Maria Cristina falls located at south has a height of 100 meters, it discharges atconstant rate 2.5 m³/sec. National Power Corporation has construct a hydroelectricplant below the water falls. If the turbine efficiency is 70% and the generatorefficiency is 90%, calculate the annual energy in kW-hr, if the discharge rate isconstant throughout the year. Assume specific gravity constant.

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Answered: Maria Cristina falls located at south…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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An a electric power system A 200 MW unit with 0.05 pu turbine operates in parallel with a 400 MW unit of identical turbine regulation. For a specified amount of power demand in crease, find the ratio of sharing of the Load by the units, system frequency is 50Hz .
Discuss the significance of power generation, transmission, and distribution in the context of a reliable and efficient power supply. What are the challenges associated with each of these phases?
The theoretical maximum efficiency of wind turbines is limited by the velocity of air leaving the turbine preventing air from entering the turbine. TRUE OR FALSE?
2. a) Explain the terms load factor and diversity factor. b) Discuss the advantages of interconnected grid system. c) A generating station is to supply four regions of load whose peak loads are 10 MW, 5 MW, 8 MW and 7 MW. The diversity factor at the station is 1-5 and the average annual load factor is 60%. Calculate: (i) the maximum demand on the station, (ii) annual energy supplied by the station and (iii) suggest the installed capacity and the number of units.
Help soon.thanks.
For a power station the yearly load duration curve is a straight line from 32,000 to 3000 kw. To meet the load three turbo-generators are installed. The capacity of two generators is 16,000 kw each and the 3rd is rated at 4,000 kw. a. Draw the yearly duration curve b. Determine the load factor, annual capacity factor, and maximum demand
A d.c. serier generator, having an external characteristic which is a straight line through zero to 50 V 200 A is connected as a booster between a station bus bar and a feeder of 0.3 ohm resistane. Calculate the voltage difference between the station bus-bar and the far end of the feeder qa current of (i) 200 A and (ii) 50 A.
Please show the complete solution. Thank you so much Voltage Multipliers (electronics)
An 11 kV, three-phase, star-connected alternator has a synchronous impedance of10∟80° Ω/phase and operates at unity power factor on infinite bus bars. It supplies acurrent of 300 A by using a general load diagram. Determine: the full-load current for normal excitation ( motor mode), the current and power factor for 100% excitation on 25% overload (generatormode), the maximum power that the machine can develop in the generator mode for50% excitation
a. For the circuit shown in figure 2, determine the load impedance for maximum power transfer to the load. Assume 50 22 output resistance of the function generator. b. Calculate the maximum average power transferred to the load. c. If the load is purely resistive element, what will the resistance of the load be for maximum power transfer? Function Generator Vs 2.5 KHz 5 V rms 0V DC offset Figure 2 RG! 5 mH High-Q inductor Ground Load
e)
If the load draws a current of 2727 A, in phase, from a generator, which of the following statement is true? O A. The reactive power is flowing from generator to the load and the real power is flowing from the load to the generator. O B. Since the current is in phase with the generator voltage, both the real and reactive power is flowing from the generator to the load. O .Since the current is leading the generator, both the real and reactive power is flowing from the load to the generator. O D. The real power is flowing from generator to the load and the reactive power is flowing from the load to the generator. O E. None of the other choices are correct

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