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Composite energy storage and reactive compensation integrated system

A composite energy storage and control system technology, applied in the field of electric power engineering, can solve problems such as intermittency and photovoltaic power generation, and achieve the effects of prolonging life, improving power supply quality, and improving energy management capabilities

Pending Publication Date: 2021-06-04
台州宏远电力设计院有限公司 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Aiming at the defects of the prior art, the present invention provides an integrated system of composite energy storage and reactive power compensation, which solves the impact of the intermittent and intermittent shortcomings of photovoltaic power generation on the distribution network, and improves the stability of the distribution network system

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  • Composite energy storage and reactive compensation integrated system
  • Composite energy storage and reactive compensation integrated system
  • Composite energy storage and reactive compensation integrated system

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Embodiment Construction

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0028] like figure 1 The integrated system of composite energy storage and reactive power compensation shown includes a control system, an inverter main circuit, an IGBT drive circuit, a signal conditioning circuit, a voltage and current measurement circuit, and a control part of the power suppl...

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Abstract

The invention discloses a composite energy storage and reactive compensation integrated system, which comprises a control system, an inverter main circuit, an IGBT driving circuit, a signal conditioning circuit, a voltage and current measuring circuit and a control part power supply circuit; the inverter main circuit comprises an IGBT inverter bridge and a filter inductor; the voltage and current measuring circuit collects the output voltage and current of an inverter and the current on the filter inductor, and transmits the collected data to the control system; the control system controls the inverter through the IGBT driving circuit; the signal conditioning circuit comprises a first-order active filter, a summing circuit, a first-order filter and a protection circuit which are connected in sequence. According to the invention, the advantages of different types of energy storage are fully exerted, multiple requirements of a high-power density distributed photovoltaic access power distribution network are met, different energy storage media can be regulated and controlled to operate in respective optimized working intervals, and the service life of an energy storage system is prolonged.

Description

technical field [0001] The invention belongs to the technical field of electric power engineering, and in particular relates to an integrated system of composite energy storage and reactive power compensation. Background technique [0002] With the rapid development of distributed photovoltaic power generation systems in the distribution network, the traditional distribution network has been transformed into an active distribution network, which has more flexible features such as demand response and load coordination control. The stable operation control of the power grid has brought about some problems, especially the problems that arise when high-power-density distributed photovoltaics are connected to the distribution network. The main problems are: [0003] (1) After the distributed power supply is connected to the distribution network, the distribution network is transformed from a single power supply to a distributed active distribution network with small and medium-si...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/32H02J3/18H02J3/24H02J3/38H02H7/00
CPCH02J3/32H02J3/18H02J3/24H02J3/381H02H7/00H02J2300/24Y02E70/30Y02E40/30Y02E10/56
Inventor 高强吴瑞春周洪青张晶李建飞藏玉清陈迪雨杨强杨迷霞
Owner 台州宏远电力设计院有限公司
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