What is the use of acceleration factor in power flow studies? What should be its normal value
Q: Q5. When we design a 100-kW, 10000-rpm synchronous generator, should we use laminated silicon steel…
A: QN5: The synchronous generator is a 100kW and 10000 rpm machine. If we assume that it is a four-pole…
Q: a 220V shunt generator has an armature resistance of 0.02ohms and a shunt field resistance of 44…
A: Developed power in armature = power input - iron and friction losses…
Q: For 3-phase,50 Hz, SCIM, rotor leakage reactance at standstill is twice of it's resistance.The…
A: Given: For SCIM Frequency(f)=50 Hz Rotor reactance (X2)=2Rotorresistance (R2) Required: f=? for…
Q: Give the definition of percentage speed regulation.
A: Speed regulation tells about the change in speed when load is changes. It is defined as the ratio of…
Q: 1). Briefly describe the operation of the boost chopper. 2). Explain why the maximum value of the…
A: The working principle of Boost chopper is, The current in the input gets impromptu resistance…
Q: 3. What are the applications of DC Motors in present day context?
A: What are the applications of DC Motors in present day context?
Q: Please give recommendations of brushless dc motor
A: Brush less DC motor
Q: What is the use of acceleration factor in power flow studies? What should be its normal value ?
A: Acceleration factor is a value that is used to speed up the convergence and reduce the number of…
Q: What are the types of DC motors?
A: As per Bartleby guidelines we are allowed to solve only one question, please ask the rest again.
Q: A motor with polar moment of inertia Jdevelops torque according to the relationshipT = aω + b. The…
A: Given torque and load torque Calculating angular frequency by solving these two equations
Q: In D.C series motor, is the relation between load speed proportional and at which load position the…
A: No, in DC series motor, the relation between the speed and load(or can say torque) is not…
Q: Stator current, Power factor, leading or lagging? Speed and Output Torque, Efficiency,
A: Induction Motor Induction motor is a type of AC asynchronous motor which converts AC electrical…
Q: Q2/ A synchronous motor connected to infinite bus bar and drawing 35% of the maximum steady state…
A: Initial Motor drawing 35% of maximum power now the load is increased by 90 % . Therefore new power…
Q: Q1/Prove that the power developed by a three-phase induction motor is maximum when the equivalent…
A:
Q: Example 8.19. A separately excited d.c. generator, when running at 1200 r.p.m. supplies 200 A at 125…
A: In this question we will find current when speed dropped for separately excited dc generator....
Q: Two similar 6,600-V, 3-φ, generators are running in parallel on constant-voltage and frequency bus…
A:
Q: 3-phase, 50 Hz, 4-pole, 220 V, 10A ASM has an ASM 0.85 back power coefficient. stator copper losses…
A: Part (a): It is given that the line voltage of ASM is 220 V and the line current is 10 A with a 0.85…
Q: QI Prove that the power developed by a three-phase induction motor is maximum when the equivalent…
A:
Q: Two identical synchronous machines having same inertia constant are connected in parallel and…
A: Given: Two identical synchronous machines having same inertia constant are connected in parallel and…
Q: Pls explain the following. 1. What is Torque in DC motor and its types
A: Simple problem on electrical machines. Look below for the solution once:-
Q: What is the effect of variation of speed on build up?
A: What is the effect of variation of speed on build up?
Q: From the curves above find: the stall torque ?? in mN-m, the no-load speed ?max in rpm and the…
A: From given data, we have to find i) stall torque in mN-m ii) the no-load speed max in rpm iii)…
Q: shaft torque; and,
A: The equation for the shaft torque is given as the equation for omega is given as
Q: Discuss in detail about the steady state performance synchronous machine operation, when connected…
A: The steady-state characteristics of a synchronous motor : It can be represented by phasor diagrams…
Q: With the aid of mathematical expressions where necessary, explain the following terms with respect…
A:
Q: What is the relationship between Full-load Torque and Maximum Torque, Prove that?
A: To derive: The relationship between Full-load Torque and Maximum Torque: The full load torque τfl…
Q: Explain the functioning and applications of hybrid stepper motors. With the help of neat diagrams,…
A: Motor is a device which converts electrical form to mechanical form. Stepper motor is a special…
Q: When drawing the steady state electrical model (for an AC induction motor), is the stator armaturre…
A: Here is the equivalent circuit of Induction motor
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: this behavior using its torque-speed curve.
