Q2. The current IcA in a balanced 3-phase A-connected load is 16 < -45°. If the phase sequence is positive, what is the value of Icc?
Q: transformer-coupled class A amplifier drives a 16 Ω speaker through a 3.87:1 transformer. Using a po...
A: Given data, Turn ration of transformer n=3.87 Power supply voltage Vcc=36 V Power delivered to the l...
Q: What is transformer ?
A: The electrical device could be a voltage management device that's normally utilized in electrical en...
Q: Question Three! For the electrical network shown in Figure Q3. Find vo(t) for t>0. را م t = 0 3 H vo...
A: Transient analysis of an energy storage electrical circuit is very important.The energy storage circ...
Q: (c) A balanced three-phase wye-connected load is connected to a balanced three-phase delta-connected...
A:
Q: Calculate the total inductance (LT) of the coils in the circuit below where L1 = 10 mH, L2 = 75 mH %...
A: In this question series connected coils given with self inductances ..We have to find out total indu...
Q: As, we have learned during the lectures that an op amp combined with a balanced resistance bridge he...
A: We know, that an operational amplifier combined with a balanced resistance bridge helps the circuit ...
Q: A 2-pole d.c shunt motor operating from a 200 V supply takes a full-load current of 35 A, the noload...
A: Given: A 2-pole d.c shunt motor operating from a 200 V supply takes a full-load current of 35 A, the...
Q: Simplify the following functions and implement them with two-level NAND gate circuits: F(A,B,C,D) =...
A:
Q: Determine V, I and the Power absorbed by each element in the given circuit.
A: Given circuit shown
Q: Determine the current I and the power dissipated in the 50-ohm resistor. Use superposition theorem. ...
A: This question belongs to circuit theory . It is based on the concept of super position theorem . Acc...
Q: nominal resistance value of 0.62ohms and 5% tolerance? A. Blue, brown, gold, silver B. Blue Red, S...
A:
Q: A wire of resistivity 2.8 x 10^-8 ohm. m and length 20-m must dissipate electrical energy at a rate ...
A:
Q: QUESTION 5 Correct the power factor for a motor connected in series with a 120V RMS 60HZ power suppl...
A: This question belongs to network theory . It is based on the concept of power factor correction for ...
Q: If 2μA of current flows through a component for 5ms, what will be the charge in that component
A:
Q: What is the maximum frequency variation of a 6MHz crystal with a precision of 100 ppm?
A:
Q: mb 言=? 2. 6m- = ? for 2m +20 n/m -4n Cm2 Prob, 2, 3 charyed sphencal skells
A:
Q: A 30 kW, 300V d.c. shunt generator has armature and field resistances of 0.05 0 and 100 0 respective...
A:
Q: nverse Laplace transform of the following functions 10 (b) G(s) = (s+1) (s+3) 2(s+1) (d) G(s) = s(s ...
A: The solution is given below
Q: Determine V, and I for the networks of Fig. 2.161. 1 V +16 V Si Si GaAs Si Si I kn 4,7 k2 4 V (a) (b...
A:
Q: Question 4b Magnetic fields are characterized by the existence of a detectable magnetic force at eve...
A: According to the question, we need to discuss one of the industrial applications of the magnet.
Q: Practice Problem 3.3 Find v and i in the circuit of Fig. 3.11. 6 V 4Ω Answer:-400 mV, 2.8 A. ww 14V ...
A: Supernode If an independent voltage source or a dependent voltage source is connected between two no...
Q: 1. Find the Laplace transform a) f(x) = x5 e¬x
A: Given function: fx=x5e-x
Q: (a) Based on the relationship between the line and phase value of currents and voltage, show that th...
A: By using three phase balanced circuit expressions
Q: Here x = 3 1. What is the device model and parameter when operating in region A? 2. What is the devi...
A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts f...
Q: Deter mine the temperature coeffieient of a 5V (rated 25°C Valve) if the nominal voltage drops to 4....
A: Temperature coefficient defined as the change in the voltage value of the zener diode with respect t...
Q: 4. Find VAD, and give the color code for all the resistors.
A:
Q: Initial conditions for the circuit below: switch is open and capacitor is uncharged. Determine the i...
A: GIVEN: R1=4ΩR2=4ΩR3=5ΩR4=3ΩV=10V FIND: initial and steady state current through ea...
Q: (а) (i) , UTM Explain the term 'permeability' and what is the unit used? M TM (iii) Sketch suitable ...
