Answered: Power Measurement in a Three Phase Star…

Power Measurement in a Three Phase Star Connected System, the three phase total reactive power is equal to O V xlx Cos Ø O 13 VL L O 13 V! Sin Ø O 3 x VPH X IL x Sino

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter7: Alternating Current, Power Distribution, And Voltage Systems

Section: Chapter Questions

Problem 7RQ

See similar textbooks

Related questions

Q: uèstion 6 In which of the following the positive, negative, and zero sequence impedances have…

A: The detailed answer is solved below according to the given parameters and instructions in the…

Q: 2. A three-phase motor draws 40 kVA at 0.65 power factor lagging from a 230 V source. A capacitor…

A: Given: SM=40 kVA, VM=230 V, P.FM=cosϕM=0.65.PM=SMcosϕM=40 kVA×0.65=26…

Q: Three inductive loads each of resistance 75Ω and inductance 318.4mH are connected in delta to a…

Q: 13. What is the value of reactive power, if the angle between star connected three phase 415 V a.c…

A: Given, Star connected three phase ac supply has, Line voltage, VL=415 V. Line current, IL=5.2 A.…

Q: Three impedances Z = 4 - j3 ohm , Z = 3 + j4 ohm and Z in delta across a 220V , 3-phase balance…

Q: calculate the magnitude of the Thevenin equivalent impedance. Assume that the j3 ohm inductor is the…

Q: Given the circuit fed by 3 phases 380V phase to phase voltage, with 50HZ. a) Draw the power triangle…

A: In this question, 2 parallel loads are given. Draw the power triangle. We know Power P= S cos(V^I)…

Q: In a star connected system, the three phase currents are mutually displaced by 120 degree. Select…

A: STAR-CONNECTION: The diagram below depicts a three-phase, wye or star connected system with balanced…

Q: Determine the total power information for a three parallel connected loads: LOAD 1: 250 VA, pf =0.50…

Q: A balanced star connected load of (20- jl5)n per phase is connected in parallel with a balanced…

A: In this question we need to find a magnitude of phase current in red p

Q: Two wattmeters are connected to measure power input to a three phase balanced circuit indicates 12…

Q: impedance 48-j54 N. Using Smith Chart calculate the following: i. VSWR ii. ii. Load Admittance YL.

A: Given that Z0=60 ohmZL=48-j54 ohm Although reflection co-efficient is given by Voltage reflection…

Q: Problem 4: A three phase motor draws 30 kVA at 0.80 power factor lagging from a 480 V three phase…

A: The data are given as KVA ratingS1=30kVA,Power factorpf1=cosϕ1=0.8 laggingso, ϕ1=36.87°.1) Without…

Q: In a 390V, 57 Hz, three phase system, the value of the reactive power without capacitor bank is…

A: Reactive power supplied by capacitor=reactive power power to load without capacitor-reactive power…

Q: Calculate the reactive power in a balanced three-phase circuit when voltage of the load is 480 VAC,…

A: Given, A balanced three phase circuit has, Voltage, VL = 480 V Current of the load, IL = 10 A Power…

Q: 415 V, 54 Hz 3-phase supply is connected to a 3-phase star connected balanced R-L load each of…

Q: A three-phase generator is connected to three 90 Q load resistors. Each coil generates 120 V ac. A…

Q: 1A- A V 80 Es R V 602 Circuit Impedance Z= Phase Angle = arc cos R/Z = Calculated Es = Calculated Ec…

A: By given details we will find out impedance and voltage .

Q: What is the "R" phase voltage of a 230V balanced delta-connected system? O a. 3 * 230 V O b. 398.37…

A: In delta connected system, Phase voltage= line voltage. In balanced system voltage of each phase or…

Q: A load of 40 + j 30 is connected to a source of 200 V with a phase angle of 30o, the total power…

A: we have given;load ZL=40+j30source voltage Vs=200Vphase angle ϕ=300we have to calculateto total…

Q: A:17 0 و أبریل، ۲۰۲۱ -> O A:10 In a 385V, 59 Hz three phase system, the value of the reactive power…

A: In this question , we will find capacitance value for power factor improvement...

Q: A 415 V, 56 Hz 3-phase supply is connected to a 3-phase star connected balanced R-L load each of…

Q: In a 3-phase - Y- connected generator, each phase voltage has a magnitude of 90 Vrms, what is the…

Q: For the circuit of Figure 1, a load having an impedance of 28+j162

Q: A three-phase load consists of three similar inductive coils, each of resistance 502 and inductance…

A: Inductive recatance = 2π×frequency ×inductance For star connection, Phase voltage = line voltage3…

Q: Q9. To represent the balanced single phase power systems, the systems should be connected in O delta…

A: Given that to represent the balance single phase power system the system should be connected in…

Q: 1. Determine the following: (a) Compute the total im (b) Given E = 4sin(2n100 (c) Given E above,…

Q: From S =P+jG P=VICOSE p=VISING In a single phase circuit of two components has esulting current:…

Q: In a star connected system, the three phase currents are mutually displaced by 180 degree. Select…

A: Three phase Star connected system

Q: A single phase inductive load takes 50 kVA at 0.60 power factor lagging. Solve for the kVAR of a…

Q: Three coils each having 42 resistor and 30 inductive reactance are connected delta. If the phase…

