of CS are:
Low cost of kWh of the electric power, in comparison with tariffs
of the centralized systems;
Smaller losses during transfer of thermal energy;
of various structure gas application (the natural, casing-head
gas, the synthesized product - gas, biogas, etc.), that in turn,
allows to use CS in the most various fields of economy, industrial
production (oil-gas production industry, construction, agriculture,
sewage disposal plants, chemical industry, glass manufacture,
recycling of wide spectrum of combustible wastes, etc.)
On the way of CS application went the majority of developed countries
of Europe, such as England, Germany, Austria and others. Today the
share of the electric power, developed by CS in Europe, amounts
to about 10 %.
More and more enterprises - supporters of CS appear in Russia.
expediency of CS application.
calculation of economic efficiency of CS it is necessary to take
into account the following factors:
Operating mode of power station (the basic, reserve);
Cost of the electric power offered by the centralized systems;
Cost of combustive-lubricating materials and their deliveries;
Cost of maintenance service;
Cost and availability of output thermal energy.
of these enumerated above factors, the price of possible damage
(missed benefit, non-productive losses, negative ecological consequences,
etc.) also should be taken into account in case of approach of an
insurance case, i.e. losses, which will be carried with the consumer
during switching-off of the centralized thermal or electric energy.
This price is defined and taken into account for each concrete enterprise
or institution separately.
characteristics of CS with gas-piston, diesel, gas-turbine engines
are given in Table 1.
GPU - gas-piston units;
DU - diesel units;
GTU - gas-turbine units
JMS 320 GS Ц NLC
GTE Ц 0,9
of installed capacity of 1 KWt, ( USD )
of engine up to capital repairs, (hours)
maintenance charges, (USD)
the Table, the basic characteristics of CS with газо-piston, gas-tourbine
and diesel engines at which analysis follows are given, that in
the basic mode of operation the most economically effective are
CS with gas-piston engines. Thus, low operational expenses, the
big motor potential before capital repairs and the small fuel consumption
pay to themselves attention.
gas-piston engines satisfy to the rigid European standards on emissions
of harmful substances.
Thus cost of
of 1 kw of adjusting capacity of with western samples CS with gas-piston
engines are commensurable with russian CS with gas-turbine engines.
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