Homework Answers
Add Answer to:
10. Two loads connected in parallel draw a total of 2.4 kW at 0.8 pflagging from...
1, Two balanced three-phase loads are in parallel. Load 1 draws 10 kW at 0.8 PF...
1, Two balanced three-phase loads are in parallel. Load 1 draws 10 kW at 0.8 PF lagging Load 2 draws 20 kVA at 0.6 PF leading a. b. The loads are supplied by a balanced three-phase 480 Vu source. (a) Draw the power triangle for the combined load. (b) Determine PF of the combined load. (c) Determine the magnitude of the line current from the source. (d) Y-connected inductors are now installed in parallel with the combined load. What value...
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....
The following three-phase, balanced loads are connected across a three-phase, Y-connected 60 Hz source with a...
The following three-phase, balanced loads are connected across a three-phase, Y-connected 60 Hz source with a line-to-line voltage of 480 V. The loads are described below: • Load 1: ∆-connected, total three-phase apparent power is 30 kVA at 0.95 power factor lagging. • Load 2: ∆-connected, total three-phase active power is 20 kW at 0.7 power factor lagging. • Load 3: Y-connected, phase current is 30 A, and power factor is 0.9 pf leading. (a) Calculate the total complex power...
UISIZULU Problem 4 A three phase, 5 kW, wye-connected load operate onnected load operates at 0.8...
UISIZULU Problem 4 A three phase, 5 kW, wye-connected load operate onnected load operates at 0.8 power factor lagging with a terminal voltage of 100 V (line to line). The cables connecting e bles connecting each phase of the load to the wye-connected supply has an impedance of (0.25 +0.25) 12. Compute the following: a) Reactive power drawn by the load. b) Real and reactive power losses in the system. me current and line voltage at the source terminals and...
Problem 7 Three three-phase wye-connected loads are in parallel across a three-phase supply. The first load draws a cur...
Problem 7 Three three-phase wye-connected loads are in parallel across a three-phase supply. The first load draws a current of 10 A at pf- 0.93 (leading), and the second and third loads (each) draw a current of 20 A at pf= 0.85 (lagging). Suppose the line-to-line voltage is 240 V. Compute the following: a) The transmission line current b) The load power factor c) The complex power supplied by the source
Problem 7 Three three-phase wye-connected loads are in parallel...
508 CHAPTER 11 . POLYPHASE CIRCUITS 11.40 In a balanced three-phase system, the source has an...
508 CHAPTER 11 . POLYPHASE CIRCUITS 11.40 In a balanced three-phase system, the source has an aboc phase-sequence and is connected in delta. There are two rallel wye-connected loads. The phase impedance of load i and load 2 is 4 The line impedance connecting the source to the loads is 0.3 + j0.2 2. If the curre IAN! = 10/20-Arms, find the delta currents in the source 4 Ω and 10 +/4 Ω, respectively. nt in the a phase of...
Question 2: Three phase circuit. (100p) A wye connected generator supplies a delta connected balanced load...
Question 2: Three phase circuit. (100p) A wye connected generator supplies a delta connected balanced load through short feeder. seree the load line to neutral voltage as reference voltage phase angle zero. 02.1 Q2.2 Q2.3 Q2.4 Draw the equivalent circuit. 10p Calculate the load line-to-neutral voltages and line-to-line voltages. 20p Calculate the delta load currents and feeder currents. 20p Calculate the supply wye connected generator line-to-neutral voltages. Is the obtained values are acceptable? Calculate the generator real and reactive power...
Two balanced loads are connected to three phase supply via a feeder lines as shown below....
Two balanced loads are connected to three phase supply via a feeder lines as shown below. The STAR load has a line voltage of 440 V, at 50 Hz. (Take 440/30% V as reference) F2 F2 F1 0.025 J0.142 B 0.0110 JO.05Ω Three Phase 65 kW Vi2 Load 2 Load 1 L1 DELTA PF = 0.72 440 30°V STAR Line Voltage LineVoltage | |Д|lagging Line Voltage STAR CONECTED Zo 2.80 + 13.270/Phase Determine: (i) The Line Current ; (ii) The...
Problem 3 Two parallel 3-phase loads are supplied from a 3-phase source with line-line voltage of...
Problem 3 Two parallel 3-phase loads are supplied from a 3-phase source with line-line voltage of 415.6922 V rms. The data of their power consumption are as follows. Load 1: 15 kVA at power factor of 0.75 lagging Load 2: 9 kW at power factor 0.82 lagging 1) 2) 3) 4) 5) Determine the complex power consumed by Load 1 Find the complex power consumed by Load 2 Calculate the total complex power consumed by the two loads. Determine the...
