I need an expert solution for the question,correct ,i don 't meed a detailed explanation, just a summary at the end Q/ Ways of ImporvingStarting Torque-3Ph Inductionmotor 2TYPes②Wound. Rotor①Squirrel cage<Deep BairDesgin>Double cage

Step 1: To improve the starting torque of a 3-phase induction motor, there are several methods based…

Answered: Q/ Ways of Imporving Starting…

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter32: Three-phase Motors

Section: Chapter Questions

Problem 8RQ

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E-06, PC-05. Why are the iron cores of most induction coils laminated? To increase the core permeability. To reduce the core reluctance. To reduce the effects of eddy currents. Click Save and Submit to save and submit. Click Save All Answers to save all answers. MacBook Air 吕0 F2 F3 F4 F5 $4 & 4 5 O 6 7 7 W .. E R .... S » D S F G # 3
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
For 6 polar D.C machine armature has 36 number of slots and the type of winding is a double layer simplex lap winding. a. How many coils are present? b. What is the coil span in terms of number of slots? c. If each coil has 4 turns, then what is the total number of armature conductors presents? d. How many parallel paths will be their in the armature? e. Altogether how many brushes will be their?
(Q1f, Draw and compare the per-phase electrical equivalent circuits of a transformer and of an induction motor. Using simple magnetic circuits, explain how the values of the magnetising (shunt) impedances compare in the two devices and what is the cause of the difference between the two? Figure 2. A transformer and an induction motor. Among other differences, one is typically rectangular, and the other one is round :D
(a) Explain briefly what is fringing effect and leakage flux. (b) A ferromagnetic core is shown in Figure 1. The depth of the core is 10 cm. The other dimensions of the core are as shown in the figure. By assuming the magnetic leakage to be negligible and relative permeability of the core is 800. Calculate the total reluctance and find the value of the current that will produce a flux of 0.01 Wb. With this current, calculate the flux density at the top of the core 20 cm 40 cm 10 cm, 30 cm 500 turns 30 cm 30 cm Figure 1
1.Consider the magnetic core below.All dimensions are shown on the figure. The core is made up of legs with 2 different cross-sectional areas.The depth of core is 10cm.The relative permeability of the core is 2000. The current in the magnetising coil is 1 A. The number of turns of the coil is 2000.Calculate: (i)the reluctances and draw the magnetic circuit (ii)the flux in the core (iii)Flux densities B and field intensities H in legs having different cross-sectional areas. (iv)Verify Ampere's Law. Depth: 10 cm I=1A 20cm 2000 Turns 65cm 15cm 15cm 50cm 15cm ndo un of
For a four pole, 16 slot armature with two coil-side/slot having wave connected progressive winding has single turn coils has simplex winding. The number of current paths is?
A. The brushes used in a DC generator a) ride against the commutator segments. b) are made from material softer than the commutator segments. c) are generally marked Al and A2 d) all of the above B. A magneto is a DC generator that uses for its pole pieces. a) electromagnets b) permanent magnets c) either "a" or "b" d) neither "a" nor "b"
Q.4/ choose true or false: 1. The reluctance of any core is proportional directly with the length of it and inversely with both the permeability and the cross-section area of it. 2. The number of parallel paths in wave windings is equal to twice of the number of poles. 3. In dc machines with same values of Z, N, Ø, the emf for wave winding type is more than emf of lab winding type. 4. If we insert a current in such a conductor subjected to a constant magnetic field, a movement will achieved giving the principle of electric generator.
Here it is the equivalent circuit of and induction motor and it is per phase circuit my question is name for me the variable for example R1 is the winding resistance and so an the all variable and please show me a pic of the real machine with the variable for example for R1 happens because of the winding i need to see the winding in the real machine, please help me to understand well
What is the purpose of a transformer? Draw the symbols for a transformer.
The symbol shown is a(n) a. iron core transformer. b. auto transformer. c. current transformer. d. air core transformer.

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Q/ Ways of Imporving Starting Torque-3Ph Induction motor 2 TYPes ②Wound. Rotor ①Squirrel cage < Deep Bair Desgin >Double cage