D-Vo Light Digital Voltage Regulator
336Pages

D-Vo Light Digital Voltage Regulator

D-Vo Light – Marelli Motori First release Graphic changes Changes in Chapter 3 - “Technical Data”: removed voltage build-up parameter, added warning regarding USB cable connection

D-Vo Light – Marelli Motori D-Vo Light User manual

D-Vo Light – Marelli Motori D-Vo Light User manual

D-Vo Light – Marelli Motori

D-Vo Light – Marelli Motori 1. INTRODUCTION The D-Vo User Manual provides general information about the installation and use of the D-Vo series regulators, mounted on generators manufactured by Marelli Motori. Before starting the generator and performing any kind of operation on the regulator, carefully and thoroughly read the instructions contained in this document. IMPORTANT NOTE: the User Manual is not intended to cover all the possible application or installation variants, nor to provide data and information regarding all possible circumstances. The wiring diagrams supplied along with...

D-Vo Light – Marelli Motori 2. SAFETY CAUTIONS The following paragraphs describe the safety instructions that must be followed during the installation, commissioning and maintenance of D-Vo. Carefully read all the instructions before performing any operation on the device, and keep this manual for future reference. It is the responsibility of the end User to make sure that everyone involved in the installation and/or commissioning of D-Vo: • has received training, information and qualifications regarding the electrical risks and the specific risks associated with the electrical machines and...

D-Vo Light – Marelli Motori 3. TECHNICAL DATA POWER SUPPLY Source Connection AC rated voltage (sinusoidal) Maximum AC voltage (sinusoidal) Frequency DC supply voltage Maximum DC voltage Maximum peak voltage (non-sinusoidal) Shunt, Auxiliary Winding, Permanent Magnet Generator PMG, separate AC or DC source Single-phase or three-phase Up to 250Vac 300Vac 50 ~ 400Hz Up to 300Vdc 420Vdc 420V peak AUXILIARY SUPPLY Connection Rated 3-phase AC voltage (sin) Rated 1-phase AC voltage (sin) Maximum AC voltage (sinusoidal) Frequency DC supply voltage Maximum DC voltage Maximum peak voltage...

D-Vo Light – Marelli Motori CURRENT SENSING Number of input channels Connection Measured current Maximum current Frequency 3 (phases U, V, W) 1 phase or 3 phases Up to 1Aac 5Aac 50/60Hz REGULATION ACCURACY Voltage Regulation AVR Accuracy from no load to full load Steady state stability Temperature drift V/Hz: voltage error Response time AVR Field Current Regulation FCR Regulation accuracy Power Factor Regulation PF Regulation accuracy Reactive Power Regulation VAR Regulation accuracy Voltage Matching Regulation accuracy ANALOGUE INPUTS Analogue inputs E1+/E1- and E2+/E2Maximum range Input...

D-Vo Light – Marelli Motori DIGITAL INPUTS Number of inputs Input type Breakdown voltage Maximum cable length DIGITAL OUTPUTS Number of outputs Rated data 9 (8 software-programmable, 1 fixed for alarm RESET) Dry contacts 12V 20m Maximum switched current Maximum switched power Maximum cable length INTERFACES USB Maximum cable length USB version 3m (EMI in the environment can affect / reduce this value) 1.0, 2.0 AMBIENT Operating temperature Storage temperature Humidity Maximum switched voltage AMBIENT TESTS Cold Dry heat Damp heat cyclic VIBRATIONS Vibration test Shock and bump

D-Vo Light – Marelli Motori EMC ELECTROMAGNETIC COMPATIBILITY EN 61000-6-4:2007 + A1:2011 EN IEC 61000-3-2:2019 EN 61000-3-3:2013 + A1:2019 EN 61000-6-2:2005 + AC:2005 CISPR 32:2015 EN 55032:2015 + /AC:2016 IEC 61000-4-2:2008 EN 61000-4-2:2009 IEC 61000-4-3:2006 + AMD1:2007 + AMD2:2010 EN 61000-4-3:2006 + /A1:2008 + /A2:2010 Reference standards DNV TYPE APPROVAL Product covered Standards Certificate number Electrical control system for installation on all vessels classed by DNV GL DNVGL-CG-0339 TAA00002R9

D-Vo Light – Marelli Motori MECHANICAL DATA Weight Dimensions (L x W x H) Fastening screw WIRING SPECIFICATIONS Cables for fixed connectors (power and voltage sensing terminals, Chapter 4) 1.5 ~ 4.0mm2 solid/stranded / AWG 10 ~ 24 Cable section solid/stranded Stripping length 9~10mm Cables for removable connectors (current sensing terminals, digital inputs/outputs, analogue outputs, Chapter 4) 0.2 ~ 2.5mm2 solid/stranded / AWG 12 ~ 26 Cable section stranded, 26 solid Stripping length 10mm Recommended minimum cable section On-board installation 1.5mm2 / AWG 15 External installation (distance...

D-Vo Light – Marelli Motori 4. TERMINALS AND INTERFACES The D-Vo terminals consist of spring-cage terminals and are divided by input type. DESCRIPTION Power and auxiliary supply, excitation output Voltage measurements Current measurements Analogue inputs Digital inputs Digital outputs State LEDs USB port

D-Vo Light – Marelli Motori POWER AND AUXILIARY SUPPLY, EXCITATION OUTPUT 4.1.1. Power supply Generator exciter power supply terminals. LABEL P1 P2 P3 DESCRIPTION Power input 1 Power input 2 Power input 3 Connections Supply from mains terminals (single-phase AC) NOTE: the PT transformer is required if the phase-neutral voltage is > 250Vac Supply from auxiliary winding (single-phase AC) AUXILIARY WINDING

D-Vo Light – Marelli Motori Supply from PMG (single-phase or three-phase AC) WARNING: IF USING THE DE-EXCITATION CONTACT insert in series to each of the inputs in use a 1Ω - 200W resistor to limit the Inrush current. RES HSC2001R0J (1OHM 200W): P/N: 10027363 Supply from separate source (single-phase or three-phase AC, DC) 4.1.2. Auxiliary supply Terminals for the supply of power to the board and to its components. LABEL X1 X2 X3 DESCRIPTION Auxiliary supply input 1 Auxiliary supply input 2 Auxiliary supply input 3

D-Vo Light – Marelli Motori Auxiliary supply separate from the power supply: (single-phase or three-phase AC, DC) Auxiliary supply shunted from the power supply (single-phase or three-phase AC) 4.1.3. Excitation output Output terminals to the generator exciter. LABEL Exciter output - Connection to exciter stator