10.7 A 3-phase, 1.6 MVA, 13.5 kV, star-connected Alternator has effective resistance and Synchronous reactance of 1.5 2 and 30 per phase. Calculate the percentage voltage regulation for a load of 1.28 MW at power-factors of (i) 0.8 lagging and (ii) 0.8 leading. [Ans: 18.59% -11.98%]
Q: HW 2: F{A (t)} = Hint: 'sin- wa 2 2 wa 2 Aa(t) = a+t a² a-t a² 0 -a a 1/a Ja(t) -a a X(u) = f(100))…
A: //The answer above is a possible detailed explanation of the question mentioned and…
Q: 9 kHz R₁ 2200 w R₂ 1800 1 mH .C 0.47 µF
A: To solve the circuit, we will proceed step-by-step. This circuit represents an AC circuit with a…
Q: = 10. If the load in Fig. 12 is delta-connected with impedance per phase of Zp 30-j40 and V₁ = 440…
A: I hope this is helpful.
Q: Choose the correct answer: 1- In a 3-phase squirrel cage induction motor--------- (A) Rotor…
A: 1. Explanation: In squirrel cage induction motors, the rotor consists of conductors that are…
Q: A single-phase full-wave rectifier is connected to an AC source with a peak voltage of 170 V and a…
A: Step 1:
Q: Can you draw a static-hazard-free digital circuit to implement f (X, Y, Z) = Y Z + XY'?
A: Step 1: To realize the static hazard free digital circuit , first we need to make K-map Step 2: Draw…
Q: ip VDD VDD RD RD VDS (sat) VGS-VTN -Transition point VDD VDS Figure 16.3 (a) NMOS inverter with…
A: Step 1: Step 2: Step 3: Step 4:
Q: Develop a look ahead scheme for the 4-bit block with (A<B) and (A>B) signals being propagated…
A: Look-Ahead Scheme for a 4-bit Block ComparatorStep 1: Conceptual IntroductionA look-ahead scheme for…
Q: please show every work done, will give like
A:
Q: Plot the amplitude and phase spectrum (single and double sided) for the following signal: 1.…
A: Step 1:Step 2:Step 3:Step 4:
Q: This is a review question from an old exam:A 50-MHz generator with Zg =50Ω is connected to a load…
A: Step 1:Step 2:Step 3: Step 4:
Q: NEED HANDWRITTEN SOLUTION NOT USING CHATGPT OR AI
A:
Q: please answer all parts of the quesiton with step by step working thank you
A: First, we need to calculate the referred secondary resistance and reactance. The transformer turns…
Q: I need expert solved solution for this question under 20minutes it really pressing
A: Thank you Shortcut | Alternative solution
Q: = Problem 4. (20 pts). Calculate the the inverse Fourier transform of X(jw) - use the Fourier…
A: Step 1:Step 2:Step 3:
Q: please show clear step by step working how you got the answer thank you
A:
Q: A 3-ph transmission line operating at 10 kV and having a resistance of 1 ohm and a reactance of 4…
A: Step 1: Step 2: Step 3: Step 4:
Q: 22. A cable limiter is a. a short-circuit device only. True False О b. not to be used for overload…
A: Let's analyze each statement regarding a cable limiter: a. A cable limiter is a short-circuit device…
Q: 4.15 For the circuit of Fig P4.15, what should the resistance value of R₁, be so as to have maximum…
A: The op amp is in non inverting mode.. using voltage divider rule the the input voltage can be…
Q: 25 nC/m, lies along the line x-0,2-1m in free 0 is a perfect conductor. (a) Find E at P(1,2,3). (b)…
A: Calculating Numerical ValuesGiven:Line charge: λ = 25 nC/mLine charge location: x = 0, z = 1 mPoint…
Q: 20 V 10 Ω ww 15 V 3 mH m 502 Vo Figure #3 Determine the voltage drop across the Five (5) ohm…
A: Step 1: Applying the Kirchoff Voltage Rule (KVL) to the circuit.Let the current in the left-side…
Q: Find the Fourier series for the periodic extension of the signal x(t): = -1 -.5<t≤.5 .5<t≤1 (the…
A:
Q: If the load impedances in the circuit of Figureare as follows, find the power factor of the load…
A:
Q: a to gnibniz A three-phase, full-wave half-controlled rectifier bridge circuit is operating at a…
A: Step 1: Step 2: Step 3: Step 4:
Q: 4) - An ac WB with all arms as capacitors nulls when: C₁ = 0.4 µF, C2 = 0.31μF, and C3 = 0.27 µF.…
A: Understanding the Wheatstone Bridge In a Wheatstone bridge, when the bridge is balanced, the ratio…
Q: The interger is -777, THEN WHAT IS THE BINARY AND THE HEXIDEMICAL
A: Step 1: Convert the Positive Integer (777) to BinaryNow we convert the absolute value of −777, which…
Q: Determine voltages u1 to u4 in the circuit of Fig. P5.14 under dc conditions.
