Rotational Linear Velocity Acceleration Motion Angular Velocity Angular
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-1.jpg)
![Rotational • Linear Velocity • Acceleration Motion . Angular Velocity . Angular Rotational • Linear Velocity • Acceleration Motion . Angular Velocity . Angular](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-2.jpg)
![Newton’s Law of Rotation (force applied) (perpendicular distance) (Fig 1 -2. ) (J: moment Newton’s Law of Rotation (force applied) (perpendicular distance) (Fig 1 -2. ) (J: moment](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-3.jpg)
![Magnetic Field 磁場 安培定律是說明電流產生磁場的基本定律。 • Ampere’s Law I • Magnetic Field Intensity H Magnetic Field 磁場 安培定律是說明電流產生磁場的基本定律。 • Ampere’s Law I • Magnetic Field Intensity H](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-4.jpg)
![Magnetic Flex Φ, B • Magnetic Flex Φ • Magnetic Flex Density B Magnetic Flex Φ, B • Magnetic Flex Φ • Magnetic Flex Density B](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-5.jpg)
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-6.jpg)
![EX 1 -2 given : B, N, R find: R, Ф, I EX 1 -2 given : B, N, R find: R, Ф, I](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-7.jpg)
![EX 1 -3 given : N, I, R find: R, Ф EX 1 -3 given : N, I, R find: R, Ф](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-8.jpg)
![1. 6 Induced Force on a wire Motor action I 1. 6 Induced Force on a wire Motor action I](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-9.jpg)
![1. 7 Induced Voltage + _ 1. 7 Induced Voltage + _](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-10.jpg)
![1. 8 the Linear DC Machine Fig 1 -19. 1. 8 the Linear DC Machine Fig 1 -19.](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-11.jpg)
![Starting the DC Machine Starting the DC Machine](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-12.jpg)
![Linear DC Machine Behaves: 1. At Start: 2. Force: 3. Accelerate: 4. Reduce I Linear DC Machine Behaves: 1. At Start: 2. Force: 3. Accelerate: 4. Reduce I](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-13.jpg)
![Linear DC Machine as a Motor: is applied to the bar: 1. 2. 3. Linear DC Machine as a Motor: is applied to the bar: 1. 2. 3.](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-14.jpg)
![Linear DC Machine as a Generator 1. Applied force (right) , 2. Increase Velocity Linear DC Machine as a Generator 1. Applied force (right) , 2. Increase Velocity](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-15.jpg)
![http: //www. mpoweruk. com/machines. htm http: //www. mpoweruk. com/machines. htm](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-16.jpg)
![DC Machine DC Machine](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-17.jpg)
![DC Machinery Fundamentals DC Machinery Fundamentals](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-18.jpg)
![DC Gen DC Gen](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-19.jpg)
![DC & AC Gen DC & AC Gen](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-20.jpg)
![DC Generator DC Generator](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-21.jpg)
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-22.jpg)
![The Induce Torque The Induce Torque](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-23.jpg)
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-24.jpg)
![Structure Structure](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-25.jpg)
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-26.jpg)
![Ex 8 -1 Give: a. Switch closed Steady state: Ex 8 -1 Give: a. Switch closed Steady state:](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-27.jpg)
![b. Starting condition Noload steady-state condition b. Starting condition Noload steady-state condition](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-28.jpg)
![C. load torque is applied ; 1. Speed decrease: …………………. 2. Rotor current: …………… C. load torque is applied ; 1. Speed decrease: …………………. 2. Rotor current: ……………](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-29.jpg)
![Power supplied to the shaft: Power out of battery: Power supplied to the shaft: Power out of battery:](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-30.jpg)
![d. A Torque Is Applied in Direction of Motion , a. The rotor accelerates d. A Torque Is Applied in Direction of Motion , a. The rotor accelerates](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-31.jpg)
![D b. c. d. (charge) D b. c. d. (charge)](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-32.jpg)
![DC machine basics(換相 ) X X Force South pole X Angular velocity X Zero DC machine basics(換相 ) X X Force South pole X Angular velocity X Zero](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-33.jpg)
![換相 Commutation 換相 Commutation](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-34.jpg)
![Basic theory Basic theory](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-35.jpg)
![8. 2 Commutation (2 P) 折疊 波繞 8. 2 Commutation (2 P) 折疊 波繞](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-36.jpg)
![Lap-wound A lap winding is m-plax; Pitch: Current path: 折疊 Lap-wound A lap winding is m-plax; Pitch: Current path: 折疊](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-37.jpg)
![Lap-Wound Lap-Wound](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-38.jpg)
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-39.jpg)
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-40.jpg)
![The Wave Winding Pitch: Multiplex wave C is the number of coil on the The Wave Winding Pitch: Multiplex wave C is the number of coil on the](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-41.jpg)
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-42.jpg)
![8. 4 Problems With Commutation Armature Reaction Neutral-plane shift a. Arcing and sparking b. 8. 4 Problems With Commutation Armature Reaction Neutral-plane shift a. Arcing and sparking b.](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-43.jpg)
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-44.jpg)
