JP5646206B2 - Power consumption management apparatus and power consumption management method - Google Patents

Power consumption management apparatus and power consumption management method Download PDF

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JP5646206B2
JP5646206B2 JP2010104284A JP2010104284A JP5646206B2 JP 5646206 B2 JP5646206 B2 JP 5646206B2 JP 2010104284 A JP2010104284 A JP 2010104284A JP 2010104284 A JP2010104284 A JP 2010104284A JP 5646206 B2 JP5646206 B2 JP 5646206B2
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power consumption
reduction
amount
load
consumption reduction
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JP2011234570A (en
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憲史 三ッ本
憲史 三ッ本
飯野　穣
穣 飯野
高木　康夫
康夫 高木
西村　信孝
信孝 西村
村山　大
大 村山
雅彦 村井
雅彦 村井
岩渕　一徳
一徳 岩渕
大場　義和
義和 大場
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Toshiba Corp
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    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • 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
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications

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Description

本発明の実施形態は、大型ビルや工場などの施設の消費電力を管理する消費電力管理装置および消費電力管理方法に関する。   Embodiments described herein relate generally to a power consumption management apparatus and a power consumption management method for managing power consumption of facilities such as large buildings and factories.

近年、温暖化の原因とされる二酸化炭素などの温室効果ガスを削減するため、ビルや工場などの施設において更なる省エネルギー化が求められている。これに伴って、発電時に温室効果ガスを排出しない太陽光発電や風力発電などの再生可能エネルギーの導入が加速している。   In recent years, in order to reduce greenhouse gases such as carbon dioxide, which is a cause of global warming, further energy saving is required in facilities such as buildings and factories. Along with this, the introduction of renewable energy such as solar power generation and wind power generation that does not emit greenhouse gases during power generation is accelerating.

この再生可能エネルギーは、太陽光や風力など、自然環境の中で繰り返し起こる現象から取り出す自然エネルギーを活用するため、気象状況により発電量が減る等の変動が起こってしまうという欠点がある。   Since this renewable energy uses natural energy extracted from phenomena that occur repeatedly in the natural environment, such as sunlight and wind power, there is a drawback in that fluctuations such as a decrease in the amount of power generation occur depending on weather conditions.

現在は火力発電などの出力で補うことによりその変動量を吸収しているが、再生可能エネルギーの導入比率が高まるにつれ、変動量を吸収しきれなくなることが懸念されている。   At present, the fluctuation amount is absorbed by compensating with the output of thermal power generation or the like, but as the introduction ratio of renewable energy increases, there is a concern that the fluctuation amount cannot be absorbed.

この変動量を吸収する他の手段として、蓄電池や予備発電機を利用することが考えられるが、蓄電池は単位蓄電量あたりのコストが高いという問題があり、予備発電機はアセットを保有するための費用がかかるとともに、起動した状態で待機する時にエネルギーを消費し非効率的であるという問題がある。   As another means of absorbing this fluctuation amount, it is conceivable to use a storage battery or a standby generator, but there is a problem that the storage battery has a high cost per unit storage amount, and the standby generator has a problem for holding assets. In addition to being expensive, there is a problem that it is inefficient because it consumes energy when waiting in the activated state.

特開２００９−１７７８５８号公報JP 2009-177858 A 特開２００９−７７４９８号公報JP 2009-77498 A

そこで、再生可能エネルギーの変動量を吸収するための、経済的且つ環境設備負荷の低い手段として、デマンドレスポンスが考えられる。   Therefore, demand response can be considered as an economical and low environmental facility load means for absorbing the fluctuation amount of renewable energy.

デマンドレスポンスとは、再生可能エネルギーの変動量（特に発電量不足）を電力供給側で吸収しきれなくなったときに、電力を消費する設備負荷側（デマンド側）が供給電力量の変動に合わせて消費電力量を低減させる等の調整を行うことである。   Demand response means that when the amount of renewable energy fluctuation (especially insufficient power generation) cannot be absorbed by the power supply side, the equipment load side (demand side) that consumes power will adjust to the fluctuation of the supplied power amount. Adjustments such as reducing power consumption are performed.

この設備負荷側で動的に消費電力量を削減する制御はデマンド制御と呼ばれており、優先順位の低い設備負荷から選択的に遮断する選択設備負荷遮断が一般的である。   Control that dynamically reduces the amount of power consumption on the equipment load side is called demand control, and selective equipment load interruption that selectively cuts off the equipment load with low priority is common.

しかし、この従来のデマンド制御は、予め設定された契約電力量を超過しないように、設備負荷のＯＮ／ＯＦＦをデマンド側で制御するものであり、気象状態などにより限定的な時間範囲において再生可能エネルギーの供給量が少なくなるようなデマンドレスポンスに対応することができないという問題があった。   However, this conventional demand control is to control the on / off of the equipment load on the demand side so as not to exceed the preset contracted electric energy, and can be regenerated in a limited time range depending on weather conditions etc. There was a problem that it was not possible to cope with demand response that reduced the amount of energy supply.