A: Step 1: Step 2: Step 3: Step 4:
Q: Problem-4 (Ch-16: MOSFET Digital Circuits) (a) Calculate the output voltage Vo and power dissipation…
A: ALL STEPS ARE EXPLAINED IN THE PAPER.
Q: 7. For the op-amp circuit shown in Figure 7, determine the voltage across RL.
A: Step 1: Step 2: Step 3: Step 4:
Q: (a) Given {1, 3, 2} → -> |y[n]+2y[n-1] = 4x[n]+5x[n-1] compute the output y[n]. → y[n]
A: Step 1: According to the question, we need to calculate y[n]. Step 2: To solve for y[n] given the…
Q: Solve for the mesh currents: 10 V + I1 || = 12 = 13 = = 15 Ohm w 12V 1 Ohm w ww 50 Ohm w 4 Ohm 17 V…
A: I hope this is helpful.
Q: Find the Thevenin and Norton equivalent circuits for the circuit shown in Figure below. Find the…
A: Step 1:Step 2:
Q: 20. Perform the indicated operations, and express the answer in both rectangular and polar forms: 2+…
A:
Q: Consider the voltage-controlled current source of Figure 1, Write KCL for the node marked V1 and…
A:
Q: 43. Find i, in the circuit of Fig. 8.72 at 1-s intervals from t = -0.5 s to t = 3.5 s. Figure 8.72…
A: Step 1:Step 2:Step 3: Step 4:
Q: A series resistor is sometime added to the output of an op-amp amplifier circuit in order to control…
A: In an operational amplifier (op-amp) circuit, a series resistor is sometimes added to the output to…
Q: Problem 1: Consider a DSB-SC system carrier signal: ((t)= A cos2rfet message signal: m(t) = sinc(t)…
A: I hope this is helpful.
Q: Determine the power supplied by the independent voltage source in the circuit where V-11, R1=4 and…
A:
Q: 8Ω ww 5 mH m 80 V + t=0 50 V 2002 ww 12 Ω Figure #1 For the circuit shown in figure #1, determine…
A:
Q: Only expert should solve this,if you aren't don't solve
A: Step 1:Step 2:
Q: Only expert s should solve it,to avoid bad rating
A: Step 1:Step 2:Step 3:
Q: Can you please answer all parts of the question with step by step working and can you please include…
A: Step 1: Understanding the question and given data:Step 2: Equivalent circuit referred on primary…
Q: Problem 12 (5 points) (Chap 5.23) (Learning objective: Parallel plate capacitor) A certain design…
A: The equation of capacitance is given below, C=E.A/d therefore, A= C.d/Awhere E=E0Er = permitivity.C=…
Q: Briefly explain the following: 1- The starting torque for a three-phase squirrel cage induction…
A: Solution 1) Why Higher Starting Torque?The motor needs extra torque to overcome inertia when it…
Q: here the value of k2 is 14. Please solve this all these steps and make it understandable Concerning…
A: Step 1: Step 2: Step 3: Step 4:
Q: 25 H.P., P= 4, 50 Hz, Y, 380 V, 38 A, Efficiency = 0.86, Service Factor= 1.1, IP=67, Ins. Class B,…
A: I hope this is helpful.
Q: Can the expert redraw the diagram by hand in an acceptable and accurate manner?
