WHAT IS A GENSET?
At its simplest, a
generator set or “genset” is a piece of portable equipment, consisting of an
engine and an alternator/electric generator, used to provide energy. Gensets
are often used in developing areas and other areas not connected to the power
grid; places where power outages are frequent; and/or where an outage can cause
especially significant or dangerous problems, such as deep in a mine. They can
serve as the main source of energy or as a supplementary power source, perhaps
during peak usage hours.
HOW
DOES A GENSET WORK?
A genset is a
combination of a prime mover, (typically an engine), and an alternator. An engine converts the chemical energy of a
fuel to mechanical energy. That
mechanical energy is used to spin the alternator rotor; converting mechanical
energy to electrical energy. An
alternator is made of two main parts; a rotor and stator. Spinning the alternator rotor through the
magnetic field between the rotor and stator creates a voltage on the alternator
stator, through the phenomenon of electromagnetic induction. When the voltage on the stator is connected
to a load, electrical current flows, and the generator produces power.
In sum, the genset
creates portable sources of energy. When the generator is used in conjunction
with a diesel engine, as just one example, this creates a diesel genset.
ADDITIONAL
ELEMENTS OF A GENSET
A genset is usually
housed in a sound attenuated enclosure to reduce noise to the surrounding
areas, and is typically made of steel or stainless steel, or aluminum. This cabin
must be able to withstand corrosion and effectively manage the engine cooling
process. The baseframe contains an anti-vibration system; it may also contain
the fuel tank or the tank may be separate. Other elements include a control
panel and an automatic transfer switch in case energy needs to be alternated
between the main source and an auxiliary one.
BENEFITS
OF A GENSET
Benefits of a
well-built, industrial-quality genset are numerous, including:
Reliability
Fuel efficiency
Scalable design
Robust construction
Automatic or manual
paralleling
Automatic loading
control
Local or remote
operation
Low emissions
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