また、夏季昼間のように消費電力量の設備負荷が高くなるときには、電力系統運用者である電力会社からの電話連絡等により限定的な時間範囲において消費電力量を減らすようにビル管理者に通知し、これに基づいてビル管理者が経験的な判断で設備負荷の制御を行っているが、近年の大型ビルでは設備負荷のエネルギーソースが複数組み合わされて構成されており、設備負荷の制御を行うビル管理者への負担が大きいという問題があった。   In addition, when the equipment load of power consumption increases during the daytime in summer, the building manager is notified to reduce power consumption in a limited time range by telephone contact from the power company that is the power system operator. Based on this, the building manager controls the facility load based on empirical judgment.However, in recent large buildings, the facility load is controlled by combining multiple energy sources. There was a problem that the burden on the building manager to perform was heavy.

大型ビル内の負荷制御システムの、設備負荷およびそれらのエネルギーソースの一例を、図８に示す。図８の負荷制御システムでは、ビル内の設備負荷である照明負荷２１、動力・ＯＡ負荷２２、空調負荷２３、および給湯負荷２４で利用する電力３１、冷温水３２、および蒸気３３等のエネルギーの供給元として、外部から供給される電力を取得する受電端４１、外部から供給される蒸気を取得する蒸気源４２、および冷外部から供給される温水を取得する冷温水源４３に加え、ビル内でエネルギーを供給するＣＧＳ（Cogeneration System）５１、ボイラ５２、非常用多電機５３、燃料電池５４、太陽光／風力発電５５、蓄電５６、冷凍機／温水器５７、太陽熱給湯５８、蓄熱５９等が設置されている。   An example of equipment loads and their energy sources for a load control system in a large building is shown in FIG. In the load control system of FIG. 8, the energy load 21 such as the lighting load 21, the power / OA load 22, the air conditioning load 23, and the hot water supply load 24, which is the equipment load in the building, the cold / hot water 32, the steam 33, etc. In addition to the power receiving end 41 for acquiring power supplied from the outside, the steam source 42 for acquiring steam supplied from the outside, and the cold / hot water source 43 for acquiring hot water supplied from the cold outside, CGS (Cogeneration System) 51 for supplying energy, boiler 52, emergency multi-electric machine 53, fuel cell 54, solar / wind power generation 55, power storage 56, refrigerator / water heater 57, solar hot water supply 58, heat storage 59, etc. Has been.

このように多数のエネルギーソースが存在する場合、ビル管理者は、負荷の動作を調整することによりどの程度消費電力の削減に寄与できるのかを見積もることが困難であり、安定した制御ができないことがあるという問題があった。   When there are so many energy sources, it is difficult for the building manager to estimate how much power consumption can be reduced by adjusting the operation of the load, and stable control cannot be performed. There was a problem that there was.

本発明は上記事情に鑑みてなされたものであり、限定的な時間範囲における供給電力量の変動に対し、消費電力量を効率的に制御することが可能な消費電力管理装置および消費電力管理方法を提供することを目的とする。   The present invention has been made in view of the above circumstances, and a power consumption management device and a power consumption management method capable of efficiently controlling power consumption with respect to fluctuations in power supply in a limited time range. The purpose is to provide.

上記目的を達成するための実施形態の消費電力管理装置は、設備負荷に関する複数の消費電力削減レベルごとの、消費電力量を削減した制御を継続可能な削減継続可能時間を取得する負荷調整可能量取得部と、前記負荷調整可能量取得部で取得された複数の消費電力削減レベルごとの削減継続可能時間により予測される消費電力削減予測量を算出する消費電力削減予測量算出部と、消費電力削減要求が入力されたときに、この消費電力削減要求で要求されている消費電力削減量と、前記消費電力削減予測量算出部で算出された消費電力削減予測量と、前記負荷調整可能量取得部で取得された情報とから、前記設備負荷について消費電力削減レベルおよび削減継続時間を決定する削減レベル決定部と、前記削減レベル決定部で決定された消費電力削減レベルおよび削減継続時間に基づいて、前記設備負荷に対する制御量を決定する負荷制御量決定部とを備えることを特徴とする。 The power consumption management apparatus according to the embodiment for achieving the above object is a load adjustable amount for acquiring a reduction continuation time during which control with reduced power consumption can be continued for each of a plurality of power consumption reduction levels related to facility loads. An acquisition unit, a power consumption reduction prediction amount calculation unit that calculates a power consumption reduction prediction amount predicted by a reduction continuation possible time for each of the plurality of power consumption reduction levels acquired by the load adjustable amount acquisition unit , and power consumption When a reduction request is input, the power consumption reduction amount requested in the power consumption reduction request, the power consumption reduction prediction amount calculated by the power consumption reduction prediction amount calculation unit, and the load adjustable amount acquisition A reduction level determination unit for determining a power consumption reduction level and a reduction duration for the equipment load from the information acquired by the unit, and a power consumption determined by the reduction level determination unit Based on the reduced level and reduced duration, characterized in that it comprises a load control amount determining unit for determining a control amount for the equipment load.

