JP2012239378A - Ac電力グリッド監視方法およびシステム - Google Patents
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- H—ELECTRICITY
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- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
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- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
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Abstract
【解決手段】電力グリッド周波数検出および報告装置22、24、26のネットワークから集収された情報を使用することによって発電所16、18、20と、AC電力グリッドを具備する他のコンポーネントとのダイナミックな動作の実質的な実時間監視を可能にする。
【選択図】図3
Description
Claims (32)
- AC電力グリッドにおける複数の既知の監視位置でAC電力信号の電力信号周波数情報を実質的に実時間で獲得し、
電力グリッド事故が前記AC電力グリッドで生じたことを指示するために前記電力信号周波数情報を解析し、
前記電力信号周波数情報を使用して、電力グリッド事故の根源である電力グリッドコンポーネントを実質的に実時間で識別し、
ユーザが電力グリッド事故の根源を実質的に実時間で知ることができるように、根源の電力グリッドコンポーネントのアイデンティティをエンドユーザへ通信するステップを含んでいるAC電力グリッドのコンポーネントのダイナミックな動作の実質的な実時間監視のための方法。 - 電力信号周波数情報を獲得する前記ステップは、
周波数モニタを前記複数の既知の監視位置のそれぞれにおいて前記AC電力グリッドへ接続し、
各監視位置においてAC電力信号を記録し、
各前記記録されたAC電力信号を中央データセンタへ送信し、
各前記記録されたAC電力信号の周波数を決定する処理を含んでいる請求項1記載の方法。 - さらに、前記各電力グリッドコンポーネントに対して独占的に近接して少なくとも1つの周波数モニタが存在するように、前記既知の監視位置を選択する請求項2記載の方法。
- さらに、前記記録されたAC電力信号を時間情報で符合化する処理を含んでおり、前記根源の電力グリッドコンポーネントを識別する前記ステップは、
各周波数モニタからの前記符合化された時間情報を各電力グリッドコンポーネントに属するものとし、
電力グリッド事故の根源として電力グリッド事故に対する最も早期の時間情報に属する電力グリッドコンポーネントを識別するステップを含んでいる請求項3記載の方法。 - 前記周波数情報を解析するステップは、
正規の周波数分布を決定し、
前記正規の周波数分布からの周波数偏差警報境界を設定するステップを含んでいる請求項1記載の方法。 - 前記周波数情報を解析するステップは、周波数データ速度の変化の解析を行うステップを含んでいる請求項1記載の方法。
- 前記周波数情報を解析するステップは、周波数偏差パターンの認識を行うステップを含んでいる請求項1記載の方法。
- 電力グリッド事故の根源である電力グリッドコンポーネントを識別するステップは、前記電力信号周波数情報を前記AC電力グリッドのモデルと比較して、電力グリッド事故の根源である電力グリッドコンポーネントを識別する処理を含んでいる請求項1記載の方法。
- さらに前記AC電力グリッドモデルとして可能な事故のマトリックスを予め決定する処理を含んでいる請求項8記載の方法。
- 前記AC電力グリッドの前記モデルを精巧なものにするためにさらに付加的なAC電力グリッドのダイナミックな情報を使用する処理を含んでいる請求項9記載の方法。
- 電力グリッド事故の根源のコンポーネントのアイデンティティをエンドユーザに通信するステップは、さらに前記根源コンポーネントのアイデンティティをアクセス制御されたインターネットウェブサイトへ送信し、それによって共通のインターネットブラウザプログラムを通して前記エンドユーザに利用可能になる請求項1記載の方法。
- さらに、警報状態インジケータを各電力グリッドコンポーネントに割当て、
エンドユーザへの通信を決定するために前記警報状態インジケータを使用する処理を含んでいる請求項11記載の方法。 - さらに、前記電力信号周波数情報を使用して、電力グリッド事故の大きさおよびタイミングを実質的に実時間で決定し、
電力グリッド事故の大きさおよびタイミングを前記エンドユーザへ通信する処理を含んでいる請求項1記載の方法。 - さらに、前記根源のコンポーネントの識別および大きさの決定を前記電力グリッドコンポーネントについての既知の大きさ情報と比較することによって、前記電力グリッド事故の根源コンポーネントの識別を確認し、それによって前記コンポーネントの識別と大きさの決定の確実性を増加させる請求項13記載の方法。
- さらに、前記既知の監視位置を1組の電力グリッドコンポーネントの実質的に特有の識別を行うように選択する請求項1記載の方法。
- さらに、前記既知の監視位置を減少した数の位置が1組の電力グリッドコンポーネントの実質的に特有の識別を行うように選択する請求項1記載の方法。
- さらに、少なくとも1つの既知の位置を前記少なくとも1つの既知の位置が特定の電力グリッドコンポーネントの実質的に特有の識別を行うように選択する請求項1記載の方法。
- さらに、関係している電力信号周波数情報に関する情報を累積し、
特性によって関係している電力信号周波数情報を分類し、
前記電力信号周波数情報の特性分類によって電力グリッド事故を検出するためのアルゴリズムを規定する処理を含んでいる請求項1記載の方法。 - AC電力グリッドのコンポーネントのダイナミックな動作の実質的に実時間監視を行うシステムにおいて、
既知の位置で電力信号周波数情報を得るためその既知の監視位置において前記AC電力グリッドにそれぞれ接続されている複数の電力システム周波数モニタと、
中央データセンタとを具備し、
前記中央データセンタは、
各前記周波数モニタから前記電力信号周波数情報を実質的に実時間で受信し、
電力グリッド事故が前記AC電力グリッドで発生したことの指示に対して前記電力信号周波数情報を解析し、
前記電力グリッド事故の根源である電力グリッドコンポーネントを実質的に実時間で識別し、
その根源の電力グリッドコンポーネントのアイデンティティをエンドユーザに通知し、前記エンドユーザが電力グリッド事故を生じている根源の電力グリッドコンポーネントのアイデンティティを実質的に実時間で知ることを可能にしているシステム。 - 各周波数モニタは各位置でAC電力信号を記録し、その記録されたAC電力信号を中央データセンタへ送信し、中央データセンタはそれぞれ記録されたAC電力信号の周波数を決定する請求項19記載のシステム。
- 既知の監視位置は各電力グリッドコンポーネントに独占的に近接して少なくとも1つの周波数モニタが存在するように選択されている請求項20記載のシステム。
- 各周波数モニタは記録されたAC電力信号を時間情報で符合化し、前記中央データセンタは電力グリッド事故の根源として電力グリッド事故の最も早期の時間情報を有する周波数モニタに独占的に近接している電力グリッドコンポーネントを識別する請求項21記載のシステム。
