Modular combined wind-light-diesel combined power supply system

Abstract

The invention relates to a modular combined wind-light-diesel combined power supply system, which is characterized by comprising a generating unit, an energy storing unit, a direct-current control unit and an alternating-current control unit, wherein the generating unit, the direct-current control unit and the alternating-current control unit are connected in series; the output end of the direct-current control unit is connected with the energy storing unit; the input end of the alternating-current control unit is connected with the energy storing unit; the output end of alternating-current control unit is connected with a user load; and the generating unit comprises a wind driven generator, a photovoltaic matrix and / or a diesel generating set. The modular combined wind-light-diesel combined power supply system can adapt to installation and usage by users of different current utilization scales and different wind-light resource conditions, is suitable for plant batch production and quality control, is convenient for product allocation, maintenance, management and intensive training of personnel, and has the characteristics of flexible configuration, convenience for expanding volume, high reliability, high maintaining interchangeability, and the like.

Description

technical field [0001] The invention belongs to a power supply system in the technical field of renewable energy utilization, and in particular relates to a modularized combined power supply system of wind and diesel fuel. Background technique [0002] At present, the off-grid wind-solar hybrid power generation system is mainly composed of power generation equipment, energy storage equipment, control equipment and inverter equipment. The selection and configuration of each equipment are designed according to the needs of users. On the power generation side, each type of power generation equipment is equipped with a corresponding control device, which has various types and different control parameters, and each type of controller has a single function and cannot be interchanged; on the power consumption side, an integral inverter with fixed capacity is mostly used , the original equipment needs to be discarded when expanding the capacity; if the inverter equipment fails, the ...

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Problems solved by technology

[0003] Aiming at the problems existing in the prior art, such as inconvenient capacity expansion, poor reliability and maintenance interchangeability caused by various types of control equipment and fixed inverter capacity, the technical problem to be solved by the present invention is to provide a flexible configuration and convenient capacity expansion As well as a modular combined wind and diesel combined power supply system with good reliability and maintenance interchangeability

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