Electrical machines - Miroslav Bjekić

Miroslav Bjekić, May 9, 2024

Electric machines

Table of Contents

  1. MAGNETIC CIRCUIT
    1. Voltage Current Power
    2. Magnetization current and components
    3. Simple DC magnetic circuit with air gap
    4. Simple AC magnetic circuit with air gap
    5. Simple PM magnetic circuit with air gap
  2. TRANSFORMATOR
    1. Open circuit and short circuit tests of transformer
    2. Transformer Kapp diagram
    3. Transformer Connections
    4. Parallel work of power transformers
  3. ELECTROMECHANICAL ENERGY CONVERSION
    1. Left and Right Hand rule
    2. Reluctance torque
  4. DC MACHINES
    1. DC Machine Separately Excited
    2. DC Machine Parallel excited
    3. DC Motor Series Excited
    4. DC generator separat. exited - Load curve u=f(j), i=const.
    5. DC generator separat. exited - External curve u=f(i) j=const
    6. DC generator separat. exited - Regul. curve j=f(i) u=const
    7. DC generator separat. exited - S. C. curve i=f(j) u=0
    8. DC generator shunt exited - External curve u=f(i) j=const
    9. DC generator series exited - External curve u=f(i) j=i
    10. DC generator with compound excitation - External curve
    11. DC motor separate exited
    12. DC motor - separately exited 2
    13. DC motor series exited
    14. DC motor series exited 2
    15. DC motor winding
  5. ASYNHRONOUS MACHINES
    1. Rotating Magnetic Field
    2. Rotating magnetic field - Double revolving field theory
    3. Rotating magnetic field - Fortescue symmetrical components
    4. Fortescue symmetrical components
    5. Rotating magnetic field - advanced
    6. AC motor winding
    7. IM mechanical characteristic
    8. IM Kloss Equation
    9. IM circle diagrame
    10. IM circle diagrame 2
    11. IM 12wire low/hight voltage wye/delta conection
  6. SYNHRONOUS MACHINES
    1. Synchronous generator cylindrical rotor - vector diagram
    2. Synchronous HG- first harmonoc of short pitch rectangular MMF
    3. Synchronous TG - first harmonoc of trapezoid MMF
    4. Synchronous motor cylindrical rotor - vector diagram
    5. Synchronous generator salient pole - vector diagram
    6. Synchronous motor salient pole - vector diagram
    7. Synchronous generator and motor cylindrical rotor - vector diagram with MMF
    8. Synchronous generator and motor salient pole - vector diagram with MMF
    9. Synchronous generator cylindrical rotor: Load curve u=f(j), i=const. lin/char
    10. Synchronous machine - Potier diagram
    11. Synchronous machine - Swedish diagram
    12. Synchronous machine - American diagram
    13. Synchronous generator - drop voltage
    14. Synchronous machine - PQ diagram TG with slider
    15. Synchronous machine - PQ diagram HG
    16. Synchronous machines cylindrical rotor P and Q
    17. Synchronous machines salient rotor P and Q
    18. Synchronous machine - Synchronization
    19. V curves of synchronous machines
    20. Short circuit of synchronous machines
  7. SPECIAL ELECTRICAL MACHINES
    1. IM q=1 or q=2 Mechanical characteristics
    2. Universal motor
    3. IM Schrage motor
  8. ELECTRIC DRIVES
    1. DC motor separate exited
    2. DC motor series exited
    3. IM mechanical characteristic
    4. IM Kloss Equation
    5. Motor Efficiency plot T=f(w)
    6. Motor Efficiency plots eta=f(P)
    7. Duty types IEC 60034-1

1.

MAGNETIC CIRCUIT

Magbnetna kola jednosmerne struje, naizmenične struje i sa stalnim magnetima

  • 1. Voltage Current Power
  • 2. Magnetization current and components
  • 3. Simple DC magnetic circuit with air gap
  • 4. Simple AC magnetic circuit with air gap
  • 5. Simple PM magnetic circuit with air gap

1.1.

Voltage Current Power

– Miroslav Bjekić

1.2.

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1.3.

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1.4.

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1.5.

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2.

TRANSFORMATOR

  • 1. Open circuit and short circuit tests of transformer
  • 2. Transformer Kapp diagram
  • 3. Transformer Connections
  • 4. Parallel work of power transformers

2.1.

Open circuit and short circuit tests of transformer

– Miroslav Bjekić

2.2.

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2.3.

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2.4.

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3.

