Electric AVR Automatic Voltage Regulator For Marathon DVR DVR2000E PLUS

Description

Electric AVR Automatic Voltage Regulator For Marathon DVR DVR2000E plus
these were pulled from machines, they were never used.
cases have minor scratches
part number: DVR2000ET
NEW / ENHANCED FUNCTIONS
New and enhanced functions are indicated in the
lists below.   Legacy DVR’s may not support new and
enhanced functions.
REGULATION MODES
Three regulation modes:
•
Single
phase
automatic
voltage
regulation
(AVR1)
•
Three
phase
automatic
voltage
regulation
(AVR3)
•
Field
current
regulation
(FCR).
FEATURES
The DVR2000E+®  has the following features:
•
Preset
stability
settings
based
on
generator
frame size
•
Adjustable
soft
start
in
AVR1
or
AVR3
regulation
modes
•
Under
frequency
(Volts/Hertz)
regulation
•
True
RMS
Three-phase
or
single-phase
generator voltage sensing
•
True
RMS
Three-phase
or
single-phase
generator
current
sensing
(optional
CT’s
required)
•
True
RMS
three-phase
power
metering
(optional
CT’s
required)
•
Field
current
sensing
•
Field
voltage
monitoring
•
Contact
inputs
for
system
interface
capability
•
Contact
output
for
fault
indication
•
Generator
paralleling
with
reactive
droop
compensation and reactive differential compensation (Enhanced)
•
Front-panel
human-machine
interface
(HMI)
for
status and configuration
•
MODBUS
protocol
via
RS232
for
external
communication (Enhanced)
•
DVRPortal™
Windows-based software for configuration and monitoring (Enhanced)
•
CAN
interface
with
CAN
2.0B
J1939
protocol
for
metering and control (Enhanced)
•
“Power
on”
LED
indicator
•
Configurable
auxiliary
input
for
metering
and
control (Enhanced)
•
Simulated
reactive
power
for
droop
set-up
(New)
•
Generator
power
limiting
mode
(New)
PROTECTION
The DVR2000E+®
has the following protection features:
•
Field
Over
Excitation
Shutdown
•
Field
Under
Excitation
Shutdown
(New)
•
Generator
Over
Voltage
Shutdown
(Enhanced)
•
Generator
Under
Voltage
Shutdown
•
Generator
Voltage
Imbalance
Shutdown
(Enhanced)
•
Loss
of
Generator
Sensing
Shutdown
•
Instantaneous
Field
Over
Current
Shutdown
•
Regulator
Over
Temperature
Shutdown
•
Generator
Reverse
Power
Shutdown
(Enhanced)
(New)
•
Field
Current
Limiting
Alarm
(Enhanced)
•
Generator
Under
Frequency
Alarm
•
Generator
Power
Limit
Alarm
(New)
•
Loss
of
CAN
Communication
Alarm
(Enhanced)