A standby Diesel generator set will have the
following loads: Inductive load drawing 50
kVA at 0.8 power factor; Lighting load
drawing 20 kVA at 1.0 power factor. At what
power factor will the generator operate?
A standby Diesel generator set will have the following loads: Inductive load drawing 50 kVA at...
A generator is supplying two loads at 2800V and 60 Hz. The loads are: Load 1: 10 kVA, at 0.6 pf lagging. Load 2: 12 kW and 10 KVAR inductive a. Calculate the total active and reactive power, and the power factor of the load. S- S, - ST- Pr- PF-
An industrial load absorbs 400 KVA at a power factor inductive of 40% at 5 KV and 60 HZ power line. To improve the power factor up to 85% inductive, what should be the Q delivered and the value of necessary capacitor to connect in parallel with that industry? Problem #5: An industrial load absorbs 400 KVA at a power factor inductive of 40% at 5 KV and 60 HZ power line. To improve the power factor up to 85%...
(a) A 240 V 50 Hz factory electrical system has the following loads connected in parallel: Load 1: 4 kW at a power factor of 0.8 lag Load 2: 6 kVA at a power factor of 0.6 lag Load3: 6.5 kVA with 2.5 kVAr of leading reactive power Determine: (C) the overall system power factor, (ii) the value of a power-factor correction capacitor to improve the power factor to unity, and (ii) the value of a power-factor correction capacitor to...
A 40-KVA, 50 Hz transformer was found to have an efficiency of 97% at full-load, 0.8 power factor lagging. It was also found that the maximum efficiency was obtained at 82% full-load, at the same power factor. Determine the core loss Pi , copper loss at full load Pcufl and the maximum efficiency of the transformer ηmax at 0.8 power factor lagging? Question 1 A 40-KVA, 50 Hz transformer was found to have an efficiency of 97% at full-load, 0.8...
1, Two balanced three-phase loads are in parallel. Load 1 draws 10 kW at 0.8 PF lagging Load 2 draws 20 kVA at 0.6 PF leading a. b. The loads are supplied by a balanced three-phase 480 Vu source. (a) Draw the power triangle for the combined load. (b) Determine PF of the combined load. (c) Determine the magnitude of the line current from the source. (d) Y-connected inductors are now installed in parallel with the combined load. What value...
QUESTION 6 (MULTI-PHASE SYSTEMS) A 400 v, 50 Hz, three-phase distribution system supplies a 20 kVA, three-phase induction motor load at a power factor of 0 8 lagging, and a star-connected set of impedances, each having a resistance of 10 Ω and an inductive reactance of 8 Ω Calculate the capacitance of delta-connected capacitors required to improve the overalil power factor to 0 95 lagging [14] TOTAL 1001 QUESTION 6 (MULTI-PHASE SYSTEMS) A 400 v, 50 Hz, three-phase distribution system...
1. (10 points total) A source supplies power to the following three loads connected in parallel: (1) a lighting load drawing 10 kW, (2) an induction motor drawing 10 kVA at 0.90 power factor lagging, and (3) a synchronous motor operating at 10 hp, 85% efficiency and 0.95 power factor leading (1 hp 0.746 kW). (a) Determine the real, reactive, and apparent power delivered by the source. (8 points)
For parallel loads given, with load 2 is inductive (L), while load 3 is capacitive (C). Find the total a. average power, b. reactive power, c. apparent power, d. overall power factor pf of the network given. Load | 1 Load 2 Load 3 V = 220 V 20° O VAR 100 W 700 VAR (L) 200 W 1500 VAR (C) 300 W 10
A 60-Hz single-phase AC power network is shown in the figure below with four different loads. The source voltage ES-320 0. Prior to adding the capacitor load for power factor correction, the source current IS-135 30 . Determine the capacitance (in μF) of the capacitive load that will make the power factor unity (pf 1.0) of the system. Enter the one best answer (as a number without the units) from the following choices: Sync 74 % 6 15 kVA 10...
please show steps. Thank you. (40%) Problem 2 of 3: An engine-generator set is paralleled with a 13.2 kv, 60 Hz infinite (utility) bus to deliver power to a 2000 kw plant load at 0.866 lagging power factor. The synchronous generator is wye-connected and rated 3750 kva, 13.2 kv, and 0.8 power factor lagging with 1.0 per unit synchronous reactance and negligible armature resistance. 13.2 kVI 60 Hz I infinite bus utility) rated: 3750 kva 0.8 lag load: 2000 kW...