An ammeter is used to measure power in a three-phase load. True False
Q: Power and Power factor of a star connected balanced load can be measure by using minimum ______…
A:
Q: A balanced star connected load is supplied from a symmetrical 3 phase, 400 V system. The current in…
A: GivenA balanced star connected load is supplied from symmetrical three phase 400 v systemThe phase…
Q: Three-phase, 4-wire, wye-connected systems are created by connecting ____ single-phase transformers…
A: In the “Y” (wye) configuration, three single-phase transformers to create three-phase, 4-wire,…
Q: In a star connected system, the three phase currents are mutually displaced by 120 degree. Select…
A: In star connected systems each phase is differ by 120 degrees apart. Ex: Phase A current : Ia= Ia at…
Q: 2. A three phase delta connected balanced resistive load is connected to a three phase delta…
A: For delta connected load line current =3×phase current power consumed=3*I2*R. Energy= power *time
Q: Q.35: Three wattmeters W, W, W, are connected, respectively to phases a, b. and c to measure the…
A: Given unbalanced load ZAB=10-j5 ΩZBC=16 ΩZCA=8+j6 ΩSource voltage =440 v
Q: It is required to increase the power factor of a 750 KW three-phase balanced load from 70% lagging…
A: Given The line voltage and two power factors.we need to determine the capacitance required to…
Q: a. Must you see two wattmeters to measure the total three-phase power on a balanced three-phase…
A: Given: Wattmeters method
Q: Consider the balanced 3-phase circuit shown below (a) Sketch the single phase equivalent circuit.…
A: In the balanced 3-phase circuit (a) Sketch the single phase equivalent circuit. Show all values on…
Q: Generator Load I Load 2
A:
Q: A three-phase system consists of 3 wires plus ground wire. O True O False
A: In this question we will write about 3 phase system....
Q: 2. A three phase delta connected balanced resistive load is connected to a three phase Y connected…
A: Given: A three-phase delta-connected balanced resistive load is connected to a three-phase…
Q: The wire that carries current to equipment is called Phase wire. Select one: True False
A: There is two wire which carry current- 1.Live wire(Phase wire) 2.Neutral wire.
Q: A Sketch the circuit diagram of a star connected three phase load and mention the line and phase…
A:
Q: 22 (a) Three-phase generator consist of three set of single-phase generators, with voltages equal in…
A:
Q: The algebraic sum of the three voltages in a three phase system is always equal to zero. True…
A: Brief description: Here in the above given question they are discussing about three phase systems.…
Q: Compute for the power of a three phase, three wire, 50HZ, balanced and negative sequence power…
A: In the question, Find the three phase power in the following in the following information, This is…
Q: In a 3-phase, 4-wire system, two phases have currents of 10 A and 6 A in lagging power factors of…
A:
Q: In a 3-phase system, the power dissipated in the delta connected load is √3 times greater than the…
A: In a 3-phase system, the power dissipated in the delta connected load is √3 times greater than the…
Q: For a 3-phase balanced load condition, each phase has the same value of resistance, impedance, and…
A: in the balanced condition same value of current flows through the all three-phase
Q: 2. (A) In a 440 V, 3-phase balanced AC-system, a wattmeter is connected as follows: curren- coil(CC)…
A: The solution is given below
Q: 1) What is the phase angle between the phases in an ideal 3-phase system?
A:
Q: Total power of the three-phase balanced star connected system is the sum of the power consumed by…
A: The phase impedances of a balanced star connected load have equal currents so the phase power is…
Q: i) Explain the method for measurement of power in three phase load by using two watt-meter method.…
A: To explain this method, let us take an example of a balanced three phase load connected in star…
Q: 2. A three phase Y connected balanced resistive load is connected to a three phase Y connected…
A: Dear student we have limited time to solve your question.we will answering first question for…
Q: In a 3-phase star connected system, prove that VL = Vph by considering the line voltage (VYB = VY…
A: In cas of star connection Line voltage = √3 × Phase voltage
Q: Define the parts and functions of AC Generator - Define the working principle of AC Generator. -…
A: AC Generator A machine that converts mechanical energy to electrical energy is called AC generator.…
Q: balanced three-phase delta–wye system is shown in Figure 1. For positive phase sequence, calculate…
A: The solution can be achieved as follows.
Q: 4- in scott connection: 1- Draw the connection diagram. 2- Prove that when the load is balance then…
A: Scott connection: It is a type of transformer or connection which is used to produce two phase power…
Q: 1. Design a three-phase system with a combination of three-phase and single-phase loads.
