Intended Use; Introduction; Control Of Id Plate; Operating Principle And Characteristics Of Voltage Regulation System - Sincro DC Série Manuel D'utilisation Et De Maintenance

2. INTENDED USE

All generators are supplied with a declaration of
incorporation in accordance with European rules and
regulations as provided in final pages of this manual.
Furthermore generators are supplied on the following
basis:
• they shall be used as power generators or for related
functions;
• they shall be used in one of the following applications:
- mobile (with or without canopy - for temporary power
supplies);
- onboard (marine use); after certification
- on commercial vehicles (freight transport / cold storage,
etc.);
- on rolling track (auxiliary power);
- on industrial vehicles (earth handling, hoisting, etc.);
- stationary installation (industrial, factory / plant);
- stationary installation (residential, commercial and light
industry, house / office / hospital);
- energy management (cogeneration, peaks shaving);
- alternative energy schemes;
• the standard generators are designed to satisfy
"industrial" electromagnetic emission limits and immunity
standards. In the event that generators have to comply
with electromagnetic emission limitations for residential,
commercial and light industrial zones, some additional
accessories may be necessary;
• the installation wiring diagram requires that the generator
housing is connected to the earth conductor, using an
adequately sized cable with a minimum length possible;
• the use of any spare parts that are not genuine or
not expressly authorised shall free Sincro from any
warranty liability and any responsibility concerning
conformity to regulations and relevant consequences;
• installation, aftersales assistance and maintenance must
be carried out by properly trained staff with a knowledge
of the provisions of EC directives.

3. INTRODUCTION

On delivery inspect the generator to check it has not been
damaged during transport or that no parts are missing.

3.1 Control of ID plate

The generators can be identified by their ID plate. The
ID plate must be checked and compared with order
specifications.
The Sincro Technical Office is always available for any
clarification.
4. OPERATING PRINCIPLE AND
CHARACTERISTICS OF VOLTAGE
REGULATION SYSTEM
The DBC1 AVR (Automatic Voltage Regulator) of DC
series, is supplied by the auxiliary winding. AVR acts on the
exciter stator (or brushes), controlling the field generated.
The voltage regulator controls and keeps constant the
voltage of one phase.
A frequency control progressively deactivates the machine
when the drive engine speed drops below a pre-set,
adjustable threshold, preventing over-excitation at low
operating speeds and reducing the load engage effects on
the engine.
5. GENERAL MECHANICAL AND
ELECTRICAL SPECIFICATIONS FOR
COUPLING WITH ENGINE
As an independent unit, designed to be built into a generating
set, it is impossible to apply all the signal decals on the
generator during production. These decals, indicating
a potential hazard or risk due to live components are
supplied loose and have to be applied by the constructor
of the generating set.
This generators are designed to operate at a temperature
between -20°C and 40°C and at a maximum altitude of
1000m a.s.l.
The nominal performance indicated on the plate refers
Ambient temp. (°C) 40
1
Altitude (m) 1000
1
Power factor 1
1
to operation within these temperature and altitude limits.
Contact Sincro Technical Office for operate outside
these parameters.
At temperatures over 40°C and/or altitudes above 1000m
a.s.l. a derating should be applied (see table).
For all "UL" generators, don't consider these data and
contact the Sincro Technical Office.
The generators are fitted with an air ventilation system,
protective guards and drip-proof covers; they are not
suitable for outdoor installation unless an adequate
protective shelter is provided. When under storage,
awaiting installation or in standby, it is advisable to use
anticondensation heaters to protect the windings from
damp.
In the event of installation inside a closed housing, make
sure that the cooling air temperature for the generator
does not rise above standard.
The canopy must be constructed so that the engine air
vent in the canopy is separate from the generator air vent,
especially if the air inlet in the canopy has to be supplied by
the cooling fan. What's more, the generator air vent should
be constructed to prevent damp from entering by fitting
suitable protections. The canopy should be designed so
that there is a minimum clearance of 50mm between the
generator air vent and any flat surface.
The space around the air exit protection grid must be free.
45 50 55 -
0,96 0,92 0,88 -
1500 2000 2500 3000
0,96 0,93 0,90 0,86
0,8 0,7 0,6 0,5
1 0,93 0,88 0,84
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