Hybrid Main principle
The diesel engines supply power back-up for the wind turbines. In periods
with sufficient wind power the diesel engine is automatically stopped
in order to save fuel. In these periods the system operates with 100%
wind penetration. The stopped diesel engine is preheated in order to facilitate
a fast startup and when needed, the diesel engine is automatically restarted.
The system uses a standard diesel engine equipped with a Low Load Unit
which reduces the fuel consumption under low load conditions and enables
the engine to run at idle running for long periods with a minimum of soot
formation.
The specially developed cooling circuit absorbs the excess heat from the
diesel engine and the surplus power from the wind turbines and makes it
available for production purposes.
The complete wind/diesel power system achieves a high efficiency as a result of maximum wind exploitation combined with optimal utilization of waste energy.
Stable running
The entire system remains extremely stable because the cooling system absorbs
the large fluctuations caused by the extreme variations in the available
wind power, the power consumption and the grid.
To further compensate for these constantly changing conditions the rotation
of the engine is stabilized. This smoothes the operation of the control
system and ensures that the engine can achieve a normal, long life.
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Main
In line with the on-going efforts of the Department of Energy (DOE) to facilitate private sector investment in missionary areas, Coastal Consortium, incorporated as 3i Powergen, Inc. was awarded as the New Power Provider (NPP) of the following electric cooperatives:
Marinduque Electric
Cooperative, Inc. (MARELCO)
Romblon Electric Cooperative,
Inc. (ROMELCO)
Tablas Island Electric
Cooperative, Inc. (TIELCO)
This project is the result of National Power Corporation Small Power Utilities Group (NPC-SPUG) objective to privatize its operations. The International Finance Corporation (IFC), serve as the Transaction Advisor of these three pilot projects of the government.
3i Powergen,Inc. is implementing the Hybrid Wind-Diesel Technology of power generation in these particular power plants.