- 既知の監視位置は、1組の電力グリッドコンポーネントの実質的に特有の識別を行うように選択されている請求項19記載のシステム。
- 既知の監視位置は、減少された数の位置が1組の電力グリッドコンポーネントの実質的に特有の識別を行うように選択されている請求項19記載のシステム。
- 少なくとも1つの既知の監視位置は、少なくとも1つの既知の位置が特定の電力グリッドコンポーネントの実質的に特有の識別を行うように選択されている請求項19記載のシステム。
- 前記中央データセンタは前記AC電力グリッドのモデルを有し、前記中央データセンタはさらに前記各周波数モニタからの前記電力信号周波数情報を前記AC電力グリッドの前記モデルに対して比較して、電力グリッドの事故の根源のコンポーネントを識別する請求項19記載のシステム。
- 前記AC電力グリッドの前記モデルは、可能な事故の予め定められたマトリックスを含んでいる請求項26記載のシステム。
- さらに、インターネットブラウザプログラムを通してアクセス可能なアクセス制御されたインターネットウェブサイトを含み、前記中央データセンタはさらに前記電力グリッドの事故の根源のコンポーネントのアイデンティティを前記ウェブサイトへ送信する請求項19記載のシステム。
- 前記中央データセンタはさらに、
前記電力信号周波数情報を使用して、電力グリッド事故の大きさおよびタイミングを実質的に実時間で決定し、
電力グリッド事故の大きさおよびタイミングを前記エンドユーザへ通知する請求項19記載のシステム。 - さらに前記電力グリッドコンポーネントについての既知の大きさ情報を含んでいるデータベースを具備し、前記中央データセンタはさらに根源のコンポーネントの識別および大きさの決定を前記電力グリッドコンポーネントについての前記既知の大きさ情報と比較することによって、電力グリッド事故の根源のコンポーネントの識別を確認し、それによって前記根源コンポーネント識別の確実性を増加させる請求項29記載のシステム。
- さらに関係する電力信号周波数情報を記憶するためのデータベースを具備し、前記中央データセンタはさらに、
関係する電力信号周波数情報を記憶するための前記データベース中に関係する電力信号周波数情報に関する情報を累積し、
特性によって関係する電力信号周波数情報を分類し、
前記電力信号周波数情報特性の分類によって電力グリッド事故を検出するためのアルゴリズムを規定する請求項19記載のシステム。 - 前記エンドユーザは前記電力グリッドコンポーネントのダイナミックな動作についての実質的に実時間情報に他の方法ではアクセスしない請求項19記載のシステム。
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9851409B2 (en) | 2015-03-10 | 2017-12-26 | Lsis Co., Ltd. | Energy storage device controlling method and power management system |
US9934591B2 (en) | 2016-04-08 | 2018-04-03 | Orbital Insight, Inc. | Remote determination of quantity stored in containers in geographical region |
US10217236B2 (en) | 2016-04-08 | 2019-02-26 | Orbital Insight, Inc. | Remote determination of containers in geographical region |
Families Citing this family (71)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7072801B2 (en) * | 2003-12-12 | 2006-07-04 | Bellsouth Intellectual Property Corp. | Remote generator fuel monitoring system |
US7519454B2 (en) * | 2005-12-12 | 2009-04-14 | Virginia Tech Intellectual Properties, Inc. | Location determination of power system disturbances based on frequency responses of the system |
US20160246905A1 (en) | 2006-02-14 | 2016-08-25 | Power Analytics Corporation | Method For Predicting Arc Flash Energy And PPE Category Within A Real-Time Monitoring System |
US20170046458A1 (en) | 2006-02-14 | 2017-02-16 | Power Analytics Corporation | Systems and methods for real-time dc microgrid power analytics for mission-critical power systems |
US9557723B2 (en) | 2006-07-19 | 2017-01-31 | Power Analytics Corporation | Real-time predictive systems for intelligent energy monitoring and management of electrical power networks |
US9092593B2 (en) | 2007-09-25 | 2015-07-28 | Power Analytics Corporation | Systems and methods for intuitive modeling of complex networks in a digital environment |
US8036872B2 (en) * | 2006-03-10 | 2011-10-11 | Edsa Micro Corporation | Systems and methods for performing automatic real-time harmonics analyses for use in real-time power analytics of an electrical power distribution system |
US8959006B2 (en) * | 2006-03-10 | 2015-02-17 | Power Analytics Corporation | Systems and methods for automatic real-time capacity assessment for use in real-time power analytics of an electrical power distribution system |
US8126685B2 (en) * | 2006-04-12 | 2012-02-28 | Edsa Micro Corporation | Automatic real-time optimization and intelligent control of electrical power distribution and transmission systems |
