A transformer with Np = 20 and Ns = 30, what is the transformer ratio (a = ?) a. 25 b. No right answer O c. 1.5 d. 0.2

Q: A 23-kVA, 2300/230-V, 60-Hz step-down transformer has the following resistance   and…

A: To determine the efficiency of the transformer, we need to calculate the input and output power of…

Q: 3. An 100-kVA, 2500/125-V, 50-Hz, step-down transformer has the following parameters: R₁ = 1.50, X₁…

A: Given that ,Rated output  k VA.Induced EMF ratio  Volts.Turns ratio is   .Supply frequency  Hz.R1 =…

Q: If the supply frequency of the transformer increases, the secondary output voltage of a transformer.…

A:

Q: (b) Explain why a power transformer is ideally designed so that the flux density in the magnetic…

A: The answer is provided in the following steps.   It is best with my knowledge, please refer all the…

Q: Draw and explain the efficiency characteristics of transformer and regulation characteristics of…

A:

Q: An ideal transformer with a 500 turns primary and 125 turns secondary windings delivers 400W to a…

A:

Q: Consider the following short circuit transformer as shown in figure below which operate at: the…

A: The solution is given below

Q: C3 (ii). The primary and secondary winding of an transformer has 95 turns and 20 turns,…

A: Note :- As C3 (ii) & (iii) are not linked with each other. Both have different questions. So as…

Q: 1.10. An equivalent circuit of a transformer is given in Figure P1.10. If the load impedance is 200+…

A: Given circuit is,Voltage at the load 200+j300 is 1200⁰ volts,Asked to find the,Supply voltage?Power…

Q: In a transformer, two coils are wound around a toroidal iron core. Answer True or False. e A…

A: Transformer: A transformer is an electrical energy transfer device that either steps up or steps…

Q: 2) With the help of illustration given below, evaluate with a discussion the points mentioned in the…

A:

Q: An 100-kVA, 2500/125-V, 50-Hz, step-down transformer has the following parameters: R₁ = 1.50, X₁ =…

A: Given information is,Rated output  k VA.Induced EMF ratio  Volts.Turns ratio is   .Supply frequency…

Q: how to do a transformer empty and short-circuit test, what are the most important parameters and how…

A:

Q: 8- In core design of power transformer the number of steps increased as the cross-sectional area…

A: In core designing of the power tramsformer, the number of steps are more as the cross section area…

Q: .- Indicate whether the following statements are true or false and correct the false statements…

A:

Q: dabull (CME 446) 1 If F3=0.1 and Z3=45 Q, then the impedance of the next stage in the multi-section…

A: Given: Γ3=0.1Z3=45 Ω

Q: For the ideal transformer shown in the figure below, if E=170V and RL = 120 then the source current…

A: Step 1: Given, Source voltage E = 170 V, load resistance RL = 12 Ω and turns ratio (Np/Ns) = 2:1we…

Q: Q2 : A) For a single phase transformer, what is the condition of maximum efficiency? B) Draw the…

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Q: If a voltage source is applied to the primary while

A: The circuit diagram of a transformer and its equivalent circuit resolving the Inductors can be drawn…

Q: 5- The most effective factor on the leakage inductance of an iron-cored coil is: a) The geometry of…

A: The leakage inductance of the iron cored coil is due to the fact that the primary in not properly…

Q: (a) Describe the main difference between ideal transformer and practical transformer with help of…

A: In this question need to describe the main difference between ideal transformer and practical…

Q: answer quickly

A:

Q: Short discuss about transformer cooling...

A: Transformer:- A device that moves electric energy from one alternating-current circuit to one other…

Q: We would like to connect a 6 kVA, 120/240 V transformer as an autotransformer to a 120 V source to…

A: As per the guidelines of Bartleby we supposed to answer first three subpart only for solution of…

Q: FN.Q5 – A Transformer has primary windings as Np = 720 and secondary windings as Ns = 144. Its…

A: (a) In the question following data is given Np=720    Ns=144 Vs=42 volt Vp can be found by following…

Q: A transformer having a nominal voltage = 399V and a no load voltage = 420V at its secondary, the…

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Q: 1- A 50 Hz, 1-ph transformer has a turn ratio of 6. The resistances are 0.92 and 0.032, and the…

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Q: Complete the blank The efficiency of a transformer is maximum…

A: When the variable copper losses of a transformer becomes equal to the fixed iron losses of a…

Q: The winding of a potential transformer is connected in with the power line. ...........** Select…

A: C. Primary , parellel

Q: Solv

A: a)Transformers work on the principle of electromagnetic induction in accordance with Faraday’s law.…

Q: What assumptions did we make in deriving the relationships between the voltages and currents in an…

A: The assumption is given as: The first necessary thing is a coil having resistance, and losses are…

Q: Find the primary current and voltage.

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Q: 5. If Pc is copper losu at full load, copper loss at maximum efficiency = 6. If P, is iron loss at…

A: In this question we will write about iron loss and cu loss.... Note:- as per our guidelines , I will…

Q: Function of current transformer...

A: A current transformer is a device that generates an alternating current proportionate to the AC…

Q: 1- Why When a transformer is loaded with a constant primary the secondary voltage decreases? 2- What…

A: In this question we will write transformer related problems.... Note :- as per our guideline , I…

Three-Phase Transformers

Three-segment transformers are a type of transformer used to transform voltages of electrical systems into three ranges. Two type transformers are shell-type transformer and core type transformer. In brief, it could be described because of the exquisite kinds of configurations.

Transformer

Ever since electricity has been created, people have started using it in its entirety. We see many types of Transformers in the neighborhoods. Some are smaller in size and some are very large. They are used according to their requirements. Many of us have seen the electrical transformer but they do not know what work they are engaged in.