A single phase 240V source supplies power to a remotely located power distribution panel through a...
A single phase 240V source supplies power to a remotely located power distribution panel through a 4700ft underground cable. Each conductor of the cable can be modeled by an impedance of 0.0001∠15°Ω per foot. Two loads are connected at the power distribution panel. The first load has an equivalent impedance of 10∠-45°Ω, and the second load has an equivalent impedance of 4∠85°Ω. Compute the real and reactive power consumed by the first load
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A single phase 240V source supplies power to a remotely located
power distribution panel through a...
1 A single phase AC system Consider a single phase AC distribution system in which there...
1 A single phase AC system Consider a single phase AC distribution system in which there a single home connected to a 10kVA service transformer. Let’s assume that the primary of the distribution transformer can be modeled as an ideal 240V (rms) AC source and that the effective impedance of the transformer is 2% resistance and 3% reactance. (See lecture notes for converting % to Ohms). Connected to the secondary of the transformer is 200 ft of #6 AWG aluminum...
A three-phase line, which has an impedance of (2 + j4) Ω per phase, feeds two...
A three-phase line, which has an impedance of (2 + j4) Ω per phase, feeds two balanced three-phase loads that are connected in parallel. One of the loads is Y- connected with an impedance of (30 + j40) Ω per phase, and the other is delta- connected with an impedance of (60 + j45) Ω per phase. The line is energized at the sending end from a 60-Hz, three phase, balanced voltage source of 120√3 V (rms, line- to-line). Determine...
please take note the question is extend a) A single phase 240V 50Hz supply is supplying...
please take note the question is extend
a) A single phase 240V 50Hz supply is supplying a power to a load which consist of 500 resistance and 0.3H inductance through a cable which has an effective impedance of 1+j2 0. The equivalent circuit of the single-phase system is shown in Figure Q1(a). Zcable=1+j2 I Load 5092 240V 50Hz Supply V Load 0.3H Figure Q1(a): A single phase system. i. ii. Determine the load current, low and the load voltage Vood...
Question: A three-phase line has an impedance of 1 + j2 Ω per phase. The line...
Question: A three-phase line has an impedance of 1 + j2 Ω per phase. The line feeds two balanced three-phase loads that are connected in parallel. The first load is Y-connected and has an impedance of 20+j40 Ω per phase. The second load is ∆-connected and has an impedance of 30-j60 Ω per phase. The line-to-line voltage at the load end of the line is 415V. Taking the phase voltage Va as reference, determine: a) The total current per phase...
Problem 1 A balanced three-phase source supplies two loads, as shown in Fig. 1. The voltage...
Problem 1 A balanced three-phase source supplies two loads, as shown in Fig. 1. The voltage rating of the 3-phase source is 6600230° V. Load 1 impedance is 2 =45.9+j572 per phase, Load 2 impedance is Zz=12+j252 per phase. The loads are connected to the source by a 3-phase line with the impedance of ZLine=2.7+j52 per phase. Zine Load 1 a Load 2 a la Z Z Z2 VL Zino Z2 b с 22 с Zine b Fig. 1 Balanced...
A 240V three phase power system supplies two loads in parallel: Load 1: measured line current...
A 240V three phase power system supplies two loads in parallel: Load 1: measured line current 30A, power factor 0.85 lagging, and Load 2: measured power 10kW, reactive power -7.5kVar A. Determine the power factor of load 2. B. Determine the total real power (in kW), reactive power (in kVAR), apparent power (in kVA), power factor and line current (in A) of the two loads.
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...
9. A three phase balanced Y connected source is supplying three, three phase loads that are...
9. A three phase balanced Y connected source is supplying three, three phase loads that are connected in parallel. First load is a y connected and has an impedance of 30+j40 ohms. The second load is absorbing a total of 150kVA at 0.5 power factor lagging. The third load is absorbing 150kVA at 0.5 power factor leading. The line to line source rms voltage is 2500V. i Find the load current in each load i) Find the total real and...
Question 25 A balanced 3-phase Y-connected power supplies an office building through a four-wire distribution. The...
Question 25 A balanced 3-phase Y-connected power supplies an office building through a four-wire distribution. The circuit operates at 60 Hz. The voltage at the source is such that ? is taken in reference value and its value is 380 V in rms value and phase sequence ABC (positive). All the distribution line conductors are of the same material and have equal cross-sections. Considering the length of the line and the characteristics of the electrical cables, the impedances neutral conductors...
A Δ-connected source supplies power to a Y-connected load in a three-phase balanced system. Given that...
A Δ-connected source supplies power to a Y-connected load in a three-phase balanced system. Given that the line impedance is (1 + j1) Ω per phase while the load impedance is (6 + j4) Ω per phase, find the magnitude of the line voltage at the load. Assume the source phase voltage Vab= 208 ∠0° V rms. The magnitude of the line voltage at the load is _______ Vrms.
please take note the question is extend
a) A single phase 240V 50Hz supply is supplying a power to a load which consist of 500 resistance and 0.3H inductance through a cable which has an effective impedance of 1+j2 0. The equivalent circuit of the single-phase system is shown in Figure Q1(a). Zcable=1+j2 I Load 5092 240V 50Hz Supply V Load 0.3H Figure Q1(a): A single phase system. i. ii. Determine the load current, low and the load voltage Vood...
Problem 1 A balanced three-phase source supplies two loads, as shown in Fig. 1. The voltage rating of the 3-phase source is 6600230° V. Load 1 impedance is 2 =45.9+j572 per phase, Load 2 impedance is Zz=12+j252 per phase. The loads are connected to the source by a 3-phase line with the impedance of ZLine=2.7+j52 per phase. Zine Load 1 a Load 2 a la Z Z Z2 VL Zino Z2 b с 22 с Zine b Fig. 1 Balanced...
A 240V three phase power system supplies two loads in parallel: Load 1: measured line current 30A, power factor 0.85 lagging, and Load 2: measured power 10kW, reactive power -7.5kVar A. Determine the power factor of load 2. B. Determine the total real power (in kW), reactive power (in kVAR), apparent power (in kVA), power factor and line current (in A) of the two loads.
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...
9. A three phase balanced Y connected source is supplying three, three phase loads that are connected in parallel. First load is a y connected and has an impedance of 30+j40 ohms. The second load is absorbing a total of 150kVA at 0.5 power factor lagging. The third load is absorbing 150kVA at 0.5 power factor leading. The line to line source rms voltage is 2500V. i Find the load current in each load i) Find the total real and...
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