UNITOL 1000

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ABB Unitrol 6080
Excitation
Voltage
Regulator Circuit
Unitrol 1000 User
s Manual e3
High-Speed
Analog-to-Digital
0
UNITROLUNITROL
®®
10001000
Compact Automatic Voltage Regulator forCompact Automatic Voltage Regulator for
small synchronous machinessmall synchronous machines
UNITROLUNITROL
®®
1000-15 and UNITROL1000-15 and UNITROL
®®
1000-401000-40
Copyright © 2000 Photodisc, Inc.Copyright © 2000 Photodisc, Inc.

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ABB Unitrol 6080
Excitation
Voltage
Regulator Circuit
Unitrol 1000 User
s Manual e3
High-Speed
Analog-to-Digital
0
S
M
=
SM
E
PMG
SM
E
Batt.
The UNITR
OL
®
1000-15 is an Automatic Voltage Regulator o the latest design or synchronous
generators and synchronous motors. The implementation o the
most advanced microprocessor
technology together with IGBT semicondu
ctors enables it to be used in
a wide range o applications.
The maxi
mum output
curren
t is
15 A an
d the
power in
put can
be rom
an AC
or DC s
ource.
UNITROL
®
1000-15
Covers
a
wide
application
range
Shunt excitation with optional short
circuit support
Replacement of voltage regulators for generators with direct-
current exciter machines with UNITROL 1000-40. A
solution for modernization of
older mechanical or analog
voltage regulators.
The UNITROL 1000-PM40 is a microprocessor controlled chopper
type power stage with IGBT semiconductors. It is connected to
a UNITROL 1000-15 AVR by a CAN bus. This combination called
UNITROL
1000-40
covers a eld current range up to 40 A.
LEDs (Light Emitting Diodes) on the ront plate o the UNITROL
1000-PM40 provide the most important status inormation
UNITROL 1000-PM40
The UNITROL 1000-15 has all the elements o
excitation control built inside. A powerul signal
processor running extensive control sotware
guarantees excellent perormance under all
conditions. The chopper type power stage, which
can be supplied rom an AC or DC power source,
enables the use in varied applications. The ront
panel serves or easy monitoring and conguring.
The robust mechanical design guarantees a high
reliability. The applications shown here are
typical examples.
Compact design
Redundant voltage regulator with Permanent Magnet
Generator (PMG) supply
CAN bus

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ABB Unitrol 6080
Excitation
Voltage
Regulator Circuit
Unitrol 1000 User
s Manual e3
High-Speed
Analog-to-Digital
0
Standard functions (BASIC)
•
V
oltageregulator
withPIDcontro
lalgorithm
•
Co
s
ϕ
regulator with PID control algorithm
•
Reactiv
epower
regulator
withPID
controlal
gorithm
•
Excitati
oncurrent
regulator
(manualc
ontrol)w
ithPI
control algorithm
•
Openloop
control
ofoutput
voltagef
ortestp
urpose
•
Internaldi
gitalre
ference
values
•
Bumple
sschangeov
erfora
llmodes
ofoperat
ion
•
Soft-star
tfunctio
n
•
Reactiv
ecurre
ntdroopfo
rnetwork
operati
on
•
V
olts-per-Hertzlimiter
•
Minimum
excitati
oncurre
ntlimit
er
•
Three-stepdelayedmaximum
excitationcurrent
limite
r
(temper
ature dependent)
•
Reactivecurrentlimiterasafunctionofactive
power (P/Q)
•
Statorvo
ltageli
miter
•
Statorcu
rrentli
miter(t
emperatu
redepend
ent)
•
Reactiv
epower
sharingbe
tweenpar
allelm
achinesby
RS485bus
•Voltagematchingpriortosynchronizing
•StandardModbusRTUinterfaceonRS
232a
ndR
S
485
•
Undervol
tagedete
ctiontoac
tivatee
xternalcu
rrent
boost or short circuit support (compounding)
•
Built-i
nstepte
stfuncti
on
•
Alarmand
Trip
signals
UNITROL
®
1000-15
Performance
feature
s
The hig
hly efc
ient s
otware
o the
UNITROL
1000 ulfl
ls al
l requ
iremen
ts or
the sta
ble and
operation o your synchronous machine.
Inputs and outputs
The UNITROL 1000-15 is equipped with
fexible interaces:
•
4digital
inputs
•
4digital
outputs(
orinputs)
•
3analogi
nputs
•
2analogou
tputs
The our digital outputs can be individually
redened as digital inputs.
AnRS
232 serial interace is used or PC
The inputs and outputs are all located at the
bottom of the unit
Optional functions
•
Automatic
synchroni
zing
•
Synchroche
ckfunct
ion
•
Monitori
ngofrotat
ingdiodes
•
PowerSyst
emStabil
izer
,accord
ingto
IEEEPSS2A/2B
•
Enhancedmon
itoringf
unctionsf
or
redundantsystem,likePTmonitoring
•
Setpoint
followi
ngbasedonC
ANfor
redundant systems
•
Stand-bymod
eforre
dundantback
channel system

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ABB Unitrol 6080
Excitation
Voltage
Regulator Circuit
Unitrol 1000 User
s Manual e3
High-Speed
Analog-to-Digital
0
UNITROL
®
1000-15
Human
Machine
Interface
A pract
ical an
d simpl
e-to-opera
te panel
on the
unit en
ables e
asy acce
ss with
out a L
aptop.
A user-
riendly
sotwar
e tool
“CMT 1000”
simplif
es the
commissi
oning.
optimumsettingsarequicklyidentied.
User-friendly conguration and optimization with CMT 1000
Full operation is possible using only
four keys and an illuminated display
Example of parameter settings on the
display
CMT 1000 Oscilloscope
•
Foursigna
lscanbe
selecte
dforgrap
•
Paramete
rlesand
graphsca
nbesaved
Local operation panel
•
Congurati
onofinput
sandoutput
s
•
Selectionof
themeasuringv
alueswhichar
eshownonthedisp
•
Settingand
alterati
onofpar
ameters
•
Monitori
ngoftheo
peration
Screenshot of CMT 1000
Oscilloscope

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ABB Unitrol 6080
Excitation
Voltage
Regulator Circuit
Unitrol 1000 User
s Manual e3
High-Speed
Analog-to-Digital
0
UNITROL
®
1000 Systems
For customers who preer engineered and r
eady-to-operate solutions, we oer standard or
custom-built systems. Every system leaves our actory ully tested.
Plate with single-channel system
Compact dual-channel system on a mounting plate
Single-channel system
The single-channel solution, with all the necessary components
installed on a mounting plate, is requently used or the excitation
o smaller synchronous machines, e.g. generators that are driven by
hydro turbine or by a diesel engine. This is also a commonly used
solution or motor excitation.
Dual-channel system
A dua
l-cha
nnel
syst
em wi
th it
s 100
% redundancy is
used when there are higher requirements in terms o
reliability and security against ailure.
System installed in switchgear cabinet
A UNI
TROL
1000
volta
ge re
gula
ting
syste
m ins
talle
a switchgear cabinet is the best solution i no cabinet is
availablefortheinstallationofamountingplate.System
includesnece
ssaryperip
heralcomponent
s,likeexc
breaker,interfacerelays,transducers,MCBs,etc.