JP2002078237A - Power-storing device - Google Patents
Power-storing deviceInfo
- Publication number
- JP2002078237A JP2002078237A JP2000251507A JP2000251507A JP2002078237A JP 2002078237 A JP2002078237 A JP 2002078237A JP 2000251507 A JP2000251507 A JP 2000251507A JP 2000251507 A JP2000251507 A JP 2000251507A JP 2002078237 A JP2002078237 A JP 2002078237A
- Authority
- JP
- Japan
- Prior art keywords
- power
- power storage
- stored
- commercial
- unit
- 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.)
- Pending
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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Landscapes
- Stand-By Power Supply Arrangements (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、電力貯蔵装置に
おいて複数の電力貯蔵部を有し、それぞれの電力貯蔵部
から１日毎に順番に電力を供給して貯蔵電力の平準化を
行うとともに、長時間停電に対応できる電力貯蔵装置に
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric power storage apparatus having a plurality of electric power storage units. The present invention relates to a power storage device that can cope with a time outage.
【０００２】[0002]
【従来の技術】従来の電力貯蔵装置は、夜間等の電力需
要の少ない時間帯に商用電源から電力を貯蔵し、電力需
要が増大する昼間に放電して使用するようになってい
る。2. Description of the Related Art A conventional power storage device stores power from a commercial power supply during a time period when power demand is low, such as at night, and discharges it during daytime when power demand increases.
【０００３】[0003]
【発明が解決しようとする課題】ところが上述の方法に
よる電力貯蔵装置では、通常、停電時のバックアップは
行わず、希に停電時にバックアップを行う電力貯蔵装置
もあるが、電力貯蔵部は共通でありバックアップ時間は
数時間にすぎないので長時間の停電には対応できず、充
分なバックアップ性能が得られないという課題があっ
た。However, in the power storage device according to the above-mentioned method, there is usually a power storage device that does not perform backup during a power failure and rarely performs backup during a power failure, but the power storage unit is common. Since the backup time is only a few hours, it is not possible to cope with a long-term power failure, and there has been a problem that sufficient backup performance cannot be obtained.
【０００４】本発明はこのような背景の下になされたも
ので、電力貯蔵部に大電力を貯蔵して長時間停電に対応
可能とするとともに、複数に分割した電力貯蔵部から順
次放電させることによって電力需要の大きい時間帯の電
力平準化を行うことができる電力貯蔵装置を提供するこ
とを目的とする。また、エンジン発電装置等を用いるこ
となく予備電源機能を備え、長時間の商用電源停電に対
応できる信頼性の高い電力貯蔵装置を提供することを目
的とする。[0004] The present invention has been made in view of such a background, to store a large amount of power in the power storage unit to be able to cope with a long-term power failure, and to sequentially discharge from a plurality of divided power storage units. It is an object of the present invention to provide a power storage device capable of performing power leveling in a time zone where power demand is large. It is another object of the present invention to provide a highly reliable power storage device having a standby power supply function without using an engine power generation device or the like and capable of coping with a long-term commercial power failure.
【０００５】[0005]
【課題を解決するための手段】上述の課題を解決するた
めに請求項１に記載の発明は、電力変換部と電力貯蔵部
とからなる電力貯蔵装置において、前記電力貯蔵部を複
数に分割し、電力を分割して貯蔵することを特徴とする
電力貯蔵装置を提供する。According to a first aspect of the present invention, there is provided a power storage device comprising a power conversion unit and a power storage unit, wherein the power storage unit is divided into a plurality of power storage units. , An electric power storage device characterized in that electric power is divided and stored.
【０００６】請求項２に記載の発明は、請求項１に記載
の電力貯蔵装置において、前記電力変換部は、商用電源
の電力を前記電力貯蔵部に貯蔵可能な電力に変換する機
能と、前記電力貯蔵部に貯蔵された電力を商用電源の系
統に連係可能な電力に変換する機能とを具備することを
特徴とする。According to a second aspect of the present invention, in the power storage device according to the first aspect, the power conversion unit converts a power of a commercial power supply into a power that can be stored in the power storage unit; A function of converting the power stored in the power storage unit into power that can be linked to a commercial power supply system.
【０００７】請求項３に記載の発明は、請求項１または
２に記載の電力貯蔵装置において、前記電力貯蔵部に貯
蔵した電力は、通常、１日毎に順次消費電力の平準化の
ために使用し、使用した電力は夜間等の電力需要の少な
い時間帯に商用電源から前記電力変換部を介して前記電
力貯蔵部に充電することを特徴とする。According to a third aspect of the present invention, in the electric power storage device according to the first or second aspect, the electric power stored in the electric power storage unit is normally used for leveling the power consumption sequentially every day. The used electric power is charged from the commercial power supply to the electric power storage unit via the electric power conversion unit during a time period when electric power demand is small, such as at night.
【０００８】また、請求項４に記載の発明は、請求項１
から３のいずれかに記載の電力貯蔵装置において、前記
分割して貯蔵した電力は、商用電源の停電時には、全て
の前記電力貯蔵部に貯蔵されている電力を負荷に供給可
能とし、予備電源機能を有することを特徴とする。[0008] The invention described in claim 4 is the first invention.
