A three-phase induction motor is to be supplied through a 50 meter length.Determine the conductor size...
A three-phase induction motor is to be supplied through a 50 meter length.Determine the conductor size if the motor power is 10 KW, at a pf 0.8 (lagging) assume that the cable drawn in plastic tube.
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A three-phase induction motor is to be supplied through a 50
meter length.Determine the conductor size...
Three loads are being supplied from an infinite bus operating at 400 V. Load 1 is...
Three loads are being supplied from an infinite bus operating at 400 V. Load 1 is an induction motor consuming 50 kW at 0.7 PF lagging, Load 2 is an induction motor consuming 200 kW at 0.85 PF lagging. Load 3 is a synchronous motor whose real power consumption is 100 kW. If Load 3 is adjusted to operate at 0.8 PF leading, what is total current drawn from infinite bus by the loads?
4. A 3-phase, 340 V, Induction motor is supplied with 60 A at .85 pf lagging....
4. A 3-phase, 340 V, Induction motor is supplied with
60 A at .85 pf lagging. Its stator and rotor copper
losses are 4000 W and 800 W respectively, while its core losses are
2000 W, and its Friction, Windage
and Stray losses are a combined 750 W. Determine:
a. Draw a diagram depicting the energy flow in the motor (Similar
to the one we had drawn in class)
b The air gap power
c. The mechanical power developed
d....
4. A 3-phase, 340 V, Induction motor is supplied with 60 A at.85 pf lagging. Its...
4. A 3-phase, 340 V, Induction motor is supplied with 60 A at.85 pf lagging. Its stator and rotor copper losses are 4000 W and 800 W respectively, while its core losses are 2000 W, and its Friction, Windage and Stray losses are a combined 750 W. Determine: a. Draw a diagram depicting the energy flow in the motor (Similar to the one we had drawn in class) b The air gap power c. The mechanical power developed d. The...
Three-phase induction motor The three-phase induction motor nameplate gives the following informa...
Three-phase induction motor The three-phase induction motor nameplate gives the following information: 100 HP, 6 poles, 600 V, 60 Hz, PF =0.87. Rated motor slip s=0.0275 and rated motor current is 91.7 A. Measured at rated speed friction and ventilation losses are 1100 W. Measured between two motor terminals resistance is 0.305 Ω. f) For a load such where the motor rotates at the speed of 1180 r / min, determine shaft torque and calculate the mechanical power in HP,...
please answer all parts with steps (15%) A three phase source supplies power to an induction...
please answer all parts with steps
(15%) A three phase source supplies power to an induction motor drawing 10 kW at at 240 V and 0.60 power factor lagging, Find, >(a) The reactive power supplied by the source. (o) The apparent power drawn from the source. (c) The complex power drawn from the source. (d)The magnitude of the source current. If a capacitor is connected in parallel with the load, will the source current magnitude increase or decrease. (e)
A small factory has different types of loads which are grouped together as follows A) induction...
A small factory has different types of loads which are
grouped together as follows
A) induction motors : 1200 hp, 0.8 lag PF
B) Heating loads: 100kW at unity PF
A 3 phase synchronous motor is installed at the
factory to improve the factory's overall power factor. Calculate
how much reactively power per phase the synchronous motor must
supply to the system to maintain an overall power factor of 0.9
lagging. 1 hp = 0.746 kW
together as follows: a....
A three-phase induction motor delivers 500 hp at an efficiency of 0.91, the operating power factor...
A three-phase induction motor delivers 500 hp at an efficiency of 0.91, the operating power factor being 0.76 lagging. A loaded synchronous motor with a power consumption of 100 kW is connected in parallel with the induction motor. Calculate the necessary kVA and the operating power factor of the synchronous motor if the overall power factor is to be unity. Answer should be 365 kVA, 0.274
Problem 3. Two three-phase generators supply a three-phase load through separate three-phase lines. The load absorbs...
