JPH0678473A - Equipment for charging system interconnection type storage battery - Google Patents
Equipment for charging system interconnection type storage batteryInfo
- Publication number
- JPH0678473A JPH0678473A JP4245481A JP24548192A JPH0678473A JP H0678473 A JPH0678473 A JP H0678473A JP 4245481 A JP4245481 A JP 4245481A JP 24548192 A JP24548192 A JP 24548192A JP H0678473 A JPH0678473 A JP H0678473A
- Authority
- JP
- Japan
- Prior art keywords
- storage battery
- output
- converter
- power
- solar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は電気自動車用蓄電池等を
充電する蓄電池充電装置に関するものであり、太陽電池
と系統電源を併用し、晴天時においてはクリーンエネル
ギー源である太陽電池出力を有効に利用しようとするも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a storage battery charging device for charging a storage battery for an electric vehicle, which uses a solar battery and a system power supply together to effectively output the solar battery which is a clean energy source in fine weather. It is what you are going to use.
【０００２】[0002]
【従来の技術とその課題】従来より太陽電池により蓄電
池を充電することは、一般的に行われている。しかし、
太陽電池出力は天候に左右されるため安定でなく、予定
時間に充電完了をすることができないなど不安定な充電
を余儀なくされる欠点があった。また、太陽電池出力に
余剰がある場合にもその電力が有効に利用されていない
欠点があった。2. Description of the Related Art Conventionally, it has been a common practice to charge a storage battery with a solar cell. But,
The output of the solar cell is not stable because it depends on the weather, and there is a drawback that it is necessary to perform unstable charging, such as being unable to complete charging at the scheduled time. In addition, even if there is a surplus in the solar cell output, there is a drawback that the electric power is not used effectively.
【０００３】[0003]
【課題を解決するための手段】本発明は上述したような
従来の欠点を改良したものであり、太陽電池と該太陽電
池出力に接続された太陽電池最大出力追従制御形DC−DC
コンバータを有し、該DC−DCコンバータ出力と並列に系
統電源を入出力とする双方向コンバータを有し、上記DC
−DCコンバータの出力と双方向コンバータ出力との接続
点の後に電流検出器を設け、該電流検出器よりも出力側
に蓄電池を接続すると共に、蓄電池充電電流に比例した
電気信号により系統電源を入力とする双方向コンバータ
を制御することにより、太陽電池最大出力を蓄電池に供
給しつつ定電流にて蓄電池を充電すると共に、蓄電池充
電電力に比して太陽電池出力電力に余剰がある場合に
は、双方向コンバータを太陽電池出力に追従した最大電
力に制御を行い系統側に電力を供給することのできる系
統連系形蓄電池充電装置を提供せんとするものである。DISCLOSURE OF THE INVENTION The present invention is an improvement of the above-mentioned conventional drawbacks, and it is a DC-DC maximum output tracking control type solar cell connected to a solar cell and the output of the solar cell.
The DC-DC converter having a converter, a bidirectional converter for inputting and outputting a system power supply in parallel with the DC-DC converter output,
-A current detector is provided after the connection point between the output of the DC converter and the output of the bidirectional converter, the storage battery is connected to the output side of the current detector, and the system power supply is input by an electric signal proportional to the storage battery charging current. By controlling the bidirectional converter to charge the storage battery at a constant current while supplying the maximum output of the solar battery to the storage battery, if there is a surplus in the solar battery output power compared to the storage battery charging power, An object of the present invention is to provide a grid-connected storage battery charging device capable of controlling the bidirectional converter to the maximum electric power that follows the solar cell output and supplying the electric power to the grid side.
【０００４】[0004]
【実施例】図１は本発明蓄電池充電装置の一実施例を示
す回路図であり、１は太陽電池（以下PVと称す）、３は
DC−DCコンバータ、５はDC−DCコンバータ３等を最大出
力追従制御（以下MPPTと称す）するためのMPPT制御装
置、７はDC−DCコンバータ３を制御するための電流検出
器、９は系統電源、11は双方向コンバータである。13は
蓄電池充電電流を検出するための電流検出器であり、15
は被充電蓄電池である。FIG. 1 is a circuit diagram showing an embodiment of a storage battery charging device of the present invention, in which 1 is a solar cell (hereinafter referred to as PV) and 3 is
DC-DC converter, 5 is an MPPT controller for maximum output tracking control (hereinafter referred to as MPPT) of the DC-DC converter 3, etc., 7 is a current detector for controlling the DC-DC converter 3, and 9 is a system A power supply, 11 is a bidirectional converter. 13 is a current detector for detecting the charging current of the storage battery, 15
Is a charged storage battery.