一実施形態による消費電力管理装置の構成を示すブロック図である。It is a block diagram which shows the structure of the power consumption management apparatus by one Embodiment. 一実施形態による消費電力管理装置で実行される消費電力削減可能量の算出処理の動作を示すフローチャートである。It is a flowchart which shows operation | movement of the calculation process of the power consumption reduction possible amount performed with the power consumption management apparatus by one Embodiment. 一実施形態による消費電力管理装置に入力される消費電力削減レベルごとの削減継続可能時間の一例を示す説明図である。It is explanatory drawing which shows an example of the reduction continuation possible time for every power consumption reduction level input into the power consumption management apparatus by one Embodiment. 一実施形態による消費電力管理装置で実行される設備負荷の制御量の調整処理の動作を示すフローチャートである。It is a flowchart which shows the operation | movement of the adjustment process of the control amount of the installation load performed with the power consumption management apparatus by one Embodiment. 一実施形態による消費電力管理装置で決定された消費電力削減レベルの削減継続時間の一例を示す説明図である。It is explanatory drawing which shows an example of the reduction continuation time of the power consumption reduction level determined with the power consumption management apparatus by one Embodiment. 一実施形態による消費電力管理装置で決定された消費電力削減レベルの削減継続時間およびシフトされた動作時間の一例を示す説明図である。It is explanatory drawing which shows an example of the reduction continuation time of the power consumption reduction level determined by the power consumption management apparatus by one Embodiment, and the shifted operation time. 一実施形態による消費電力管理装置で決定された消費電力削減レベルの削減継続時間およびシフトされた動作時間の一例を示す説明図である。It is explanatory drawing which shows an example of the reduction continuation time of the power consumption reduction level determined by the power consumption management apparatus by one Embodiment, and the shifted operation time. 一実施形態による消費電力管理装置で管理される建物内の設備負荷および設備負荷へのエネルギーソースの一例を示す説明図である。It is explanatory drawing which shows an example of the energy source to the equipment load in a building managed with the power consumption management apparatus by one Embodiment, and equipment load.

本発明の一実施形態として、図２に示すような照明負荷、動力・ＯＡ負荷、空調負荷、給湯負荷が設置されたビル内の、これらの設備負荷で消費される電力を管理する消費電力管理装置について説明する。   As one embodiment of the present invention, power consumption management for managing the power consumed by these equipment loads in a building where a lighting load, power / OA load, air conditioning load, and hot water supply load as shown in FIG. 2 are installed. The apparatus will be described.

〈一実施形態による消費電力管理装置の構成〉
本実施形態による消費電力管理装置の構成について、図１を参照して説明する。 <Configuration of Power Consumption Management Device According to One Embodiment>
The configuration of the power consumption management apparatus according to the present embodiment will be described with reference to FIG.

本実施形態による消費電力管理装置１は、複数の建物への供給電力を管理する中央供給電力管理装置２にネットワーク３を介して接続された状態で管理対象のビル内に設置されており、負荷調整可能量入力部１１と、消費電力削減予測量算出部１２と、消費電力削減予測量表示部１３と、消費電力削減可能量出力部１４と、削減レベル決定部１５と、負荷制御量決定部１６と、負荷制御量出力部１７と、これらの機能部で利用する情報を記憶する記憶部１８とを有する。   The power consumption management device 1 according to this embodiment is installed in a building to be managed in a state where it is connected to a central supply power management device 2 that manages power supply to a plurality of buildings via a network 3. Adjustable amount input unit 11, power consumption reduction prediction amount calculation unit 12, power consumption reduction prediction amount display unit 13, power consumption reduction possible amount output unit 14, reduction level determination unit 15, load control amount determination unit 16, a load control amount output unit 17, and a storage unit 18 that stores information used by these functional units.

負荷調整可能量入力部１１は、ビル管理者により操作され、照明負荷、動力・ＯＡ負荷、空調負荷、給湯負荷等の各種負荷について、制御に関する設定値のうち少なくとも１つに関し、負荷の消費電力削減レベルごとの、消費電力量を削減した制御を継続可能な時間である削減継続可能時間を入力する。   The load adjustable amount input unit 11 is operated by a building administrator, and for various loads such as a lighting load, a power / OA load, an air conditioning load, and a hot water supply load, the power consumption of the load is related to at least one of set values related to control. For each reduction level, input a reduction continuation time which is a time during which control with reduced power consumption can be continued.

消費電力削減予測量算出部１２は、負荷調整可能量入力部１１から入力された消費電力削減レベルごとの削減継続可能時間により予測される、消費電力削減予測量を算出する。   The power consumption reduction prediction amount calculation unit 12 calculates a power consumption reduction prediction amount that is predicted based on the reduction continuation possible time for each power consumption reduction level input from the load adjustable amount input unit 11.

消費電力削減予測量表示部１３は、消費電力削減予測量算出部１２で算出された消費電力削減予測量を表示する。   The predicted power consumption reduction amount display unit 13 displays the predicted power consumption reduction amount calculated by the predicted power consumption reduction amount calculation unit 12.

消費電力削減可能量出力部１４は、消費電力削減予測量算出部１２で算出された消費電力削減予測量を、消費電力削減可能量として、中央供給電力管理装置２に送信する。   The power consumption reducible amount output unit 14 transmits the power consumption reduction predicted amount calculated by the power consumption reduction predicted amount calculation unit 12 to the central supply power management apparatus 2 as a power consumption reducible amount.

