JPH08289470A - Method and system for monitoring demand using storage battery facility - Google Patents
Method and system for monitoring demand using storage battery facilityInfo
- Publication number
- JPH08289470A JPH08289470A JP7091215A JP9121595A JPH08289470A JP H08289470 A JPH08289470 A JP H08289470A JP 7091215 A JP7091215 A JP 7091215A JP 9121595 A JP9121595 A JP 9121595A JP H08289470 A JPH08289470 A JP H08289470A
- Authority
- JP
- Japan
- Prior art keywords
- demand
- power
- facility
- load
- storage battery
- 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
Landscapes
- Stand-By Power Supply Arrangements (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、蓄電池設備を利用した
デマンド監視装置およびその方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a demand monitoring apparatus and method using a storage battery facility.
【０００２】[0002]
【従来の技術】一般に商用電源から負荷に電力を供給す
る装置において、電力の使用量（デマンド）が契約電力
を超えないようにするには、従来はアラームを出した
り、負荷の遮断を行っていた。2. Description of the Related Art Generally, in an apparatus that supplies electric power to a load from a commercial power source, an alarm or a load is cut off in the past to prevent the usage amount (demand) of the electric power from exceeding the contracted electric power. It was
【０００３】[0003]
【発明が解決しようとする課題】電力の使用量が契約電
力よりも超過することが予測される場合、負荷の一部を
遮断すること（ピークカット）が考えられるが、実際に
はピークカットできない場合が多く、デマンドオーバー
してしまうことがある。When it is predicted that the amount of electric power used exceeds the contracted electric power, it may be possible to cut off part of the load (peak cut), but it is not possible to actually cut the peak. In many cases, demand may be exceeded.
【０００４】本発明は上記の点に鑑みてなされたもので
その目的は、電力超過予測時に蓄電池設備を利用するこ
とによって負荷遮断を防止することができる蓄電池設備
を利用したデマンド監視装置およびその方法を提供する
ことにある。The present invention has been made in view of the above points, and an object thereof is a demand monitoring apparatus and a method thereof using a storage battery facility capable of preventing load shedding by using the storage battery facility when predicting excess power. To provide.
【０００５】[0005]
【課題を解決するための手段】本発明は、（１）商用電
源の停電時に電力を供給する無停電電源設備を有してな
る装置において、負荷設備の使用電力を監視し、電力使
用超過予測時に設備の電力余裕分を計算するとともに、
デマンド警報を発するデマンド監視装置と、前記デマン
ド警報が発せられたときに無停電電源設備の余裕分を負
荷に供給させる制御を行うデマンド制御装置とを備えた
ことを特徴とし、（２）商用電源の停電時に電力を供給
する無停電電源設備を有してなる装置のデマンド監視方
法において、電力超過予測時に蓄電池設備又は無停電電
源設備の余剰容量を計算し、前記設備への交流入力分を
削除するとともに、直流設備の余剰電力を直流−交流電
力変換装置を介して負荷に供給することを特徴としてい
る。The present invention provides (1) an apparatus having an uninterruptible power supply facility for supplying electric power when a commercial power source fails to monitor the power consumption of a load facility and predict an excess power consumption. Sometimes while calculating the power margin of equipment,
A demand monitoring device for issuing a demand alarm; and a demand control device for controlling to supply a margin of the uninterruptible power supply facility to a load when the demand alarm is issued, (2) commercial power supply In the demand monitoring method for equipment that has uninterruptible power supply equipment that supplies power during a power outage, the surplus capacity of storage battery equipment or uninterruptible power supply equipment is calculated when power overage is predicted, and the AC input to the equipment is deleted. In addition, the surplus power of the DC equipment is supplied to the load via the DC-AC power converter.
