Answer / prti3116

The inductor will be short circuit the circuit so the inductor placed series to the supply,then the current flow in capacitor is ZERO(its act as a normally open switch)according to oh law the current flow in both inductor and resistor is 6V (I=V/R)

We in my plant one of the transformer showing neutral to earth voltage is 22V how to solve it

3 Answers  

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WHAT IS THE WINDING PROCEDURE OF ELECTRICAL MOTOR

0 Answers   GE,

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why efficiency of generator is greater than motor?

2 Answers  

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Is it legal of using 3 phase motors in 2 phase in Tamilnadu?

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If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a campus site?

2 Answers  

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What is mean CT Saturation? How to calculate?

13 Answers   NCC,

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Efficient electrical earthing in hard rock area

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how to calculate voltage drop in long distance cable? for an e.g lamp of 12 volt ac ,300watt is 90 meter away from supply i.e (x'mer 230 v / 12v)and i m getting 8 volts at lamp terminal ....

1 Answers  

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1. A 380 / 220 V r.m.s. 3-phase 4-wire circuit carries loads of 8 + j8.1 ohm; 4 + j4.1 ohm; and 2 +j2.1 ohmin the three phases respectively. The length of the circuit is 100 m, and the resistivity of the phase conductors is 0.0005 Ω/m. The neutral conductor is of the same size as the phase conductors. a) Select a reference angle 0for the first phase. Then write down the three phase voltages in both polar format and complex number format. b) Make appropriate assumptions, and take temperature effects on resistance is insignificant. Calculate the currents in the three phases. (Note: Determine conductor resistance, and apply Kirchhoff’s Voltage Law) Based on the result, suggest a main switch rating for the circuit. c) Show your preferred direction of neutral current in a diagram, and then determine its value. (Note: Apply superposition principle, and Kirchhoff’s Current Law) Use its magnitude to show that in this circuit, the unbalanced load may increase the voltage drop in some of the phases. (Note: Also observe the common volt drip in neutral) State your assumptions, if there are any. d) Suddenly the neutral wire of the circuit is broken. Estimate the new currents in the first phase, i.e. Phase L1. State your assumptions, if there are any.

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what do you mean by star point.its importance in ct & pt

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Types of 132KV and 222 KV protection.

1 Answers  

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Differnce between Analog & Digital

1 Answers  

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