8. The following test data were obtained for a 10 HP, 220 V, three-phase motor delivering the rated load output:Wattmeter ReadingsNo. 1No. 1WattsWatts59402800Line VoltageVoltsVoltsVoltsA-BB-CC-A220220220At the rated load, determine:Line CurrentAmperesA27a. the input volt-amperes.b. the power input.c. the power factor.d. the efficiency of the motor.Amperes AmperesBC2727

Answered: Image /qna-images/answer/dbf6392e-8ebc-400d-abc8-671194992a28.jpg

8. The following test data were obtained for a 10 HP, 220 V, three-phase motor delivering the rated load output: Line Voltage Volts Volts A-B B-C 220 220 At the rated load, determine: Volts C-A 220 Line Current Amperes A 27 a. the input volt-amperes. b. the power input. c. the power factor. Amperes Amperes B С 27 27 Wattmeter Readings No. 1 No. 1 Watts Watts 5940 2800

8. The following test data were obtained for a 10 HP, 220 V, three-phase motor delivering the rated load output: Line Voltage Volts Volts A-B B-C 220 220 At the rated load, determine: Volts C-A 220 Line Current Amperes A 27 a. the input volt-amperes. b. the power input. c. the power factor. Amperes Amperes B С 27 27 Wattmeter Readings No. 1 No. 1 Watts Watts 5940 2800

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

See similar textbooks

Similar questions

7.a. If a 575-volt three-phase motor originally connected in 3-parallel △ is reconnected in 5-parallel Y, thenew voltage isA. 501 volts.B. 794 volts.c. 747 volts. 7.b. The total flux per pole of a reconnected motor is 900,000 lines of force. If the cross-sectional area ofthe laminated core is 6 sq in. and the cross-sectional area of the teeth per pole is 14 sq in., the flux densityin the teeth is approximatelyA. 120,000 lines.B. 101,000 lines.C. 105,000 lines.
The input power in a delta connected three phase 400V 50Hz induction motor was measured by two watt meter method. The instrument readings were 30Kw and -15kw respectively. Find the total power in kilo watts taken by the motor. B. The power factor of the motor. C. The apparent power (kva) of the circuit. D.the line current. E. The phase current.
References Mailings Review View Help 1 2 3 a. The line-to-neutral excitation voltage b. The line current and power factor. Tell me what you want to do 4 5 A wye-connected synchronous motor connected to a 440V, 3-phase line is operating with an electrical load (torque) angle 8 of -28 degrees while demanding 90 kW from the mains. The motor has negligible resistance and reactance of 1.5 02/ph.
A three-phase alternator of 4 poles and 60 HZ, connected in star of 100 KVA and 1100 volts is tested for OCC, SCC and winding resistance, giving the following data: Based on the above data, obtain: a) - The equivalent circuit per phase of the alternator b) - Operating speed c) - If it is synchronized with a power system whose frequency is 60 Hz and the alternator has a Sp=5 kW/Hz and its speed at the moment of synchronization is 1860 rpm, what power will it deliver? d).- What will be your internal voltage generated if you feed a load with forward PF of 0.9 and you are at 80% of your load? e) - For the case of item d), what is the reactive power delivered or consumed?
The slip value of an asynchronous motor with a 3-phase 10Kw power, 4 poles and a source frequency of 50Hz, is 5% under full load. According to this, what is the shaft torque of the motor? a.67 N.m b.72 N.m c.64 N.m d. 53 N.m e. 56 N.m
C1 (i). The output of the 3-phase, 430 V induction motor is 16 kW and operates at power factor of 0.65 lagging with an efficiency of 84 %. Calculate the reading on each of the two wattmeter connected to measure the input. [ ´ .-] The value of P1 The value of P2
Q2: A Three Phase alternator has the following data: 2500 kva,3000v, star connected ,0.8 lagging power factor, armature resistance is 0.15 ohm/phase. The field winding takes 70 A at 140 V. The friction and windage losses is 20 kw and core losses are 35 kw. Determine the full load efficieney of alternator.
Note: Please do not handwritten.
Since the generated power at 4% slip in a 3-phase induction motor is 15 kW, which of the following is the rotor copper loss? a.600 Wattb.700 Wattc.675 Wattd.625 Watte.650 Watt
FIND THE CURRENT, VOLTAGE AND POWER FOR R1,R2,R3,AND R4.