A 3phase,400V sourcesupplies a delta connected load having phase impedances Zab=25? 0º ohms, Zbc=25?30º ohms, and...

A 3phase,400V sourcesupplies a delta connected load having phase impedances Zab=25? 0º ohms, Zbc=25?30º ohms, and Zca=25?-30º ohms. The magnitude of all the phase currents is ____ A.

Expert Solution

Manojponduru answered 2 years ago

A balanced three-phase delta-connected load is connected to a balanced three-phase delta-connected source via a transmission...

A balanced three-phase delta-connected load is connected to a balanced three-phase delta-connected source via a transmission line. The line-line voltage for the source is 100∟0° V/phase and the impedance of load is (27 + j18) Ω/phase. The transmission line has an impedance of (1 + j4) Ω/line. a) Draw the complete schematic of the power system showing the location of wattmeters. (Two-Wattmeter system is considered for this problem). Phase “a” could be considered as a reference phase. b) What must...

An unbalanced wye connected wye connected load of three phase resistances with Ra=60 ohms, Rb=40 ohms...

An unbalanced wye connected wye connected load of three phase resistances with Ra=60 ohms, Rb=40 ohms and Rc=80 ohms is connected to a 440V, negative sequence, balanced 3 phase, 3 wire supply. Calculate the complex power using the method of symmetrical components. Please show all steps and clearly show all answers.

In a three-phase circuit the balanced delta load of (36 +j54) ohms is fed by impedance...

In a three-phase circuit the balanced delta load of (36 +j54) ohms is fed by impedance conductors (5 +j70) ohms. If the generator voltage is 120 V angle 0° phase A, calculate a) the bc voltage on the load, b) the powers in the conductors, c) the bc voltage of the delta load and d) the power delta on the load.

A three phase transformer of 400kVA, 10kV/400V, Dy11 is connected to its nominal load with cosφ...

A three phase transformer of 400kVA, 10kV/400V, Dy11 is connected to its nominal load with cosφ = 1. a) Calculate the nominal primary and secondary line current. b) Calculate the corresponding currents in the primary and secondary winding. At an open circuit test, the primary line current is 0,52A with cosφ = 0,05 at nominal line voltage. The short circuit test (at nominal current) shows 214V primary line voltage and P=1,333kW per phase. c) Calculate the total iron losses and...

A 100 ohms load is connected to a 50 ohms transmission line. Determine the value of...

A 100 ohms load is connected to a 50 ohms transmission line. Determine the value of the reactance to put in series at the input to the line and the length in wavelengths of the shortest transmission line to match with a 50 ohms source.

A balanced three-phase generator delivers 6.3 kW to a delta-connected load with impedance 13 - j23.4...

A balanced three-phase generator delivers 6.3 kW to a delta-connected load with impedance 13 - j23.4 Ω per phase. The magnitude of the line current ILis:

A 3.5 current source is connected to a 220 ohms load. The source resistance is 6kohms....

A 3.5 current source is connected to a 220 ohms load. The source resistance is 6kohms. Solve for the equivalent voltage source (E and Rs) for this practical source.

A three-phase balanced star load No. 1 of (120 +j90) ohms in parallel with another three-phase...

A three-phase balanced star load No. 1 of (120 +j90) ohms in parallel with another three-phase balanced star load No. 2 of (90 +j120) ohms, both are fed by three-phase balanced conductors of 3 ohms resistance and 4 ohms reactance. If the generator is 240 volts, with angle of -150° on phase c and reactance of 1 ohms, determine: a) the current on load N°1 on phase C, b) the terminal voltage of the generator on phase B, c) the...

An unbalanced three-phase wye-connected and grounded load is connected to a balanced three-phase four-wire source. The...

An unbalanced three-phase wye-connected and grounded load is connected to a balanced three-phase four-wire source. The load impedances are Za = 14+j3 Ω , Zb = 5-j24Ω and Zc =1+j14 Ω and the phase a line voltage has an effective value of 18 Kv: use line-to-neutral voltage of phase A as a reference. Find the line and neutral current, also find the reactive power delivered to load and power factor.

Three resistors of 20, 50 and 60 ohms are connected to a battery having an emf...

Three resistors of 20, 50 and 60 ohms are connected to a battery having an emf of 15 volts. Draw the circuit diagram and determine the total resistance, the total and individual currents, total and individual voltages if the resistors are connected in series.

Question