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b. A delta connected capacitor bank with each phase reactance of 27 ohm is connected in...
A balanced delta connected 3 phase load with per phase impedance of Z1 = 3 +...
A balanced delta connected 3 phase load with per phase impedance
of
Z1 = 3 + j9 (Ohm)
is connected in parallel to a balanced 3 phase star connected load
with per phase impedance:
Z2 = 6 + j16 (Ohm).
Their connection is shown in the Picture attached. This load
combination is connected to a balanced 3 phase 415V (line-to-line)
supply.
Find the magnitude of the line current drawn from the supply. Enter
your results in Amps with one digit...
A balanced delta connected load of 15+?18 Ω per phase is connected at the end of...
A balanced delta connected load of 15+?18 Ω per phase is
connected at the end of a three-phase line as shown in Figure 1.
The line impedance is 1+?2 Ω per phase. The line is supplied from a
three-phase source with a line-to-line voltage of 207.85 V rms.
Taking the phase voltage ??? as reference, determine:
1. Total complex powers of the line and the load.
2.A delta connected capacitor bank is connected in parallel with
the load to improve...
1- A balanced delta connected load of 15 + j18 12 per phase is connected at...
1- A balanced delta connected load of 15 + j18 12 per phase is connected at the end of a three-phase line as shown in Figure 1. The line impedance is 1 + j2 12 per phase. The line is supplied from a three-phase source with a line-to-line voltage of 207.85 V rms. Taking the phase voltage Van as reference, determine: a) Current in phase a. b) Total complex power supplied from the source. c) Total complex powers of the...
50 Points 1- A balanced delta connected load of 15 + j18 per phase is connected...
50 Points 1- A balanced delta connected load of 15 + j18 per phase is connected at the end of a three-phase line as shown in Figure 1. The line impedance is 1 + 12 12 per phase. The line is supplied from a three-phase source with a line-to-line voltage of 207.85 V rms. Taking the phase voltage Van as reference, determine: a) Current in phase a. b) Total complex power supplied from the source. c) Total complex powers of...
(BEKG 2433/BEKP 2323) QUESTION 2 a) A balance three-phase system comprises of star-connected generator and delta-connected...
(BEKG 2433/BEKP 2323) QUESTION 2 a) A balance three-phase system comprises of star-connected generator and delta-connected load are shown in Figure Q2(a). The system are operated based on positive sequence with line voltage Vy - 2402-15°V and load impedance ZxvZYB -ZR - 15+j622. Analyze the phase difference between the line and phase currents with the proper calculation and show the phasor diagrams (11 marks) Zar 1 Y Zvo Figure Q2 (a): A balance three-phase system.
A three-phase unbalanced source with the following phase to neutral voltages: 300-120 20090 10ol-30 1001-30 is applied to the circuit of balanced star. The star common point is connected to the i...
A three-phase unbalanced source with the following phase to neutral voltages: 300-120 20090 10ol-30 1001-30 is applied to the circuit of balanced star. The star common point is connected to the impedance of Z, -2j The load series impedance per phase is Z, -10+40j a) The load sequence impednace matrix Zo b) The symmetrical components of voltage. (magnitude and angle) ground through Determine
A three-phase unbalanced source with the following phase to neutral voltages: 300-120 20090 10ol-30 1001-30 is applied...
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...
Q2. A three-phase unbalanced delta-connected load containing impedances Z1, Z2 and resistor R3 is connected to...
Q2. A three-phase unbalanced delta-connected load containing impedances Z1, Z2 and resistor R3 is connected to a three-phase power source of 380 V, 50 Hz in positive sequence A-B-C as shown in figure Q2. It is known that line current Ic is 54 292° A. The power consumption of load R3 is 18050 W. The impedance of Zi is 20 -70° 2. By taking VAB as reference, calculate B BB/ Z2 TBC figure Q2 (a) the line voltage VAB, VBC...
I. A balanced three-phase positive sequence wye-connected 60Hz source voltage has line-neutral voltage of V, 1000 V. It is connected to a three- phase wye connected load whose impedance is z 50+j...
I. A balanced three-phase positive sequence wye-connected 60Hz source voltage has line-neutral voltage of V, 1000 V. It is connected to a three- phase wye connected load whose impedance is z 50+j37.7 2 a. Find line currents ia ib, ic and line-line voltages Vab, Vbo Vac b. Find the total complex power delivered to the load. c. Find delta-connected capacitor bank needed to bring the PF to 0.95 (lagging) of system. d. Re-calculate currents la, ib, io with Case c....