A: Here is the redraw of the given diagram: I have uploaded two images for clarification.…
Q: I need an experienced tutor to solve this, avoid using Ai
A:
Q: i need help with solution to this question pl
A: Step 1:Part (a): Step 2:Part (b): Step 3:Part (c):
Q: P3 In general, the load resistance is given and the resistors of the voltage divider must be matched…
A: A voltage divider is a simple circuit which turns a large voltage into a smaller one. It consists of…
Step by step
Solved in 2 steps with 3 images
- A three-phase 3300V. 50 Hz star-connected alternator has an effective resistance of 0.5 ohm/phase. A field current to of 30A produces full-load current of 180A on short- circit and a line to line emf of 1000V on open circit Determine(i) the power angle of the alternator when it delivers full-load at 0.8p.f(lag) (ii)the SCR of the alternator DThe p.u. impedance value of an alternator corresponding to base values of 13.2 kV and 30 MVA is 0.2 p.u. Then the p.u. impedance value of an alternator for the new base values of 13.8 kV and 50 MVA is......b) Two alternators are connected in parallel to feed a load together. The no-load frequency of the first alternator is 51.5 Hz and its slope is 1MW / Hz. The no-load frequency of the second alternator is 51.0 Hz and its slope is 1MW / Hz. The total power of the load fed by these two alternators is 2.5MW and the power factor is 0.8. Accordingly, at what frequency does this system work and what are the power values transferred to the load by each alternator.
- A three phase star connected, 1500 kVA, 13 kV alternator has an armature resistance of 0.9 ohm and a synchronous reactance of 8.0 ohms. When carrying rated load voltage, calculate the generated voltage per phase at loads of a. Unity P.F. b. 0.8 lagging P.F. c. 0.8 leading P.F. d. Calculate the voltage regulation for each loads and determine best regulation.A 3Ø, Y-connected alternator is rated at 1,600KVA, 13.5KVv. The armature effective AC resistance per phase is 1.50. The percentage regulation for a load of 1,280kW at unity power factor is 3.5%. Determine: (a) synchronous reactance of the alternator (b) %VR at full-load 0.8pf leading (c) What is the effect on %VR value if taken at half-load lagging pf? Justify and explain briefly your answer on one(1) sentence.A 3-phase star connected, 1500 kVA, 13 kV alternator has an armature resistance of 0.9 ohm and a synchronous reactance of 8.0 ohms. When carrying rated load voltage, calculate the generated voltage per phase at loads of I.) Unity P.F. ii.) 0.8 lagging P.F. iii.) 0.8 leading P.F. iv.) calculate the voltage regulation for each load and determine best regulation.
- The step down DC chopper uses DC source voltage V(dc) = 200 V and resistive load impedance of 10 ohm. The duty cycle is 0.4 the voltage drop across the switch may be taken as zero, Calculate : (a) Average and RMS value of output voltage. (b) Average and RMS value of output current.The voltage regulation of an alternator having 0.75 leading p.f. load, no-load induced e.m.f. of 2400V and rated terminal voltage of 3000V is............... percent. *A 1200 kW,60 Hz synchronous alternator A identical governor droop of 0.0005 Hz/kW.Machine A takes two third of 1000kW bus load at 60 Hz.lf an additional 800 kW load is connected to the bus determine (a) bus frequency (b) load on each machine. is in parallel with a 400 kW,60 Hz alternator B.Both machines have (a) 58.6 Hz (b) 566.67 kW, 433.33 kW. (a) 59.6 Hz (b) 866.67 kW, 133.33 kW (a) 59.8 Hz (b) 666.67 kW, 333.33 kW (a) 58.9 Hz (b) 766.67 kW, 233.33 kW
- 8. A 3-phase, star connected alternator is rated 500 KVA, 1.1 KV. Its effective resistance/phase and synchronous reactance/phase are 1.0 Ohms and 1.5 Ohms respectively. Calculate the percentage voltage regulation at full load 0.8 power factor leading condition. Draw the phasor diagram corresponding to leading power factor condition and drive the expression for the induced emf.A 1200 kVA, 6600 volts, 3-phase Y connected alternator, has an effective resistance of 0.4 ohms and a synchronous reactance of 6 ohms per phase. It delivers full load current at 0.8 lagging power factor at rated voltage. What will be the generated voltage if the power factor is change to 0.8 leading. Solve for the % voltage regulation both for 0.8 lagging and 0.8 leading power factors.Please and thank you