Intended Use; Introduction; Control Of Id Plate; Operating Principle And Characteristics Of Voltage Regulation System - Sincro SK315 Serie Manual De Uso Y Mantenimiento

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);
- e nergy 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.
GENERATOR LABEL POSITION
The Sincro Technical Office is always available for
any clarification.
4. OPERATING PRINCIPLE AND
CHARACTERISTICS OF VOLTAGE
REGULATION SYSTEM
The AVR (Automatic Voltage Regulator) of SK400/450-
SK500 series, is supplied by a permanent magnet
generator (PMG); meanwhile the AVR of SK315/355
is supplied by the auxiliary winding (or with PMG as
option on request). AVR acts on the exciter stator,
directly controlling the field generated by the main rotor
by means of the sequence exciter rotor - diode bridge
- main rotor. The digital voltage regulator controls and
keeps constant the average voltage of all three phases.
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.
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