A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts f...
Q: Consider a closed loop system with zero order hold.consider Gp(s)=400/s2+400.determine the closed lo...
A: Given a closed-loop system with zero-order hold,
Q: (b) Figure Q1(b) shows an AC circuit. Given the voltage, V. across the impedance Za is 111.803 2- 41...
A: It is given that: Va=111.803∠-41.57° V
Q: QI U. UTMA) Based on electrical DC circuit as depicted in Figure QI(a). (i) UT Determine the mesh cu...
A:
Q: A coil has a resistance of 14 Q at 50°C. If the temperature coefficient of resistance at 0°C is 0.00...
A: Given a coil has, AT temperature, T1=50 °C Resistance, R1=14 Ω Temperature coefficient at 0 °C is, α...
Q: 82 I2 ww 20 100V 10 202 152 V2 102
A: Parameters to analyze two-port network Impedance parameter Admittance parameter h parameter g param...
Q: i V1 R +
A: Given circuit shown i=3 A R=3 Ω
Q: 34. Which of the following is not a technique for FM demodulation? a) Phase locked discriminator b) ...
A: In this case, from the given options, the technique which is not an FM demodulation technique needs ...
Q: j50 2 -j5 2 50 Ω. (1)5410° A Za Va j100 2. Figure Q1(b) +
A:
Q: (b) A balanced Y-connected load has phase voltage of 230 V and positive phase sequence. The impedanc...
A: Given data is
Q: A 24-V secondary of a transformer is connected to a half-wave rectifier and a 50 ohms load device. ...
A: In this question, A 24-V secondary of a transformer is connected to a half-wave rectifier and a 50 ...
Q: 2. For the following circuit, find Vout with no load and with a 100 ko load for each of the followin...
A: The nominal value of the resistance R1 = 68 kΩ The output an no load and with load will not be equal...
Q: Problem 3.24 For the circuit shown in Fig. 3.86, find the current i, in the 2 resistor by using Thev...
A:
Q: An ac supply of 220 V is applied to a Ha wave rectifier circuit through a transforme of turn ratio 1...
A:
Q: A planar waveguide has a film index of 1.48 and a cladding and substrate index of 1.46. Estimate the...
A: A wave guide is a structure that allows Electro Magnetic Energy to be guided.A communication system'...
Q: etween the line and phase value of currents and voltage, Q2 show that the active power input to a th...
A: The solution is given below
Q: QUESTION 5 Correct the power factor for a motor connected in series with a 120V RMS 60HZ power suppl...
A:
Q: A wire of resistivity 2.8 x 10^-8 ohm. m and length 20-m must dissipate electrical energy at a rate ...
A: The solution is given below
Q: 34. 35. Calculate the secondary voltage and current for the transformer shown in Figure 10.54a. Ip I...
A: for a transformer , primary voltage VPsecondary voltage VS = Primary turns Npsecondary turns NS = se...
Q: 5 UTMA) Based on electrical DC circuit as depicted in Figure Q1(a), QI UTM UTM as (i) 8 UTM 8 UTM (i...
A: This question belongs to circuit theory . It is based on the concept of mesh analysis . Mesh analysi...
Q: (b) A balanced Y-connected load has phase voltage of 230 V and positive phase sequence. The impedanc...
A: By using basic three phase balanced circuit expressions
Q: why does the noise level in the GNSS/GPS Double Difference (DD) observation Data increase by 2 times...
A: “Since you have asked multiple questions, we will solve the first question for you. If you want any ...
Q: What will be the MMF required to produce a flux density of 0.88 T in an air gap of 8 mm?
A: Given: Magnetic flux density, B = 0.88 T Air gap length, L = 8 mm For air, μr=1
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
- Let a series RLC network be connected to a source voltage V, drawing a current I. (a) In terms of the load impedance Z=ZZ, find expressions for P and Q, from complex power considerations. (b) Express p(t) in terms of P and Q, by choosing i(t)=2Icost. (c) For the case of Z=R+jL+1/jC, interpret the result of part (b) in terms of P,QL, and Qc. In particular, if 2LC=1, when the inductive and capacitive reactances cancel, comment on what happens.The three-phase source line-to-neutral voltages are given by Ean=100,Ebh=10+240, and Ecn=10240volts. Is the source balanced? (a) Yes (b) NoA balanced -connected impedance load with (12+j9) per phase is supplied by a balanced three-phase 60-Hz,208-V source, (a) Calculate the line current, the total real and reactive power absorbed by the load, the load power factor, and the apparent load power, (b) Sketch a phasor diagram showing the line currents, the line-to-line source voltages, and the -load currents. Use Vab as the reference.
