Which energy uses the motion of floats to rotate the turbine? О а. ОТЕС O b. Wave O c. Wind O d. Hydropower
Q: 1. A 4-pole, d.c. generator has a wave-wound armature with 792 conductors. The flux per pole is…
A: We need to find out speed for given motor
Q: The open-circuit characteristic of a certain d.c. generator, when run- ing at 500 rev/min, is given…
A: According to question we have to find the value of load current with the help of given data.
Q: 3.Discuss the differences between Pelton, Francis, and Kaplan turbines.
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Q: i need theory about Characteristic of Separately excited Generator
A: To write the characteristics of separately excited Generator
Q: Ex. 3) a 3-phase, 50Hz generator running at 1500 rpm, the stator inside diameter is (0.5m) and its…
A: It is given that: F=50 Hzn=1500 rpmD=0.5 mL=1.2mBm=0.62T
Q: Example 28.6. A d.c. generator has the following magnetisation characteristics. Field current (A) :…
A:
Q: 18. What is the standard direction of rotation of the d.c. generators ? (DC GENERATOR QUESTION)
A: Standard direction of rotation of the d.c. generators is the clockwise.
Q: A 6-pole generator has a wave- wound armature with 250 turn and it delivers 180 Amper on full load.…
A: In this question , we will find armature demagnetizing ampere turns per pole . .
Q: Draw the circuit diagram of self excited DC compound long shunt generator, mark all current and…
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Q: Fig. 2 shows a simplified representation of a synchronous generator. Ro tor Oned wirdng Fied windin…
A: In the above question, we have to find maximum instantaneous excitation voltage from the given…
Q: In a DC generator, the iron losses at 1000 rpm are 10 kW at a given field current. At a speed of 750…
A: In this question , dc generator is given with iron losses at different speed ...We have to find out…
Q: tion Example 26.20(b). A four-pole, lap-wound shunt generator has 300 armature-conductors and a…
A: In a dc shunt generator there are 2 windings armature winding and shunt field windings connected in…
Q: Answer the following questions. - Derive E.M.F equation of a D.C generator, and what are the factors…
A: The derivation can be achieved as follows.
Q: Consider a Y-connected AC generator with a number of turns per phase of 120 turns. Find the flux per…
A: In this question , we will find flux per pole of star connected AC generator....
Q: C2 (ii)Wind-turbine units are rated at 2 KW in a rated wind speed of 6 m/s. The stage efficiencies…
A: In the question, Find the area of the blades if the power P= 2kW Wind speed V= 6m/s All efficiency…
Q: b) A1000 MW turbine generated 648 MWh during 30 da What would is capacity factor be?
A: In this question we will find capacity factor of turbine...
Q: B) A 3-phase, 1500 kVA, 13.2 kV Y-connected synchronous generator, is supplying a real power of 120…
A: b..>> The machine is delivering kVARs to Load. So the machine is over exited. So the field…
Q: Question in photo
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Q: In a motor-generator set, calculate the number of poles required in the motor to convert AC 60 Hz…
A: In this question , we will find no of poles of motor with given motor generator set data...
Q: A 10 KW full load output power of shunt generator having an armature circuit resistance of 0.75 Q…
A: given shunt generator
Q: A 6-pole, wave-connected armature has 831 conductors and is driven at 612 RPM. If the flux per pole…
A: We know direct formula for generated emf
Q: The field current of an DC machine is supplied from an external DC source is called as, shoos…
A:
Q: B) A 3-phase, 1500 kVA, 13.2 kV Y-connected synchronous generator, is supplying a real power of 120…
A: In this question we need to choose a correct option.
Q: Кeрort:- 1. Plot the external and internal characteristics of shunt generator. 2. Calculate the…
A: We are authorized to answer one question at a time, since you have not mentioned which question you…
Q: 1. Define the following terms: (a) Pitch (b) Upwind turbine (c) Downwind turbine 2. Explain the…
A: Wind turbine:- Wind turbine is a turbine that in which we can convert the kinetic energy of wind to…
Q: a- A DC generator has the following magnetization characteristics. 1 2 3 4 Field current (A)…
A:
Q: In a motor-generator set, calculate the number of poles required in the motor to convert AC 25 Hz…
A: In this question we have to find out motor poles....
Q: The suitable turbine types used for a depends on many influencing parameters, with two primary…
A: The answer is hydropower plant
Q: Consider a Y-connected AC generator with a number of turns per phase of 60 turns. Find the flux per…
A: In this question , we will find flux per pole for generator....
