A generator delivers a load through a pair of wires each of which has a resistance of 0.06 ohms. If the load voltage and power are respectively 120 V and 4.8 kW, calculate; (a) the generator voltage, (b) the power loss in the line wires. Choices: - 123.8 V, 192 W - 121.8 V, 192 W - 124.8 V, 192 W - 122.8 V, 192 W

A generator delivers a load through a pair of wires each of which has a resistance of 0.06 ohms. If the load voltage and power are respectively 120 V and 4.8 kW, calculate; (a) the generator voltage, (b) the power loss in the line wires. Choices: - 123.8 V, 192 W - 121.8 V, 192 W - 124.8 V, 192 W - 122.8 V, 192 W

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.33P: Consider the three single-phase two-winding transformers shown in Figure 3.37. The high-voltage...

See similar textbooks

Similar questions

The reactance of a generator is given as 0.1 pu based on the generator of 17 KV, 300 MVA. Determine the pu reactance on a base of 17 KV, 250 MVA. New pu reactance is.......
In a Three-phase alternator, a given field current produces an armature current of 250 A on short-circuit and a generated e.m.f. of 1500 V on open-circuit. Calculate the terminal p.d. when a load of 250 A at 6.6 kV and 0.8 p.f. lagging is switched off. Calculate also the regulation of the alternator at the given load. Subject: Electrical engineering
32. The incremental cost characteristics of two generators delivering a load of 200 MW are as follows: dF = 2.0 + 0.01 P, dP, dP dF, -= 1.6 + 0.02 P, For economic operation the generators P, and P, should be (a) 120 MW and 80 MW (b) 81 MW and 120 MW (c) 120 MW and 120 MW (d) 80 MW and 80 MW
1. A single-phase power system as shown in Figure 1 consists of a 240 V, 60 Hz generator supplying a load, Zod = 8 + j6 Q through a transmission line of impedance, Zne = 0.08 + j0.14 Q. Answer the following questions: (1) transformer, T; and T2. Determine the voltage at the load and transmission line losses without the (ii) Determine the voltage at the load and transmission line losses with the transformer, T, and T2. T1 T2 1:10 10:1 IG Zaine Zioad source Figure 1
e = 0 Q1: What does happen if we change two currents? a. Q2: What does happen if we have a three-phase four poles machine? Q3: What does happen if we have a two-phase two poles machine? e = 0 Q4: What does happen if we apply a capacitance in phase b and then use same voltage for both phase. Dr. Ali Ki. pw --
Is it right P that given is it input or output power, more over delta/Y 377V/281V ,2.99A/3.15A what does it mean for these . Also free shaft conditions mean?
A generator at no-load operates 61 Hz, slope 1MW/Hz. Load 1= 1.0 MW and load 2=0.8MW are connected. Find the frequency before and after adding the load 2. (Using House Diagram)A. 60 Hz & 59 Hz C. 60 Hz & 59.2 HzB. 60 Hz & 59.1 Hz D. 60 Hz & 59.3 Hz
1. A 3-phase, 16-pole alternator has a wye connected armature winding with 144 slots, 10 conductors per slot and runs at 450 rpm. The flux per pole is 40 mWb and the distribution factor is 0.966. What is the value of the line to line voltage? A. 3.45 C. 4.28 B. 2.47 D. 4.57
Two generators operating in parallel supplying a total load current of 160 A. The terminal volage of generator A falls from 246 Von no load to 230 V when the current output is 100 A; The terminal volatge of generator B falls from 250 V on no load to 230 Vwhen the current output is 80 A. The external characteristics are rectilinear. determine the:a) busbar voltage. b) Current delivered by the generator A.c) kW shared by generator A
1- 1-Nose point in the PV Curve of an alternator gives you the information about a.Intersection of load line and generator characteristics b.Characteristics load line c.Maximum Real Power it can deliver d.Good voltage profile
In a single-phase alternator, a given field current produces an armature current of 250 A on short-circuit and a generated e.m.f. of 1500 V on open-circuit. Calculate the terminal p.d. when a load of 250 A at 6.6 kV and 0.8 p.f. lagging is switched off. Calculate also the regulation of the alternator at the given load. [7,898 V; 19.7%] (Elect. Machines-II, Indore Univ. Dec. 1977) A 500-V, 50-kVA, single-phase alternator has an effective resistance of 0.2 N. A field current of 10 A produces an armature current of 200 A on short-circuit and e.m.f. of 450 V on open circuit. Calculate (a) the synchronous impedance and reactance and (b) the full-load regulation with 0.8 p.f. lagging. [(a) 2.25 N, 2.24 2, (b) 34.4%] (Elect. Technology, Mysore Univ. 1979)
Q2\| Explain how Y-connected stator winding of alternator requires 58% of turns w.r.t. that of A-connection?