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 above

Q: The unit of the magnetic flux is: Select one: O a. Tesla O b. Naper c. Ampere/meter O d. Volt/meter…

A: What is magnetic flux  Magnetic flux is defined as the number of magnetic field lines passing…

Q: 7. For a bidirectional ac voltage controlled heater with supply voltage of 230 volts, load is of 100…

A: As per Bartleby guidelines we are allowed to solve only one question, please ask the rest again.…

Q: If the speed of a DC motor is increased, what will happen to the back EMF and the current drawn by…

A:

Q: 100 kW belt driven shunt generator running at 300 rpm on 220V bus-bar, continues to run as a motor…

A: Calculate induced emf in armature in both cases and take the ratio of two induced emfs to find speed…

Q: A wind turbine gives maximum output put of 1MW at a wind speed of 15m/s. Refer to the above wind…

A: To find the swept area by the wind turbine (A)

Q: Calculate the efficiency of a 200-V, 100-kW shunt generator if the resistance of the armature and…

A:

Q: The generator of a motot-generator set is delivering its full-load output of 10 kilowatts. The…

A: Given  data: The given out put of motor generator output = 10 kW The generator…

Q: There may be more than one answe

A: Basically electric generator is a device that converts mechanical energy into electrical energy.…

Q: A Wind Generator with the following data is installed at a wind site. Upward wind velocity: 6.5 m/s…

A: upward wind velocity-6.5m/s downward wind velocity-2.5m/s length of blade=1500cm efficiency of gear…

Q: 4   What type of conversion is happening in a DC Generator.   a. DC electrical energy to…

A: A DC generator is an electrical machine.  Which convert mechanical energy into electricity.

Q: A shunt generator delivers 450A at 230V and the armature resistance is 0.03 ohms. Calculate the…

A: In this question We need to determine the shunt field resistance if generated emf  E= 243.6V…

Q: c) The O.C.C. of a DC shunt generator running at 300 rpm is as follows. 4 6. 7 Ir (A) Eo (V) 2 92…

A: It is given that: N=300rpm OCC Table:

Q: 4. Explain the importance of residual voltage in a dc generator. Note: Figures and sketches are…

A:

Q: Please write a short discussion for each number and explain.   1. Losses in a DC generator 2.…

A: Discussion about  1.Losses in a DC generator 2. Power stages in a DC generator 3. Efficiency of a DC…

Q: Iron losses in a DC machine are independent of variations in

A: The explanation is as follows.

Q: c) The O.C.C. of a DC shunt generator running at 300 rpm is as follows. 3\ 132 6. 190 4 Ir (A) Eo…

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Q: 1.86 A dc series motor with a resistance between terminals of 12, runs at 800 rpm from a 200 V…

A: we need to find out additional resistance.

Q: 1. The armature of a shunt generator has 0.08- effective resistance. Each brush has an effect…

A: In this question , we will find efficiency of dc generator.... Note :- as per our guidelines , I am…

Q: 4- A 100kW, belt driven shunt generator running at 300rpm on 220V bus bars continue to run as a…

A: Generated emf = terminal voltage +voltage drop in armature resistance +brush voltage drop. Back emf…

Q: IS (а) 40 A

A:

Q: 8. The power factor of a single phase load can be calculated if the instrument available are a. one…

A: As per the guidelines of Bartleby we supposed to answer first question only for solution of…

Q: Two 3300 V star-connected alternators running in parallel supply the following loads : 800 kW at…

A: Given, (i) The active power, P1=800 kW The power factor, cosφ1=1 (ii) The active power, P2=600 kW…

Q: following are statements regarding the relationship between the magnetic flux density and the…

A: We need to select correct option for given statement

Q: b. The apparent power absorbed by the resistor c. The peak power absorbed by the resistor d. The…

A:

Q: 1.78 The induced emf of a dc machine running at 750 rpm is 220 V. The percentage increase in field…

A: we need to find out percentage change in flux.

Q: The following figures give the O.C.C OF A DC shunt generator at 300 r.p.m 0 2 3 5 Field ampere…

A: The current speed of generator is 300rpmThe expected speed it at 375rpm.In case speed increases,…

Q: fill in the blank : In a DC Motor,efficiency is the ratio of the output power to the power…

A: b) electrical Efficiency is output / input So here  Input electrical energy Output mechanical energy…

Q: 1.3 A shunt connected dc motor draws a total current of 56 A from a 650 V supply when delivering its…

A: Usful power = power output = power developed- machanical losses.  Output voltage =(2×pi×speed×…

Q: The fuel-cost curves for a two generators power system are given as follows: C1 (P1)= 700 +20 P1+…

A: Introduction The fuel costs curves for two generators power system are given in the question as it…

Q: 1. Formed when a wire in an electric circuit is wrapped around an iron core producing a magnetic…

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Q: D. Scientists plan to do a third experiment in order to find a generator with the greatest useful…

A: Current through a conductor generates a magnetic field which is circular in nature around a…

Q: Please i need the anser quickly

A: Armature resistance is given as 3 Ω , So armature resistance per phase        Ra =32 Ω ,…

Q: Types of renewable energy

A: Renewable energy is the energy that is produced from renewable sources like sun, wind, waves etc

Q: 4.3 The power supplied to a three phase induction motor is 32 kW and the losses are 1200 W. If the…

A: In this question we will find output power...

Q: 1- In an alternator, the armature reaction influences the magnitude of Wave form of generated…

A: NOTE- “Since you have posted a question with multiple sub-parts, we will solve first three subparts…

Q: 7. When it is necessary to provide automatic control of the voltage output at constant speed, the…

A: Conceptual Background:- DC Generators:- An electrical device called a DC generator's principal job…