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Comprehensive Solutions
Integrated Electrical Systems and I&C Solutions
Excitation Systems
Exitation system
Unit protection
Synchronization
Power grid
x
Unit switchgear
SPPA-E3000 Electrical Solutions
E4
/ R. Schumann /
Pa
V1.9
Excitation System
Tasks and Structure
Supply of DC excitation current to rotor winding of generator
Control of DC excitation current such that generator voltage is maintained constant within
the set tolerances (Automatic Voltage Regulator AVR)
Excitation systems
for
generators with exciters
Excitation systems
for
static excitation
EM
G
HEM
E4
/ R. Schumann /
Pa
V1.9
Generator rating
Excitation systems
for
generators
with exciters
0,01
0,1
10
100
1000 MVA
SIPOL
RG3-S7
RG3-T4
THYRISIEM
Excitation systems
for
load-dependent
static excitation
THYRIPART
THYRIPOL-L
Excitation systems
for
THYRIPOL
static excitation
E4
/ R. Schumann /
Pa
V1.9
SIPOL System
Open- and
closedloop controls
EM
HEM
Mounting plate
dimensions:
580x600x350 mm
E4
/ R. Schumann /
Pa
V1.9
Open- and
closedloop controls
Automatic synchronizer:
Bumpless and fully automatic synchronization by means of
RAISE/LOWER pulses to generator or voltage regulator
EM
HEM
E4
/ R. Schumann /
Pa
V1.9
RG3-S7 System
RG3-T4 System
Siemens Power Generation 2005. All Rights Reserved
EM
E4
/ R. Schumann /
Pa
V1.9
THYRISIEM System
Open- and
closedloop controls
EM
HEM
E4
/ R. Schumann /
Pa
V1.9
THYRIPART System
Siemens Power Generation 2005. All Rights Reserved
E4
/ R. Schumann /
Pa
V1.9
E4
/ R. Schumann /
Pa
V1.9
10
System THYRIPOL
Fast response time for excitation current control and automatic voltage regulation AVR
Self-monitoring
Excitation Systems
Highlights
E4
/ R. Schumann /
Pa
V1.9
11