JP6227072B2 - 負荷識別データプロセッサを備えた電気ユーティリティメータ - Google Patents
負荷識別データプロセッサを備えた電気ユーティリティメータ Download PDFInfo
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- JP6227072B2 JP6227072B2 JP2016150991A JP2016150991A JP6227072B2 JP 6227072 B2 JP6227072 B2 JP 6227072B2 JP 2016150991 A JP2016150991 A JP 2016150991A JP 2016150991 A JP2016150991 A JP 2016150991A JP 6227072 B2 JP6227072 B2 JP 6227072B2
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- meter
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/06—Electricity, gas or water supply
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D4/00—Tariff metering apparatus
- G01D4/002—Remote reading of utility meters
- G01D4/004—Remote reading of utility meters to a fixed location
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D2204/00—Indexing scheme relating to details of tariff-metering apparatus
- G01D2204/20—Monitoring; Controlling
- G01D2204/24—Identification of individual loads, e.g. by analysing current/voltage waveforms
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/10—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods using digital techniques
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- 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
- Y04S20/30—Smart metering, e.g. specially adapted for remote reading
Description
本出願は、2010年8月10日に出願された米国仮特許出願第61/372,344号に基づくものであり、その優先権を主張する。
本開示は概略的には、電気メータの使用によって住宅又は商業環境における電気負荷の負荷の特徴を監視し、負荷の具体的な種類及び負荷それぞれの作動状態を識別するための方法及びシステムに関する。より詳しくは、本開示は、電気負荷の負荷の特徴を監視して、電気負荷の検査、分析、及び電気負荷の所有者・オペレータとの直接対話を可能にするために、その負荷それぞれに関する識別情報をシステムのオペレータ又は第三者に伝達する方法及びシステムに関する。
本開示では、負荷電流及び線間電圧のA/Dサンプリングを連続して実行する。サンプリング周波数は、>>60Hzであるが、調和解析及び非侵入型負荷監視(NILM)のために、4.096kS/sが好ましい。PLCのために、
これらのサンプルは、循環バッファ等に記憶される。「イベント」−ΔkW、ΔkVAR、停電(outage)、不足電圧、過電圧又は関心がある他の状況−が起きると、循環バッファは適当な数のイベント後のデータサンプルとともに、キャプチャレジスタにコピーされる。このデータは、フラッシュメモリに記憶されるか、あるいは以下に記載のアプリケーションで説明されているように、ある特徴を識別するために後処理される。
− HVAC障害
− iDRネガワット
− ビルのエネルギー管理
− バッドアクター検出器
− 配電一次側(Distribution Primary)
− オフィス機器の状態
− 変圧器の状態(Health)
− 配電の状態(Health)
− 負荷の種類識別子
− PHEVの負荷サイクル
− 課金、使用時間
− 「グローライト」の検出
− エネルギー窃盗の検出
− 盗まれたメータの所在を突き止める
− エネルギーアドバイザSWスイート
− 「ヴァンパイア又はファントム(Vampire or Phantom)」待機モードのコストアナライザ
− 故障した、過負荷ブレーカーの検出
− 変電所コントローラ/リレーロジック
− 白熱灯負荷トータライザ(蛍光灯(Florescent)のメリット)
− ピーク時禁止型負荷の削減
図1は、本開示に従って構成される改良型電気ユーティリティメータ10の一般的な概略図である。電気メータ10は、電気メータ10を介して供給され、住宅又は事業所によって消費される電気の量を監視するために、家庭やビジネス環境で使用することができる。典型的には、電気メータ10は電線接続部12と負荷接続部14の間に設けられている。電気メータは、電線接続部から負荷によって引き込まれている電流を検出する電流センサ16を有している。図1に示されているように、電流センサ16は、2つの異なる種類の電流センサのうちの1つとすることができる
4096ポイントFFT、2毎秒、0.5secオーバーラップで1.0secスパン(NILM及び診断)
29次調波をキャプチャ可(このスキームで最大34次検出可能)
フォンハンデータテーパウィンドウ(von Hann data taper window)の使用を強く推薦する
平滑な周波数のビンのみNILM使用のために保持される(2Hzから2046Hz)
4.096kS/s、16ビットから24ビットのI&Vバッファ
デシメーティングフィルタは、より高いサンプリングレートでの使用が求められる
4096ポイントFFTと同じADCsを使用する場合、サンプリングレートは、デシメーティングフィルタの性能を最適化するために4.096kS/sの整数倍でなくてはならない。