- (b) A symmetrical delta-connected 415V three-phase supply is feed to an asymmetrical delta- connected load as shown in Figure Q2(b). Assume that it is a RYB sequence. The impedances of the load are ZrY = 50 + j50 N , ZYB = 150 + j0 N and ZBr = 50 –j50 N. jos (i) Determine and draw the phasor diagram of phase currents in the load. (ii) Determine and draw the phasor diagram of line currents in the system.2. A single-phase are distributor AB is fed from end A and has a total impedance of (0.3-0.3) ohm. At the far end, the voltage V-240V and the current is 100A at a p.f. of 0, 8 lagging. At the mid-point M. a current of 100 A is tapped at a p... of 0.6 lagging with reference to the voltage V_{M} at the midi-point. Calculate the supply voltage V Lambda j sending current I_{N} and the phase angle between V_{A} and V_{E}(b) A symmetrical delta-connected 415V three-phase supply is feed to an asymmetrical delta- connected load as shown in Figure Q2(b). Assume that it is a RYB sequence. The impedances of the load are ZRY = 50 +j50 Q , ZYB = 150 + j0 Q and ZBR= 50 – j50 N. (i) Determine and draw the phasor diagram of phase currents in the load. (ii) Determine and draw the phasor diagram of line currents in the system.
- Figure Q2(a) shows a positive sequence three phase circuits. Given a line-to-line voltage at generator, ERY = 415230°V. With assumption that all load impedance are balanced, Zn=Zyb=Zbr= 15 + jl8 2, determine all phase currents at each load and line currents. Include the phasor diagram for all currents in your analysis. R Zry Zyt Figure Q2(a) If the transmission line in three phase circuit at Figure Q2(a) has a impedance of 1+j20 for each phase, determine the phase voltages for each load with using an appropriate analysis. Use phase voltage at generator, ERN as a reference. Then determine the total apparent power, active power and reactive power supplied by the generator.Q4/For the three-phase power network shown in Figure. the various components are: GI: 100 MVA, 0.30 pu reactance. G2: 60 MVA, 0.18 pu reactance. Transformers (cach): 50 MVA, 0.10 pu reactance. Inductive reactor X: 0.20 pu on a base of 100 MVA. Lines (each): 80 ohms (reactive); neglect resistance. with the network initially unloaded and a line voltage of 110 kV, a symmetrical short circuit occurs at midpoint E of line 2. Calculate the short circuit MVA to be interrupted by the circuit breakers A and B at the ends of the line. T3 38 L1 L2 G2 Bas 12 T4 Bus2. A single-phase a.c. distributor AB is fed from end A and has a total impedance of (0-2 +j03) ohm. At the far end, the voltage VR = 240 V and the current is 100 A at a p.f. of 0-8 lagging. At the mid-point M, a current of 100 A is tapped at a p.f. of 0-6 lagging with reference to the voltage Vy at the mid-point. Calculate the supply voltage V and phase angle between V and Vg- [292 V, 2-6°] T 40 A
- Q2) A 13.2-kV single-phase generator supplies power to a load through a transmission line. The load's impedance is Ztoad 500 236.87° ohm , and the transmission line's impedance is Zine = 60 253.1° ohm. To reduce transmission line losses to 0.0103 of its losses without using the transformers design and use two transformers T1 between the generator and the transmission line and T2 between the transmission line and the load.A single-phase a.c. distrībutor AB is fed from end A and has a total impedance of (0-2+j03) ohm. Atthe far end, the voltage V = 240 V and the current is 100 A at a p.f. of 0-8 lagging. At the mid-point M, a current of 100 A is tapped at a p.f of 06 lagging with reference to the voltage Vy at the mid-point. Calculate the supply voltage V, and phase angle between V, and Vg- [292 V, 2-6°)Suppose that a current source with Is amperes of current is connected in parallel to a pair of impedances Z₁ and Z2. Let I₁ be the current through Z₁ and 12 be the current through Z₂. Then, the total voltage Is is divided between 1₁ and 12 in proportion to impedance values Z₁ and Z2. a. True O b. False