The path of a magnetic flux in a transformer should have
Q: Draw approximate transformer model into all quantities of a secondary referred to primary
A: Transformer: A Transformer is a static a.c device used either for raising or lowering the voltage of…
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Q: Draw and explain the efficiency characteristics of transformer and regulation characteristics of…
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Q: What are components of transformer
A: Solution: A transformer is a device ,which uses electro magnetic induction to transfer energy from…
Q: How does change in frequency affect the operation of a given transformer? with a decrease in…
A: Transformer:
Q: 1. Explain the working principle of transformer with neat sketch and what are the losses occurred in…
A: Working principle of transformer Transformer is a electrical passive device it amplifies voltage at…
Q: dentify the test used to measure the copper losses of the transformer. With necessary diagram…
A: For finding the copper losses of transformer we do short circuit test as explain below in step 2
Q: explain how the type of loading affects the voltage regulation of a transformer
A: There are two type of loading possible in a transformer they are 1) inductive type loading 2)…
Q: A single-phase transformer has 480 turns on the primary and 90 turns on the secondary. The mean…
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Q: Use the laws of electromagnetic induction to explain how a step-down transformer works; make sure to…
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Q: The construction of a Linear Variable Differential Transformer (LVDT) is shown in Figure 2.
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Q: The low voltage winding of a 400/230 V single phase, 50 Hz transformer is to be connected to a 25…
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Q: A single-phase transformer when supplied from 220 V, 50 Hz has eddy current loss of 50 W. If the…
A: we need to find out eddy current loss at 330V.
Q: What is the condition for the maximum efficiency of the transformer?
A: A transformer is an electrical machine that is used in an AC circuit to either step up or step down…
Q: How is the EMF of a three phase transformer
A: TRANSFORMER: The transformer transfers power from one circuit to another circuit without a change…
Q: Define Mutual Induction and how describe how a transformer operates.
A: Here is the explanation
Q: Explain the working principle of transformer in terms of Faraday Law of electromagnetic induction.
A: A transformer is a static device which can do transformation of electric power in one circuit to…
Q: The main difference between transformer and dc motor is O The transformer has a core O The…
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Q: What is the type of core material of the transformer?
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Q: What is cooling tube in transformer? Why does a transformer need cooling?
A: Cooling is the process of transferring heat from a transformer to the outside world. The…
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: What are the various causes of voltage drop in a transformer?
A: TRANSFORMER: The transformer transfers power from one circuit to another circuit without a change…
Q: Compare dielectric properties of oil with solid Insulators and liquid Insulators. Compare…
A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: The iron core in a transformer has the purpose of O decreasing the reluctance of the magnetic path…
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Q: Assume a single phase transformer with primary and secondary winding. Explain what would happen if a…
A: Transformer is a static device which is used to step up/down the voltage or current level without…
Q: xplain the losses of transformer due to
A: The transformer experiences a variety of losses, including dielectric loss, hysteresis loss, eddy…
Q: A transformer has equivalent resistance referred to secondary R02 and reactance referred to…
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Q: (a) Explain why the magnetising current of a transformer is less than that of an equivalent rotating…
A: The magnetizing current refers to amount of current that is required to produces the flux in the…
Q: Function of current transformer...
A: A current transformer is a device that generates an alternating current proportionate to the AC…
Q: If a transformer is assumed ideal, then the flux intensity of the core approaches: a value that is…
A: In this question, Choose the correct options What is flux intensity of the core if transformer is…
Q: A transformer has a core loss of 64 W and copper loss of 144 W. When it is carrying 20 % overload…
A: Given core loss=64 W copper loss= 144 W load current =%20 over load current=120% of rated current
Q: The efficiency of a transformer will be maximum when ........................? (A) copper losses =…
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Q: Transformer how it is work
A: Transformers are an electrical instrument created to transform AC from single voltage to other. The…
Q: 3. If we use in transformer core (i) solid magnetic material, or (ii) nonmagnetic material, comment…
A: The fallowing are the consequences if we use transformer core with both magnetic and non magnetic…
Q: When secondary is fully loaded, transformer regulation is less than 1 percent. It shows that it is a…
A: This problem is related to the transformer If the secondary is fully loaded, transformer regulation…
Q: in the blanks: The purpose of providing the iron core in the transformer is to A transformer…
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Q: Due to the increase in load, what change you saw in the transformer’s output power and voltage…
A: The transformer has a primary and a secondary side. It converts electrical power to electrical power…
Q: What does a transformer require on its primary
A: Requirements at primary of transformer : There are mainly two side of transformer one is primary…
Q: Due to short circuit, winding of potential transformer will damage
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Q: If a transformer is a static device, then it is unable to cut flux.
