The total instantaneous power in a balanced
three phase circuit is
a. Sinusoidal
b. Dependent on the configuration of the load (wye or delta)
c. 3 times the power in any 1 phase
d. Invariant with time
Homework Answers
Add Answer to:
The total instantaneous power in a balanced
three phase circuit is
a. Sinusoidal
b. Dependent on...
calculate total power in Watts? A three-phase delta-connected load is energized by a balanced, wye-connected source as shown. Using any valid approach, compute the total average (real) power delivere...
calculate total power in Watts?
A three-phase delta-connected load is energized by a balanced, wye-connected source as shown. Using any valid approach, compute the total average (real) power delivered to the three-phase load. Voltages are rms
A three-phase delta-connected load is energized by a balanced, wye-connected source as shown. Using any valid approach, compute the total average (real) power delivered to the three-phase load. Voltages are rms
Show the circuit for a three-phase, AC(60Hz), WYE configured generator connected to a balanced load of...
Show the circuit for a three-phase, AC(60Hz), WYE configured generator connected to a balanced load of three resistors(Each 100 Ohms) wire in a delta configuration. Find: a.) current in each coil of the generator b.)the power generated in each coil c.) the total poor output of the generator d.) the current in each line to the load e.) voltage across each resistor f.) current in each resistor g.) power dissipated in each resistor h.) total power in the entire load...
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...
52. In three-phase power systems, the delivered power a. falls to zero three times per cycle...
52. In three-phase power systems, the delivered power a. falls to zero three times per cycle b. falls to zero once per cycle c. never falls to zero d. none of the above 53. The three-phase connection in which one end of each of the windings are connected together is called the connection. a. delta b. wye c. open delta d. open wye 54. In a three phase connection, the voliage meaured direety across one of the winings is the...
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...
A balanced wye-connected load and a balanced delta con- hected load are supplied by a three-phase...
A balanced wye-connected load and a balanced delta con- hected load are supplied by a three-phase 480-V 50 HZ generator. The ranch impedance of the wye and della are 10/30° 2 and 20/-50° 2. respectively. Determine the active and reactive powers drawn by each three loads. Determine the phasor voltage and phase any one branch of each three-phas e branch of each three-phase load, and substitute into wer equation for balanced three-phase loads. Given ise angle of V is 30...
Section 2: Three phase circuit Three phase wye connected generator supplies two parallel loads through a...
Section 2: Three phase circuit Three phase wye connected generator supplies two parallel loads through a feeder. Load 1 Is an unbalanced wye connected load and load 2 is a balanced delta connected load. System data: Generator: Sg = 600 MVA; vg-11-25KV; Xg = 11896; Feeder: Z (0.08+j0.62) Ω/mile, length-8 miles Load 1: VII = 24KV, Pa =75MW Pb 75MW Pc=75MW pf_a=0.8 pf b 0.84 pf_c=0.78 Load 2: VIl-24KV; P total-225MW, pf 0.8; (all the power factor is supposed to...
2. Two balanced three-phase loads are connected in parallel. One load with per phase impedance 21...
2. Two balanced three-phase loads are connected in parallel. One load with per phase impedance 21 ?, is connected in delta, and the other load has per phase impedance 15 2 and is connected in wye. Ignore the line impedance. If the line voltage is a 208230° Vrms, determine (a) the phase voltage for phase-a, ) the line current Ia*, (c) the phase currents in the delta load (d) the complex power of the load and the power factor.
- There is 480V across a 3-phase load, which consists of three impedances (10<40 (2) connected...
- There is 480V across a 3-phase load, which consists of three impedances (10<40 (2) connected in a wye configuration. Power is delivered to the load through three phase conductors (1<352) and a neutral conductor with Z-092. (a) What is the 3-phase complex power required at the source? (b) What is the 3-phase complex power required at the source if the load is connected in a delta configuration?
2. Consider the given 3-phase circuit. Assume the load voltage, PAB = 30L30, Kms (3) Are...
2. Consider the given 3-phase circuit. Assume the load voltage, PAB = 30L30, Kms (3) Are the loads connected in Wye or Delta configuration? Explain your selection. b. a. (3) Are the sources connected in Wye or Delta configuration? Explain your selection. (5) Draw the single-phase equivalent of the given circuit. Label the line-to-neutral voltage numerically. c. d. (4) Calculate the rms line current phasor in each phase. e. (5) Calculate the rms source voltage phasor in each phase. f...
calculate total power in Watts?