US20070253560A1 (en) * | 2006-05-01 | 2007-11-01 | Yakov Topor | System And Method For Spotting Unexpected Noise For Forecasting Aberrant Events |
US20080040295A1 (en) * | 2006-08-10 | 2008-02-14 | V2 Green, Inc. | Power Aggregation System for Distributed Electric Resources |
ITTO20070016A1 (it) * | 2007-01-11 | 2008-07-12 | Indesit Co Spa | Metodo per la misura della frequenza di rete ed utenza elettrica che implementa tale metodo |
US9003211B2 (en) * | 2007-03-20 | 2015-04-07 | Power Assure, Inc. | Method and apparatus for holistic power management to dynamically and automatically turn servers, network equipment and facility components on and off inside and across multiple data centers based on a variety of parameters without violating existing service levels |
US9136711B2 (en) | 2007-08-21 | 2015-09-15 | Electro Industries/Gauge Tech | System and method for synchronizing multiple generators with an electrical power distribution system |
US7877169B2 (en) * | 2007-08-21 | 2011-01-25 | Electro Industries/ Gauge Tech | System and method for synchronizing an auxiliary electrical generator to an electrical system |
WO2009037163A2 (en) | 2007-09-17 | 2009-03-26 | Ably As | Method and apparatus for monitoring power transmission |
US9702923B2 (en) | 2007-09-17 | 2017-07-11 | Pål Even Gaarder | Method and apparatus for monitoring electric power transmission, disturbances and forecasts |
US7848897B2 (en) | 2008-01-30 | 2010-12-07 | Southern Company Services, Inc. | Dynamic real-time power system monitoring |
US7970561B2 (en) | 2008-04-14 | 2011-06-28 | Power Assure, Inc. | Method to calculate energy efficiency of information technology equipment |
US7839027B2 (en) * | 2008-10-09 | 2010-11-23 | The Aes Corporation | Frequency responsive charge sustaining control of electricity storage systems for ancillary services on an electrical power grid |
US20100141463A1 (en) * | 2008-12-10 | 2010-06-10 | Schweitzer Engineering Laboratories, Inc. | Providing price and service information to electric power customers |
US20110082597A1 (en) | 2009-10-01 | 2011-04-07 | Edsa Micro Corporation | Microgrid model based automated real time simulation for market based electric power system optimization |
US8416133B2 (en) * | 2009-10-15 | 2013-04-09 | Navcom Technology, Inc. | System and method for compensating for faulty measurements |
WO2011056144A1 (en) * | 2009-11-06 | 2011-05-12 | Nanyang Polytechnic | Fault signature-based case library system and method for power system trouble-shooting and recovery |
US8352092B2 (en) * | 2009-11-17 | 2013-01-08 | International Business Machines Corporation | Method and system for workload balancing to assist in power grid load management |
US9217775B2 (en) | 2010-06-07 | 2015-12-22 | Abb Research Ltd. | Systems and methods for characterizing fault clearing devices |
US8659286B2 (en) | 2010-07-02 | 2014-02-25 | Brett S Reynolds | Apparatus for calibrated non-invasive measurement of electrical current |
US8965592B2 (en) * | 2010-08-24 | 2015-02-24 | Schweitzer Engineering Laboratories, Inc. | Systems and methods for blackout protection |
US8560134B1 (en) | 2010-09-10 | 2013-10-15 | Kwangduk Douglas Lee | System and method for electric load recognition from centrally monitored power signal and its application to home energy management |
