DC series motor

Q: DC series motor should strat with load. Select one: O True O False

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Q: Enumerate industry applications of induction motor and synchronous motor.

A: Induction motor working Principle When an ac supply is connected to a stator it creates a rotating…

Q: the motoring induction mạchine at 40 hp. Neglecting the slight change in the generating machine…

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Q: 9) Provide one general method to control the speed of an induction motor.

A: The rotor speed (Nr) of an induction motor is given by,𝑁𝑟=(1−𝑠)𝑁𝑠And the synchronous speed is…

Q: Give Some application-s of motor,

A: A brief about DC Series Motor DC Series Motors have high starting torque and their speed…

Q: (C)-Draw the mechanical characteristic of shunt and series DC motors. dienas SKINVER

A: Graph are provided,x and y axes are labelled with typical notations.

Q: 5) The method (s) to improve the Power Factor: a. Use of synchronous motors. b. Use of synchronous…

A: The explanation is as follows.

Q: Discuss the effects of rotor resistance in T-S characteristics of 3 phase induction motor.

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Q: The speed regulation of DC series motor is lesser than the DC shunt motor  True  False

A: The speed regulation of a DC shunt motor is very less ( since it's speed is almost constant at all…

Q: 2. Describe the Torque-Slip characteristics of a three phase induction motor.

A: As per bartleby guideline for more than one question asked only first is to be answered please…

Q: 16   In the speed current characteristics of DC series motor, the speed is decreasing when the…

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Q: List down 3 main parts of DC motor

A: A DC Motor is a machine that converts  DC electrical current into mechanical energy. In a DC motor,…

Q: Explain the improvement of transient stability by using turbine fast valving method.

A: Explain the improvement of transient stability by using turbine fast valving method.

Q: Write four disadvantages of stator voltage speed control method of 3-phase induction motor

A: Stator voltage speed control method: It is the speed control of 3-phase induction motor by…

Q: In speed coontrol of dc motor, the tachogenerator is used as control unit. Select one: True False

A: Tachogenerators are also called as tachometer generators. The tacho generators are used to generate…

Q: Shunt generator will build up its voltage when: Olts field resistance higher than critical value.…

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Q: Structure of Stationary Armature Synchronous Machines Synchronous Machines with Protruding Pole…

A: Synchronization equipment is a flexible electric motor (such as a generator or motor) with a…

Q: 1) Derive the transfer function of Amature controlled DC shunt motor

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Q: Name the major parts of a DC motor

A: DC motor is a device which converts electrical energy into the mechanical energy. The major parts of…

Q: Write short notes on capacitor start single phase induction motor and Capacitor start capacitor run…

A: Starting of Single phase motor Split Phase Motor Capacitor Start Capacitor Run Motor Capacitor…

Q: An induction motor has 8 poles and an electric Frequency of 50 Hz. Computer the synchronous speed in…

A: Given data, Number of poles P = 8 Frequency f = 50 Hz

Q: Differentiate between a cumulative compound DC generator and a differential compound DC generator.

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Q: Give impacts of split phase induction motor on users

A: The  induction motor of split phase type is a single-phase induction motor having a starting or the…

Q: BLOCK

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Q: Plot the external and internal characteristics of shunt generator

A: To plot the internal and external characteristics of the DC shunt generator.  The external…

Q: Three Phase Induction Motor Load Test, . At what load will the efficiency be maximum

A: The answer as given below:

Q: - In speed control of dc shunt motor, the speed is inversely proportional

A: The relation of back emf generated in D.C. motor is given as, Here, k is the proportionality…

Q: Draw Block diagram and transfer function of DC series motors

A: A DC series motor venture is to show the electrical electricity into mechanical one primarily based…

Q: What is the use of commutating poles in a DC machine?     To stabilise the speed     To increase…

A: In this question we need to choose a correct option

Q: Which of the following phase sequence of harmonics causes torque pulsing (parasitic torque),…

A: Choose the correct option     Which of the following phase sequence of harmonics causes torque…

Q: Consider a single phase synchronous machine of cylindrical rotor type. A single phase supply is…

A: The solution is provided in the following section:

Q: An induction motor has 10 poles and an electric frequency of 50 Hz. Computer the synchronous speed…

A: Given data, Number of poles P = 10 Frequency f = 50 Hz

Q: The frequency of emf in the stator of a 4 pole, 3 phase induction motor is 50 Hz and that in the is…

A: In this question we will find slip and speed of motor....

Q: Three Phase Induction Motor Load Test, . At what load will the efficiency be maximum

A: Electrical machines can be either generator or motors. They can be either Ac machines or DC…

Q: Derive the power equation for DC motor. Give the different loud-torgue :curves for each, DC. motors

A: Types of DC Machine Self Excited DC Machine Shunt DC Machine Series DC Machine Compound DC Machine…

Speed control of motor

Speed control by DC motor-speed controller is required to realize variable speed drive. Whenever a motor drives a particular load, it is called drive, and variable speed drive refers to a load requiring variable speed. All this is obtained by a DC motor speed controller.