3. The power storage device according to any one of claims 1 to 3, wherein the divided and stored power is capable of supplying power stored in all of the power storage units to a load when a commercial power supply fails, and a standby power supply function. It is characterized by having.
【０００９】複数に分割した電力貯蔵部には、それぞれ
１日分の供給電力を貯蔵しておき、放電回路には開閉器
を設け、１日毎に開閉器を自動的に切り替えて電力を貯
蔵する。停電バックアップ時間に応じて電力貯蔵部を増
設することにより長時間の停電に対応できる。商用電源
の停電時には、これを検出して全ての開閉器を自動操作
し、電力貯蔵部に蓄えられている電力を順次放電させ
る。A plurality of divided power storage units store supply power for one day, and a switch is provided in the discharge circuit, and the switch is automatically switched every day to store power. . By extending the power storage unit according to the power failure backup time, it is possible to cope with a long-term power failure. At the time of a commercial power failure, this is detected and all switches are automatically operated to sequentially discharge the power stored in the power storage unit.
【００１０】[0010]
【発明の実施の形態】以下、この発明の一実施形態につ
いて図を参照しながら説明する。図１はこの発明の一実
施形態による電力貯蔵装置の構成を示すブロック図であ
る。この図において、符号１は商用電源であり、開閉器
２を経由して負荷３に電力を供給する。DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing a configuration of a power storage device according to one embodiment of the present invention. In this figure, reference numeral 1 denotes a commercial power supply, which supplies power to a load 3 via a switch 2.
【００１１】また、開閉器２の出力側には、電力変換部
４が接続され、この電力変換部４には開閉器５１を経由
して電力貯蔵部６１が接続されている。開閉器５２、・
・・、５ｎ、電力貯蔵部６２、・・・、６ｎについても
同様であり、ｎ組の電力貯蔵部を有することになる。電
力貯蔵部の容量と数は、負荷の消費電力、１日あたりの
電力貯蔵量および商用電源停電時のバックアップ時間に
よって決定される。A power converter 4 is connected to the output side of the switch 2, and a power storage unit 61 is connected to the power converter 4 via a switch 51. Switch 52,
.., 5n, the power storage units 62,..., 6n are similar, and have n sets of power storage units. The capacity and number of the power storage units are determined by the power consumption of the load, the amount of power stored per day, and the backup time at the time of a commercial power failure.
【００１２】このような構成による電力貯蔵装置の動作
について、以下に説明する。通常、負荷３には商用電源
１から電力が供給される。電力変換部４は、夜間等の電
力需要の少ない時間帯に商用電源の電力を電力貯蔵部６
１（６２、・・・、６ｎ）に貯蔵可能な電力に変換して
貯蔵する。電力需要の少ない時間帯は、電力料金が割安
になっているのが通例である。The operation of the power storage device having such a configuration will be described below. Normally, power is supplied to the load 3 from the commercial power supply 1. The power conversion unit 4 stores the power of the commercial power supply in the power storage unit 6 during a time period when power demand is low, such as at night.
1 (62,..., 6n). In the time zone where the power demand is low, the power rate is usually lower.
【００１３】電力変換部４から電力貯蔵部への電力の貯
蔵は、貯蔵量の少ない電力貯蔵部を検出して１日ごとに
個別に行い、商用電源の停電に備える。昼間の電力需要
の多い時間帯には、電力貯蔵部６１、６２、・・・、６
ｎのうちのいずれかの開閉器を閉じ、電力変換部４によ
って商用電源の系統に連係可能な電力に変換して電源ラ
インに接続し、消費電力を平準化する。The storage of the electric power from the electric power conversion unit 4 to the electric power storage unit is performed individually every day by detecting the electric power storage unit having a small storage amount, in preparation for a power outage of the commercial power supply. During the daytime hours when power demand is high, the power storage units 61, 62,.
The power converter 4 closes one of the switches, converts the power to power that can be linked to the system of commercial power, connects the power to the power line, and levels power consumption.
【００１４】商用電源１が停電したときは開閉器２を開
き、必要に応じてすべての電力貯蔵部からの貯蔵電力を
順次、電力変換部３を介して電力変換を行い、負荷３に
供給する。したがって、長時間の商用電源の停電に対処
することが可能となる。When the commercial power source 1 is out of power, the switch 2 is opened, and the stored power from all the power storage units is sequentially converted as necessary through the power conversion unit 3 and supplied to the load 3. . Therefore, it is possible to cope with a long-term power failure of the commercial power supply.
【００１５】以上、本発明の一実施形態の動作を図面を
参照して詳述してきたが、本発明はこの実施形態に限ら
れるものではなく、本発明の要旨を逸脱しない範囲の設
計変更等があっても本発明に含まれる。The operation of one embodiment of the present invention has been described in detail with reference to the drawings. However, the present invention is not limited to this embodiment, and a design change or the like may be made without departing from the gist of the present invention. The present invention is also included in the present invention.