A:
Q: A three-phase, four-wire system operating with a 208-V line voltage is shown in the figure. The…
A:
Q: 8. A 415-V, 3-phase, 4-wire system supplies power to three non-inductive loads. The loads are 25 kW…
A:
Q: 5.35 In two-wattmeter method of measuring power in a balanced 3-phase circuit, the readings of the…
A:
Q: With neat diagram discuss 3-phase power measurement using three wattmeter method and wire down the…
A: The 3-phase power measurement using three wattmeter method is as follows:
Q: 2. In a three phase system the named voltage is defined as the Line to ground voltage Phase to…
A: There are certain notations we use to refer physical quantity in power system and it is a type of…
Q: balanced 3-phase load draws 120 amperes line current at 230 volts line to line, 0.848 pf lagging…
A: We need to find out power .
Q: How to avoid errors in the Measurement of 3- Phase Power Using Two-Wattmeter Method.
A: Measurement devices are used to measure electrical quantities. The true value and the measured value…
Q: In three phase star connected system, the phase voltage is equal to line voltage. Select one: True…
A: In three phase star connected system, the phase voltage Vph= ( line voltage)VL)/√3 But the phase…
Q: In a balanced three-phase system, Vbn = 277≮30º. If you could measure the magnitude and angle of…
A: Given, a balanced three phase system. Vbn = 277 < 30° To find the magnitude and angle of line Vac…
Q: Calculate the line currents for phase a, b and c. 2. Calculate the line to neutral voltages at the…
A: Fig: Given citrcuit (1) Although in the Y- connected system Line current =phase…
Q: 2. A three phase Y connected balanced resistive load is connected to a three phase Y connected…
A: As per Bartleby guidelines we are allowed to solve only one question three subparts,please ask the…
Q: 3. When calculating power in a three phase circuit, you must first know if it in a Wye or Delta…
A:
Q: 59. What does EL(Load) represent? - a. line voltage of the load b. phase voltage of the alternator…
A:
Q: 15. phase is 120 V and 100 A, respectively, calculate a) In a three-phase transmission power system,…
A:
Q: Draw with explain the single line diagram of a power system with all protatctive elements
A: Protective Elements:- Lightning Arrester :-It is a device used in electrical power systems to…
Q: In three phase delta connected system, the phase voltage is equal to line voltage Select one: True…
A:
Q: A three phase system has line to line voltage Vab= 1500 Vrms with 30 degree angle with a why load.…
A:
Q: In a balanced three-phase, 208 V circuit, the line curren
A: Active Power- It is power utilized by the load. It is denoted by P Reactive power- It is the power…
Q: In a two-wattmeter method of measuring power in a balanced 3 phase circuit, the Wattmeters indicate…
A: Given: In a two wattmeter method, the wattmeter indicate equal and opposite reading. W1=W.W2=-W.
Q: 1. In a 3-phase overhead system, each line is suspended by a string of 3 insulators. The voltage…
A: The solution can be achieved as follows.
-
An ammeter is used to measure power in a three-phase load.
- True
- False
Step by step
Solved in 2 steps
- The admittance of a network is (0.05– j0.08) S. Determine the values of resistance andreactance in the circuit if they are connected (a) in series, (b) in parallel.A single-phase sinusoidal voltage of 120 V is connected to a 90 Ω load. Current in the circuit is 1.33 A 133 mA 13.3 mA 6.2 A11. Three loads, each of resistance of 10 Ω and inductance of 100mH is connected in a star with a 3-phase supply. The frequency is 50 Hz. Line current is 5 A. Determine phase voltage, line voltage, and phase current
- A 3- phase 5 kW inductions motor has a power factor of 0.75 lagging. A bank of capacitors is connected in delta across the supply terminals and power factor is raised to 0.9 lagging. Determine the kVAR rating of the capacitors connected in each phase.A single phase inductive load takes 50 kVA at 0.60 power factor lagging. Solve for the kVAR of a capacitor required to improve the power factor to 0.81.A motor is connected to a 240volt, three phase line. The true power of the motor is 2793Watts. The motor has a current draw of 12amps. Find the amount of capacitance needed to correct the power factor to a value of 95%.
- A given load takes 40 kVA at 50% lagging power factor, while another load is connected in parallel across the same source takes 80kVA at 86.7% lagging power factor. Find the apparent powerAn impedance of 10 + j80 ohms is connected in parallel with a 50 ohms resistor across a 230V ac source. What is the power factor of the circuit? a. 0.95 b. 0.84 c. 0.87 d. 0.92In the circuit in the figure, R=8 Ohm, Rb=2 Ohm, XL=J1 Ohm, XC=J5 Ohm, V=16 (0 degrees) V/50 Hz. (To be solved using Complex Numbers) a) IR, IXC and Ib currents b) Circuit current c) Impedance of the Circuit d) Calculate the Power Coefficient of the Circuit.