削減レベル決定部１５は、中央供給電力管理装置２から消費電力削減要求が送信されたときに、この消費電力削減要求で要求されている消費電力削減量と消費電力削減予測量算出部１２で算出された消費電力削減予測量とから、設備負荷について消費電力削減レベルおよび削減継続時間を決定する。   When a power consumption reduction request is transmitted from the central power supply management device 2, the reduction level determination unit 15 calculates the power consumption reduction amount and the power consumption reduction predicted amount calculation unit 12 requested by the power consumption reduction request. The power consumption reduction level and the reduction duration are determined for the equipment load from the predicted power consumption reduction amount.

負荷制御量決定部１６は、削減レベル決定部１５で決定された消費電力削減レベルおよび削減継続時間に基づいて、管理対象のビル内の各設備負荷に対する制御量を決定する。   The load control amount determination unit 16 determines a control amount for each equipment load in the building to be managed based on the power consumption reduction level and the reduction duration time determined by the reduction level determination unit 15.

負荷制御量出力部１７は、負荷制御量決定部１６で決定された各設備負荷に対する制御量に基づいて、各設備負荷に制御量情報を出力する。   The load control amount output unit 17 outputs control amount information to each facility load based on the control amount for each facility load determined by the load control amount determination unit 16.

〈一実施形態による消費電力管理装置の動作〉
次に、本実施形態の消費電力管理装置１において実行される、（１）消費電力削減可能量の算出処理、および、（２）中央供給電力管理装置２から消費電力削減要求が送出されたときの管理対象のビル内の設備負荷の制御量の調整処理について、図２〜７を参照して説明する。 <Operation of Power Consumption Management Device According to One Embodiment>
Next, (1) a calculation process of the power consumption reduction possible amount executed in the power consumption management apparatus 1 of this embodiment, and (2) when a power consumption reduction request is sent from the central supply power management apparatus 2 The adjustment processing of the control amount of the equipment load in the building to be managed will be described with reference to FIGS.

（１）消費電力削減可能量の算出処理
消費電力管理装置１における消費電力削減可能量の算出処理の動作について、図２のフローチャートを参照して説明する。 (1) Calculation process of power consumption reducible amount The operation | movement of the power consumption reduction possible amount calculation process in the power consumption management apparatus 1 is demonstrated with reference to the flowchart of FIG.

まず、ビルの管理者により負荷調整可能量入力部１１が操作され、照明負荷、動力・ＯＡ負荷、空調負荷、給湯負荷等の各種負荷について、制御に関する設定値のうち少なくとも１つに関し、負荷の消費電力削減レベルごとの、消費電力量を削減した制御を継続可能な時間である削減継続可能時間が入力される（Ｓ１）。   First, the building administrator operates the load adjustment possible amount input unit 11, and for various loads such as a lighting load, a power / OA load, an air conditioning load, and a hot water supply load, A reduction continuation possible time, which is a time during which control with reduced power consumption can be continued for each power consumption reduction level, is input (S1).

この負荷の消費電力削減レベルの削減継続可能時間はビル管理者が理解しやすい設定値、例えば、設備負荷が空調負荷であるときは、空調制御対象エリアごとの設定温度値、設定湿度値、および快適性指数値のうち少なくとも１つについて予め設定された前記消費電力削減レベルごとの削減継続可能時間が入力され、設備負荷が給湯負荷であるときは、給湯温度値、給湯量、蒸気温度値、蒸気圧力値、および蒸気量のうち少なくとも１つについて予め設定された前記消費電力削減レベルごとの削減継続可能時間が入力され、設備負荷が照明負荷であるときは、照明制御対象エリアごとの点灯照明装置数、および照度のうち少なくとも１つについて予め設定された前記消費電力削減レベルごとの削減継続可能時間が入力される。   The reduction continuation time of the power consumption reduction level of this load is a setting value that is easy for a building administrator to understand.For example, when the equipment load is an air conditioning load, the set temperature value, the set humidity value, and the When a reduction continuation time for each of the power consumption reduction levels set in advance for at least one of the comfort index values is input and the equipment load is a hot water supply load, a hot water supply temperature value, a hot water supply amount, a steam temperature value, When at least one of the steam pressure value and the steam amount is set in advance for a reduction continuation time for each power consumption reduction level and the equipment load is a lighting load, the lighting for each lighting control target area A reduction continuation time for each power consumption reduction level set in advance for at least one of the number of devices and illuminance is input.

入力された負荷の消費電力削減レベルごとの削減継続可能時間の一例を、図３に示す。   An example of the possible reduction continuation time for each input power consumption reduction level is shown in FIG.

ここでは、予め消費電力管理装置１に、空調負荷の冷房モードにおける温度設定値に関し、消費電力削減レベルのレベル１として設定温度を０．５℃上げる制御情報が設定され、レベル２として設定温度を１℃上げる制御情報が設定され、・・・レベル１０として設定温度を４℃上げる制御情報が設定されているものとする。   Here, regarding the temperature setting value in the cooling mode of the air conditioning load, control information for raising the set temperature by 0.5 ° C. is set as the power consumption reduction level 1 in the power consumption management device 1 and the set temperature is set as the level 2. It is assumed that control information for raising 1 ° C. is set, and that control information for raising the set temperature by 4 ° C. is set as level 10.

このように設定されている状態で、図３では、レベル１による制御は２４時間継続可能であり、レベル２による制御は１２時間であれば継続可能であり、レベル１０による制御は２時間であれば継続可能であることが入力された状態が示されている。   In this state, in FIG. 3, the control by level 1 can be continued for 24 hours, the control by level 2 can be continued for 12 hours, and the control by level 10 can be continued for 2 hours. In this case, a state in which it is possible to continue is input.

