3. A balanced delta-connected load is connected across a balanced 3-phase, 120 V, 60 Hz, 3-wire system. Two wattmeters are properly connected to measure the power drawn by the load. If the wattmeters read 1500 W and 500W, find the complex impedance of the load per phase.

Q: Q- In a two-wattmeter method of measuring power in a balanced 3- phase circuit, the ratio of the two…

A: Given- 2-wattmeter method, Balanced 3-phase circuit, Ratio of the readings=1:2, To Find- The value…

Q: In a balanced star connected 3-phase circuit, of impedance (8+j6) ohm is connected to a 230V,50HZ…

A: Active Power(P): The power which is deployed and absorbed by the electric circuit to do some useful…

Q: Consider the three-phase circuit shown in Figure 1. A generator supplies three loads: L,, L, and L,…

A: In this question, we need to determine the current in the each phase?  Draw the phasor diagram of…

Q: Three coils are connected in delta across a 240 V, three-phase supply. The line current is 20 A. The…

A:

Q: fngure are as fol Generator G 160 kVA 22 KV X= 9% Line Z- 2 + j5 S2 22 KV Transformer T 200 kVA…

A: Given base values are 160 KVA, 20 KV

Q: 3- phase power don't we need to multiply with 3? also Vt=13.1 KV, so shouldn't it be 13.1e3? in the…

A: The three-phase power can be calculated by the formulas shown below:…

Q: 3.3 The active power of a 440-V, 3-phase lagging power factor load is measured by two-wattmeter…

A:

Q: Star circuit to three-phase variable power supply. Set the resistors to a value of 300 Ω and the…

A:

Q: 9pf leading 150A@ 0.8pf lagging Figure 1 On the single-phase distributor shown on figure 1 above the…

A:

Q: In a parallel, 2 wye-connected ac generators are linked. The 1st generator has a per-phase impedance…

A: Active power delivered by the Generator = Vt* I Power factor . Reactive power delivered by the…

Q: ww v, 202 152 ww 302 50 mH

A:

Q: Three loads, each of resistance 50 ohms are connected in delta to a 400 V, three-phase supply.…

A: Given resistance per phase, R = 50 ohms Line voltage, VL = 400 V

Q: A 3-phase, star-connected, balanced load is supplied from a 3-phase, 400 V (rms), balanced voltage…

A: Given- 3-phase, star connected, balanced load is supplied- 3-phase, 400 V(rms), wattmeter reading WR…

Q: 1. What is the main direct cause of reactive power in AC system? A. Resistance of transmission lines…

A:

Q: A balanced 3-phase delta load is going to be connected across a 230 V, balanced 3-phase source. In…

A: Given that: A balanced delta load has 12-j5 ohms phase impedance each. The line voltage (VL) of the…

Q: For an AC power distribution circuit, the line voltage is 480V and the line current is 53A. The…

A:

Q: 2. Consider the three phase generator below: Phase A Phase B N Phase C N S a) If the stator rotates…

A:

Q: Two wattmeters used to measure the power input in a 3.phase circuit indicate 1000 W and 500 W…

A:

Q: 4. Three impedance of R= 102 and L=5mH are connected in STAR across a 500V,50HZ 30 AC supply. Find…

A:

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: Three single phase loads are connected to the 400 V, three phase lines, 60 Hz. Load 1 operating at 3…

A:

Q: In a balanced delta connected 3-phase circuit, has resistance 16 ohm and inductive reactance 12 ohm,…

A: Given data, 3-phase, 230V, 50Hz supply voltage resistance = 16 ohm inductive reactance = 12 ohm

Q: 3. A three phase motor canbe regarded as Balanced "Delta" load. A three motor draws 6 KW when the…

A: Given data: The motor draws power = 6 Kw The line voltage VL=225 V The line current IL=20 A

Q: In Figure 1, the 3-phase source has a line-to-line voltage of 440 volts. The details of the…

A: The line-to-line voltage of 3-phase source is VL=440 V.Two three-phase Y- and delta-connected loads…

Q: The power flowing in a three-phase, three-wire balanced load system is measured by the two-wattmeter…

A: Given Data, The reading on wattmeter A =5kW The reading on wattmeter B = -1kW

Q: A three phase load is connected in delta to a three phase 440 V, 50 Hz mains. An inductor of 100 mH…

A: Solution: A three phase load is connected in delta, voltage V=440 v, f=50 Hz, Inductor  L= 100mH…

Q: Two wattmeters are connected to measure power input to a three phase balanced circuit indicate 60 kW…

A:

Q: When the two-wattmeter method is used to measure the input power of a balanced load, the readings on…

A: Given,

Q: For an AC power distribution circuit, the line voltage is 480V and the line current is 53A. The…

A:

Q: Consider a simple positive phase sequence, three-phase, three-wire system operated at 50 Hz and with…

A: In this question, we need to determine the power supplied by the three-phase source. Three phase…

Q: 3-phase delta connected balanced load is supplied from a 3 phase, 405 V supply. The line current is…

A: In the question  3 phase Delta balance connected system Line voltage V= 405V Line current I= 18A…

Q: A factory has the following load with power factor of 0.9 lagging in each phase. Red phase 40 A,…

A: Given IR=40 AIY=50 AIB=60 AV=400 V Taking VRN as reference VRN=4003VRN=230.9 V VRN=230.9∠0°…

Q: Given: 1. 2 wye-connected loads per phase to a 3 phase power source 2. first load consists of a…

A:

Q: . Calculate the voltage regulation of a 230V, three phase alternator supplying the following loads…

A: As per our policy i have attempted first three sub-parts Given data:  Voltage regulation is: 230 V

Q: 2. A three phase delta connected balanced resistive load is connected to a three phase delta…

A: Given data: Vab=240∠00 VRab=120 Ω

Q: In CRO, the frequency of altemating current is 4 Hz, then the periodic time is

A: relation between frequency and periodic time is ,  periodic time = 1frequency

Q: In a 3-phase power measurement by two wattmeter method the reading of one of the wattmeter is zero.…

A: Given: Two wattmeter method has, First Wattmeter reading, W1=W Second wattmeter reading, W2=0

Q: A balanced load is connected in star across a 3 phase 415V 50Hz supply. The load consists of a coil…

A: Given data,3 phase Supply voltage V=415V Frequency (f)=50Hzload consists of a coil of resistance…

Q: Three impedance of R= 10W and L=5mH are connected in STAR across a 500V,50Hz 3f AC supply. Find all…

A: Active Power(P): The power that is deployed and absorbed by the electric circuit to do some useful…

Q: In a three phase Delta-Wye connection a.) What is the relationship between the line to line voltage…

A:

Q: 1) Principle and features of different methods for measuring three-phase power. 2) Discuss the…

A:

Q: The equivalent impedance per phase of a star-connected load are as follows: Za= 100 Ohms, Zb=j5…

A: Total power: The quantity of power in a circuit at any particular time is known as instantaneous…

Single Phase AC Circuit

Alternating Current (AC) is a type of electric power in which the electric current changes, both in magnitude and direction, at regular intervals. This AC Circuits can deliver power in either a Single Phase system or a Three Phase system.