Q: A 100 MVA generator operates load of 50 Hz frequency. The load is suddenly reduced to 50 MW. The…
A: Given, Generator power rating, S = 100 MVA Frequency, fo = 50 Hz The load is suddenly reduced to,…
Q: In a Input - Output Characteristics of a generator, which of the following cannot be a unit of the…
A: Input-output characteristics of the generator are shown below
Q: c) The O.C.c. of a DC shunt generator running at 300 rpm is as follows. Ir (A) Eo (V) 3 5. 6. 7 7.5…
A:
Q: 1. A 4-pole, d.c. generator has a wave-wound armature with 792 conductors. The flux per pole is…
A:
Q: Find the slip of the motor, frequency is 50Hz for the 4 pole machine, when Ns=1500rpm.
A: The slip in the motor is the difference in the rotating speed of the shaft and the synchronous…
Q: Question 4 (Mapped to ILO1) A power generating plant consists of two turbo-alternator units whose…
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Q: THydropower Plant System The following nametag is specification of a generator in a hydropower…
A: We are supposed to be answer of first four subparts of the question as per guildlines.
Q: Q.1(a) Describe the operating principle of the Van de Graaff generator and state a typical…
A: Since we only answer one question at a time. we’ll answer the first question only.Please resubmit…
Q: IN AN AC GENERATOR, WHICH CONTAINS A PAIR OF MAGNETS AND A COIL, IF THE ROTATING COIL IS IN…
A: This question is discussing about ac generator, Which contains a pair of magnets and a coils, if…
Q: Rotor of a Synchronous Generator is laminated in order to reduce power loss by eddy currents. Select…
A: The eddy current loss is the type of power loss that causes, the circulating current in the rotor…
Q: 8. An 8-pole lap-wound d.c. generator has 120 slots having 4 conductors per slot. If each conductor…
A: To find the speed of generator for giving 240 V on open circuit Also Calculate the rated output of…
Q: Write down the Voltage equation of a Separately excited DC Generator
A: In this question we need to Write down the Voltage equation of a Separately excited DC Generator
Q: A DC generator has the following magnetization characteristics taken at 600 rpm. Field 12 3 4 5 6 17…
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Q: The shaft of a three-phase synchronous generator is rotating at 1800 RPM synchronous speed This…
A:
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: Write the equation for an induced EMF of an alternator? Why 4.44 is used? United States) 耳
A:
Q: Which of the following is an example of constant power type of load ? Compressor Milling Machine…
A: Note: We are authorized to answer one question at a time, since you have not mentioned which…
Q: Which of the following is an example of constant power type of load ? O Compressor O Rotary pump O…
A: Constant power load is a type of load in which its torque is roughly proportional with speed. As…
Q: 2. Determine the terminal voltage of the shunt generator develops 30.6144KW on its armature. If…
A: Draw the circuit and represent the current and the voltages.
Q: A 60 MVA, 69.3 KV, three-phase synchronous generator has a synchronous reactance Xs = 15 ohm/phase.…
A: VL=69.3 kVXs=15 Ωphase Vph=VL3=69.3*1033=39837.17 V IL=Iph=S3VL=60*1063*69.3*103=499.87 A
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- Which of the following is NOT a variable in voltametric methods? A. How the current is applied B. How the potential is applied C. The inclusion of convection D. All the above E. Type of working electrodeAlternating current is __________. Select one: A. AN ALTERNATING FLOW OF ELECTRONS B. ELECTRONS REVERSING THEIR FLOW AT REGULAR INTERVALS C. THE MOST COMMONLY USED CURRENT D. ALL OF THE ABOVECarefully define or explain the following terms in your own words (give units where appropriate): a. Electrical current. b. Voltage. c. An open switch. d. A closed switch. e. Direct current. f. Alternating current.
- What is electricalsA JFET is a driven device .... ... Select one: a. none of the above b. both current and voltage C. current d. voltageb. A piece of pencil lead is connected in series with an ammeter and a power supply. The power supply is turned on. After a few minutes, although the potential difference across the pencil lead does not change, the current in the circuit increases significantly. Explain why the current increases. c. Electric fields are caused by both point charges and by parallel plates with a potential difference across them. Describe the difference between the electric field caused by a point charge and the electric field between parallel plates. Your answer should include a diagram of each type of field and reference to electric field strength. Question 2
- What is the coupling field used between the electrical and mechanical systems in energy conversion devices? a) Magnetic field b) Electric field c) Magnetic field or Electric field d) None of the mentionedWrite the mathematical expressions for the current iL and the voltage vL following the closing of the switch.The unit of current is: Select one: O a. volt O b. coulomb O c. ampere O d. joule
- What is a “spark spread”? a. The difference between the price of electricity and fuel cost b. Difference between the price of gasoline and refinery cost c. Difference between the price of natural gas and engine cost d. None of the aboveA photo voltaic cell is a device that produces electricity from the a. absorption of photons O b. sharing of electrons O c. splitting of nucleus O d. combining of protonsQ2/A- what are the main cases of insulator failures? B-what are type testing of insulator?