A: Please find your answer below in step 2
Q: Draw and explain the power flow diagram of Induction machine from motor input to mechanical power…
A: Power flow of induction motor: Power flow diagram of Induction Motor discloses the data given to the…
Q: Q1 (а) With aid of suitable diagram, explain the losses and power-flow of an induction motor.
A: To know how the power flow in the case of an induction machine we need to draw a power flow diagram.…
Q: 6. Fundamental torque equation of motor-load system, drive steady state operation, finding…
A: A motor, in most cases, drives a load (machine) via a transmission system. The load may spin or move…
Q: What type of DC motor would you prefer to be used in future coming electric vehicles? Give…
A: Electric vehicles are very useful to control the pollution for survival of future generation. The…
Q: Q1 (a) Sketch the torque-speed profile of DC motor, induction motor, and synchronous motor. (b)…
A:
Q: base on below mentioned Comparison of the performance indexes discuss and advice best induction…
A: Given chart is - Given values are - AAC Ltd. Induction motor-Efficiency=85.9%Speed…
Q: Two separately excited DC generators are connected in parallel to supply a total load current of 100…
A:
Q: For a load such as PWM adjustable speed drives, the true power factor is equal to the displacement…
A: the true power factor is same as the displacement power factor in case of the linear load.
Q: Q5/ in a DC motor. List and describe the types of losses that occur
A:
Q: 13. A synchronous machine is run as an unloaded motor. If a low voltage is supplied at the rated…
A: Under no load condition, synchronous machine will only draw a small current to mainly compensate…
Q: Q1 (a) Sketch the torque-speed profile of DC motor, induction motor, and synchronous motor.
A:
Q: analyze 3 commonly used ac motor starting methods using suitable diagrams and torque-speed curves
A: Starting of a 3-phase induction (AC) motor: A 3-phase induction motor is widely used in industries.…
Q: A 25kW, 250V DC shunt machine has an armature and field resistances of 0.060 and 1000 respectively.…
A: It is given that: Rated power, P=25×103 kW Terminal voltage, V=250 V Armature resistance, Ra=0.06 Ω…
Q: 14 Consider an 82-m (diameter), 1.65-MW wind turbine with a rated wind speed of 13 m/s. a. At what…
A: Note - according to Bartleby guidelines we are supposed to solve only 3 subparts. kindly repost the…
Q: Q3/ A/ A3-phase, 5.5kW, 440V, S0HZ, cylindrical rotor S.M has synchronous reactance of (0+j2)…
A:
Q: Q4/B/ What are the principal characteristics of a series DC motor? What are its uses? Core
A: There are mainly three principle characteristics of dc series motor Torque vs armature current :…
Q: Q2 / A synchronous motor connected to infinite bus bar and drawing 35% of the maximum steady state…
A:
Q: Q1) Why is a starting resistor used in DC motor circuits?. Explain in detail.
A: As per Bartleby guidelines we are allowed to solve only three subparts, please ask the rest again.
Step by step
Solved in 2 steps with 1 images
- What is Equation to find Slip, Output horse power, Torque, Stator current, p.f, Efficiency, From this result and we have Frequency and poles this result from load test of an induction motorwhy field current remians constant in relationship between generated EMF and speed relationship? why voltage constant is constant elationship between generated EMF and speed relationship? short answer but preciseQ2 / A synchronous motor connected to infinite bus bar and drawing 35% of the maximum steady state power. If the load increased by 90% , would the synchronism be lost ? What is the maximum value of load angle for a new steady state rotor position ?
- Write a short repont about using internet of things (loT) in speed control af a three- phase induction Motor.2. What is Commutation in DC Machines? What are the methods you will suggest to improve the commutation problems? Prepare 1 page word typed answer and upload in the turnitin - Reference must be added ؟ - Diagram should draw ؟IV. What are the various losses in an induction motor? On what actors do they depend?
- (v) Define the term of degree of compounding in DC generators. What are the applications of different types of compounding?What are the design and operating criteria for extreme contingency? Derive the swing equation to describe the rotor dynamics and extend this equation for explaining the multi-machine system.Describe how the starting torque and current can be improved in induction machines, both wound rotor and squirrel-cage rotor types, through machine structural design or method of operation.
- Define the term of degree of compounding in DC generators. What are the applications of different types of compounding?Explain the concept of load transfer between the DC generators operating in parallel using load -voltage characteristics.(TRUE OR FALSE) - Energy conversion of DC generator is based on the principle ofproduction of dynamically terminal voltage. - Increasing the speed of DC motor, the back emf will decrease but theline current falls. - The current drawn by the armature of DC motor is directly proportionalto torque.