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INNEHÅLLSFÖRTECKNING
KAP. 9. SYNKRONMASKINER
Sid.
A. Grundprinciper................................................................................................................................1
1. Växelströmsgenerering..............................................................................................................1
2. Enfasgeneratorn........................................................................................................................5
3. Trefasgeneratorn........................................................................................................................8
B. Synkrongeneratorns driftegenskaper..........................................................................................11
1. Tomgång....................................................................................................................................11
2. Belastning..................................................................................................................................13
3. Kortslutning..............................................................................................................................20
4. Förluster och verkningsgrad..................................................................................................22
C. Kraftverksgeneratorns konstruktion..........................................................................................23
1. Stator.........................................................................................................23
2. Rotor..........................................................................................................................................34
3. Magnetiseringsmaskin..............................................................................................................37
4. Lager..........................................................................................................................................38
5. Kylning......................................................................................................................................40
D. Säkerhetsanordningar....................................................................................................................42
1. Eldsläckning..............................................................................................................................42
2. Temperaturövervakning..........................................................................................................43
E. Revision..........................................................................................................................................44
F. Spänningsreglering........................................................................................................................45
1. Snabbregulatorer......................................................................................................................45
2. Kompoundering........................................................................................................................53
G. Synkronmaskinens maximieffekt................................................................................................54
H. Synkronmaskinens vektordiagram..............................................................................................56
I. Synkronmotorn och autosynkronmotorn. Faskompensering med synkronkondensator. . 61
1. Synkronmaskinens egenskaper som motor..........................................................................61
2. Synkronmotorns konstruktion och startning......................................................................63
3. Autosynkronmotorn..................................................................................................................65
4. Faskompensering......................................................................................................................66
K. Fasning............................................................................................................................................67
1. Förutsättningar för fasning....................................................................................................67
2. Mörk fasning..............................................................................................................................69
3. Ljus fasning..............................................................................................................................70
4. Jämförelse mellan mörk och ljus fasning..........................................................................71
5. Roterande fasning....................................................................................................................71
6. Fasning med nollvoltmeter....................................................................................................72
7. Synkronoskop............................................................................................................................72
8. Fasningsdon..............................................................................................................................73
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