I. A balanced three-phase positive sequence wye-connected 60Hz source voltage has line-neutral voltage of V, 1000 V. It is connected to a three- phase wye connected load whose impedance is z 50+j...
I. A balanced three-phase positive sequence wye-connected 60Hz source voltage has line-neutral voltage of V, 1000 V. It is connected to a three- phase wye connected load whose impedance is z 50+j37.7 2 a. Find line currents ia ib, ic and line-line voltages Vab, Vbo Vac b. Find the total complex power delivered to the load. c. Find delta-connected capacitor bank needed to bring the PF to 0.95 (lagging) of system. d. Re-calculate currents la, ib, io with Case c....
A balanced delta connected 3 phase load with per phase impedance
of
Z1 = 3 + j9 (Ohm)
is connected in parallel to a balanced 3 phase star connected load
with per phase impedance:
Z2 = 6 + j16 (Ohm).
Their connection is shown in the Picture attached. This load
combination is connected to a balanced 3 phase 415V (line-to-line)
supply.
Find the magnitude of the line current drawn from the supply. Enter
your results in Amps with one digit...
A balanced delta connected load of 15+?18 Ω per phase is
connected at the end of a three-phase line as shown in Figure 1.
The line impedance is 1+?2 Ω per phase. The line is supplied from a
three-phase source with a line-to-line voltage of 207.85 V rms.
Taking the phase voltage ??? as reference, determine:
1. Total complex powers of the line and the load.
2.A delta connected capacitor bank is connected in parallel with
the load to improve...
1- A balanced delta connected load of 15 + j18 12 per phase is connected at the end of a three-phase line as shown in Figure 1. The line impedance is 1 + j2 12 per phase. The line is supplied from a three-phase source with a line-to-line voltage of 207.85 V rms. Taking the phase voltage Van as reference, determine: a) Current in phase a. b) Total complex power supplied from the source. c) Total complex powers of the...
50 Points 1- A balanced delta connected load of 15 + j18 per phase is connected at the end of a three-phase line as shown in Figure 1. The line impedance is 1 + 12 12 per phase. The line is supplied from a three-phase source with a line-to-line voltage of 207.85 V rms. Taking the phase voltage Van as reference, determine: a) Current in phase a. b) Total complex power supplied from the source. c) Total complex powers of...
(BEKG 2433/BEKP 2323) QUESTION 2 a) A balance three-phase system comprises of star-connected generator and delta-connected load are shown in Figure Q2(a). The system are operated based on positive sequence with line voltage Vy - 2402-15°V and load impedance ZxvZYB -ZR - 15+j622. Analyze the phase difference between the line and phase currents with the proper calculation and show the phasor diagrams (11 marks) Zar 1 Y Zvo Figure Q2 (a): A balance three-phase system.
A three-phase unbalanced source with the following phase to neutral voltages: 300-120 20090 10ol-30 1001-30 is applied to the circuit of balanced star. The star common point is connected to the impedance of Z, -2j The load series impedance per phase is Z, -10+40j a) The load sequence impednace matrix Zo b) The symmetrical components of voltage. (magnitude and angle) ground through Determine
A three-phase unbalanced source with the following phase to neutral voltages: 300-120 20090 10ol-30 1001-30 is applied...
Q2. A three-phase unbalanced delta-connected load containing impedances Z1, Z2 and resistor R3 is connected to a three-phase power source of 380 V, 50 Hz in positive sequence A-B-C as shown in figure Q2. It is known that line current Ic is 54 292° A. The power consumption of load R3 is 18050 W. The impedance of Zi is 20 -70° 2. By taking VAB as reference, calculate B BB/ Z2 TBC figure Q2 (a) the line voltage VAB, VBC...
I. A balanced three-phase positive sequence wye-connected 60Hz source voltage has line-neutral voltage of V, 1000 V. It is connected to a three- phase wye connected load whose impedance is z 50+j37.7 2 a. Find line currents ia ib, ic and line-line voltages Vab, Vbo Vac b. Find the total complex power delivered to the load. c. Find delta-connected capacitor bank needed to bring the PF to 0.95 (lagging) of system. d. Re-calculate currents la, ib, io with Case c....
I. A balanced three-phase positive sequence wye-connected 60Hz source voltage has line-neutral voltage of V, 1000 V. It is connected to a three- phase wye connected load whose impedance is z 50+j37.7 2 a. Find line currents ia ib, ic and line-line voltages Vab, Vbo Vac b. Find the total complex power delivered to the load. c. Find delta-connected capacitor bank needed to bring the PF to 0.95 (lagging) of system. d. Re-calculate currents la, ib, io with Case c....
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