3- explain the regenerative braking?
Q: Explain self-controlled synchronous motor drive with neat diagram.
A: A Self Controlled Synchronous Motor Drive consists of a load commutated thyristor inverter.the…
Q: Why must the field winding left connected across the supply during the braking period?
A: The explanation is as follows.
Q: (Q.1) With necessary examples, explain the operation of a differential relay. What are the…
A: Principle of Operation of a differential relay∙A differential relay is a relay which operates when…
Q: List the advantages of using damper bars in synchronous machines?
A: to list the advantages of using damper bars in synchronous machines
Q: 1. Explain the effect of increasing the armature voltage on the behavior of the series wound machine…
A:
Q: 4) What type of protection relays are used from past to present? Summarize the developments of…
A: Relay is an electrical device that is used to detect any unusual condition or faults in electrical…
Q: With the aid of suitable equivalent circuit of DC motor, briefly explain the purpose of braking…
A: You have asked multiple independent questions. We are authorized to answer one question at a time.…
Q: Explain the effect of increasing the armature voltage on the behavior of the shunt wound machine…
A:
Q: Briefly describe the regenerative braking method of a DC motor. Where it is used? For the toolbar,…
A: The detailed answer is solved below according to the given parameters and instructions in the…
Q: Question-4: A 3-phase, Y-connected, 50 Hz, 8-pole, 380 V, 200 kVA salient pole synchronous machine…
A: Given,, 3-phase, Y-connected, 200KVA f=50 Hz P=8 VL=380V Direct axis synchronous reactance, Xd=1 ohm…
Q: Why the open-loop system is unsuitable for motor position control I. Affected with disturbance II.…
A:
Q: Explain regenerative braking in detail , as applied to electric locomotives
A:
Q: Draw the circuit diagram of the chopper circuit which is used in forward motoring and forward…
A: Explanation: Before detailed analysis some basic idea regarding Vo – Io quadrant is required…
Q: For what purpose was the asynchronous motor idle test performed? Please explain.
A: Need to find For what purpose was the asynchronous motor idle test performed?
Q: Describe the effect of the step size on the slope overload phenomena?
A: Slope overload phenomenon happens when the slope of the input signal is greater than the delta…
Q: Explain the working principle of Forward-Reverse, Start-Stop and Jog Motor control with your unique…
A: Motor- A device which converts electrical energy into mechanical energy. The speed of motor is…
Q: Dynamic braking is also known as rheostatic braking system of DC motor True False
A: A breaking resistor is connected across the armature and when dc motor is disconnected from supply…
Q: a) Explain the shunt-winding type universal motors.
A: As per our policy, i am attempting first question. Shunt-winding type universal motors, The…
Q: Provided that the asynchronous motor driver keeps the slip value constant how does the speed of the…
A: Asynchronous Machine- An asynchronous motor is a machine whose rotor rotates at less than…
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A:
Q: Using 300 words, explain Synchronous Motor V Curve. Thank you...
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Q: Briefly describe the regenerative braking method of a DC motor. Where it is used?
A:
Q: Question 1: Explain the structure and the operation principle of one phase motors. Question 2: Why…
A: It is asked to explain the structure and operation principle of one phase motors. Since no other…
Q: 1- List the advantages of using damper bars in synchronous machines?
A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…
Q: For what purpose is the short circuit test performed in asynchronous motor? Please explain.
A: Need to explain about short circuit test in asynchronous motor
Q: Explain the effect of increasing the armature voltage on the behavior of the shunt wound machine…
A:
Q: Explain regenerative braking in detail as applied to electric motive
A:
Q: Briefly describe the regenerative braking method of a DC motor. Where it is used
A:
Q: Explain the effect of increasing the armature voltage on the behavior of the. series wound machine…
A: A series wound DC motor works as a shunt wound DC motor or compound wound DC motor in the category…
Q: Draw the circuit diagram of the chopper circuit which is used in forward motoring and reverse…
A: To Draw the circuit diagram of the chopper circuit which is used in forward motoring and reverse…
Q: Overload protection for motors is achieved by connecting _________. Explain how possible.
A: Need to explain overload protection for motors is achieved by connecting
Q: 3. Why must the field winding left connected across the supply during the braking period?
