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. Transformer Connections
    2. Transformer Kapp diagram
  3. ELECTROMECHANICAL ENERGY CONVERSION
    1. Reluctance torque
  4. DC MACHINES
    1. DC motor winding
    2. DC generator separat. exited - Load curve u=f(j), i=const.
    3. DC generator separat. exited - External curve u=f(i) j=const
    4. DC generator separat. exited - Regul. curve j=f(i) u=const
    5. DC generator separat. exited - S. C. curve i=f(j) u=0
    6. DC generator shunt exited - External curve u=f(i) j=const
    7. DC generator series exited - External curve u=f(i) j=i
    8. DC generator with compound excitation - External curve
    9. DC motor separate exited
    10. DC motor series exited
  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. IM mechanical characteristic
    7. IM Kloss Equation
    8. IM circle diagrame
    9. IM circle diagrame 2
    10. IM 12wire low/hight voltage wye/delta conection
  6. SYNHRONOUS MACHINES
    1. Synchronous generator cylindrical rotor - vector diagram
    2. Synchronous generator salient pole - vector diagram
    3. Synchronous motor cylindrical rotor - vector diagram
    4. Synchronous motor salient pole - vector diagram
    5. Synchronous machine - Potier diagram
    6. Synchronous machine - Swedish diagram
    7. Synchronous machine - American diagram
    8. Copy of Synchronous generator - drop voltage
    9. Synchronous machine - PQ diagram TG with slider
    10. Synchronous machine - PQ diagram HG
    11. Synchronous machines cylindrical rotor P and Q
    12. Synchronous machines salient rotor P and Q
    13. Synchronous machine - Synchronization
    14. V curves of synchronous machines
    15. 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. Motor Efficiency plot T=f(w)
    2. Motor Efficiency plots eta=f(P)
    3. 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. Transformer Connections
  • 2. Transformer Kapp diagram

2.1.

Transformer Connections

– Miroslav Bjekić

2.2.

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3.

ELECTROMECHANICAL ENERGY CONVERSION

  • 1. Reluctance torque

3.1.

Reluctance torque

– Miroslav Bjekić

4.

DC MACHINES

  • 1. DC motor winding
  • 2. DC generator separat. exited - Load curve u=f(j), i=const.
  • 3. DC generator separat. exited - External curve u=f(i) j=const
  • 4. DC generator separat. exited - Regul. curve j=f(i) u=const
  • 5. DC generator separat. exited - S. C. curve i=f(j) u=0
  • 6. DC generator shunt exited - External curve u=f(i) j=const
  • 7. DC generator series exited - External curve u=f(i) j=i
  • 8. DC generator with compound excitation - External curve
  • 9. DC motor separate exited
  • 10. DC motor series exited

4.1.

DC motor winding

– 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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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. IM mechanical characteristic
  • 7. IM Kloss Equation
  • 8. IM circle diagrame
  • 9. IM circle diagrame 2
  • 10. 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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6.

SYNHRONOUS MACHINES

  • 1. Synchronous generator cylindrical rotor - vector diagram
  • 2. Synchronous generator salient pole - vector diagram
  • 3. Synchronous motor cylindrical rotor - vector diagram
  • 4. Synchronous motor salient pole - vector diagram
  • 5. Synchronous machine - Potier diagram
  • 6. Synchronous machine - Swedish diagram
  • 7. Synchronous machine - American diagram
  • 8. Copy of Synchronous generator - drop voltage
  • 9. Synchronous machine - PQ diagram TG with slider
  • 10. Synchronous machine - PQ diagram HG
  • 11. Synchronous machines cylindrical rotor P and Q
  • 12. Synchronous machines salient rotor P and Q
  • 13. Synchronous machine - Synchronization
  • 14. V curves of synchronous machines
  • 15. 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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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. Motor Efficiency plot T=f(w)
  • 2. Motor Efficiency plots eta=f(P)
  • 3. Duty types IEC 60034-1

8.1.

Motor Efficiency plot T=f(w)

– Miroslav Bjekić

8.2.

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8.3.

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