What Are the Types of
Industrial Generators?
Industrial generators
are very different from residential models. These generators must withstand
extreme usage for extended periods in less than ideal conditions. While sizes
range from 20 kW to 2500 kW in output from 150 hp to 4000 hp engines, the types
of industrial generators also vary. You do need to select the right type to get
the maximum usage for your industrial needs.
Power Requirements
Generators are available
that provide one phase or three phase power, 120 volts or 480 volts. Industrial
applications normally call for three phase power generation or 480 volts.
Generators for multiple requirements include those that provide 120 – 208 volt
service and 277 – 480 volt service. Manufacturers of industrial generators
include Caterpillar, Cummins, MTU, Kohler, Katolight, and Generac.
Diesel Generators
Diesel engines are noted
for durability, long-life and normally lower maintenance. A diesel engine
operating at 1800 rpm can run from 12,000 to 30,000 hours between major
maintenance services. The same gas powered engine may need major servicing
after 6,000 to 10,000 hours of operation.
Diesel fuel burns cooler than gasoline reducing the heat, and the wear, on the engine. Power produced from diesel generators can also be lower in cost through the increased efficiency, higher energy density, of diesel fuel. While diesel was formally a “dirty” fuel, improvements in engine technology have reduced diesel emissions. Blends of up to 20% biodiesel can normally be used safely in regular diesel engines.
Natural Gas Generators
Natural gas generators
use propane or liquefied petroleum gas. Natural gas offers the advantage of
easy storage in below or above ground tanks. It is also a clean burning fuel,
reducing problems with emissions. Generators that run on natural gas are
durable but they can be more expensive in initial purchase.
While natural gas is
often less expensive than other fuels, it must be trucked to your facility,
which can increase the operating costs. A natural gas generator has a lower
output than a similar sized diesel generator. You may need to move up a size to
get the same results. Natural gas generators are an excellent choice for
technology providers as a backup power source.
Petroleum
Gasoline powered
generators usually have a lower purchase price. While gas generators can run
for long periods, they do require maintenance that is more extensive. The
gasoline deteriorates rubber components causing the engine to wear faster.
Gasoline storage is more difficult due to a higher potential for fire or
explosion. In addition, the gasoline itself deteriorates making long-term
storage a less than ideal choice. Gasoline generators are not the best choice
for larger industrial applications.
Portable Industrial
Generators
Portable industrial
generators are trailer-mounted versions, not the type that you can simply pull
behind you as you walk. Large portable generators make an excellent choice for
use on construction sites before an electrical supply is established. These are
also frequently used by emergency responders when a large amount of power is
needed on location.
Marine Generators
Commercial or industrial
grade marine generators are designed to withstand rugged environmental
conditions. Caterpillar, Kohler and Cummins are three of the manufacturers that
build marine specific generators. This type of generator is required for use near
salt water and recommended for large vessels or oil rigs. While marine
generators are available as gas or diesel powered, diesel is the choice for
industrial use.
Heavy Fuel Oil
Generators
Heavy fuel oil
generators offer significant fuel savings over the cost of diesel fuel. The
overall generator size can often be smaller due to the use of a small higher
speed engine. Wartsila is one manufacturer of heavy fuel oil generators. This
fuel comes under the category of number 5 or 6 fuel oil and the availability of
heavy fuel oil must be considered when selecting this type of generator.
Jiangsu Starlight
Electricity Equipments Co.,Ltd. is a professional manufacturer of diesel
generator set in China, can provide 20kw to 2500kw different types of diesel
gensets. If you are looking for a reliable diesel generator factory, please
contact us by email: sales@dieselgeneratortech.com. Tel: (+86)13481024441.
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