Turbine operating efficiency is not influence to maintain the minimum cost of power generation True False
Q: Q2 (a) Outline with the aid of a suitable diagram the necessary power conversion stages required to…
A: There is Star connected three phase system.
Q: 5.117. A cylindrical-rotor synchronous machine is synchronised with an infinite bus at rated…
A: Given that machine is synchronised with infinite bus , so excitation voltage is same as terminal…
Q: A synchronous generator connected to an infinite bus is supplying 50 % of its rated power at a…
A: Given: Synchronous generator is connected to infinite bus. 50% of the rated power is supplied at…
Q: riefly explain combined cycle power and cogeneration?
A: The explanation is as follows.
Q: Discuss about different configurations of wind turbines and their advantage and disadvantages.
A:
Q: (c)Derive EMF Equation of the DC generator
A: Let ∅ = flux per poleZ = total armature conductorA = number of parallel pathP = number of polesN =…
Q: Example 2: The stator of a 30 , 8-poles machine has 96 stator slots and short-pitched by 9/12. The…
A: To findVLVph Fundamental Voltage = V3rd Voltage = 0.30V5th Voltage = 0.15V
Q: Power system 1 has 4 identical generator, each rated 80MVA and inertia constant for each H=7MJ/MVA,…
A: Since, any other information is not provided in the system then considering it as the coherent…
Q: Explain why higher the load factor of the power station, lesser will be the cost per unit generated
A: Load factor is the ratio of average load to the peak load during a certain period of time. For a…
Q: Kindly explain the methods of reactive power compensation in power systems.
A: The methods for reactive power compensation are nothing but the methods by which poor power factors…
Q: Load characteristic of DC generator is a graph between Il and Vt. True or False
A: The load characteristics of a dc generator gives the relationship between the line current and…
Q: a) Two thermal generator units have the following incremental cost curves then determine the…
A: The incremental cost functions are given as F1=0.22+0.16 P1F2=0.48+0.41 P2and Unit 1:…
Q: Write a note on capacitive compensation for power factor control.
A:
Q: Write the procedure steps for paralleling two DC generators T TTArial
A: when the power requirements are higher then it is not possible to supply high power demand using…
Q: Derive net RMS EMF induced in the stator winding, when there is an influence of 1st, 2nd harmonics.
A: EMF induced due to first harmonics is = RMS value is =
Q: Discussion of power quality aspects that need to be considered before installing the power factor…
A: power factor correction aims to improve power factor and therefore power quality. It reduces the…
Q: Power generation cost reduces as diversity factor decreases and load factor increases diversity…
A:
Q: 5. Why the efficiency of large size alternator should be larger than that of small size?
A: Because conducting material have wide contact with atmosphere in large size alternator, the heating…
Q: Is desirable to have leading power factor loads? Why? Please explain.
A: The phase difference between current and voltage in an electrical circuit is defined by the power…
Q: Explain the conditions of parallel connection of alternators and how these conditions are fulfilled.
A: If the value of the power demand is large then, it is not possible to provide the power by using a…
Q: The torque angle of synchronous machine operating from a constant voltage bus, is usually defined as…
A: the torque angle of synchronous machine is operated from a constant voltage bus, is usually defined…
Q: What is power factor correctoin?
A: Power factor correction:
Q: What are the computations needed when designing a Diesel Electric Power Plant
A: Diesel electric power plant is a power plant in which a diesel engine is used as a prime mover for…
Q: A constant losses can be considered equal to input to a machine at no-load. * True False
A: at no load total losses are sum of copper losses , iron losses and mechanical losses. At any load…
Q: The fuel cost curve of two generator are given under C1 = 00+ 45 P +01 P;? C) = 2000 + 43 P + 0.003…
A:
Q: The suitable turbine types used for a depends on many influencing parameters, with two primary…
A: The answer is hydropower plant
Q: What is the capacity factor?
A: Given data: Adam's Bay wind site Wind turbine G80-2000 Pout= 2000kw k=2.05 c=8.35 m/s h=10 m Site…
Q: The torque angle of synchronous machine operating from a constant voltage bus, is usually defined as…
A: The torque angle of synchronous machine operating from a constant voltage bus, is usually defined as…
Q: * Answer by true or false False True The core reluctance proportional directly with the length of…
A: As per the guidelines of bartleby we can answer 1st 3 sub - parts for rest of the question you…
Q: The Nominal System Voltage is stepped-up at the Generating Station in preparation for the Power to…
A: In this answer let us try to understand whether the given statement is true or false.
