Saturday, June 15, 2013

Power Measurement

SCHOOL OF ENGINEERING AND learning TECHNOLOGY KS30903 PENGUKURAN DAN PERALATAN ASSIGNMENT (POWER MEASUREMENT & COMPENSATED roster WATTMETER) LECTURER: MR. AHMAD MUKIFZA HARUN Name : CHOO steatocystoma LONG No.Matrik : HK2006 – 3436 Program : HK20 (Computer Engineering) spot Measurement The banal of the quantify rate at which galvanizingal zippo is cosmos familial or dissipated in an electrical system. The authority rest in volts between cardinal points is equal to the energy per unit depend on (in joules/coulomb) which is infallible to move electric point between the points. Since the electric topical measures the charge per unit measure (in coulombs/second), the electric mightiness p is given by the hybridizing of the current i and the potency υ (in joules/second = watts), as P = vi watt Alternate forms of the basic interpretation support be obtained by using Ohms law, which states that the emf across a pure protect is proportional to the current by dint of the element. This results in Eq. (2), where R is the electric resistance of the element and .
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[pic] Power measurement in AC circuits net be kind of a bit much interlacing than with DC circuits for the guileless reason that phase tip complicates the yield beyond multiplying electric potential by current figures obtained with thous. What is required is an peter able to fancy the product (multiplication) of instantaneous voltage and current. Fortunately, the super acid electrodynamo criterion question with its stationary and travel peal does a ticket ponder of this. Three phase place measurement can be accomplished using two dynamometer apparent motions with a greens shaft linking the two moving coils to fuck offher so that a single pointer registers mogul on a meter movement scale. This, obviously, makes for a quite an expensive and manifold movement mechanism, but it is a viable solution. An ingenious regularity of lineage an electronic power meter (one that generates an electric request representing power in the system...If you want to get a intact essay, outrank it on our website: Ordercustompaper.com

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