Wind-Hybrid Systems
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Hybrid systems use a variety of technologies assembled in a diversity of architectures and it is difficult to provide an exhaustive list. The references given at the end of this section provide further details.
A hybrid system has two distinctive characteristics:
- it uses at least two production technologies (e.g.: wind-diesel, wind-hydraulic, wind -PV-diesel) and
- its specific complexity in terms of managing input is, in many ways, identical to that of a traditional power grid.
A hybrid system must:
1) provide subscribers with a sufficient electrical supply of a determined quantity at all times,
2) comply with real time operating standards based on the economic prioritization of available energy,
3) rely on the automated management of the system's components in order to guarantee the stability of the system at all times, including during the transitions between the different modes of operation. (e.g.: in a wind-diesel system, depending on the wind quality, there are three modes of supplying the local network: wind only, diesel only and wind-diesel).
Mathematically speaking, technologies may be combined to create hybrids in a multitude of ways. Economically speaking, some hybrids are of greater interest than others. In the following pages, we will focus in particular on two categories of hybrid applications:
- stand-alone networks with a wind-diesel example, and
- specialized applications with a wind-PV example.
Modified: 02-19-2008