US20120265355A1 (en) | 2011-04-15 | 2012-10-18 | Power Tagging Technologies, Inc. | System and method for single and multizonal optimization of utility services delivery and utilization |
US8831788B2 (en) | 2011-04-20 | 2014-09-09 | General Electric Company | Systems, methods, and apparatus for maintaining stable conditions within a power grid |
CA2874132A1 (en) | 2011-06-09 | 2013-01-17 | Dominion Energy Technologies, Inc. | System and method for grid based cyber security |
US9380545B2 (en) | 2011-08-03 | 2016-06-28 | Astrolink International Llc | System and methods for synchronizing edge devices on channels without carrier sense |
US20130054987A1 (en) * | 2011-08-29 | 2013-02-28 | Clemens Pfeiffer | System and method for forcing data center power consumption to specific levels by dynamically adjusting equipment utilization |
US9202168B2 (en) | 2012-01-26 | 2015-12-01 | Abb Research Ltd. | Method and system for multi-IED event zone identification in an electrical grid |
CN104285153A (zh) | 2012-03-13 | 2015-01-14 | 阿博利公司 | 用于监控电力传输、扰动和预测的方法和设备 |
US9234246B1 (en) * | 2012-04-11 | 2016-01-12 | Google Inc. | Decentralized electrical load shedding |
US9634522B2 (en) | 2012-09-19 | 2017-04-25 | International Business Machines Corporation | Power grid data monitoring and control |
US10097240B2 (en) | 2013-02-19 | 2018-10-09 | Astrolink International, Llc | System and method for inferring schematic and topological properties of an electrical distribution grid |
US10231206B2 (en) * | 2013-03-15 | 2019-03-12 | DGS Global Systems, Inc. | Systems, methods, and devices for electronic spectrum management for identifying signal-emitting devices |
WO2014185921A1 (en) * | 2013-05-16 | 2014-11-20 | Schneider Electric USA, Inc. | Systems and methods for meter placement in power grid networks |
GB2514415A (en) * | 2013-05-24 | 2014-11-26 | Ralugnis As | Method and apparatus for monitoring power grid parameters |
US9438312B2 (en) | 2013-06-06 | 2016-09-06 | Astrolink International Llc | System and method for inferring schematic relationships between load points and service transformers |
MX357831B (es) | 2013-06-13 | 2018-07-26 | Astrolink Int Llc | Perdidas no tecnicas en una rejilla electrica publica. |
EP3008829B1 (en) * | 2013-06-13 | 2019-08-07 | Astrolink International LLC | Inferring feeder and phase powering a transmitter |
CN103678876A (zh) * | 2013-11-12 | 2014-03-26 | 国家电网公司 | 一种配电网线损在线计算方法 |
CA2964393A1 (en) | 2014-10-30 | 2016-05-06 | Dominion Energy Technologies, Inc. | System, method, and apparatus for grid location |
WO2016070104A1 (en) | 2014-10-30 | 2016-05-06 | Bernheim Henrik Fernand | System and methods for assigning slots and resolving slot conflicts in an electrical distribution grid |
GB2531787A (en) * | 2014-10-31 | 2016-05-04 | Isra-Juk Electronics Ltd | System and method for detection of electrical faults in an electrical network |
CN104360244A (zh) * | 2014-11-07 | 2015-02-18 | 华北电力大学 | 一种固态变压器局部放电在线监测方法 |
US10175276B2 (en) | 2014-11-26 | 2019-01-08 | Sense Labs, Inc. | Identifying and categorizing power consumption with disaggregation |
US9152737B1 (en) | 2014-11-26 | 2015-10-06 | Sense Labs, Inc. | Providing notifications to a user |
US9923778B2 (en) | 2015-03-23 | 2018-03-20 | Utopus Insights, Inc. | Network management based on assessment of topological robustness and criticality of assets |