【０００５】図２は本発明蓄電池充電装置の動作を説明
するための図であり、31は蓄電池充電電流であり電流検
出器13により検出した電流値を入力として一定充電電流
になるよう双方向コンバータ11を制御する。FIG. 2 is a diagram for explaining the operation of the storage battery charging device of the present invention. Reference numeral 31 is a storage battery charging current, which is a bidirectional converter that receives the current value detected by the current detector 13 as an input to obtain a constant charging current. Control 11
【０００６】また、32はDC−DCコンバータ３の出力特性
でありＰＶ１の出力が増大したときには、電流が増大す
る方向（図の右方向）に移動する。33は双方向コンバー
タ11の出力特性であり、蓄電池電流を一定にするためＰ
Ｖ出力の増大した分、商用側からの供給を減少させる。
また、蓄電池15の充電が終了した場合や、蓄電池がない
場合には双方向コンバータはMPPT制御装置５により制御
され、太陽電池１からとり出しうる最大電力を系統電源
９に供給する。Reference numeral 32 denotes the output characteristic of the DC-DC converter 3, and when the output of PV1 increases, the current moves in the direction in which the current increases (to the right in the figure). 33 is the output characteristic of the bidirectional converter 11, and is P to keep the storage battery current constant.
As the V output is increased, the supply from the commercial side is reduced.
When the storage battery 15 is completely charged or when there is no storage battery, the bidirectional converter is controlled by the MPPT control device 5 and supplies the maximum power that can be taken out from the solar cell 1 to the system power supply 9.
【０００７】[0007]
【発明の効果】本発明を利用することにより蓄電池充電
用太陽光発電装置の出力を有効に利用しつつ、一定時間
内に蓄電池の充電を行うことができ利用者も安心して蓄
電池の充電をすることができる。また、クリーンエネル
ギーの有効利用により地球環境保護にも大いに寄与する
ものである。EFFECTS OF THE INVENTION By utilizing the present invention, the storage battery can be charged within a certain time while the output of the storage battery charging solar power generator is effectively used, and the user can also charge the storage battery with peace of mind. be able to. In addition, the effective use of clean energy will greatly contribute to global environmental protection.
【図１】本発明蓄電池充電装置の一実施例を示す回路図FIG. 1 is a circuit diagram showing an embodiment of a storage battery charging device of the present invention.
【図２】本発明蓄電池充電装置の動作を説明するための
図FIG. 2 is a diagram for explaining the operation of the storage battery charging device of the present invention.