【０００６】[0006]
【作用】電力超過予測時には、蓄電池設備又は無停電電
源設備の余剰容量が計算され、前記設備への交流入力分
が削除されるとともに、直流設備の余剰電力が直流−交
流電力変換装置を介して負荷に供給される。このため電
力使用量が契約電力よりも超過することはなく、また負
荷は遮断されず電力の供給が継続される。When the excess power is predicted, the surplus capacity of the storage battery equipment or the uninterruptible power supply equipment is calculated, the AC input to the equipment is deleted, and the surplus power of the DC equipment is passed through the DC-AC power converter. Supplied to the load. Therefore, the amount of power used does not exceed the contracted power, and the load is not cut off, and the power supply is continued.
【０００７】[0007]
【実施例】以下図面を参照しながら本発明の一実施例を
説明する。例えばＣＶＣＦ（定電圧定周波数装置）は商
用停電時、発電機から電力が供給されるまでの数分をカ
バーするが、実際にはこの時間及び負荷にかなり余裕が
ある。そこで本発明ではこの余裕分を通常運用時に使用
するものである。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. For example, a CVCF (constant voltage constant frequency device) covers a few minutes until power is supplied from a generator during a commercial power failure, but in reality there is a considerable margin in this time and load. Therefore, in the present invention, this margin is used during normal operation.
【０００８】図１（ａ）において１はパルス変換器、２
はデマンド監視装置、３はデマンド制御装置、４はＣＶ
ＣＦ（定電圧定周波数）装置、５は蓄電池設備、６は負
荷設備である。前記ＣＶＣＦ装置４は図１（ｂ）のよう
に、遮断器２２，２５と、ＡＣ／ＤＣ変換器（順変換
部）２１と、蓄電池２３と、インバータ（逆変換部）と
で構成されている。In FIG. 1A, 1 is a pulse converter and 2 is a pulse converter.
Is a demand monitoring device, 3 is a demand control device, 4 is a CV
A CF (constant voltage and constant frequency) device, 5 is a storage battery facility, and 6 is a load facility. As shown in FIG. 1B, the CVCF device 4 includes circuit breakers 22 and 25, an AC / DC converter (forward conversion unit) 21, a storage battery 23, and an inverter (inverse conversion unit). .
【０００９】図１（ａ）における（１１）は電力量パル
ス入力、（１２）は制御信号出力、（１３）は各負荷設
備の使用電力、（１４）は制御信号、（１５）はデマン
ド警報を各々示している。In FIG. 1A, (11) is an electric energy pulse input, (12) is a control signal output, (13) is power used by each load facility, (14) is a control signal, and (15) is a demand alarm. Are shown respectively.
【００１０】上記のように構成された装置において、電
力超過予測時には図２のような方法により制御が行われ
る。まずステップＳ1において、デマンド監視装置２
は、負荷が必要とする電力量と、現状の蓄電池、ＵＰＳ
等の無停電電源設備容量およびその実負荷容量により、
余剰（余裕）分を算出する。次にステップＳ2におい
て、設備への交流入力分を削除し、設備の余剰分をイン
バータ（図示省略）を介して負荷に供給する（蓄電池設
備をピークカットする）。次にステップＳ3において、
デマンド時限完了時に負荷を元にもどす。In the device configured as described above, control is performed by the method as shown in FIG. 2 when predicting excess power. First, in step S 1 , the demand monitoring device 2
Is the amount of electricity required by the load and the current storage battery, UPS
Depending on the uninterruptible power supply facility capacity and its actual load capacity,
Calculate the surplus. In step S 2, remove the AC input frequency to equipment, (for peak shaving storage battery facilities) to the load through the inverter (not shown) the excess equipment. Then in step S 3 ,
Restores the load when the demand time limit is completed.
【００１１】上記のような制御により電力超過予測時の
負荷遮断を防止することができる。By the control as described above, it is possible to prevent the load from being cut off when the power excess is predicted.