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Q: What is cooling tube in transformer?Why does a transformer need cooling?
A: ..
Q: 1- What is the purpose of laminating the core in a transformer?
A: As per bartleby guideline for more than one question asked only first is to be answered please…
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- In a certain magnetic circuit, the core is represented two reluctances as shown below. Assume a relative permeability r = 2500, and a number of turns N = 420 turns. Find the current needed to produce a flux of 10 mWb in the core. Fi Select one: a. i 95 mA O b. i 0.95 A O c. i 0,226 A O d. i 9.5 mA Oe. None RI E =15624 A.t/Wb Rgap = 24.2 KA.t/WbThe core of a transformer operating at 50 Hz has an eddy current loss of 100 W/m3 and the corelaminations have a thickness of 0.50 mm. The core is redesigned so as to operate with the same eddycurrent loss but at a different voltage and at a frequency of 250 Hz. Assuming that at the new voltage themaximum flux density is one-third of its original value and the resistivity of the core remains unaltered,determine the necessary new thickness of the laminations. Clear and detailed solution.A three-winding transformer is connected to an AC voltage source as shown in the figure. The number of turns is as follows: N₁ = 100, N₂ = 50, N3 = 50. If the magnetizing current is neglected, and the currents in two windings on secondary side are 2230° and 22150°, then what is the value of the primary current in Ampere? I 0000000000- N₁ № ₂ Z 00000 00000 Z N3 H I₁₂ I₁₂₁ ¹3
- A magnetic circuit has a m.m.f. of 400 AT and a reluctance of 2 x 105 AT/Wb. The magnetic flux in the magnetic circuit is_ mWb. 6 XWhat is the benefit of electrical transformers if there is a load and if there is no load?In a 2 pole lap winding dc machine , the resistance of one conductor is 2Ω and total number of conductors is 100. Find the total resistance.
- Question: 01 A two-legged core is shown in figure below. The winding on the left leg of the core (N) has 800 turns. The depth of the core is 15 cm. The small airgap is 0.05 cm and there is no fringing effect. If the dimensions are as shown, then determine the total reluctance of the given core when u, =800 and constant. 15cm 25cm 10cm 10cm 50cm N=800 5cmA dc machine has hysteresis loss of 300 W and an eddy current loss of 200 W when running at 1200 rpm. At what speed will the total core losses be a quarter of the original if the flux is to be twice as the original.In a certain magnetic circuit, the core is represented two reluctances as shown below. Assume a relative permeability ur = 2500, and a number of turns N = 640 turns. Find the flux that flows in the core for a current of 2.2 Amperes in the winding. = 30 KA.t/Wb R2 = 24.2 KA.t/Wb Select one: O a. p =26 mWb O b. p = 2.6 mWb O c. p = 0.016 Wb O d. None
- A ferromagnetic core is shown in Figure PI-2. The depth of the core is 5 cm. The other dimensions of the core are as shown in the figure. Find the value of the current that will produce a flux of 0.005 Wb. With this current, what is the flux density at the top of the core? What is the flux density at the right side of the core? Assume that the relative permeability of the core is 1000. -10 cm- - 20 cm- 15 cm 400 turns 15 cm 15 cm Core depth 5 cmIn a certain magnetic circuit, the core is represented two reluctances as shown below. Assume a relative permeability μr = 2500, and a number of turns N = 420 turns. Find the current needed to produce a flux of 15 mWb in the core. སྐ Select one: O a. i=142 mA O b.i=14.2 A c.i=1.42 A O d. None Clear my choice RI =15624 A.t/Wb Rgap = 24.2 KA.t/Wb3. A transformer core with an effective mean path length of 10 in has a 300-turn coil wrapped around one leg. Its cross-sectional area is 0.25 in2, and its magnetization curve is shown below. If current of 0.25 A is flowing in the coil, what is the total flux in the core? What is the flux density? 2.8 2.6 24 22 2.0 L8 16 14 12 0.6 04 0.2 10 20 30 40 50 100 200 300 500 1000 2000 5000 Magnetizing intensity H. A-tumsim [1.27 T, 0.000205 Wb] Flux demity, T