calculate the flux in a 4-pole dynamo with 722 armature conductors generating 500volts when running at...
calculate the flux in a 4-pole dynamo with 722 armature conductors generating 500volts when running at 1000 rpm when the armature is a) lap connected b) wave connected.
Homework Answers
Add Answer to:
calculate the flux in a 4-pole dynamo with 722 armature
conductors generating 500volts when running at...
A 4-pole, lap wound, d.c machine has total number of 800 armature conductors and produces 0.03...
A 4-pole, lap wound, d.c machine has total number of 800 armature conductors and produces 0.03 Wb flux per pole when field is excited. If the machine is driven by a prime mover at 1000 rpm, calculate the generated emf across the armature. If the generator is loaded to deliver an armature current of 50 A, Calculate the prime mover and electromagnetic torques developed at this load current. Neglect frictional torque.
The armature of a 6-pole separately excited dc generator is lap wound with 534 conductors. This...
The armature of a 6-pole separately excited dc generator is lap wound with 534 conductors. This machine delivers power to the load at 250V while being driven at 1000 rpm. At this load, the armature circuit dissipates 640W. If the flux per pole of this generator is 30-mWb, determine the kW rating of the load served.Assume a total brush contact drop of 2V.
A 6 pole D-C generator has an armature winding with 684 conductors connected in 12 parallel...
A 6 pole D-C generator has an armature winding with 684 conductors connected in 12 parallel paths. Calculate the generated voltage in this machine if each pole produces 8410000 maxwells and the armature speed is 1410 rpm. 675.9117 677.9118 677.9117 675.9118 The armature winding of a 6 pole D-C generator has 192 conductors connected in 12 parallel paths. At what speed should the machine be driven if it is to develop 220.4608 volts if each pole produces 1.036E+07 maxwells. 1335...
A ten-pole wave-connected armature is 1 point wound with 460 conductors. The magnetic flux and the...
A ten-pole wave-connected armature is 1 point wound with 460 conductors. The magnetic flux and the speed are such that the average emf generated in each conductor is 2.55 V; each conductor is capable of carrying a full-load current of 200 A. Calculate the total power generated on full load. (a) 97.92 kW (b) 234.6 kW (c) 357.2 kW (d) 1173 kW
A 4-pole Direct Current (DC) armature wave winding has 294 conductors (HELP)
Question: A 4-pole Direct Current (DC) armature wave winding has 294 conductors: (i) What flux per pole is necessary to generate 230 V when rotating at 1500 revolutions per minute (rpm)? (ii) What is the electromagnetic torque at this flux when rated armature current of 120 A is flowing? (iii) How many interpole ampere turns are required with this current if the interpole gap magnetic flux density is to be 0.15 tesla and the effective radial air gap is 8 mm....
A6 A 8-pole lap wound armature rotated at 600 rpm is designed to generate 240 V....
A6 A 8-pole lap wound armature rotated at 600 rpm is designed to generate 240 V. The flux per pole is 0.06 Wb and the armature has 100 slots. (a) Determine the suitable number of conductors for each of the slot. (b) Based on the result found in part (a), calculate the armature voltage if its winding is changed to a wave winding and the motor speed is decreased to 200 rpm. (3 marks) (2 marks) A7 Elaborate the merits...
A 4-pole Direct Current (DC) armature wave winding has 294 conductors question help
Question 39. A 4-pole Direct Current (DC) armature wave winding has 294 conductors: (i) What flux per pole is necessary to generate 230 V when rotating at 1500 revolutions per minute (rpm)? (ii) What is the electromagnetic torque at this flux when rated armature current of 120 A is flowing? (iii) How many interpole ampere turns are required with this current if the interpole gap magnetic flux density is to be 0.15 tesla and the effective radial air gap is...
A-4 pole, lap-wound, long shunt, dc compound generator has useful flux per pole of 0.07 Wb....
