and capacitor are connected in series. The inductive reactance is 250 W, and the capacitive…

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Q: 1. Given an ade of 0.998, determine Ic if IE = 4 mA. 2. Determine ade if IE = 2.8 mA and IB = 20 µA.…

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Q: Q3) Draw a block diagram of a SSB-SC receiver. Then derive in details the S/N ratio at the output of…

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Q: Q5: A 50-W lossless line terminated in a purely resistive load has a voltage standing wave ratio of…

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Q: A single circuit, 60 Hz, three phase transmission line has the following parameters : R = 0.30…

A: f= 60 Hz line length, l= 75 mile load power PR =40 MW at 0.8 pf lagging Receiving end voltage VR,…

Q: Q5:- Find the Inverse Laplace Transform of the following functions F(s) = S³+3s²-s-3 (s²+2s+5)2

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Q: What is the type of load connected to the terminals of the synchronous generator given in the…

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Q: 1.1 Find the relationship between Vand V in circuits a and b of figure 1 assuming b) a) R R mm W Vin…

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Q: of f(x) = x ^ 2 - 2x - 3. Start with x = 4

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Q: A rectangular waveguide has dimensions a = 6 cm and b = 4 cm. (a) Over what range of frequencies…

A: FREQUENCY : dc GIVEN THAT ; dimensions : a=6 cma=0.06mb=4cmb=0.04m

Q: a. Find the voltage VR for the circuit in Fig. 4. b. Sketch the waveforms of VR and in and Phasor…

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Q: So what is the Voutput overall?

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Fault Analysis

In an electrical engineering system, a fault is an abnormal electric current flowing through the system, and fault analysis is the study of these faults. For instance, a short-circuit is a fault where the live wire touches the ground or neutral wire. If a circuit is interrupted by a failure of a current-carrying wire then an open circuit fault occurs. The open-circuit faults are also called series faults. One or more phases or ground may be involved in a three-phase fault or may occur only between two phases. Current flows into the earth in case of a ground fault or earth fault. For most situations, the prospective short circuit current of a fault that is predictable can be calculated. To limit the loss of service because of a failure, the protective devices can detect fault conditions and operate circuit breakers and also other devices. All phases equally can be affected in a poly-phase system which is known as symmetric electrical fault. The asymmetric fault becomes more complicated to analyze if only some phases are affected. By using methods such as symmetrical components, the power system analysis of these types of faults is often simplified. The main objective of power system protection is to design, detect, and interrupt power system faults.