このレベル別の継続可能時間は、時間帯ごと、または日にちや曜日ごと等により、異なる情報を入力するようにしてもよい。   Different information may be input for each continuable time for each level depending on the time zone, day, day of the week, or the like.

例えばオフィスビルにおける平日の昼間の時間帯にはレベル１０による制御は短時間しか許容できないが、休日や夜間の時間帯には長時間許容するなど、ビルの使用状況に応じて設定可能である。   For example, level 10 control is allowed only for a short time during weekday daytime hours in an office building, but it can be set according to the usage status of the building, such as allowing for a long time during holidays and night time zones.

入力された負荷の消費電力削減レベルごとの削減継続可能時間は、記憶部１８に記憶される。   The reduction continuation possible time for each input power consumption reduction level of the load is stored in the storage unit 18.

次に、消費電力削減予測量算出部１２により負荷調整可能量入力部１１から入力され記憶された消費電力削減レベルごとの削減継続可能時間の情報に基づいて、消費電力削減予測量が算出される（Ｓ２）。   Next, the predicted power consumption reduction amount is calculated based on the information on the possible reduction continuation time for each power consumption reduction level input and stored from the load adjustable amount input unit 11 by the power consumption reduction predicted amount calculation unit 12. (S2).

この消費電力削減予測量は、管理対象のビルの設備負荷のスペックや動作状態、蓄熱・蓄電状態、または運用条件などの設備負荷の環境に基づいて構成されたシミュレータにより算出されるか、予め各設備負荷の環境ごとの消費電力予測量が格納されたテーブルが参照されて算出されるか、またはオンラインで接続された、これらの算出処理を実行する装置から取得されることにより、算出される。   The predicted amount of power consumption reduction is calculated by a simulator configured based on the equipment load environment such as the equipment load specifications and operational state, heat storage / storage state, or operation conditions of the building to be managed, It is calculated by referring to a table in which the predicted power consumption for each environment of the equipment load is stored, or by being acquired from an apparatus connected online to execute these calculation processes.

またここで算出される消費電力削減予測量には、当該建物内の内部電力供給設備により供給可能な電力量を、内部電力供給設備のシミュレータ、または予め内部電力供給設備の環境ごとの供給電力予測量が格納されたテーブルを用いて算出された内部供給電力量を加えてもよい。   The predicted power consumption reduction amount calculated here is the amount of power that can be supplied by the internal power supply facility in the building, the internal power supply facility simulator, or the predicted power supply for each environment of the internal power supply facility in advance. You may add the internal supply electric energy calculated using the table in which quantity was stored.

消費電力削減予測量算出部１２において算出された消費電力削減予測量は、記憶部１８に記憶されるとともに消費電力削減予測量表示部１３により表示され（Ｓ３）、操作中のビル管理者に提示される。ビル管理者は、入力した情報に基づいて算出された消費電力削減予測量を消費電力削減予測量表示部１３の表示で確認しながら、入力した情報を更新することができる。   The predicted power consumption reduction amount calculated by the power consumption reduction predicted amount calculation unit 12 is stored in the storage unit 18 and displayed by the power consumption reduction predicted amount display unit 13 (S3), and is presented to the operating building manager. Is done. The building administrator can update the input information while confirming the predicted power consumption reduction amount calculated based on the input information on the display of the predicted power consumption reduction amount display unit 13.

また、この消費電力削減予測量算出部１２において算出された消費電力削減予測量を、ネットワーク３を介して中央供給電力管理装置２に送信しておくことで、中央供給電力管理装置２で各建物に消費電力削減要求を送出する際の削減要求量を決定するために利用させることができる。   In addition, the predicted power consumption reduction amount calculated by the power consumption reduction predicted amount calculation unit 12 is transmitted to the central power supply management device 2 via the network 3 so that the central power supply management device 2 uses each building. Can be used to determine a reduction request amount when sending a power consumption reduction request.

尚、負荷調整可能量については、次のように設定することも可能である。   Note that the load adjustable amount can be set as follows.

例えば、一度削減した負荷を何度も削減することがないように、図５に示すように、決定された一の削減継続時間p1（時刻t1〜t2）の後に、消費電力量を削減した制御を禁止する所定の削減制御禁止時間p2（時刻t2〜t3）を設定することにより、頻繁に設定値が変化して設備負荷の動作が不安定な状態になることを防ぐことができる。   For example, as shown in FIG. 5, control that reduces power consumption after a determined reduction duration p1 (time t1 to t2) so that the load once reduced is not reduced many times. By setting a predetermined reduction control prohibition time p2 (time t2 to t3) for prohibiting the operation, it is possible to prevent the set value from changing frequently and the operation of the equipment load from becoming unstable.

また、設備負荷の種類によっては、決定された消費電力削減レベルで示される設定値に急激に変更することが不可能な場合もあるため、このような場合には、遅れ時間を付加するようにしてもよい。   Depending on the type of equipment load, it may not be possible to change the setting value indicated by the determined power consumption reduction level abruptly. In such a case, a delay time should be added. May be.