ELECTROMECHANICAL ENERGY CONVERSION

  • 1. Left and Right Hand rule
  • 2. Reluctance torque

3.1.

Left and Right Hand rule

– Miroslav Bjekić

3.2.

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4.

DC MACHINES

  • 1. DC Machine Separately Excited
  • 2. DC Machine Parallel excited
  • 3. DC Motor Series Excited
  • 4. DC generator separat. exited - Load curve u=f(j), i=const.
  • 5. DC generator separat. exited - External curve u=f(i) j=const
  • 6. DC generator separat. exited - Regul. curve j=f(i) u=const
  • 7. DC generator separat. exited - S. C. curve i=f(j) u=0
  • 8. DC generator shunt exited - External curve u=f(i) j=const
  • 9. DC generator series exited - External curve u=f(i) j=i
  • 10. DC generator with compound excitation - External curve
  • 11. DC motor separate exited
  • 12. DC motor - separately exited 2
  • 13. DC motor series exited
  • 14. DC motor series exited 2
  • 15. DC motor winding

4.1.

DC Machine Separately Excited

– Miroslav Bjekić

4.2.

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4.3.

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4.4.

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4.5.

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4.6.

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4.7.

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4.8.

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4.9.

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4.10.

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4.11.

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4.12.

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4.13.

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4.14.

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4.15.

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5.

ASYNHRONOUS MACHINES

  • 1. Rotating Magnetic Field
  • 2. Rotating magnetic field - Double revolving field theory
  • 3. Rotating magnetic field - Fortescue symmetrical components
  • 4. Fortescue symmetrical components
  • 5. Rotating magnetic field - advanced
  • 6. AC motor winding
  • 7. IM mechanical characteristic
  • 8. IM Kloss Equation
  • 9. IM circle diagrame
  • 10. IM circle diagrame 2
  • 11. IM 12wire low/hight voltage wye/delta conection

5.1.

Rotating Magnetic Field

– Miroslav Bjekić

5.2.

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5.3.

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5.4.

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5.5.

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5.6.

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5.7.

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5.8.

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5.9.

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5.10.

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5.11.

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6.

SYNHRONOUS MACHINES

  • 1. Synchronous generator cylindrical rotor - vector diagram
  • 2. Synchronous HG- first harmonoc of short pitch rectangular MMF
  • 3. Synchronous TG - first harmonoc of trapezoid MMF
  • 4. Synchronous motor cylindrical rotor - vector diagram
  • 5. Synchronous generator salient pole - vector diagram
  • 6. Synchronous motor salient pole - vector diagram
  • 7. Synchronous generator and motor cylindrical rotor - vector diagram with MMF
  • 8. Synchronous generator and motor salient pole - vector diagram with MMF
  • 9. Synchronous generator cylindrical rotor: Load curve u=f(j), i=const. lin/char
  • 10. Synchronous machine - Potier diagram
  • 11. Synchronous machine - Swedish diagram
  • 12. Synchronous machine - American diagram
  • 13. Synchronous generator - drop voltage
  • 14. Synchronous machine - PQ diagram TG with slider
  • 15. Synchronous machine - PQ diagram HG
  • 16. Synchronous machines cylindrical rotor P and Q
  • 17. Synchronous machines salient rotor P and Q
  • 18. Synchronous machine - Synchronization
  • 19. V curves of synchronous machines
  • 20. Short circuit of synchronous machines

6.1.

Synchronous generator cylindrical rotor - vector diagram

– Miroslav Bjekić

6.2.

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6.3.

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6.4.

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6.5.

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6.6.

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6.7.

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6.8.

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6.9.

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6.10.

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6.11.

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6.12.

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6.13.

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6.14.

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6.15.

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6.16.

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6.17.

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6.18.

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6.19.

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6.20.

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7.

SPECIAL ELECTRICAL MACHINES

  • 1. IM q=1 or q=2 Mechanical characteristics
  • 2. Universal motor
  • 3. IM Schrage motor

7.1.

IM q=1 or q=2 Mechanical characteristics

– Miroslav Bjekić

7.2.

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7.3.

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8.

ELECTRIC DRIVES

  • 1. DC motor separate exited
  • 2. DC motor series exited
  • 3. IM mechanical characteristic
  • 4. IM Kloss Equation
  • 5. Motor Efficiency plot T=f(w)
  • 6. Motor Efficiency plots eta=f(P)
  • 7. Duty types IEC 60034-1

8.1.

– Miroslav Bjekić

8.2.

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8.3.

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8.4.

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8.5.

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8.6.

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8.7.

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