1 institute of mechatronics and information systems synchronous machine

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1 Institute of Mechatronics and Information Systems Synchronous machine

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1

Institute of Mechatronics and Information Systems

Synchronous machine

2

Cylindrical rotor (turbo-generator)

Institute of Mechatronics and Information Systems

Synchronous machine

3

Turbo-generator stator

Institute of Mechatronics and Information Systems

Synchronous machine

4

Institute of Mechatronics and Information Systems

Synchronous machineHydro-generator (salient pole rotor)

5

Institute of Mechatronics and Information Systems

Synchronous machineSalient pole rotor (hydro-generator)

6

Institute of Mechatronics and Information Systems

Synchronous machine

7

Institute of Mechatronics and Information Systems

Synchronous motorSurface mounted permanent magnet rotor

8

Institute of Mechatronics and Information Systems

Synchronous motor rotorPermanent magnet configurations

9

Phasor graph for a cylindrical rotor

Institute of Mechatronics and Information Systems

Synchronous motor

U

I

aaRIaaXI

aaXI

eE

fE

f

ea

10

Phasor graph for a salient pole rotor

Institute of Mechatronics and Information Systems

Synchronous motor

U

I

aaRIaaXI

dE

eE

fE

f

ea

qE

11

Torque determination from a simplified phasor graph

Institute of Mechatronics and Information Systems

Synchronous motor

U

I

sinEcosXI fsa

cosUIn2

mPM

ss

saXI

fE

sinX

UEn2

mM

s

f

s

12

Torque – cylindrical rotor

Institute of Mechatronics and Information Systems

Synchronous motor

-3

-2

-1

0

1

2

3

-180 -150 -120 -90 -60 -30 0 30 60 90 120 150 180

d [°]

M/M

N [

-]

GENERATOR

MOTOR

13

Constant voltage, constant excitation, varying power

Institute of Mechatronics and Information Systems

Synchronous motor – cylindrical rotor

GENERATOR MOTOR

U

I

saXI

fE

14

Constant voltage, constant excitation, varying power

Institute of Mechatronics and Information Systems

Synchronous motor – cylindrical rotor

GENERATOR MOTOR

U

I

saXI

fE

15

Salient pole rotor – reluctance change

Institute of Mechatronics and Information Systems

Synchronous motor

GENERATOR

MOTOR

16

Torque – salient pole rotor

Institute of Mechatronics and Information Systems

Synchronous motor

-3

-2

-1

0

1

2

3

-180 -150 -120 -90 -60 -30 0 30 60 90 120 150 180

d [°]

M/M

N [

-]

GENERATOR

MOTOR

17

Constant voltage, constant excitation, varying power

Institute of Mechatronics and Information Systems

Synchronous motor – salient pole rotor

GENERATOR MOTOR

U

I

ddXIfE

UNSTABLEUNSTABLE

qqXI

dIqI

18

Power factor

Institute of Mechatronics and Information Systems

Synchronous motor

INDUCTIVE CAPACITIVE

19

V - curves

Institute of Mechatronics and Information Systems

Synchronous motor

UNSTABLE

INDUCTIVE CAPACITIVE

20

Synchronization

Institute of Mechatronics and Information Systems

Synchronous motor

21

Start-up procedures1. Auxiliary machine2. Asynchronous start-up3. Varying frequency and voltage

Institute of Mechatronics and Information Systems

Synchronous motor

22

Asynchronous start-up procedure:1. shunting the field winding with a resistor2. asynchronous start-up with reduced voltage3. switching to nominal voltage4. disconnecting the shunting resistor5. energising the field winding

Institute of Mechatronics and Information Systems

Synchronous motor

23

Institute of Mechatronics and Information Systems

Synchronous reluctance motor

24

Institute of Mechatronics and Information Systems

Synchronous reluctance motor

25

Institute of Mechatronics and Information Systems

Switched reluctance motor

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Institute of Mechatronics and Information Systems

Switched reluctance motor

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Institute of Mechatronics and Information Systems

Switched stepper motor

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Institute of Mechatronics and Information Systems

Switched stepper motor

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Institute of Mechatronics and Information Systems

Switched stepper motor

30

Institute of Mechatronics and Information Systems

Thank You for Your attention