例えば図５に示すように、消費電力削減量がaであり、削減継続時間が時刻t1から時刻t2で示される時間である場合において、当該設備負荷の設定値を、予め設定された単位時間あたりの削減量の変化率の上限値を超えない範囲内でレベルaに変更するには、調整時間p3が必要であるとすると、段階的に変化させるように設定された調整ランプに従って変更するように、削減量を設定することができる。   For example, as shown in FIG. 5, when the power consumption reduction amount is a and the reduction continuation time is the time indicated by the time t1 to the time t2, the set value of the equipment load is set to a preset unit time. If the adjustment time p3 is required to change to level a within a range that does not exceed the upper limit of the rate of change in the amount of reduction, change according to the adjustment ramp set to change in stages. A reduction amount can be set.

また削減継続可能時間に削減される分の設備負荷の動作を、当該削減継続時間より後の時間にシフトさせて実行させるように、負の削減量を設定するようにしてもよい。   Further, the negative reduction amount may be set so that the operation of the equipment load corresponding to the reduction continuation time is shifted and executed after the reduction continuation time.

このように削減量を決定することにより、例えば給湯負荷において、図６に示すように、時刻t4からt5の間は消費電力量削減要求により給湯温度の設定値を下げて消費電力量を削減させ、この下げた分の給湯温度を、夜間などの他の設備負荷における消費電力量が少ない時刻t5からt6の間に動作時間をシフトさせて戻すことで、設備負荷を正常に動作させることができる。   By determining the amount of reduction in this way, for example, in a hot water supply load, as shown in FIG. 6, during the period from time t4 to t5, the set value of the hot water supply temperature is lowered by a power consumption reduction request, thereby reducing the amount of power consumption. The equipment load can be made to operate normally by shifting the hot water supply temperature of this lowered amount from the time t5 to t6 when the power consumption at other equipment loads such as nighttime is low. .

このとき、図７に示すように、時刻t5からt7の短時間で急激に設定値を変化させることで動作時間をシフトさせてもよいし、時刻t5からt8の長時間で設定値の変化が少ない状態で動作時間をシフトさせるようにしてもよい。   At this time, as shown in FIG. 7, the operating time may be shifted by changing the set value abruptly in a short time from time t5 to t7, or the change in the set value may be changed in a long time from time t5 to t8. The operation time may be shifted in a small state.

このように、負荷調整可能量入力部１１から予めビルの管理者の操作によりきめ細かい設定を入力しておくことで、ビルごとの設備稼働状況に応じたさらに精度の高い制御を行うことができる。   In this way, by inputting detailed settings in advance from the load adjustable amount input unit 11 by the operation of the building administrator, it is possible to perform control with higher accuracy in accordance with the facility operating status for each building.

（２）中央供給電力管理装置２から消費電力削減要求が送出されたときの管理対象のビル内の設備負荷の制御量の調整処理
次に、中央供給電力管理装置２から消費電力削減要求が送信され、管理対象のビル内の設備負荷の制御量を調整するときの動作について、図４のフローチャートを参照して説明する。 (2) Adjustment processing of the control amount of the equipment load in the building to be managed when the power supply reduction request is sent from the central power supply management device 2 Next, the power consumption reduction request is transmitted from the central power supply management device 2 The operation when adjusting the control amount of the equipment load in the building to be managed will be described with reference to the flowchart of FIG.

まず、中央供給電力管理装置２から消費電力削減要求が送信されると、削減レベル決定部１５において受信され（Ｓ１１）、この消費電力削減要求で要求されている消費電力削減量が削減可能になるように、消費電力削減予測量算出部１２で算出された消費電力削減予測量に基づいて、設備負荷について消費電力削減レベルおよび削減継続時間が決定される（Ｓ１２）。   First, when a power consumption reduction request is transmitted from the central power supply management device 2, it is received by the reduction level determination unit 15 (S11), and the amount of power consumption reduction requested by this power consumption reduction request can be reduced. Thus, based on the predicted power consumption reduction amount calculated by the predicted power consumption reduction amount calculation unit 12, the power consumption reduction level and the reduction duration are determined for the equipment load (S12).

次に、負荷制御量決定部１６において、削減レベル決定部１５で決定された消費電力削減レベルおよび削減継続時間に基づいて、管理対象のビル内の各設備負荷に対する制御量が決定される（Ｓ１３）。決定された制御量の情報は、記憶部１８に記憶される。   Next, the load control amount determination unit 16 determines the control amount for each equipment load in the building to be managed based on the power consumption reduction level and reduction duration determined by the reduction level determination unit 15 (S13). ). Information on the determined control amount is stored in the storage unit 18.

そして、負荷制御量出力部１７において、負荷制御量決定部１６で決定された各設備負荷に対する制御量に基づいて各設備負荷に制御量情報が出力され（Ｓ１４）、各設備負荷がこの制御量情報に基づいて制御される。   Then, the load control amount output unit 17 outputs control amount information to each equipment load based on the control amount for each equipment load determined by the load control amount determination unit 16 (S14), and each equipment load is controlled by this control amount. Control based on information.