【００１６】[0016]
【発明の効果】これまでに説明したように、この発明に
よれば、無停電供給が要求される負荷に対してもエンジ
ン発電機等の予備発電装置が不要であるという効果が得
られる。また、電力の平準化が可能であり、停電に対し
て信頼性の高い経済的な電力供給システムを構築できる
という効果が得られる。As described above, according to the present invention, there is obtained an effect that a standby power generation device such as an engine generator is not required for a load requiring an uninterrupted power supply. In addition, the power can be leveled, and an effect that an economical power supply system with high reliability against power failure can be constructed can be obtained.
【図１】 本発明の一実施形態による電力貯蔵装置の構
成を示すブロック図。FIG. 1 is a block diagram showing a configuration of a power storage device according to an embodiment of the present invention.
１…商用電源 ２…開閉器 ３…負荷 ４…電力変換部 ５１、５２、・・・、５ｎ…開閉器 ６１、６２、・・・、６ｎ…電力貯蔵部 DESCRIPTION OF SYMBOLS 1 ... Commercial power supply 2 ... Switch 3 ... Load 4 ... Power conversion part 51,52, ... 5n ... Switch 61,62, ..., 6n ... Power storage part
───────────────────────────────────────────────────── フロントページの続き (72)発明者 高木 晋也 東京都港区芝浦三丁目４番１号 株式会社 エヌ・ティ・ティファシリティーズ内 Ｆターム(参考） 5G003 AA01 BA04 DA07 GB06 5G015 GA06 JA26 JA32 JA56 5G066 JA02 JA07 JB03 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Shinya Takagi 3-4-1 Shibaura, Minato-ku, Tokyo F-term in NTT Facilities Inc. (reference) 5G003 AA01 BA04 DA07 GB06 5G015 GA06 JA26 JA32 JA56 5G066 JA02 JA07 JB03
Claims (4)
力貯蔵装置において、 前記電力貯蔵部を複数に分割し、電力を分割して貯蔵す
ることを特徴とする電力貯蔵装置。1. A power storage device comprising a power conversion unit and a power storage unit, wherein the power storage unit is divided into a plurality of units, and power is divided and stored.
換する機能と、 前記電力貯蔵部に貯蔵された電力を商用電源の系統に連
係可能な電力に変換する機能とを具備することを特徴と
する請求項１に記載の電力貯蔵装置。2. The power conversion unit has a function of converting power of a commercial power supply into power storable in the power storage unit, and a power capable of linking the power stored in the power storage unit with a system of a commercial power supply. The power storage device according to claim 1, further comprising a function of converting the power into a power.
使用した電力は夜間等の電力需要の少ない時間帯に商用
電源から前記電力変換部を介して前記電力貯蔵部に充電
することを特徴とする請求項１または２に記載の電力貯
蔵装置。3. The power stored in the power storage unit is usually used for leveling power consumption on a daily basis.
3. The power storage device according to claim 1, wherein the used power is charged from a commercial power supply to the power storage unit via the power conversion unit during a time period when power demand is low, such as at night. 4.
れている電力を負荷に供給可能とし、予備電源機能を有
することを特徴とする請求項１から３のいずれかに記載
の電力貯蔵装置。4. The divided power stored in the power supply unit is capable of supplying power stored in all the power storage units to a load during a power failure of a commercial power supply, and has a standby power supply function. Item 4. The power storage device according to any one of Items 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000251507A JP2002078237A (en) | 2000-08-22 | 2000-08-22 | Power-storing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000251507A JP2002078237A (en) | 2000-08-22 | 2000-08-22 | Power-storing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002078237A true JP2002078237A (en) | 2002-03-15 |
Family
ID=18740903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000251507A Pending JP2002078237A (en) | 2000-08-22 | 2000-08-22 | Power-storing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002078237A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011083089A (en) * | 2009-10-05 | 2011-04-21 | Panasonic Electric Works Co Ltd | Dc power distribution system |
| JP2011083091A (en) * | 2009-10-05 | 2011-04-21 | Panasonic Electric Works Co Ltd | Battery control unit |
| WO2013046659A1 (en) * | 2011-09-28 | 2013-04-04 | 三洋電機株式会社 | Power storage system |
| CN104891289A (en) * | 2014-03-07 | 2015-09-09 | 东芝电梯株式会社 | Storage battery utilization condition monitoring device and elevator having the same |
-
2000
- 2000-08-22 JP JP2000251507A patent/JP2002078237A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011083089A (en) * | 2009-10-05 | 2011-04-21 | Panasonic Electric Works Co Ltd | Dc power distribution system |
| JP2011083091A (en) * | 2009-10-05 | 2011-04-21 | Panasonic Electric Works Co Ltd | Battery control unit |
| WO2013046659A1 (en) * | 2011-09-28 | 2013-04-04 | 三洋電機株式会社 | Power storage system |
| CN104891289A (en) * | 2014-03-07 | 2015-09-09 | 东芝电梯株式会社 | Storage battery utilization condition monitoring device and elevator having the same |
| CN104891289B (en) * | 2014-03-07 | 2017-10-24 | 东芝电梯株式会社 | Battery utilization obstacle monitoring arrangement and the elevator for possessing the device |
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