Problem 3. Two three-phase generators supply a three-phase load through separate three-phase lines. The load absorbs 30 kW at 0.8 power factor lagging. The line impedance is (1.4 + j1.6) 12 per phase between generator G1 and the load, and (0.8 + jl) 2 per phase between generator G2 and the load. If generator G1 supplies 15 kW at 0.8 power factor lagging, with a terminal voltage of 460 V line-to-line, determine: 1. The voltage at the load terminals. 2....
Two three-phase generators supply a three-phase load through separate three-phase lines. The load absorbs 30 kW...
Two three-phase generators supply a three-phase load through separate three-phase lines. The load absorbs 30 kW at 0.8 power factor lagging. The line impedance is (1.4 +J1.6) Ω per phase between generator G1 and the load, and (0.8 +jl ) Ω per phase between generator G2 and the load. If generator Gl supplies 15 kW at 0.8 power factor lagging, with a terminal voltage of 460 V line- to-line, determine 1. The voltage at the load terminals. 2. The voltage...
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...
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...
Three loads are being supplied from an infinite bus operating at 400 V. Load 1 is an induction motor consuming 50 kW at 0.7 PF lagging, Load 2 is an induction motor consuming 200 kW at 0.85 PF lagging. Load 3 is a synchronous motor whose real power consumption is 100 kW. If Load 3 is adjusted to operate at 0.8 PF leading, what is total current drawn from infinite bus by the loads?
4. A 3-phase, 340 V, Induction motor is supplied with
60 A at .85 pf lagging. Its stator and rotor copper
losses are 4000 W and 800 W respectively, while its core losses are
2000 W, and its Friction, Windage
and Stray losses are a combined 750 W. Determine:
a. Draw a diagram depicting the energy flow in the motor (Similar
to the one we had drawn in class)
b The air gap power
c. The mechanical power developed
d....
4. A 3-phase, 340 V, Induction motor is supplied with 60 A at.85 pf lagging. Its stator and rotor copper losses are 4000 W and 800 W respectively, while its core losses are 2000 W, and its Friction, Windage and Stray losses are a combined 750 W. Determine: a. Draw a diagram depicting the energy flow in the motor (Similar to the one we had drawn in class) b The air gap power c. The mechanical power developed d. The...
please answer all parts with steps
(15%) A three phase source supplies power to an induction motor drawing 10 kW at at 240 V and 0.60 power factor lagging, Find, >(a) The reactive power supplied by the source. (o) The apparent power drawn from the source. (c) The complex power drawn from the source. (d)The magnitude of the source current. If a capacitor is connected in parallel with the load, will the source current magnitude increase or decrease. (e)
A small factory has different types of loads which are
grouped together as follows
A) induction motors : 1200 hp, 0.8 lag PF
B) Heating loads: 100kW at unity PF
A 3 phase synchronous motor is installed at the
factory to improve the factory's overall power factor. Calculate
how much reactively power per phase the synchronous motor must
supply to the system to maintain an overall power factor of 0.9
lagging. 1 hp = 0.746 kW
together as follows: a....
Problem 3. Two three-phase generators supply a three-phase load through separate three-phase lines. The load absorbs 30 kW at 0.8 power factor lagging. The line impedance is (1.4 + j1.6) 12 per phase between generator G1 and the load, and (0.8 + jl) 2 per phase between generator G2 and the load. If generator G1 supplies 15 kW at 0.8 power factor lagging, with a terminal voltage of 460 V line-to-line, determine: 1. The voltage at the load terminals. 2....
Two three-phase generators supply a three-phase load through separate three-phase lines. The load absorbs 30 kW at 0.8 power factor lagging. The line impedance is (1.4 +J1.6) Ω per phase between generator G1 and the load, and (0.8 +jl ) Ω per phase between generator G2 and the load. If generator Gl supplies 15 kW at 0.8 power factor lagging, with a terminal voltage of 460 V line- to-line, determine 1. The voltage at the load terminals. 2. The voltage...
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...
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