CA3014247A1 (en) * | 2016-02-11 | 2017-08-17 | Live Power Intelligence Company Na, Llc | System and method of power grid monitoring |
WO2018071239A1 (en) * | 2016-10-14 | 2018-04-19 | Thomson Licensing | Devices, systems and methods for power line endpoint identification |
US10459020B2 (en) | 2017-01-23 | 2019-10-29 | DGS Global Systems, Inc. | Systems, methods, and devices for automatic signal detection based on power distribution by frequency over time within a spectrum |
US10750252B2 (en) * | 2017-02-22 | 2020-08-18 | Sense Labs, Inc. | Identifying device state changes using power data and network data |
US9699529B1 (en) * | 2017-02-22 | 2017-07-04 | Sense Labs, Inc. | Identifying device state changes using power data and network data |
US9800958B1 (en) | 2017-02-22 | 2017-10-24 | Sense Labs, Inc. | Training power models using network data |
EP3602715A1 (en) * | 2017-03-31 | 2020-02-05 | Siemens Aktiengesellschaft | System, method and a computer program product for an improved fault analysis in an electrical power system |
CN108599195B (zh) * | 2018-04-27 | 2021-06-01 | 国电南瑞科技股份有限公司 | 一种考虑电力系统频率分布特性的频率紧急控制方法 |
US10943461B2 (en) | 2018-08-24 | 2021-03-09 | Digital Global Systems, Inc. | Systems, methods, and devices for automatic signal detection based on power distribution by frequency over time |
US10740691B2 (en) | 2018-10-02 | 2020-08-11 | Sense Labs, Inc. | Identifying devices connected to a smart plug |
US11527891B2 (en) * | 2018-12-20 | 2022-12-13 | The George Washington University | Smart sensor for online situational awareness in power grids |
USD944731S1 (en) | 2019-07-11 | 2022-03-01 | Sense Labs, Inc. | Electrical current sensor |
US11536747B2 (en) | 2019-07-11 | 2022-12-27 | Sense Labs, Inc. | Current transformer with self-adjusting cores |
CN111768077B (zh) * | 2020-05-28 | 2023-12-01 | 国网浙江省电力有限公司绍兴供电公司 | 一种基于知识图谱的电网跳闸事件智能识别方法 |
US11211538B1 (en) | 2020-12-23 | 2021-12-28 | Joseph L. Pikulski | Thermal management system for electrically-powered devices |
US20220244298A1 (en) * | 2021-01-29 | 2022-08-04 | Korea University Research And Business Foundation | Device and method for extracting electric network frequency |
EP4057468A1 (en) * | 2021-03-12 | 2022-09-14 | Hitachi Energy Switzerland AG | Control method, computer program product, control system & use |
US20230283063A1 (en) * | 2022-03-02 | 2023-09-07 | Drg Technical Solutions, Llc | Systems and methods of circuit protection |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61199418A (ja) * | 1985-02-28 | 1986-09-03 | 三菱電機株式会社 | 配電系統の保護装置 |
JPH01164224A (ja) * | 1987-12-18 | 1989-06-28 | Mitsubishi Electric Corp | 発電機の原動機保護装置 |
JPH07284181A (ja) * | 1994-04-04 | 1995-10-27 | Nissin Electric Co Ltd | 遠方監視制御装置 |
JPH08223800A (ja) * | 1995-02-14 | 1996-08-30 | Toshiba Corp | 連系系統の事故検出装置 |
JP2002345173A (ja) * | 2001-03-12 | 2002-11-29 | Toshiba Corp | 変電所事故情報伝達システム |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6496342B1 (en) * | 1999-02-12 | 2002-12-17 | Bitronics Inc. | Distributed monitoring and protection system for a distributed power network |
US6714000B2 (en) * | 1999-06-14 | 2004-03-30 | Genscape, Inc. | Method for monitoring power and current flow |
US20010040446A1 (en) * | 2000-04-13 | 2001-11-15 | Sterling Lapinksi | Apparatus and method for the measurement and monitoring of electrical power generation and transmission |