A-4 pole, lap-wound, long shunt, dc compound generator has useful flux per pole of 0.07 Wb. The armature winding consists of 220 turns and the resistance per turns is 0.004 Ω. Calculate the terminal voltage if the resistance of the shunt and series field are 100 Ω and 0.02 Ω respectively; when the generator is running at 900 rpm with armature current 50 A. Also calculate the output power in kW for the generator.
Question (2) A 4-Pole, 220 V shunt motor has 540 lap-wound conductors. It takes 32 A...
Question (2) A 4-Pole, 220 V shunt motor has 540 lap-wound conductors. It takes 32 A supply main and develops output power of 5.595 kW. Shunt field and armature resistance are 2202 and 0.092 respectively and flux per pole is 30 mWb. Calculate () the speed (ii) Calculate starting current (i) Calculate current flowing through armature at speed of 500 rpm (v) Shaft torque at speed calculated in (1)
Show all working 1. A 4 pole, 220 V, 10 H.P, d.c. shunt motor is rotating...
Show all working 1. A 4 pole, 220 V, 10 H.P, d.c. shunt motor is rotating at a speed of 320 rpm. Then the developed useful torque is 2. A 4 pole, lap wound d.c. motor drawing an armature current of 20 A has 360 conductors. If the flux per pole is 0.015 Wb then the gross torque developed by the armature of motor is 3. A 220 V, d.c. motor draws an armature current of 20 A. Its armature...
A ten-pole wave-connected armature is 1 point wound with 460 conductors. The magnetic flux and the speed are such that the average emf generated in each conductor is 2.55 V; each conductor is capable of carrying a full-load current of 200 A. Calculate the total power generated on full load. (a) 97.92 kW (b) 234.6 kW (c) 357.2 kW (d) 1173 kW
A6 A 8-pole lap wound armature rotated at 600 rpm is designed to generate 240 V. The flux per pole is 0.06 Wb and the armature has 100 slots. (a) Determine the suitable number of conductors for each of the slot. (b) Based on the result found in part (a), calculate the armature voltage if its winding is changed to a wave winding and the motor speed is decreased to 200 rpm. (3 marks) (2 marks) A7 Elaborate the merits...
Question (2) A 4-Pole, 220 V shunt motor has 540 lap-wound conductors. It takes 32 A supply main and develops output power of 5.595 kW. Shunt field and armature resistance are 2202 and 0.092 respectively and flux per pole is 30 mWb. Calculate () the speed (ii) Calculate starting current (i) Calculate current flowing through armature at speed of 500 rpm (v) Shaft torque at speed calculated in (1)
Most questions answered within 3 hours.
-
Where is the error in this code sequence?
String s1 = "Hello";
String s2 = "ello";...
asked 11 months ago -
Financial data for Joel de Paris, Inc., for last year
follow:
Joel de Paris, Inc.
Balance...
asked 11 months ago -
Consider this reaction:
Al2(SO4)3 (aq)+ BaCl3
(aq) Al2Cl6 (aq)- +
3BaSO4(s) . What is the...
asked 11 months ago -
Suppose that Savneet is considering increasing her
recent random sample from 20 car rentals to 40...
asked 11 months ago -
Trucks arrive at an unloading terminal at an average rate of 120
per hour.
Trucks arrive...
asked 11 months ago -
Why are methanol and ethanol completely soluble in water while
octanol is not very little soluble....
asked 11 months ago -
A facilities manager at a university reads in a research report
that the mean amount of...
asked 11 months ago -
When the CuSO4 is rehydrated by adding water to the anhydrous
compound, is this an endothermic...
asked 11 months ago -
A ray of sunlight is passing from diamond into crown glass; the
angle of incidence is...
asked 11 months ago -
A block of mass 0.249 kg is placed on top of a light, vertical
spring of...
asked 11 months ago -
how do the kidneys compensate in the presences of acidosis
a) trigger hyperventilate
b) reserve acid...
asked 11 months ago -
Question 501 pts
The rental rate of capital to the firm increases. Which of the
following...
asked 11 months ago