When selecting motor overload protection devices from where is the full load ampere rating taken?

Q: Does varying the motor field current Ip vary the motor speed n? O Yes O No Does varying the motor…

A: In this question we need to verify the given statement is true or false.

Q: What is the basic drive system includes?

A: An electrical drive system has only five functional components.

Q: Explain the operation of maximum power point tracking system in case of uniformly irradiance and…

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Q: What determines the type of motor enclosure selected for a particular application?

A: The factors which determine the type of motor enclosure selected for a particular application are…

Q: what are designed to protect the motor from an overload condition

A: Overload motor: A motor is connected with excessive load, draws more current, and produces…

Q: 1. What is the full-load current of a 500-volt, DC, 20-horsepower motor?

A: Given data  Voltage  V = 500 volt  Power   P = 20 horse power  Full load current  I = ?

Q: 30. Excluding slip, at what speed (r/min) with a four-pole, 60 Hz, 240 Volt motor runs?

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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: what must be done to prevent excessive motor current?

A: To prevent the excessive motor current various protection schemes are applied for different motor.…

Q: Explain operation of a battery ignition system?

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Q: When calculating motors, why do we use the NEC table amperage instead of the nameplate amperage?

A: In the table of National electrical code (NEC) full load motor current higher to the motor's name…

Q: How can you reduce the amount of voltage applied to the motor during inching?

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Q: 1. What is the operating threshold current of the residual current relay used for the end-users?

A: Residual current relay is also known as residual current device or RCD. It is used for the…

Q: What safely feature does the conbination starter provide that individual motor starting assemblies…

A: The combination starter consists of an across-the-line starter and a disconnect switch. It has a…

Q: what is nuisance tripping?

A: Nuisance tripping is the repetitive tripping of the RCD in absence of any serious hazard. The…

Q: Question 2: What is the "power swing"? Explain, how power swings may affect the operation of the…

A: In this question we discuss how power swing effects the distance Relay.

Q: 5. What is the full-load current of a 230-volt, 3-phase, 125-horsepower synchronous motor when it is…

A: In this question,  We need to determine the full load current if Power factor = 80% Voltage VL =…

Q: Draw the simple Motor Start/Stop Control circuit we have been working with in class. Be sure to…

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Q: When can full-voltage starting be used?

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Q: What parameters need to be considered while choosing a motor for an electric vehicle?

A: Electric vehicle: This vehicle work on electricity instead of diesel or petrol. Electricity is…

Q: Why is proper grounding important?

A: Ground potential:  Ground potential has zero reference level used in a system to measure and apply…

Q: Name the three drive configurations that a gear set can transfer torque?

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Q: To what does the code letter on a motor nameplate referencia?

A: NEMA defines locked rotor kVA per horse power with a series of code letter (A to V).  Generally, the…

Q: Explain the difference between manual motor starters that provide low voltage release and those that…

A: The difference between the manual motor starters mainly depends upon the mode of Starting. Thev…

Q: 6. What is the full-load current of a 600-volt, 3-phase, 50-horsepower induction motor?

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Q: Explain the working of induction cup relay with the help of diagram.Explain all the parts in detail…

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Q: 3. What size inverse time circuit breaker will be required for short-circuit and ground- fault…

A: The power rating of the motor is 1 HP.Since the type of motor is not specified, because of the lower…

Q: Where can you find the low/high voltage connection diagram of a motor?

A: As per the NEMA, the low/high voltage connection of the motor can be classified by the number of…

Q: Q 127. technician a says a throttle by wire system [ETC] eliminate the need for a cruise control…

A: ETC SYSTEM-   ETC stands for the Electronic throttle system.    It is an automatic technology…

Q: Consider the block diagram shown is for a closed-loop temperature control system. Where is the…

A: Given: The block diagram for a closed loop temperature controlled system is,

Q: 1. Consider one of the advanced driver assistance system(ADAS) called as adaptive cruise…

A: (i) Explain how the ACC system works. What are the minimum required sensors? (I) solution :  Q1.What…

Q: If the speed of the driving motor falls due to loading what will be the effects?

A: A motor is a device which convert electrical energy into mechanical energy.The speed (RPM)of a motor…

Q: For a start-stop push button control circuit that has been reconnected so that the start button is…

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Q: What is the use of dc motor and motor belt in automatic curtains?

A: DC motor- A DC motor is a machine that converts the DC input fed into the armature (assuming the…

Q: Write a ladder program for two-motor control program, so that when the ignition switch is closed,…

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Q: Worn armature bearing can result in higher than normal starter cranking current draw ? True or false

A: The above statement is true.

Q: draw the cicuit diagram of the chopper circuit which is used in forword braking operation?

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Q: motor nameplate reads 230/460 volts, 30-15 amperes. When connected to a 460-volt supply, how much…

A: Nameplate rating of motor contains many things like Voltage, frequency, phase, current, power…

Q: 4. How do you adjust the slope of the percentage differential relay?

A: PERCENTAGE DIFFERENTIAL RELAY: The percentage differential relay is a relay that operates on the…

Q: Assume the motor is running. What happens when the stop button is pressed and then the start button…

A: While the motor is running and if the stop and start button are pressed alternatively. Their effect…

Q: what advantage is there in using combination starters?

A: The advantages of using combination starters are given below:   The starter can be operated in the…

Q: What is the function of the zero adjust control  in a multi-meter?

A: Function of the zero adjust control in a multi-meter: The meter should be zeroed. This is achieved…

Q: Draw a circuit diagram of two start push button for synchronize operation with single emergency stop…

A: Circuit diagram of two starts push button for synchronize operation with single emergency stop and…

Q: Technician A says that electronically controlled power-steering systems allow for power assistance…

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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…