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two routes connect an origin-destination pair with performance functions t1nbsp 5 x122nbspand t2nbsp 7 x242nbspwith
two balanced y-connected loads one drawing 10 kw at 08 power factor lagging and the other 15 kw at 09 power factor
a single-phase 100-kva 2400240-volt 60-hz distribution transformer is used as a step-down transformer the load which is
a single-phase transformer has 2000 turns on the primary winding and 500 turns on the secondarywinding resistances are
a bank of three single-phase transformers each rated 30 mva 381381 kv are connected in y-delta with a balanced load of
a three-phase transformer is rated 500 mva 220 y22 delta kv the wye-equivalent short-circuit impedance considered equal
three single-phase two-winding transformers each rated 450 mva 20 kv2887 kv with leakage reactance xeqnbsp 010 per unit
three single-phase two-winding transformers each rated 25 mva 381381 kv are connected to form a three-phase y-delta
consider a three-phase generator rated 300 mva 23 kv supplying a system load of 240 mva and 09 power factor lagging at
the leakage reactance of a three-phase 300-mva 230 y23 delta-kv transformer is 006 per unit based on its own ratings
three single-phase transformers each rated 10 mva 664125 kv 60 hz with an equivalent series reactance of 01 per unit
a single-phase three-winding transformer has the following parameters z1nbsp z2nbsp z3nbsp 0 j005 gcnbsp 0 and bmnbsp
three single-phase two-winding transformers each rated 3 kva 220110 volts 60 hz with a 010 per-unit leakage reactance
a single-phase two-winding transformer rated 90 mva 80120 kv is to be connected as an autotransformer rated 80200 kv
a 23230-kv step-up transformer feeds a three-phase transmission line which in turn supplies a 150-mva 08 lagging power
the per-unit equivalent circuit of two transformers tanbspand tbnbspconnected in parallel with the same nominal voltage
the aluminum electrical conductor handbook lists a dc resistance of 001558 ohm per 1000 ft at 20degc and a 60-hz
a transmission-line cable of length 3 km consists of 19 strands of identical copper conductors each 15 mm in diameter
one thousand circular mils or 1 kcmil is sometimes designated by the abbreviation mcm data for commercial bare
a 60-hz 765-kv three-phase overhead transmission line has four acsr 900 kcmil 543 conductors per phase determine the
a 60-hz single-phase two-wire overhead line has solid cylindrical copper conductors with 15 cm diameter the conductors
a 60-hz three-phase three-wire overhead line has solid cylindrical conductors arranged in the form of an equilateral
find the inductive reactance per mile of a single-phase overhead transmission line operating at 60 hz given the
a single-phase overhead transmission line consists of two solid aluminum conductors having a radius of 25 cm with a
find the gmr of a stranded conductor consisting of six outer strands surrounding and touching one central strand all