A: As we know, E=kϕω E is constant at the start of breaking. ω∝1ϕ
Q: H.W/ Definition all these terms: 1- Slip rings 2- armature reaction 3- synchronous motor V curve 4-…
A: Slip rings: Slip rings are connected to the rotating part of the machine to draw or supply…
Q: State if the statement is true or false. Over-powering results in high overhead charges,…
A: State if the statement is true or false. Overpowering results in high overhead charges, inefficient…
Q: 2. What are the advantages and disadvantages of the plugging braking
A: there are two types of breaking systems applicable for the induction motor which are as follows,…
Q: What are the advantages and disadvantages of the plugging braking
A: In this question we will write about plugging braking.....
Q: Why the open-loop system is unsuitable for motor position control I. Affected with disturbance II.…
A: Open loop controllers are not used for motor position controls as open loop system is not reliable…
Q: Explain the effect of increasing the armature voltage on the behavior of the series wound machine…
A: we need to explain the effect of increasing the armature voltage on the behaviour of the series…
Q: Define Infinite Bus, damping torque, synchronous torque, power oscillation in a Power System,?
A: Infinite Bus: In the power system, a bus with fixed voltage and frequency is called…
Q: a-draw the circuit diagram of the chopper circuit which is used in forward braking operation.…
A: A two quadrant Type-A chopper or commonly known as Type-C chopper will serve the purpose here.…
Q: Draw the circuit diagram of the chopper circuit which is used in forward braking operation. )
A:
Q: 7- Discuss the three method of speed control from results obtained, which method is perfable and for…
A:
Q: H.W 1- List the advantages of using damper bars in synchronous machines?
A: The principle of operation of synchronous machine is electromagnetic induction. If there exist…
Q: Which type of VSD is suitable for regenerative braking?
A: For practical Applications, it can be assumed that 15% to 20% of energy dissipated during the…
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- What is the schema for? - Three-phase four-wire system power measurement for unbalanced load, artificial neutral wire method. - Three-phase four-wire system power measurement for balanced loads, artificial neutral wire method. - Three-phase power measurement for unbalanced load, artificial neutral point method. - Three-phase power measurement for balanced loads, artificial neutral point method.Given the circuit diagram in Figure 2, please set up the nodal equations inmatrix format (YV=I). Assuming the current injection at each bus i is Ii = IGi - IDi , where IGi is the current injection into the bus from the generator and IDi is the current flowing into the load.Need proper justification
- TOPIC: Transmission Lines, Power Systems, and Powerplants:INSTRUCTIONS:- Answer in this format: Given, Illustration, Required Conversion, Solution, Final Answer.- Step-by-step solution, do not skip even simple calculations to avoid confusion.- If answered in written form, make sure it is readable.PROBLEM: A three-phase short circuit occurs at F in the system of the figure given. The generator is loaded to 80 percent of its capacity at the time of the fault, and the receiving-end power factor is unity. Determine the rms per-unit current in one phase at F just after the occurrence of the fault (pu). 5.81 6.02 3.01 7.25. A commercial Building, 60hz, Three Phase System, 230V with total highest Single PhaseAmpere Load of 1,088 Amperes, plus the three-phase load of 206Amperes including thehighest rated of a three-phase motor of 25HP, 230V, 3Phase, 68Amp Full Load Current.Determine the Following through showing your calculations. The Size of THHN Copper Conductor (must be conductors in parallel, either 2 to 5sets),TW Grounding Copper Conductor in EMT Conduit.b. The Instantaneous Trip Power Circuit Breaker Sizec. The Transformer Sized. Generator SizeThe data obtained in the idling test performed on a three-phase star-connected asynchronous motor; It is 1200V, 5500W, 9.5A. The data obtained in the short circuit experiment on the same motor is 250V,It is 14500W and 100A. For the case where the slip of the motor is 5%, create the approximate equivalent circuit of the motor (L type equivalent circuit), draw the equivalent circuit, find the values of the circuit elements and MUST AND MUST write them ON THE EQUIVALENT CIRCUIT. R and X values will be used in circuit elements, not Z.
- Discuss the concept of load shedding and its significance in maintaining a stable power system.Differentiate between murray loop test and varley loop test? Do tell their advantages and limitations... Course is power transmission system...Differentiate the Double Breaker Bus System vs. Double Bus System. Which do you think is more suitable to have a more reliable power supply?
- Discuss the importance of safety in an engineering maintenance from Kasapreku’s case scenario?How do FACTS (Flexible Alternating Current Transmission Systems) devices improve power system control and stability?Explain the concept of electrical load balancing in power systems. How is load balancing achieved, and why is it important for the stability of the electrical grid?