Q: Four similar synchronous generators are sharing equally the feed to a load of 1 pu referred to the…
A: To find the correct option from the given statements
Q: Explain how does frequency change versus active power load change? which part of turbine governing…
A: The power systems include the heavy duty machinery and processes which are required to be monitored…
Q: Briefly explain TWO (2) disadvantages of low power factor.
A: Power factor angle (φ) is the angle between the voltage (V) and the current (I)
Q: v) Define the term of degree of compounding in DC generators. What are the applications of different…
A: Degree of compounding is defined by the number of turns in series field winding and shunt field…
Q: Give the main parts (construction) of AC Generator (alternator). Define each.
A:
Q: (B)- Draw the power flow diagram of d.c generator and give the mathematical Put the input power in…
A: The power flow diagram of the dc generator is shown below:
Q: A three-phase 25-kVA, 480-V, 60-Hz alternator, operating under balanced steady state conditions,…
A: Given, S=25 kVAVL=480 Vf=60 HzPF=0.8 lagIL=20 A
Q: A generating system contains three 20 MW generating units each with a 3% FOR and one 45 MW unit with…
A: A table for unit system capacity outage is shown below:
Q: Incremental fuel cost is the derivation of output power with respect to fuel cost True False
A: fuel cost can be written in terms of output power with some constants. incremental fuel cost is the…
Q: True or False: In a DC Machines, variable losses should be equal to constant losses to attain…
A: Note that there are various losses that occurs in an electrical generator or the motor. The losses…
Q: 02 Generator cost rate functions in $/hr for a three-unit system are given as follows: FI-0.008(P1)2…
A: Given data : Generator cost rate function are , F1=0.008P12 +0.5P1+5 F2=0.030P22+0.2P2+3…
Q: 2.41 A three-phase 25-kVA, 480-V, 60-Hz alternator, operating under bal- anced steady-state…
A: In this question we need to determine a power triangle for the given operating conditions of…
Q: List and Describe the functions of the components that needed to be designed and calculated in…
A:
Q: 4. (a) What is leading and lagging power factor? and discuss about the reasons for the low power…
A:
Q: 1.Static synchronous compensator (STATCOM) for power factor improvement. 2. What are the…
A: 1.Static synchronous compensator (STATCOM) for power factor improvement. 2. What are the constraints…
Q: DC generators operating in parallel
A: Parallel Operation of DC Generator The Parallel Operation of the generator is very necessary if we…
Q: can we apply the principle of electromagnetic induction in a Transformers operation? (short answer)
A: Electromagnetic induction : According to electromagnetic induction whenever there is a change in…
Q: Discuss about generator modeling and drive the formula for the real and reactive power supply it .
A: Generator modeling - The simplest sophisticated modeling in a system stability tool are generator…
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- Explain binary cycle power plant (using figure). Compare its performance as compared to other geo-thermal power plants.Discuss about the performance characteristics of wind turbineTwo 60MVA, alternators operate in parallel. The setting of the governor are such that the rise in speed from full load to no load is 2% in one machine and 3% in the other, the characteristics being straight lines in both cases. If each machine is fully loaded when the total load is 120MW, what will be the load on the first machine (with 2% speed regulation) when the total load is reduced to 80MW?
- A 5-ohm resistor is connected in series with a 25 micro-farad capacitor. A source voltage of158 volts, 50 Hz supplies the combination. Determine the following:a. Circulating currentb. Voltage across the resistorc. Voltage across the capacitord. Real power supplied by the source2 Compare between base load pbiney stvion and peak load power station.Suppose we have an ac current flowing through a coil wound on an iron core. Name two mechanisms by which energy is converted to heat in the core material. For each, how is the core material selected to minimize the power loss? How does each power loss depend on the frequency of the ac current?
- For type-A chopper of. de source voltage = 230 V, load resistance = 102. Take a voltage drop of 2 V across chopper when it is on, For a duty cycle of 0.4, calculate (a) average and rms values of output voltage andTwo identical 2,000 kW alternator operates in parallel. The governor of the first machine is such that the frequency drops uniformly from 50 Hz at no-load to 48 Hz at full-load. The corresponding uniform speed drop of the second machine is 50 Hz to 47.5 Hz. What is the maximum load that can be delivered without overloading either machine?Discuss the Power transmission from home to powerplants and provide a picture
- Write down construction of an alternator with help of diagram and write its principle of operation. Subject is Electrical Machines.Draw dc load line :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.