D-Vo Light

Model

D-Vo Light

Frame size

400 ÷ 900

Technology

DIGITAL

Regulator

D-Vo Light
 

Part number

10024471

Compliance

CE
DNV / GL type approved

Main Data

Generator frame size

Standard:
all marine generators
On request:
any Marelli Motori generator from 160 frame size
 

AVR supply

Auxiliary winding
PMG
Mains

Voltage sensing

Single phase | 3-phase

Voltage remote control

Arrangement

Radio interference supressor

Arrangement for external filters

Over-exitation device

Arrangement for varicomp | PMG

Parallel operation with the mains

Internal

Parallel operation with similar generators

Arrangement

Standard protections

Field over-current,
field over-voltage,
generator over/under voltage,
generator over-current,
loss of sensing,
Diode monitoring (DMS)
 

Limiters

Under-frequency, 
over/under-excitation

Function

PC interface, 
Modbus TCP/IP, 
FRT detection, 
soft start, 
9 digital input, 
3 digital outputs, 
3 analogue inputs, 
external potentiometer

Electrical characteristics

Power supply voltage

Up to 250Vac @ 50 ÷400Hz - 1-ph/3-ph

Control power supply
24 ÷ 250 Vac @ 50 ÷ 400 Hz - 1-ph/3-ph

Power supply source

Auxiliary windings, mains, PMG

Voltage sensing type

1-phase / 3-phase

Voltage sensing range

100 ÷ 480 Vac

Current sensing type

1-phase / 3-phase

Current sensing range

1A 

Maximum continuative field current

0 ÷ 10 Adc

Maximum forcing field current

0 ÷ 20 Adc

Maximum field voltage

200 Vdc

Field resistance

3 Ω ÷ 20 Ω

Regulation accuracy from no load to full load

±0.25% of rated voltage

Steady state accuracy

±0.1 % of rated voltage

Accuracy with ±4% engine governing

±1 % of rated voltage

PF / VAR / FCR modes

PF mode: ±0.005PF(with PF between 0.9 lagging and 0.9 leading)
VAR mode: ±2% of rated power
FCR mode: ±2% of rated exciter current

Voltage matching

±2% of rated voltage

Thermal Drift

±0.5 % of rated voltage

Response time

1 cycle

Operating temperature

-30°C ÷ +70°C

Storage temperature

-40°C ÷ +80°C

Features

Interface

D-Vo Dashboard

Function

Droop compensation
Soft start
Voltage matching

 

Protection

Under-frequency limiter
Over-excitation limiter
Under-excitation limiter
Field over-voltage
Field over-current
Generator over-voltage
Generator under-voltage
Generator over-current
Loss of sensing
Diode monitoring

Control

2 current inputs (4/20mA)
1 voltage input (+/-10V)
connection to external potentiometer 100kOhm available
9 digital contact inputs (8 programmable)
3 digital outputs

Dimensions and weight

L

335 mm

B

183,5 mm

K

322 mm

J

148,5 mm

H

60 mm

Weight

3000g

File Name Size
OandM manual D-Vo Light Digital Voltage Regulator 4.87 MB Download