Question 2) Transform the given wye network to equivalent delta network. 12022 10022 15022
Question 6 (Marks: 5) Transform the following Wye circuit into its corresponding Delta form. Give the resulting resistor values and the new circuit diagram. a 11 Ω 15 Ω b ΑΛΛ ΛΥ ΑΛΛΥ 20 Ω
Calculations. The following system has a WYE Primary, Delta Secondary, and a WYE configuration for the load. The given values for this system are; Primary Line Voltage 4160 VAC Secondary Line Voltage 440 VAC Calculations. The following system has a WYE Primary, Delta Secondary, and a WYE configuration for the load. The given values for this system are; Primary Line Voltage 4160 VAC Secondary Line Voltage 440 VAC
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...
What is the answer for questions 2-5?
Questions: 1. Delta-Wye and Wye-Delta configurations both produce: a) Increases in secondary voltages and currents. b) Decreases in the secondary voltages and currents. c) Phase shift between the incoming and outgoing line voltages. d) Additional V3 increases in the secondary voltages and currents. ANSWER: Choose an item. 2. The line voltage at the secondary of a 10:1 wye-delta connected transformer will be: a) Equal to the line voltage at the primary times b)...
Find R in for the network shown below. Round any Wye-Delta conversions to three decimal places, and round the final answer to one decimal place. 2Ω 6Ω 8Ω 9Ω 4 S2 2Ω in 2Ω 6Ω Rin
A 50-kVA, 13,800/208-V, Delta to Wye connected
distribution transformer has an equivalent resistance of 3 percent
and a reactance of 9 percent per unit.
(a) what's the transformers phase impedance referred to the high
side voltage?
(b) what's the transformers voltage regulation at full load and 0.9
PF leading?
equivalent resistance of 3 percent and a reactance of 9 percent per unit. (a) What is the transformer's phase impedance referred to the high-voltage side? (b) Calculate this transformer's voltage regulation...
A 150 KVA, 2080/208-V, 3 PHASE, delta-wye transformer with the following: RH 450m2 R 4.5m XH 2.20 Load 120 KVA, 90KW (lagging power factor) at rated terminal voltage of 208V Determine a) b) c) The approximate equivalent circuit referred to the low-voltage side The primary voltage The transformer efficiency Please show the following: Circuit with the values given & found Equations used
A 150 KVA, 2080/208-V, 3 PHASE, delta-wye transformer with the following: RH 450m2 R 4.5m XH 2.20 Load...
2-40 Find the equivalent practical voltage source of the circuit shown in Figure P2-40. 10022 200 V (+) 1A 3 10052 V, R
The three figures below show a balanced three phase Delta, its Wye equivalent and the single phase equivalent of the three phase Wye. All three representations have a complex load ZALD or ZYLD and a complex line impedance ZLINE Refer to these diagrams when answering questions 1-4. ZLINE Vab= 679 L 30° ZLINE ZALD ZLINE = 2+1 DELTA ZALD= 18+24j2 LINE ZLINE ZLINE ZYLD 7yun WYE WYE ZYLD ZLINE ZLINE Van Complex Load ZYLD Single Line WYE 1) In the...
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...