A three-phase delta-connected load is energized by a balanced, wye-connected source as shown. Using any valid approach, compute the total average (real) power delivered to the three-phase load. Voltages are rms
A three-phase delta-connected load is energized by a balanced, wye-connected source as shown. Using any valid approach, compute the total average (real) power delivered to the three-phase load. Voltages are rms
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...
52. In three-phase power systems, the delivered power a. falls to zero three times per cycle b. falls to zero once per cycle c. never falls to zero d. none of the above 53. The three-phase connection in which one end of each of the windings are connected together is called the connection. a. delta b. wye c. open delta d. open wye 54. In a three phase connection, the voliage meaured direety across one of the winings is the...
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...
A balanced wye-connected load and a balanced delta con- hected load are supplied by a three-phase 480-V 50 HZ generator. The ranch impedance of the wye and della are 10/30° 2 and 20/-50° 2. respectively. Determine the active and reactive powers drawn by each three loads. Determine the phasor voltage and phase any one branch of each three-phas e branch of each three-phase load, and substitute into wer equation for balanced three-phase loads. Given ise angle of V is 30...
Section 2: Three phase circuit Three phase wye connected generator supplies two parallel loads through a feeder. Load 1 Is an unbalanced wye connected load and load 2 is a balanced delta connected load. System data: Generator: Sg = 600 MVA; vg-11-25KV; Xg = 11896; Feeder: Z (0.08+j0.62) Ω/mile, length-8 miles Load 1: VII = 24KV, Pa =75MW Pb 75MW Pc=75MW pf_a=0.8 pf b 0.84 pf_c=0.78 Load 2: VIl-24KV; P total-225MW, pf 0.8; (all the power factor is supposed to...
2. Two balanced three-phase loads are connected in parallel. One load with per phase impedance 21 ?, is connected in delta, and the other load has per phase impedance 15 2 and is connected in wye. Ignore the line impedance. If the line voltage is a 208230° Vrms, determine (a) the phase voltage for phase-a, ) the line current Ia*, (c) the phase currents in the delta load (d) the complex power of the load and the power factor.
- There is 480V across a 3-phase load, which consists of three impedances (10<40 (2) connected in a wye configuration. Power is delivered to the load through three phase conductors (1<352) and a neutral conductor with Z-092. (a) What is the 3-phase complex power required at the source? (b) What is the 3-phase complex power required at the source if the load is connected in a delta configuration?
2. Consider the given 3-phase circuit. Assume the load voltage, PAB = 30L30, Kms (3) Are the loads connected in Wye or Delta configuration? Explain your selection. b. a. (3) Are the sources connected in Wye or Delta configuration? Explain your selection. (5) Draw the single-phase equivalent of the given circuit. Label the line-to-neutral voltage numerically. c. d. (4) Calculate the rms line current phasor in each phase. e. (5) Calculate the rms source voltage phasor in each phase. f...
Most questions answered within 3 hours.
-
Which of the hypothesis tests listed below is a
two-tailed test? Select all correct answers.
Select...
asked 17 minutes ago -
Solve following questions. ?= √?.M is your house value. If there
is a flood, your house...
asked 20 minutes ago -
Critical Thinking: Assume an economy that has a total
population of 290 million people of which...
asked 21 minutes ago -
Accounts receivable subsidiary ledger, schedule of
accounts receivable lo c1. Vali company recorded the following
selected...
asked 30 minutes ago -
Connell performed a series of studies to understand what limits
the distribution of barnacle species within...
asked 35 minutes ago -
I throw a die with 6 sides. Consider the events, A=uneven and
B=prime number. Find the...
asked 37 minutes ago -
Common-Sized Income Statement
Revenue and expense data for the current calendar year for
Tannenhill Company and...
asked 55 minutes ago -
Find the present value of an annuity due that pays $3000 at the
beginning of each...
asked 1 hour ago -
A reaction is second order with respect to [A] and half order
with respect to [B]....
asked 1 hour ago -
In your groups, list the international actors you would expect
to encounter in an emergency logistics...
asked 1 hour ago -
When one molecule of methane combusts with oxygen, 5.74 X
10-21 J is released as heat....
asked 1 hour ago -
Required information
[The following information applies to the questions
displayed below.]
Satellite Systems modified its model...
asked 1 hour ago