A: Impedance of coil=42+32=5 ohm And phase current = 6A. So phase voltage =I*Z= 6*5 = 30 V. And in…

Q: 4 = 80 X 10 sin wi ir = 120 x 10 sin (wt + 60°)|

Q: 3. A 250 kVA, 0.5 lagging power factor load is connected in parallel to a 180 W, 0.8 leading power…

A: Given in Question: Load 1:- S1=250 KVAP.F.=0.5 lagging Load 2:-P2=180WP.F.=0.8 leading Load…

Q: The phase C voltage and the phase A line current of a balanced 3 phase mesh - connecte system are v…

A: In this question, Phase voltage in C is given and phase current in the A is given. Find the total…

Q: A 3 phase delta source is connected to a balanced delta load with a power factor of 0.37. The phase…

Q: 2.In a single phase circuit of two components has the following applied voltage and resulting…

Q: The Line Current of a delta connected three phase alternator is 14 Amperes. Phase Current will be…

A: IN DELTA CONNECTION Line current =3(Phase current)phase current=Line current3given,line current=14…

Q: Given : R = 60 2, XL = j 120-N , e(t) = 120 <30° volts, f = 1KHZ Find : a) total impedance b) total…

A: Disclaimer: Since you have asked multipart questions, we will solve the first three subpart for…

Q: A 415 V, 55 Hz 3-phase supply is connected to a 3- phase star connected balanced R-L load each of…

Q: Two wattmeters are connected to measure power input to a three phase balanced circuit indicates 12…

Q: e phase star connected load has an impedance of 12 + j 18 ohm per phase. A voltage of 440 V 3 phase…

A: Given data: Line voltage, VL=440 VImpedance, ZP=12+j18

Q: Two wattmeters are connected to measure power input to a three phase balanced circuit indicates 11…

Q: Problem [2] Find the complex power, the average power, and the reactive power for the voltage and…

Q: Question No.33 A single phase half bridge VSI has load R = 1.8 Q and DC source voltage 130 – 0 – 130…

A: Given a single phase half bridge VSI has, Load resistance, RL=1.8 Ω DC source voltage, Vdc=130-0-130…

Q: 4 Determine the wattmeter reading for Figure 17–54. W 40 Q 120 V 60 N © Cengage Learning 2013

Q: A three phase system has a supply voltage of 440v, current supplied 120A and a power factor angle of…

A: Given data: Vs=440 V Is=120 V θ=5o Solution: Reactive power is obtained by the below formula,…

Q: A 415 V, 57 Hz 3-phase supply is connected to a 3-phase star connected balanced R-L load each of…

Concept explainers

Current Division Method

The generalized current divider formula is given by the following relation below,

Question

Power Measurement in a Three Phase Star Connected System, the three phase total reactive power is equal to
O V xlx Cos Ø
O 13 VL L
O 13 V! Sin Ø
O 3 x VPH X IL x Sino

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.

Similar questions

Finding equivalent impedance using phasor formAnd question 2 finding i
Calculate the currents 1₁ and 12 in phasor form using the current divider rule. I = 20 AZ40°¹ RM22N XL 60
In reactance diagram, the generator is replaced by O A current source in parallel with its reactance O A voltage source in series with its reactance O A voltage source in parallel with its reactance O A current source in series with its reactance
For the following circuit if the secondary voltage of the transformer is 20V rms, the output voltage is ZV +11 C₂ D₂ DA D₁ HE 2V 123.2 V O 113.1 V O 130.1 V O 55.5 V O ele 000000000 + SE C₂ Ht 2V + D₂ + I
QUESTIÓN 6 Add the following three phasors: 12240°, 9280', 22120° O 21262 O 25240 O 142-12 O 56284
A load consists of X=20 Q and Xc=190 Q are connected in parallel across 120 Volt supply. The reactive power of the circuit is Reactive Power VAR
1) Find all the currents in the circuit. j2 2 30 2 ਆਰ.ਬੀ.ਆਈ. sag 6a ( 12 ) j20 2 j15 2 ( 110/0° V 102 E- j122 1 ) j42 52 -j42
Find the total impedance of the circuit below. -j5 Q 5Ω HE 3Ω 100/0° V(A 5Ω j4 Q 55/29 - j80/29 ohm 220/13 + j320/13 ohm 140/13 + j180/13 ohm 480/13 + j140/13 elle +I
vottng I, The foo volta 1052 resict Calcalate the ralue Mlimum renstor Ri ohich refults in tranger JIon power Rg Xg
15. Find the Line and Phase Currents of the Circuit R1 L4 0.5mH R5 50 R6 V4 L1 L2 R2 L5 R4 30µH L3 30μH 10 0.5mH 120 V 60 Hz 30µH R3 L6 0.5mH
.H.W Show the voltage waveforms across each half of the secondary winding and across RL. • Find the average value of the full-wave rectified voltage in Figure. ● 120 Vrms elller 4:1 D₁ WI RL 1.0 ΚΩ
Consider the following circuit, the value of R is 25 ohmns and L is 0.1H. R. 220V Draw the power triangle indicating real, reactive and apparent power values and the phase angle. acer Pause Prisc Scrik F12 F11 F10 GKEY F9 Home Ins DRANNG BREATH End UGG Del KEFFECT WAVE #1 [ { Enter nift