E1 + 마 R1 w | 오 + a 올 Vab R2 W + * E2

Q: Explain the effects of power factor on motor effects

A: Given: Effect of power factor on motors

Q: Q.2 A skuntmator has asupply Voltiga = 200 Volt , armature resistance =4 S2. At certain lond the…

A: Vt=200vra=4 ohm N=1200 rpm ω=2πN60=2π*120060=125.66 rad/secCurrent supplied from supply IL=10AField…

Q: What are the conditions to be satisfied when performing parallel operation?

A: ANSWER: Necessary conditions to perform parallel operation of Alternators and Transformers

Q: (a) Explain different types of dc machine with suitable diagram (b) Explain how the commutation…

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Q: What is an indicating instrument? Which torques are essential for functioning of indicating…

A: Given that What is an indicating instrument? Which torques are essential for functioning of…

Q: In an DC machine, ______________________________ provides the mechanical support to the whole…

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Q: ———- produces torque reversal of the armature

A: DC machines : The DC machine can either be a motor or a generator. Generator is a machine that…

Q: Tell me the advantages of speed control using thyristor?

A: It is asked to explain the advantages of speed control using thyristor.

Q: Armature current is the current that flows in the: Select one: O a. Transmission line O b. Rotor of…

A: Generator convert mechanical power in to electrical power. Generator work on the principle of…

Q: What is the use of auxiliary contact in the magnetic controller?

A: The auxiliary contact is often used for the transmission circuit One contactor can have many…

Q: What is a Vertical Speed Indicator?  -Operation -Parts

A: Vertical Speed Indicator      "flight instrument that indicates the rate of climb or descent or the…

Q: What is control system?

A: A control system is a kind of system which is use to obtain the desired responses by controlling the…

Q: What are the advantage of using the DC transmission system?

A: For DC transmission system, there are only two conductors used. In this kind of transmission system,…

Q: What is meant by Armature reaction? Explain and Draw?

A: There are two types of winding in an electrical motor or generator, one is the stator winding and…

Q: The "power cube" transformer for a portable CD player has an output of 5.7 V and 550 mA (both rms)…

A: Given, A power cube transformer has Secondary voltage, V2=5.7 V Secondary current, I2=550 mA Primary…

Q: Explain the significance of Fluid friction damping in an indicating Instrument.

A: Fluid friction damping is similar to air friction damping in which air is replaced with fluid.…

Q: Find the feed forward, open loop, error and closed loop transfer functions for the following system.…

A: Transfer function:  The ratio of the Laplace transform of output to the Laplace transform of input…

Q: a. b. C. Explain briefly the different between open-loop and closed-loop system. List four…

A: a. Open-loop control system Closed loop control system In this type of control system, the…

Q: What is the basic principle of an electric motor and generator?

A:

Q: SHow do you reverse the direction of rotation of a d.c. shunt motor?

A: In the given questions we need to discuss about How to reverse the direction of rotation of a d.c.…

Q: In series compensation, if the series applied voltage is in quadrature with the liner current: A.…

A: Given voltage across the series compensator is in quadrature with line current (i.e. 90 degrees ),…

Q: Which one of the following is the application of DC machine? O a. Pumps O b. Oven O c. Cranes O d.…

A: DC motors are divided into three types 1 Series motor, 2 Shunt motor, and 3 Compound motor. The…

Q: Why the armature of a DC machine is made of laminated silicon steel? Your answer

A: In this question ,we have to write the reason why the armature of a DC machine is made of laminated…

Q: What do you mean by manometric efficiency, mechanical cy and overall efficiency of centrifugal pump…

A: Manometric efficiency: The ratio of the manometric head to the head imparted by the impeller to…

Q: dentify and describe the basic functional elements that could be used in closed loop control for the…

A: Closed-loop Control system -  A closed-loop control system, also termed a feedback control system,…

Q: Explain the meaning of CASCADE Control system (Serie ). a.Give a practical example of this Cascade…

A: When there are multiple measurements but only one control variable available, then the system called…

Q: 3. A 230 V series motor is taking 50 A. Resistance of armature and series field windings is 0.2 £2…

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Q: Explain Virtual short precisely?

A: In Operational amplifier (OPAMP) virtual short between the two nodes is the steady state voltage of…

Q: What is grading of a relay? Explain the time-current grading of an over current relay

A: In radial system number of feeders are connected in series. When providing the over current…

Q: hat type of system we can use Proportional only control? Why we do not use Integral only controller?…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 2-2.A machine placed in a vigorous tidal stream might reach its rated power at a stream speed of 5.9…

A:

Q: Explain the electrical flow ?

A: Electric current is one of the most basic concept that exists within electrical and electronics…

Q: Explain how Kirchhoff's Current Law serves as the founding principle of a grounding strap.

A: KCL is a fundamental principle in electrical circuit theory that states that the total current…

Q: How can you safeguard your machine against sudden voltage changes?

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Q: Why high voltage AC transmission is always preferred? Give any six reasons.

A: In this question we discuss why high voltage AC transmission is always prefer.

Q: 015/ExPlain in bries The constreeetion of a Dc machine.

A:

Q: Even after the huge technological advancements in power electronics, why direct current  is not…

A: Direct-current transmission A constant electric voltage is applied, from which devices will draw a…

Q: For the closed-loop control system described by the block diagram shown in figure below. determine…

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Q: Control Systems. Explain why it is

A: Open Loop System (OLS)-A system having a input in the system which does not depends on the system…