D-Vo

Model: D-Vo
Frame size: 400 ÷ 900
Technology: DIGITAL
Regulator: D-Vo
Part number: 10024470
Compliance: CE / UL 
Grid code: compliant with VDE-AR-N-4110
DNV / GL type approved

Generator frame size

≥800 frame size and all HV standard generators | On request: 160 ÷ 710 frame size

AVR supply

Auxiliary winding: PMG / Mains

  • Voltage sensing
  • Single phase | 3-phase
  • Voltage remote control
  • Arrangement
  • Radio interference suppressor
  • 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: 170 ÷ 277 Vac @ 50-400 Hz

Control power supply

  • 24 ÷ 250 Vac @ 50 ÷ 400 Hz - 1-ph/3-ph
  • Power supply source: Auxiliary windings, mains, PMG
  • Voltage build-up: 6 Vac
  • 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
  • Modbus TCP/IP
  • FRT detection

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: 189,6 mm
K: 322 mm
J: 148,5 mm
H: 60 mm
Weight: 3000g

File Name Size
OandM manual D-Vo Digital Voltage Regulator 5.96 MB Download


For firmware and software downloads please click here