How to calculate the angle in electrical transmission line

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i want to design tap changer for 15kv to 0.4kv steepdown transformer then how can i calculate tap number required

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Please send the placement papers for randstad

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what electricalcable size for 132kw motor 4pole

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Question 98 - The Planck-Einstein relation connects the particulate photon energy E with its associated wave frequency f to produce E = hf. Let h to be the Planck constant. The frequency f, wavelength L and speed of light c are related by E = hc / L. With p denoting the linear momentum of a particle, the de Broglie wavelength L of the particle is given by L = h / p. (a) Find the equation of E as a function of p and c. (b) If E has a unit of electron-volt and f has a unit of 1 / second, then what is the unit of h?

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Question asked in prototech first round

0 Answers   Protech,

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In an existing power plant (phase I) with step up transformers (3nos) with Ynd1 vector group to the 400KV bus bar,an extension power plant (phase II) with transformers (4nos) with Ynd11 vector group >. what are the consequences of such configuration ,please note that % impedance are also differ i.e. 15% & 10.5% the reason was that auxiliary supply interface is at different voltage levels i.e 400v & 6.6KV in phase i and phase II respectively .please advise ! Thank you !

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How can u find reactive loads(Kvar)?

0 Answers   econ,

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Question 95 - The following formula is used as a reference : (analyte signal) / (internal standard signal) = (f-factor) x (concentration of analyte) / (concentration of internal standard). A solution containing 3 mM of analyte and 4 mM of internal standard gave peak signals of 2 and 3 mamps respectively. Another similar solution containing 2 mM of analyte and 1 mM of internal standard gave peak signals of 1 and 4 mamps respectively. Find the average f-factor.

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can DOL used with slip ring motor?

0 Answers   NTPC,

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alternator make voltage 120 degree. as we change degree ex. 100 and 160 or other degree then voltage make. yes or no and why

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i need SCII placement papers

0 Answers   SCII,

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