Write in Briefly about circuit breaker, current transformer and voltage transformer

Q: e) Explain the most harmful harmonics for power transformers.

A: Need to find most harmful harmonics for power transformer

Q: How do the auto-transformer on no-load and the unioaded voltage divider behave in relationship to…

A: It is asked how an auto-transformer on no-load and an unloaded voltage divider behave in…

Q: (a) Write the four reasons for the voltage drop in a system. (b) Discuss about the tap changing…

A: Since there are multiple questions uploaded within the same question, thus solving the first…

Q: Write the specification of transformer and voltage regulator

A: Transformer: At constant frequency, The device that converts electrical energy from one ac circuit…

Q: A typical single-phase transformer has a certain value of voltage regulation when connected to the…

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Q: During the load test of single phase transformer, When the secondary terminal voltage decreases, the…

A: Voltage regulation of the transformer can be calculated using the following equation  Voltage…

Q: Calculate the cantilever equivalent-circuit parameters as referred to the transformer high-voltage…

A: I have solved for both parts

Q: True or False    3 - Single Phase Transformers cannot be used to replace a 3-Phase transformer.

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Q: (a) With neat diagram explain potential transformer.

A: a- Potential transformer - Also known voltage step down transformer or voltage step down…

Q: (a) Sketch a basic transformer structure. Identify and labelled the core, primary winding and…

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Q: Name the losses in the transformer

A: Basically, the losses in the transformer are of two types: Core losses or iron losses Copper losses

Q: The construction of a Linear Variable Differential Transformer (LVDT) is shown in Figure 2.

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Q: Detailed description of open circuit test on single phase transformer

A: In this question we discuss about open circuit test of transformer .

Q: Describe the functions of the transformer, capacitors and voltage regulator in power supply circuit.

A: In this question we need to describe the functions of the transformer, capacitors and voltage…

Q: disadvantages of potential transformer.

A: Potential transformers, which drop a circuit's voltage to a lower voltage for measurement, are also…

Q: A15 The rating of transformer is stated in terms of

A: In this question , we will writr rating of transformer..

Q: What is the difference in connection between a voltage transformer and a current transformer?

A: We know that the electrical instruments are not directly connected to the control apparatus or the…

Q: 4. What do you mean by transformer connection Ydl and Dy11?

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Q: Determine the load sharing in MVA for each transformer. Draw the parallel transformer diagram for…

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Q: Determine the transformer equivalent circuit parameters.

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Q: Construct the Equivalent Circuits of Transformer for distribution substation referred to the primary…

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Q: )A. Draw approximate transformer model into all quantities of a secondary referred to primary.…

A: Transformer model  Equivalent transformer circuit diagram:-  Secondary referred to primary side

Q: Differentiate Step-down Transformer and Step-up Transformer

A: The transformer is a device that transfers electric energy from one circuit to another. Based on the…

Q: Question 1 The shell type transformer has more leakage flux compared to core type transformer True…

A: The leakage flux in core type transformer more than that of shell type transformer .Because the core…

Q: List and describe the types of losses that occur in a transformer

A: Transformer is a static device . Hence there will not be friction or windage losses . The only…

Q: xplain the losses of transformer due to

A: The transformer experiences a variety of losses, including dielectric loss, hysteresis loss, eddy…

Q: If a transformer is to be taken out for maintenance, as an engineer, outline the switching sequence…

A: Switching sequence – To turn on or off a bus bar, equipment, power plant requires expertise and…

Q: Consider the occurrence of single line-ground fault at the neutral end of a Y connected primary…

A: Consider the occurrence of single line ground fault at the neutral end of a Y connected primary…

Q: Draw the schematic diagram of Potential Transformer and label the parts. Also mention the range of…

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Q: When a closed- delta bank is changed to operate as an open-delta bank, the capacity of the…

A: If one of the transformer of delta-delta connection is removed , then also power can be transformed…

Q: The losses found in a transformer

A: There are two types of losses that occur in the transformer. 1. Core loss 2. Copper loss Apart from…

Q: (a) A differential protection scheme protecting a transformer may misclassify the inrush current as…

A: Types of Transformer protection Overcurrent protection Differential protection Earth Fault…

Q: in the blanks for the following: winding 1- The transformer called step-up transformer, when the…

A: A step up transformer will have,

Q: Which transformer is used for welding application? Explain the operation in detail with diagram.

A: Need to find which transformer is used for welding application

Q: For short circuit test on 400v/1200v transformer which voltage side will be shorted?

A: The explanation is as follows.

Q: A differential protection scheme protecting a transformer may misclassify the inrush current as…

A: Types of Transformer protection Over current protection Differential protection Earth Fault…

Q: Explain the operation in detail with diagram for transformer used for welding Please don’t…

A: 1. Welding transformer is a step down transformer.   2. Core of primary winding is thin and has more…

Q: TRUE or FALSE: If a transformer is loaded from full-load value to half-load value, then the amount…

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Q: What is the per unit impedance of a 50 MVA, 2% impedance transformer if the base is changed to 100…

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Q: Why transformer rating in kva

A: According to the question we have to explain why transformer rating in kva.

Q: 3) Design and develop an equivalent circuit for a transformer in which the reistance and leakage…

A: FIND: develop an equivalent circuit for a transformer

Q: Example 22: In a single-phase transformer, the magnitude of leakage reactance is twice that of…

A: Given that magnitude of leakage reactance of transformer is twice that of resistance of primary and…

Q: voltage side. The voltage regulation of this transformer for the secondary

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Q: 1. Discuss in detail about the tap changing turansformers. Explain how tap: changing transformer is…

A: Tap changing transformer

Q: (B)- Explain briefly, How can be minimized the core lossés in transformer

A: Core loss in transformer : Core on the transformer exist only when the transformer is energized it…

Q: Define all the losses in the transformer with the diagram and then define the hysterisis loss with…

A: When the transformer is woking on the no-load condition, there are two components of the losses.…

Q: A 36/240 V phase transformer, belonging to a phase measured from the no-load (idle) run and…

A: transformer ration is 36/240 V  OC test performed on LV windings SC test performed on HV windings

Q: When one of the system conductors is grounded at the transformer, the other system conductors rise…

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Q: Calculate the iron loss and copper losses of each transformer for full load condition in back to…

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Q: current transformer

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Types of Charge Carriers

A carrier is a type of object which carries a particular thing from one point to another point. For instance, people use different vehicles from one place to another, and the vehicle carries those people and acts as a carrier.