Decentralized power generation system

A power generation system, decentralized technology, applied in photovoltaic power generation, circuits, electrical components, etc., can solve the problems of instability, insufficient reliability of the inverter, and cannot be used for feeding, etc., to achieve long life and high reliability, simple Modularity, the effect of avoiding expensive parts
CN1902808BInactive Publication Date: 2011-10-05PHILIPS LIGHTING HOLDING BV
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
PHILIPS LIGHTING HOLDING BV
Publication Date
2011-10-05
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a decentralized power generation system comprising a plurality of decentralized power generating units (11,12;13,14). In order to enable an optimized control of these power generating units while enabling at the same time a high security in the system, a system is proposed that the system comprises a plurality of DC / DC converters (31,32), each connected to another one of the power generating units for converting a current provided by the power generating units. The proposed system moreover comprises a DC bus (40) to which the DC / DC converters feed a respectively converted current. The proposed system further comprises at least one power receiving component (20) retrieving current from the DC bus, which power receiving component is physically separated from the DC / DC converters. The invention relates equally to a corresponding method.
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Description

Technical field

[0001] The present invention relates to a decentralized power generation system including a plurality of decentralized power generation units. The invention also relates to a method of operating such a decentralized power generation system. Background technique

[0002] A decentralized power generation system in the form of a photovoltaic (PV) power plant is known, for example.

[0003] Photoelectric power is one of the most promising energy sources for renewable energy. In PV power plants, PV cells generate direct current, thereby generating a low direct current voltage of less than 1V in each cell. Therefore, multiple PV cells are usually assembled in a PV module. According to the implementation, such a PV module may have an output voltage of several tens of volts and provide power of 10W to 150W.

[0004] In some applications, for example, in a PV power plant used to feed the generated current into a utility power system, the DC provided by the PV module is fur...

Claims

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