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-45.jpg)
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-46.jpg)
![Armature Reaction Armature Reaction](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-47.jpg)
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-48.jpg)
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-49.jpg)
![Solutions to the Problems With Commutation Three approaches have been developed to correct the Solutions to the Problems With Commutation Three approaches have been developed to correct the](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-50.jpg)
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-51.jpg)
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-52.jpg)
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![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-54.jpg)
![Basic theory Basic theory](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-55.jpg)
![Ex 3. 3 Ex 3. 3](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-56.jpg)
![Ex 3. 4 Ex 3. 4](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-57.jpg)
![Ex 3. 4 b Ex 3. 4 b](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-58.jpg)
![Ex 3. 4 c Ex 3. 4 c](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-59.jpg)
![效率 與 損失 1. Copper Losses: 2. Core losses a. hysteresis loss b. eddy 效率 與 損失 1. Copper Losses: 2. Core losses a. hysteresis loss b. eddy](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-60.jpg)
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-61.jpg)
![效率 (motor) 效率 (motor)](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-62.jpg)
![Losses Generator Motor Losses Generator Motor](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-63.jpg)
![Voltage Regulation Voltage Regulation](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-64.jpg)
- Slides: 64
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-1.jpg)
![Rotational Linear Velocity Acceleration Motion Angular Velocity Angular Rotational • Linear Velocity • Acceleration Motion . Angular Velocity . Angular](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-2.jpg)
Rotational • Linear Velocity • Acceleration Motion . Angular Velocity . Angular
![Newtons Law of Rotation force applied perpendicular distance Fig 1 2 J moment Newton’s Law of Rotation (force applied) (perpendicular distance) (Fig 1 -2. ) (J: moment](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-3.jpg)
Newton’s Law of Rotation (force applied) (perpendicular distance) (Fig 1 -2. ) (J: moment of Inertia. )
![Magnetic Field 磁場 安培定律是說明電流產生磁場的基本定律 Amperes Law I Magnetic Field Intensity H Magnetic Field 磁場 安培定律是說明電流產生磁場的基本定律。 • Ampere’s Law I • Magnetic Field Intensity H](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-4.jpg)
Magnetic Field 磁場 安培定律是說明電流產生磁場的基本定律。 • Ampere’s Law I • Magnetic Field Intensity H
![Magnetic Flex Φ B Magnetic Flex Φ Magnetic Flex Density B Magnetic Flex Φ, B • Magnetic Flex Φ • Magnetic Flex Density B](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-5.jpg)
Magnetic Flex Φ, B • Magnetic Flex Φ • Magnetic Flex Density B
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-6.jpg)
![EX 1 2 given B N R find R Ф I EX 1 -2 given : B, N, R find: R, Ф, I](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-7.jpg)
EX 1 -2 given : B, N, R find: R, Ф, I
![EX 1 3 given N I R find R Ф EX 1 -3 given : N, I, R find: R, Ф](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-8.jpg)
EX 1 -3 given : N, I, R find: R, Ф
![1 6 Induced Force on a wire Motor action I 1. 6 Induced Force on a wire Motor action I](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-9.jpg)
1. 6 Induced Force on a wire Motor action I
![1 7 Induced Voltage 1. 7 Induced Voltage + _](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-10.jpg)
1. 7 Induced Voltage + _
![1 8 the Linear DC Machine Fig 1 19 1. 8 the Linear DC Machine Fig 1 -19.](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-11.jpg)
1. 8 the Linear DC Machine Fig 1 -19.
![Starting the DC Machine Starting the DC Machine](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-12.jpg)
Starting the DC Machine
![Linear DC Machine Behaves 1 At Start 2 Force 3 Accelerate 4 Reduce I Linear DC Machine Behaves: 1. At Start: 2. Force: 3. Accelerate: 4. Reduce I](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-13.jpg)
Linear DC Machine Behaves: 1. At Start: 2. Force: 3. Accelerate: 4. Reduce I : 5. Decrease F: 6. At F=0; 7. Move at a constant speed
![Linear DC Machine as a Motor is applied to the bar 1 2 3 Linear DC Machine as a Motor: is applied to the bar: 1. 2. 3.](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-14.jpg)
Linear DC Machine as a Motor: is applied to the bar: 1. 2. 3. 4. 5. Bar begins to slow down, Induced voltage drops Decrease current: Increase Until; Fig 1 -23
![Linear DC Machine as a Generator 1 Applied force right 2 Increase Velocity Linear DC Machine as a Generator 1. Applied force (right) , 2. Increase Velocity](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-15.jpg)
Linear DC Machine as a Generator 1. Applied force (right) , 2. Increase Velocity v 3. Induced Voltage 4. With 5. Current 6. Induced force 7. 8. , (Battery is charging)
![http www mpoweruk commachines htm http: //www. mpoweruk. com/machines. htm](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-16.jpg)
http: //www. mpoweruk. com/machines. htm
![DC Machine DC Machine](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-17.jpg)
DC Machine
![DC Machinery Fundamentals DC Machinery Fundamentals](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-18.jpg)
DC Machinery Fundamentals
![DC Gen DC Gen](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-19.jpg)
DC Gen
![DC AC Gen DC & AC Gen](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-20.jpg)
DC & AC Gen
![DC Generator DC Generator](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-21.jpg)
DC Generator
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-22.jpg)