【００１２】[0012]
【発明の効果】以上のように本発明によれば、電力超過
予測時に蓄電池設備又は無停電電源設備の余剰容量を計
算し、前記設備への交流入力分を削除するとともに、直
流設備の余剰電力を直流−交流電力変換装置を介して負
荷に供給するようにしたので、電力超過予測時の負荷遮
断を防止することができる。As described above, according to the present invention, the surplus capacity of the storage battery equipment or the uninterruptible power supply equipment is calculated at the time of the power excess prediction, the AC input to the equipment is deleted, and the surplus power of the DC equipment is removed. Is supplied to the load via the DC-AC power converter, it is possible to prevent the load from being cut off when the power excess is predicted.
【図１】本発明の一実施例を示し、（ａ）は全体のブロ
ック図、（ｂ）は要部のブロック図。1A and 1B show an embodiment of the present invention, in which FIG. 1A is an overall block diagram and FIG. 1B is a block diagram of a main part.
【図２】本発明の方法を説明するためのフローチャー
ト。FIG. 2 is a flow chart for explaining the method of the present invention.
１…パルス変換器 ２…デマンド監視装置 ３…デマンド制御装置 ４…ＣＶＣＦ装置 ５…蓄電池設備 ６…負荷設備 ２１…ＡＣ／ＤＣ変換器 ２２，２５…遮断器 ２３…蓄電池 ２４…インバータ DESCRIPTION OF SYMBOLS 1 ... Pulse converter 2 ... Demand monitoring device 3 ... Demand control device 4 ... CVCF device 5 ... Storage battery equipment 6 ... Load equipment 21 ... AC / DC converter 22, 25 ... Circuit breaker 23 ... Storage battery 24 ... Inverter
Claims (2)
電電源設備を有してなる装置において、負荷設備の使用
電力を監視し、電力使用超過予測時に設備の電力余裕分
を計算するとともに、デマンド警報を発するデマンド監
視装置と、前記デマンド警報が発せられたときに無停電
電源設備の余裕分を負荷に供給させる制御を行うデマン
ド制御装置とを備えたことを特徴とする蓄電池設備を利
用したデマンド監視装置。1. An apparatus comprising an uninterruptible power supply facility for supplying electric power when a commercial power supply fails, monitoring the power consumption of a load facility and calculating a power margin of the facility when predicting excess power consumption, A storage battery facility is used, which is equipped with a demand monitoring device for issuing a demand alarm and a demand control device for controlling to supply a load to the uninterruptible power supply facility when the demand alarm is issued. Demand monitoring device.
電電源設備を有してなる装置のデマンド監視方法におい
て、電力超過予測時に蓄電池設備又は無停電電源設備の
余剰容量を計算し、前記設備への交流入力分を削除する
とともに、直流設備の余剰電力を直流−交流電力変換装
置を介して負荷に供給することを特徴とする蓄電池設備
を利用したデマンド監視方法。2. A demand monitoring method for an apparatus having an uninterruptible power supply facility for supplying electric power when a commercial power supply fails, in which surplus capacity of a storage battery facility or an uninterruptible power supply facility is calculated when a power excess is predicted, and the facility is installed. A method of demand monitoring using storage battery equipment, characterized in that the power input to the load is deleted and surplus power of the DC equipment is supplied to the load via the DC-AC power converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7091215A JPH08289470A (en) | 1995-04-18 | 1995-04-18 | Method and system for monitoring demand using storage battery facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7091215A JPH08289470A (en) | 1995-04-18 | 1995-04-18 | Method and system for monitoring demand using storage battery facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08289470A true JPH08289470A (en) | 1996-11-01 |
Family
ID=14020207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7091215A Pending JPH08289470A (en) | 1995-04-18 | 1995-04-18 | Method and system for monitoring demand using storage battery facility |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08289470A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017175602A1 (en) * | 2016-04-08 | 2017-10-12 | 株式会社日立製作所 | Consumer energy management device, uninterrupted power supply management device, and consumer energy management system |
-
1995
- 1995-04-18 JP JP7091215A patent/JPH08289470A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017175602A1 (en) * | 2016-04-08 | 2017-10-12 | 株式会社日立製作所 | Consumer energy management device, uninterrupted power supply management device, and consumer energy management system |
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