1, Two balanced three-phase loads are in parallel. Load 1 draws 10 kW at 0.8 PF lagging Load 2 draws 20 kVA at 0.6 PF leading a. b. The loads are supplied by a balanced three-phase 480 Vu source. (a) Draw the power triangle for the combined load. (b) Determine PF of the combined load. (c) Determine the magnitude of the line current from the source. (d) Y-connected inductors are now installed in parallel with the combined load. What value...
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....
UISIZULU Problem 4 A three phase, 5 kW, wye-connected load operate onnected load operates at 0.8 power factor lagging with a terminal voltage of 100 V (line to line). The cables connecting e bles connecting each phase of the load to the wye-connected supply has an impedance of (0.25 +0.25) 12. Compute the following: a) Reactive power drawn by the load. b) Real and reactive power losses in the system. me current and line voltage at the source terminals and...
Problem 7 Three three-phase wye-connected loads are in parallel across a three-phase supply. The first load draws a current of 10 A at pf- 0.93 (leading), and the second and third loads (each) draw a current of 20 A at pf= 0.85 (lagging). Suppose the line-to-line voltage is 240 V. Compute the following: a) The transmission line current b) The load power factor c) The complex power supplied by the source
Problem 7 Three three-phase wye-connected loads are in parallel...
508 CHAPTER 11 . POLYPHASE CIRCUITS 11.40 In a balanced three-phase system, the source has an aboc phase-sequence and is connected in delta. There are two rallel wye-connected loads. The phase impedance of load i and load 2 is 4 The line impedance connecting the source to the loads is 0.3 + j0.2 2. If the curre IAN! = 10/20-Arms, find the delta currents in the source 4 Ω and 10 +/4 Ω, respectively. nt in the a phase of...
Question 2: Three phase circuit. (100p) A wye connected generator supplies a delta connected balanced load through short feeder. seree the load line to neutral voltage as reference voltage phase angle zero. 02.1 Q2.2 Q2.3 Q2.4 Draw the equivalent circuit. 10p Calculate the load line-to-neutral voltages and line-to-line voltages. 20p Calculate the delta load currents and feeder currents. 20p Calculate the supply wye connected generator line-to-neutral voltages. Is the obtained values are acceptable? Calculate the generator real and reactive power...
Two balanced loads are connected to three phase supply via a feeder lines as shown below. The STAR load has a line voltage of 440 V, at 50 Hz. (Take 440/30% V as reference) F2 F2 F1 0.025 J0.142 B 0.0110 JO.05Ω Three Phase 65 kW Vi2 Load 2 Load 1 L1 DELTA PF = 0.72 440 30°V STAR Line Voltage LineVoltage | |Д|lagging Line Voltage STAR CONECTED Zo 2.80 + 13.270/Phase Determine: (i) The Line Current ; (ii) The...
Problem 3 Two parallel 3-phase loads are supplied from a 3-phase source with line-line voltage of 415.6922 V rms. The data of their power consumption are as follows. Load 1: 15 kVA at power factor of 0.75 lagging Load 2: 9 kW at power factor 0.82 lagging 1) 2) 3) 4) 5) Determine the complex power consumed by Load 1 Find the complex power consumed by Load 2 Calculate the total complex power consumed by the two loads. Determine the...
Most questions answered within 3 hours.
-
Where is the error in this code sequence?
String s1 = "Hello";
String s2 = "ello";...
asked 10 months ago -
Financial data for Joel de Paris, Inc., for last year
follow:
Joel de Paris, Inc.
Balance...
asked 10 months ago -
Consider this reaction:
Al2(SO4)3 (aq)+ BaCl3
(aq) Al2Cl6 (aq)- +
3BaSO4(s) . What is the...
asked 10 months ago -
Suppose that Savneet is considering increasing her
recent random sample from 20 car rentals to 40...
asked 10 months ago -
Trucks arrive at an unloading terminal at an average rate of 120
per hour.
Trucks arrive...
asked 10 months ago -
Why are methanol and ethanol completely soluble in water while
octanol is not very little soluble....
asked 10 months ago -
A facilities manager at a university reads in a research report
that the mean amount of...
asked 10 months ago -
When the CuSO4 is rehydrated by adding water to the anhydrous
compound, is this an endothermic...
asked 10 months ago -
A ray of sunlight is passing from diamond into crown glass; the
angle of incidence is...
asked 10 months ago -
A block of mass 0.249 kg is placed on top of a light, vertical
spring of...
asked 10 months ago -
how do the kidneys compensate in the presences of acidosis
a) trigger hyperventilate
b) reserve acid...
asked 10 months ago -
Question 501 pts
The rental rate of capital to the firm increases. Which of the
following...
asked 10 months ago