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Q. Consider a pair of coupled coils as shown in Figure of the text, with currents, voltages, and polarity dots as indicated. Show that the mutualinductance is L12 = L21 = M by following these steps:
(a) Starting at time t0 with i1(t0) = i2(t0) = 0, maintain i2 = 0 and increase i1 until, at time t1,i1(t1) = I1 and i2(t1) = 0. Determine the energy accumulated during this time.Now maintaining i1 = I1, increase i2 until at time t2,i2(t2) = I2. Find the corresponding energy accumulated and the total energy stored at time t2.
(b) Repeat the process in the reverse order, allowing the currents to reach their final values. Compare the expressions obtained for the total energy stored and obtain the desired result.
Importance of Voltage Quality - KPI The voltage quality has a growing economic impact on the customer and the network operators. The costs related along with "lack of quality"
what component will be use for making or logic gates.
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Im doing my final year project and Im stuck in vhdl coding. The main mission of this project is to design and build a tap changer which is going to be fitted to power transformers
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A 3 phase, 6 pole induction motor is rated at 400hz, 150v, 10h.p., 3% slip at rated power output. The windage and friction loss is 200w at rated speed. With the motor operating at
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Discuss the properties and uses of ALNICO. Alnico : It is an alloy of iron, nickel, cobalt and small amount of copper and aluminium. Properties are - 1. Its saturation f
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