以上の本実施形態によれば、ビル管理者が入力する建物内の設備負荷の消費電力削減レベルごとの消費電力量を削減した制御を継続可能な削減継続可能時間に基づいて、消費電力削減予測量を予測して表示することで、ビル管理者が消費電力削減量を見積もる作業を支援することができる。   According to the present embodiment described above, the power consumption reduction prediction is based on the reduction continuation time during which the control that reduces the power consumption for each power consumption reduction level of the facility load in the building input by the building manager can be continued. By predicting and displaying the amount, the building manager can support the work of estimating the power consumption reduction amount.

また、この予測した消費電力削減予測量に基づいて、消費電力量削減要求が受信されたときの建物内の各設備負荷の制御量を決定するため、限定的な時間範囲における供給電力量の変動に対し、効率的に消費電力量を制御することができる。   In addition, based on this predicted power consumption reduction prediction amount, the amount of power supply fluctuation in a limited time range is determined in order to determine the control amount of each equipment load in the building when a power consumption reduction request is received. On the other hand, the power consumption can be controlled efficiently.

上記の本実施形態においては、消費電力管理装置１と中央供給電力管理装置２との間で取得される情報がネットワーク３を介した送受信により実行される場合について説明したが、これには限定されず、消費電力管理装置１および中央供給電力管理装置２の管理者間で例えば電子メールや電話等を利用して当該情報が伝達され、それぞれの管理者により消費電力管理装置１または中央供給電力管理装置２に入力されることにより、取得されるようにしてもよい。   In the present embodiment, the case where information acquired between the power consumption management device 1 and the central supply power management device 2 is executed by transmission / reception via the network 3 has been described. First, the information is transmitted between the managers of the power consumption management device 1 and the central power supply management device 2 using, for example, e-mail or telephone, and the power consumption management device 1 or the central power management is managed by each administrator. You may make it acquire by inputting into the apparatus 2. FIG.

１…消費電力管理装置
２…中央供給電力管理装置
３…ネットワーク
１１…負荷調整可能量入力部
１２…消費電力削減予測量算出部
１３…消費電力削減予測量表示部
１４…消費電力削減可能量出力部
１５…削減レベル決定部
１６…負荷制御量決定部
１７…負荷制御量出力部
１８…記憶部 DESCRIPTION OF SYMBOLS 1 ... Power consumption management apparatus 2 ... Central supply power management apparatus 3 ... Network 11 ... Load adjustment possible quantity input part 12 ... Power consumption reduction estimated quantity calculation part 13 ... Power consumption reduction estimated quantity display part 14 ... Power consumption reduction possible quantity output Unit 15 ... Reduction level determination unit 16 ... Load control amount determination unit 17 ... Load control amount output unit 18 ... Storage unit

Claims (7)