１ 太陽電池 ３ ＤＣ−ＤＣコンバータ ５ 最大出力追従制御装置 ７ 電流検出器 ９ 系統電源 11 双方向コンバータ 13 充電電流検出器 15 被充電蓄電池 1 Solar Cell 3 DC-DC Converter 5 Maximum Output Tracking Control Device 7 Current Detector 9 System Power Supply 11 Bidirectional Converter 13 Charging Current Detector 15 Charged Storage Battery
Claims (1)
太陽電池最大出力追従制御形DC−DCコンバータを有し、
該DC−DCコンバータ出力と並列に系統電源を入力とする
双方向コンバータを有し、上記DC−DCコンバータの出力
と双方向コンバータ出力接続点の後に電流検出器を設
け、該電流検出器主回路出力側に蓄電池を接続すると共
に、蓄電池充電電流に比例した電気信号により系統電源
を入出力とする双方向コンバータを制御することによ
り、太陽電池最大出力が蓄電池に供給されると同時に定
電流にて蓄電池が充電されるようにし、蓄電池充電電力
に比して太陽電池出力電力に余剰がある場合には双方向
コンバータを太陽電池出力に追従した最大電力に制御を
行ない、系統側に電力を供給することを特徴とする系統
連系形蓄電池充電装置。1. A solar cell and a solar cell maximum output tracking control type DC-DC converter connected to the solar cell output,
The DC-DC converter has a bidirectional converter whose input is a system power supply in parallel with the output, and a current detector is provided after the connection point between the output of the DC-DC converter and the bidirectional converter output. By connecting the storage battery to the output side and controlling the bidirectional converter that inputs and outputs the system power supply by the electric signal proportional to the storage battery charging current, the maximum output of the solar cell is supplied to the storage battery and at the same time the constant current is supplied. The storage battery is charged, and if there is a surplus in the solar battery output power compared to the storage battery charging power, the bidirectional converter is controlled to the maximum power that follows the solar battery output and power is supplied to the grid side. A grid-connected storage battery charging device characterized by the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4245481A JP2671085B2 (en) | 1992-08-20 | 1992-08-20 | Grid-connected storage battery charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4245481A JP2671085B2 (en) | 1992-08-20 | 1992-08-20 | Grid-connected storage battery charger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0678473A true JPH0678473A (en) | 1994-03-18 |
| JP2671085B2 JP2671085B2 (en) | 1997-10-29 |
Family
ID=17134305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4245481A Expired - Lifetime JP2671085B2 (en) | 1992-08-20 | 1992-08-20 | Grid-connected storage battery charger |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2671085B2 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0820139A2 (en) * | 1996-07-16 | 1998-01-21 | Asulab S.A. | Continuous power supply circuit controlled by a reversible converter |
| US7471062B2 (en) * | 2002-06-12 | 2008-12-30 | Koninklijke Philips Electronics N.V. | Wireless battery charging |
| JP2012050167A (en) * | 2010-08-24 | 2012-03-08 | Sharp Corp | Dc power supply system |
| KR101245647B1 (en) * | 2011-03-21 | 2013-03-20 | 건국대학교 산학협력단 | Rapid charging system for a battery base on a photovoltaic generation system |
| US8716892B2 (en) | 2010-03-02 | 2014-05-06 | Samsung Sdi Co., Ltd. | Energy storage system and method of controlling the same |
| US8994217B2 (en) | 2010-06-07 | 2015-03-31 | Samsung Sdi Co., Ltd. | Energy storage system |
| KR20200042869A (en) * | 2018-10-16 | 2020-04-24 | (주)에너캠프 | A smart balancing energy charge control system |
-
1992
- 1992-08-20 JP JP4245481A patent/JP2671085B2/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0820139A2 (en) * | 1996-07-16 | 1998-01-21 | Asulab S.A. | Continuous power supply circuit controlled by a reversible converter |
| FR2751484A1 (en) * | 1996-07-16 | 1998-01-23 | Asulab Sa | CONTINUOUS ELECTRICAL SUPPLY CIRCUIT CONTROLLED BY A REVERSIBLE CONVERTER |
| US5862046A (en) * | 1996-07-16 | 1999-01-19 | Asulab S.A. | Continuous electric power supply circuit regulated by a reversible converter |
| EP0820139A3 (en) * | 1996-07-16 | 1999-06-30 | Asulab S.A. | Continuous power supply circuit controlled by a reversible converter |
| US7471062B2 (en) * | 2002-06-12 | 2008-12-30 | Koninklijke Philips Electronics N.V. | Wireless battery charging |
| US8716892B2 (en) | 2010-03-02 | 2014-05-06 | Samsung Sdi Co., Ltd. | Energy storage system and method of controlling the same |
| US8994217B2 (en) | 2010-06-07 | 2015-03-31 | Samsung Sdi Co., Ltd. | Energy storage system |
| JP2012050167A (en) * | 2010-08-24 | 2012-03-08 | Sharp Corp | Dc power supply system |
| KR101245647B1 (en) * | 2011-03-21 | 2013-03-20 | 건국대학교 산학협력단 | Rapid charging system for a battery base on a photovoltaic generation system |
| KR20200042869A (en) * | 2018-10-16 | 2020-04-24 | (주)에너캠프 | A smart balancing energy charge control system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2671085B2 (en) | 1997-10-29 |
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