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Novel solar and diesel hybrid power generation system

A technology of solar energy and diesel engine, applied in photovoltaic power generation, electrical components, circuit devices, etc., can solve the problem of high cost of solar energy

Inactive Publication Date: 2015-09-30
SHANGHAI GFSOLAR ENERGY TECH CO LTD
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  • Application Information

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Problems solved by technology

It would be very expensive to use only solar energy

Method used

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  • Novel solar and diesel hybrid power generation system
  • Novel solar and diesel hybrid power generation system
  • Novel solar and diesel hybrid power generation system

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Embodiment Construction

[0044] The invention proposes a method and a design scheme for providing a complete set of independent power supply system by utilizing a solar energy and a diesel engine hybrid system. For schools, farms, and communication base stations in remote areas that are not connected to the grid, this paper proposes a 5KW solar and diesel hybrid power supply implementation. (The system scheme diagram is attached Figure 8 )

[0045] The basic configuration of the system is as follows:

[0046]

[0047] 1. Solar modules

[0048] The solar modules used in this system are high-efficiency polysilicon modules with a module efficiency of 14.4%. A total of 18 modules are connected into a 5KW module array and fixed on the mounting bracket. The rated voltage of the module is 35.2V, the rated current is 7.95A, and the rated power is 280W.

[0049] 2. Diesel generator

[0050] The diesel generator used in this system is an 8KVA single-phase silent diesel engine with an elec...

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Abstract

The invention provides a new energy hybrid power generation technology formed by mutually complementing a solar power generation technology with a diesel power generation technology, and composed of a storage battery (plumbic acid or lithium ferrite) energy storage technology. The new energy hybrid power generation technology provides a new energy solution for remote areas, islands and the like, and is an important alternative scheme for the existing diesel power generation scheme in some districts. According to the new energy hybrid power generation technology, solar energy is used for supplying power and charging a storage battery in case of sufficient solar energy; the storage battery provides a discharge support load in the case that the solar energy cannot be met; the capacity of the storage battery is detected, and a diesel power generator is automatically started up to supply power in the case that the capacity of the storage battery is insufficient; the diesel power generator is automatically turned off when it is detected that the capacity of the storage battery is recovered to a certain extent. The system overcomes the problems of a high use cost, a high noise pollution and the like of a pure diesel power generator, and also avoids the problems of a too high initial investment and a low system reliability in extreme weather of a pure solar power generator. The power supply system generates power mainly by virtue of the solar energy, uses the diesel for standby, and is capable of intelligently control, contravariant and management to increase energy conversion and use efficiency; the overall system provided by the invention provides a cheap and reliable energy solution.

Description

technical field [0001] The invention relates to a solar photovoltaic system product, in particular to a photovoltaic off-grid system powered by a mixture of solar energy and a diesel engine. Background technique [0002] A solar photovoltaic system is a system that converts solar energy into electrical energy using solar cell components and other auxiliary equipment. It is generally divided into independent power supply system, grid-connected power supply system and hybrid power supply system. [0003] hybrid power system [0004] In addition to using solar photovoltaic module generators in this solar photovoltaic system, a diesel engine is also used as a hybrid backup power source. The purpose of using a hybrid power supply system is to comprehensively utilize the advantages of various power generation technologies and avoid their respective disadvantages. The advantage of the solar independent photovoltaic system is less maintenance, but the disadvantage is that the ene...

Claims

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Application Information

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IPC IPC(8): H02S10/10
CPCH02J3/38H02J13/0017Y02E10/50
Inventor 不公告发明人
Owner SHANGHAI GFSOLAR ENERGY TECH CO LTD
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