管理対象の建物の設備負荷に関する複数の消費電力削減レベルごとの、消費電力量を削減した制御を継続可能な削減継続可能時間を取得する負荷調整可能量取得部と、
前記負荷調整可能量取得部で取得された複数の消費電力削減レベルごとの削減継続可能時間により予測される消費電力削減予測量を算出する消費電力削減予測量算出部と、
消費電力削減要求が入力されたときに、この消費電力削減要求で要求されている消費電力削減量と、前記消費電力削減予測量算出部で算出された消費電力削減予測量と、前記負荷調整可能量取得部で取得された情報とから、前記設備負荷について消費電力削減レベルおよび削減継続時間を決定する削減レベル決定部と、
前記削減レベル決定部で決定された消費電力削減レベルおよび削減継続時間に基づいて、前記設備負荷に対する制御量を決定する負荷制御量決定部と、
を備えることを特徴とする消費電力管理装置。 A load adjustable amount acquisition unit that acquires a reduction continuation time capable of continuing control with reduced power consumption for each of the plurality of power consumption reduction levels related to the facility load of the building to be managed ;
A power consumption reduction prediction amount calculation unit that calculates a power consumption reduction prediction amount predicted by a reduction continuation possible time for each of a plurality of power consumption reduction levels acquired by the load adjustable amount acquisition unit;
When a power consumption reduction request is input, the power consumption reduction amount requested by the power consumption reduction request, the power consumption reduction prediction amount calculated by the power consumption reduction prediction amount calculation unit, and the load adjustment are possible. A reduction level determination unit that determines a power consumption reduction level and a reduction duration for the equipment load from the information acquired by the amount acquisition unit;
A load control amount determination unit that determines a control amount for the facility load based on the power consumption reduction level and the reduction duration determined by the reduction level determination unit;
A power consumption management device comprising: 前記負荷調整可能量取得部は、
前記設備負荷が空調負荷であるときは、空調制御対象エリアごとの設定温度値、設定湿度値、および快適性指数値のうち少なくとも１つについて予め設定された前記消費電力削減レベルごとの削減継続可能時間を取得し、
前記設備負荷が給湯負荷であるときは、給湯温度値、給湯量、蒸気温度値、蒸気圧力値、および蒸気量のうち少なくとも１つについて予め設定された前記消費電力削減レベルごとの削減継続可能時間を取得し、
前記設備負荷が照明負荷であるときは、照明制御対象エリアごとの点灯照明装置数、および照度のうち少なくとも１つについて予め設定された前記消費電力削減レベルごとの削減継続可能時間を取得する
ことを特徴とする請求項１に記載の消費電力管理装置。 The load adjustable amount acquisition unit
When the equipment load is an air conditioning load, reduction can be continued for each of the power consumption reduction levels set in advance for at least one of a set temperature value, a set humidity value, and a comfort index value for each air conditioning control target area. to get the time,
When the facility load is a hot water supply load, a reduction continuation time for each power consumption reduction level set in advance for at least one of a hot water supply temperature value, a hot water supply amount, a steam temperature value, a steam pressure value, and a steam amount Get
When the equipment load is a lighting load, obtaining a reduction continuation time for each power consumption reduction level set in advance for at least one of the number of lighting devices for each lighting control target area and illuminance The power consumption management device according to claim 1. 前記消費電力削減予測量算出部では、前記設備負荷の環境に基づいて構成された前記設備負荷のシミュレータ、または予め前記設備負荷の環境ごとの消費電力予測量が格納されたテーブルを用いて、前記消費電力削減予測量を算出する
ことを特徴とする請求項１または２に記載の消費電力管理装置。 And in the power consumption reduction predicted amount calculation unit, by using the constructed in accordance with the equipment load environment the said equipment load simulator or advance the equipment table power estimation amount for each environmental load has been stored, the The power consumption management apparatus according to claim 1, wherein a predicted amount of power consumption reduction is calculated. 前記消費電力削減予測量算出部では、当該建物の内部電力供給設備により供給可能な電力量を、前記内部電力供給設備のシミュレータ、または予め前記内部電力供給設備の環境ごとの供給電力予測量が格納されたテーブルを用いて内部供給電力量を算出し、算出した内部供給電力量を加えた前記消費電力削減予測量を算出する
ことを特徴とする請求項１〜３いずれか１項に記載の消費電力管理装置。 In the power consumption reduction prediction amount calculation unit, the amount of power that can be supplied by the internal power supply facility of the building is stored in the simulator of the internal power supply facility or the supply power prediction amount for each environment of the internal power supply facility in advance. The consumption according to any one of claims 1 to 3, wherein an internal supply power amount is calculated using the calculated table, and the power consumption reduction prediction amount is calculated by adding the calculated internal supply power amount. Power management device. 前記負荷調整可能量取得部は、
前記削減継続可能時間の後に、消費電力量を削減した制御を禁止する削減制御禁止時間を設定させるための情報、
前記設備負荷に対する単位時間あたりの消費電力削減量の変化率の上限値の情報、および
前記消費電力削減レベルごとの削減継続時間に削減される分の前記設備負荷の動作を、当該削減継続時間より後の時間に実行させるための情報
をさらに取得する
ことを特徴とする請求項１〜４いずれか１項に記載の消費電力管理装置。 The load adjustable amount acquisition unit
Information for setting a reduction control prohibition time for prohibiting control with reduced power consumption after the reduction continuation possible time;
The facility information of the upper limit of power consumption reduction rate of change per unit time for the load, and the operation of the reduced the amount of the plant load reduction duration of each of the power reduction level than the reduced duration 5. The power consumption management apparatus according to claim 1, further acquiring information to be executed at a later time. 前記消費電力削減予測量算出部で算出された消費電力削減予測量を、消費電力削減可能量として出力する消費電力削減可能量出力部
をさらに備えることを特徴とする請求項１〜５いずれか１項に記載の消費電力管理装置。 The power consumption reduction possible amount output unit that outputs the power consumption reduction prediction amount calculated by the power consumption reduction prediction amount calculation unit as a power consumption reduction possible amount is further provided. The power consumption management device according to item. 管理対象の建物ごとに設置された消費電力管理装置が、
設備負荷に関する複数の消費電力削減レベルごとの、消費電力量を削減した制御を継続可能な削減継続可能時間を取得する負荷調整可能量取得ステップと、
前記負荷調整可能量取得ステップで取得された複数の消費電力削減レベルごとの削減継続可能時間により予測される消費電力削減予測量を算出する消費電力削減予測量算出ステップと、
消費電力削減要求が入力されたときに、この消費電力削減要求で要求されている消費電力削減量と、前記消費電力削減予測量算出ステップで算出された消費電力削減予測量と、前記負荷調整可能量取得ステップで取得された情報とから、前記設備負荷について消費電力削減レベルおよび削減継続時間を決定する削減レベル決定ステップと、
前記削減レベル決定ステップで決定された消費電力削減レベルおよび削減継続時間に基づいて、前記設備負荷に対する制御量を決定する負荷制御量決定ステップと、
を有することを特徴とする消費電力管理方法。 The power consumption management device installed in each building to be managed
A load adjustment possible amount acquisition step for acquiring a reduction continuation time capable of continuing the control with reduced power consumption for each of the plurality of power consumption reduction levels related to the equipment load;
A power consumption reduction prediction amount calculating step for calculating a power consumption reduction prediction amount predicted by a reduction continuation possible time for each of the plurality of power consumption reduction levels acquired in the load adjustable amount acquisition step;
When a power consumption reduction request is input, the power consumption reduction amount requested in the power consumption reduction request, the power consumption reduction prediction amount calculated in the power consumption reduction prediction amount calculation step, and the load adjustment are possible. A reduction level determination step for determining a power consumption reduction level and a reduction duration for the equipment load from the information acquired in the quantity acquisition step;
A load control amount determination step for determining a control amount for the facility load based on the power consumption reduction level and the reduction duration time determined in the reduction level determination step;
A power consumption management method comprising:
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