別のPLC
35〜90kHz帯で線間電圧を使用しているPLCは、IEC 61334、ERDF G3及びイベルドラ(Iberdrola)のPRIMEを含んでいる多数の規格(standards)をサポートすることができる。この高い周波数帯は、変圧器の二次側に限られるが、隣接してメータを配置するには最適である。より高い周波数はまた、NILM及び他の診断法に対する干渉を制限する。
キャプチャバッファ I&V、+/−20秒(停電時のNILM及び診断法)kWh,kVAR,回線周波数(計測μC及び/又は4096ポイントFFTアウトプットから取得)
電圧アーク/コロナ認識(4096ポイントFFTアウトプットから取得)
変圧器、絶縁体、リム
負荷及びライン側PLC
近隣メータのディスカバリPLC
合計された近隣メータのkWh
1ミリ秒精度のGPS タイムスタンプ
位相検出(ABC)
電流の遅れ/進み
変圧器飽和FFT(4096ポイントFFTアウトプットから取得)
負荷特徴ライブラリ
バッドアクター特徴ライブラリ
アーマチャのアーク
ベアリング障害
スタータキャップ障害
接触不良
ホームプラグPLCエミュレータスタック
エシュロンPLCエミュレータスタック
IEEE 802.15.4g
ZigBee
SEP2.0
6LoPan
FlexNet
IEEE 802.11.b(Wi−Fi)
C12.19テーブル
C12.18オプティカルポート
IPスタック:UDP、TCP、HTTP
エリプティック社セキュリティ(Elliptic Security)
メッシュ ルーチン ロジック+テーブル+ディスカバリ
バディ モード(Buddy Mode)
HAN負荷の状態テーブル
電力線を介した電気機器のID/状態(3相すべてのC&Iメータ検出)
Claims (1)
- 電気ユーティリティとともに使用するためのデータ処理システムであって、
顧客の建物(premises)に配置された電気メータと、
顧客の建物でのエネルギー使用情報を検出するために設けられた電流センサ及び電圧センサと、
前記電気メータ内に配置された記憶装置と、
前記記憶装置に保存された複数の処理アプリケーションと、
前記電気メータ内に収容されたデータプロセッサと、を備え、
前記データプロセッサは前記電流及び電圧センサから前記エネルギー使用情報を受信し、このエネルギー使用情報のデジタル信号処理を実行し、前記顧客の建物の1つ以上の電気負荷に関連する電気特性を分析及び/又は判断するためにこのエネルギー使用情報に基づいて前記処理アプリケーションの少なくとも1つを実行するように構成されていて、
前記電気メータ内に設けられた波形インジェクタをさらに備え、この波形インジェクタは前記電気メータに接続された電力線に沿ってテスト信号を送ることができ、
前記テスト信号の反射を監視し、前記電気負荷に関連する電気特性を判断する、ことを特徴とするデータ処理システム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US37234410P | 2010-08-10 | 2010-08-10 | |
US61/372,344 | 2010-08-10 |
Related Parent Applications (1)
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JP2013524117A Division JP6039555B2 (ja) | 2010-08-10 | 2011-08-04 | 負荷識別データプロセッサを備えた電気ユーティリティメータ |
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JP2017011991A JP2017011991A (ja) | 2017-01-12 |
JP6227072B2 true JP6227072B2 (ja) | 2017-11-08 |
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JP2013524117A Active JP6039555B2 (ja) | 2010-08-10 | 2011-08-04 | 負荷識別データプロセッサを備えた電気ユーティリティメータ |
JP2016150991A Active JP6227072B2 (ja) | 2010-08-10 | 2016-08-01 | 負荷識別データプロセッサを備えた電気ユーティリティメータ |
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JP2013524117A Active JP6039555B2 (ja) | 2010-08-10 | 2011-08-04 | 負荷識別データプロセッサを備えた電気ユーティリティメータ |
Country Status (8)
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US (1) | US20120041696A1 (ja) |
EP (1) | EP2603771A1 (ja) |
JP (2) | JP6039555B2 (ja) |
CN (1) | CN103180693A (ja) |
BR (1) | BR112013003213A2 (ja) |
CA (1) | CA2804012A1 (ja) |
MX (1) | MX2013000922A (ja) |
WO (1) | WO2012021372A1 (ja) |
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MX2013000922A (es) | 2013-04-03 |
JP2017011991A (ja) | 2017-01-12 |
US20120041696A1 (en) | 2012-02-16 |
CA2804012A1 (en) | 2012-02-16 |
EP2603771A1 (en) | 2013-06-19 |
CN103180693A (zh) | 2013-06-26 |
JP6039555B2 (ja) | 2016-12-07 |
BR112013003213A2 (pt) | 2016-05-17 |
WO2012021372A1 (en) | 2012-02-16 |
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