US20040010350A1 (en) | 2000-05-31 | 2004-01-15 | Per-Anders Lof | Distributed power generation system protection scheme |
US6671654B1 (en) * | 2000-11-28 | 2003-12-30 | Power Measurement Ltd. | Apparatus and method for measuring and reporting the reliability of a power distribution system |
US7154722B1 (en) * | 2001-09-05 | 2006-12-26 | Abb Technology Ag | Loop control for distribution systems |
EP1479145B1 (en) * | 2002-02-25 | 2014-11-05 | General Electric Company | Integrated protection, monitoring and control system |
US7110231B1 (en) * | 2002-08-30 | 2006-09-19 | Abb Inc. | Adaptive protection system for a power-distribution network |
US7233843B2 (en) * | 2003-08-08 | 2007-06-19 | Electric Power Group, Llc | Real-time performance monitoring and management system |
US7519454B2 (en) * | 2005-12-12 | 2009-04-14 | Virginia Tech Intellectual Properties, Inc. | Location determination of power system disturbances based on frequency responses of the system |
-
2005
- 2005-04-19 US US11/109,149 patent/US7571028B2/en active Active
- 2005-04-20 EP EP05737558.6A patent/EP1875322B1/en active Active
- 2005-04-20 AU AU2005330673A patent/AU2005330673B2/en active Active
- 2005-04-20 CA CA2604475A patent/CA2604475C/en active Active
- 2005-04-20 WO PCT/US2005/013213 patent/WO2006112839A1/en active Application Filing
- 2005-04-20 JP JP2008507606A patent/JP2008537468A/ja not_active Withdrawn
-
2012
- 2012-07-06 JP JP2012152320A patent/JP5425978B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61199418A (ja) * | 1985-02-28 | 1986-09-03 | 三菱電機株式会社 | 配電系統の保護装置 |
JPH01164224A (ja) * | 1987-12-18 | 1989-06-28 | Mitsubishi Electric Corp | 発電機の原動機保護装置 |
JPH07284181A (ja) * | 1994-04-04 | 1995-10-27 | Nissin Electric Co Ltd | 遠方監視制御装置 |
JPH08223800A (ja) * | 1995-02-14 | 1996-08-30 | Toshiba Corp | 連系系統の事故検出装置 |
JP2002345173A (ja) * | 2001-03-12 | 2002-11-29 | Toshiba Corp | 変電所事故情報伝達システム |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9851409B2 (en) | 2015-03-10 | 2017-12-26 | Lsis Co., Ltd. | Energy storage device controlling method and power management system |
US9934591B2 (en) | 2016-04-08 | 2018-04-03 | Orbital Insight, Inc. | Remote determination of quantity stored in containers in geographical region |
US10192323B2 (en) | 2016-04-08 | 2019-01-29 | Orbital Insight, Inc. | Remote determination of containers in geographical region |
US10217236B2 (en) | 2016-04-08 | 2019-02-26 | Orbital Insight, Inc. | Remote determination of containers in geographical region |
US10319107B2 (en) | 2016-04-08 | 2019-06-11 | Orbital Insight, Inc. | Remote determination of quantity stored in containers in geographical region |
US10607362B2 (en) | 2016-04-08 | 2020-03-31 | Orbital Insight, Inc. | Remote determination of containers in geographical region |
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EP1875322A4 (en) | 2014-03-19 |
AU2005330673A1 (en) | 2006-10-26 |
CA2604475A1 (en) | 2006-10-26 |
AU2005330673B2 (en) | 2010-08-26 |
JP5425978B2 (ja) | 2014-02-26 |
JP2008537468A (ja) | 2008-09-11 |
EP1875322A1 (en) | 2008-01-09 |
US7571028B2 (en) | 2009-08-04 |
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WO2006112839A1 (en) | 2006-10-26 |
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