![The Induce Torque The Induce Torque](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-23.jpg)
The Induce Torque
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-24.jpg)
![Structure Structure](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-25.jpg)
Structure
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-26.jpg)
![Ex 8 1 Give a Switch closed Steady state Ex 8 -1 Give: a. Switch closed Steady state:](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-27.jpg)
Ex 8 -1 Give: a. Switch closed Steady state:
![b Starting condition Noload steadystate condition b. Starting condition Noload steady-state condition](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-28.jpg)
b. Starting condition Noload steady-state condition
![C load torque is applied 1 Speed decrease 2 Rotor current C. load torque is applied ; 1. Speed decrease: …………………. 2. Rotor current: ……………](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-29.jpg)
C. load torque is applied ; 1. Speed decrease: …………………. 2. Rotor current: …………… 3. 4. until:
![Power supplied to the shaft Power out of battery Power supplied to the shaft: Power out of battery:](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-30.jpg)
Power supplied to the shaft: Power out of battery:
![d A Torque Is Applied in Direction of Motion a The rotor accelerates d. A Torque Is Applied in Direction of Motion , a. The rotor accelerates](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-31.jpg)
d. A Torque Is Applied in Direction of Motion , a. The rotor accelerates ; Speed increase
![D b c d charge D b. c. d. (charge)](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-32.jpg)
D b. c. d. (charge)
![DC machine basics換相 X X Force South pole X Angular velocity X Zero DC machine basics(換相 ) X X Force South pole X Angular velocity X Zero](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-33.jpg)
DC machine basics(換相 ) X X Force South pole X Angular velocity X Zero Force North pole
![換相 Commutation 換相 Commutation](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-34.jpg)
換相 Commutation
![Basic theory Basic theory](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-35.jpg)
Basic theory
![8 2 Commutation 2 P 折疊 波繞 8. 2 Commutation (2 P) 折疊 波繞](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-36.jpg)
8. 2 Commutation (2 P) 折疊 波繞
![Lapwound A lap winding is mplax Pitch Current path 折疊 Lap-wound A lap winding is m-plax; Pitch: Current path: 折疊](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-37.jpg)
Lap-wound A lap winding is m-plax; Pitch: Current path: 折疊
![LapWound Lap-Wound](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-38.jpg)
Lap-Wound
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-39.jpg)
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-40.jpg)
![The Wave Winding Pitch Multiplex wave C is the number of coil on the The Wave Winding Pitch: Multiplex wave C is the number of coil on the](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-41.jpg)
The Wave Winding Pitch: Multiplex wave C is the number of coil on the rotor. Current path:
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-42.jpg)
![8 4 Problems With Commutation Armature Reaction Neutralplane shift a Arcing and sparking b 8. 4 Problems With Commutation Armature Reaction Neutral-plane shift a. Arcing and sparking b.](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-43.jpg)
8. 4 Problems With Commutation Armature Reaction Neutral-plane shift a. Arcing and sparking b. Total average flux is decrease flux weakening. (8 -24 8 -25) Voltage will be induced in the …. commutation segment.
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-44.jpg)
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-45.jpg)
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-46.jpg)
![Armature Reaction Armature Reaction](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-47.jpg)
Armature Reaction
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-48.jpg)
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-49.jpg)
![Solutions to the Problems With Commutation Three approaches have been developed to correct the Solutions to the Problems With Commutation Three approaches have been developed to correct the](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-50.jpg)
Solutions to the Problems With Commutation Three approaches have been developed to correct the problems of armature reaction and voltage. 1. Brush shift(depend on load; G; M 2. Commutating poles or interpoles 3. Compensating winding )
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-51.jpg)
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-52.jpg)
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-53.jpg)
![](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-54.jpg)
![Basic theory Basic theory](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-55.jpg)
Basic theory
![Ex 3 3 Ex 3. 3](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-56.jpg)
Ex 3. 3
![Ex 3 4 Ex 3. 4](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-57.jpg)
Ex 3. 4
![Ex 3 4 b Ex 3. 4 b](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-58.jpg)
Ex 3. 4 b
![Ex 3 4 c Ex 3. 4 c](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-59.jpg)
Ex 3. 4 c
![效率 與 損失 1 Copper Losses 2 Core losses a hysteresis loss b eddy 效率 與 損失 1. Copper Losses: 2. Core losses a. hysteresis loss b. eddy](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-60.jpg)
效率 與 損失 1. Copper Losses: 2. Core losses a. hysteresis loss b. eddy current loss 3. Mechanical Losses 4. Stray Losses (Miscellaneous Losses )
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![效率 motor 效率 (motor)](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-62.jpg)
效率 (motor)
![Losses Generator Motor Losses Generator Motor](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-63.jpg)
Losses Generator Motor
![Voltage Regulation Voltage Regulation](https://slidetodoc.com/presentation_image_h/aea86db6ad33b634aa9c8b8cc0290936/image-64.jpg)
Voltage Regulation
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