JP2011094620A - タービン運転劣化判定システム及び方法 - Google Patents
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Abstract
【解決手段】少なくとも1つのタービン(60)の財務リスクモデルを作成するシステムは、1以上のタービンの動作特性を記憶するデータベース(401)と、データベースに結合され、該データベースから情報を受け取り、財務リスク判定を作成する処理モジュール(402)とを含む。処理モジュールは、性能データを受け取り、これからモデルを作成する性能劣化モデラー(416)と、性能劣化モデラーに結合され、該性能劣化モデラーから受け取ったモデルに基づき契約に対する財務エクスポージャを決定する財務リスク計算機(424)とを含む。
【選択図】 図4
Description
上式において、f(hr)は熱消費率劣化の正規分布、μは平均値、σは標準偏差、a,b及びcは更新することができるスケール変数、Hr_Degは熱消費率劣化であり、Hoursは、最終洗浄又はメンテナンスからの燃焼時間数、CPRは圧縮比である。Hours変数は、μについての上式で必要とされるが、他の変数も利用可能であり、或いは利用可能でない場合もある。
52 圧縮機
54 燃焼器
56 タービン
60 タービンシステム
62 センサ
64 アナライザ
66 追加の情報
68 異常検出
70 リスクレポート
100 処理システム
101 システムプロセッサ
102 メモリ(ROM)
103 ハードディスク
104 大容量記憶装置
105 記憶装置
106 ネットワークアダプタ
107 入力/出力アダプタ
108 インタフェースアダプタ
109 キーボード
110 マウス
111 スピーカ
112 ディスプレイアダプタ
113 システムバス
114 システムメモリ
115 ディスプレイモニタ
116 外部ネットワーク
120 ソフトウェア
132 タグ
400 システム
401 データベース
402 処理モジュール
403 センサ
404 主力
406 データ妥当性確認部
408 モデル化モジュール
410 フィルタ処理モジュール
412 正規化モジュール
414 後処理モジュール
416 性能劣化モデラ
418 図表モジュール
420 変化検出器
422 異常検出器
424 リスク算出器
Claims (9)
- 少なくとも1つのタービン(60)について財務リスクモデルを作成するシステムであって、
1以上のタービンの動作特性を記憶するデータベース(401)と、
前記データベースに結合され、前記データベースから情報を受け取り、財務リスク判定を作成する処理モジュール(402)と、
を備え、前記処理モジュールが、
性能データを受け取り、これからモデルを作成する性能劣化モデラー(416)と、
前記性能劣化モデラーに結合され、該性能劣化モデラーから受け取ったモデルに基づき契約に対する財務エクスポージャを決定する財務リスク計算機(424)と
を含むシステム。 - 前記処理モジュールが更に、前記データベースから受け取った情報をパラメータの経時的表現に変換するモデル化モジュール(408)を更に含む、請求項1記載のシステム。
- 前記パラメータが熱消費率である、請求項2記載のシステム。
- 前記処理モジュールが更に、前記モデル化モジュールにより作成された表示をフィルタ処理してフィルタ処理表示を作成するフィルタ処理モジュール(410)を含む、請求項2記載のシステム。
- 前記フィルタ処理モジュールが、動作モードフィルタ又はデータ平滑フィルタ、或いはその両方を適用する、請求項4記載のシステム。
- 前記処理モジュールが更に、前記フィルタ処理モジュールに結合され、物理ベースの補正に基づいたフィルタ処理表示を正規化し、その出力が性能データである正規化モジュール(412)を含む、請求項4記載のシステム。
- 前記パラメータが、熱消費率及び出力である、請求項6記載のシステム。
- 性能パラメータの変化に基づいて、タービンについての1以上の可能な動作異常を判断する異常検出器’(122)を更に含む、請求項1記載のシステム。
- 前記性能劣化モデラーは、前記モデルが1以上の時間期間に適合しないときに更新アルゴリズムを適用する、請求項1記載のシステム。
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IN2248/DEL/2009 | 2009-10-30 | ||
IN2248DE2009 | 2009-10-30 |
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JP2011094620A true JP2011094620A (ja) | 2011-05-12 |
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US (1) | US20110106680A1 (ja) |
EP (1) | EP2317461A1 (ja) |
JP (1) | JP5715377B2 (ja) |
CN (1) | CN102054218A (ja) |
Cited By (5)
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JP2013238197A (ja) * | 2012-05-17 | 2013-11-28 | Tokyo Electric Power Co Inc:The | タービン補修方法 |
JP2015049246A (ja) * | 2013-09-03 | 2015-03-16 | ゼネラル・エレクトリック・カンパニイ | 回転部品を監視するためのシステムおよび方法 |
JP2017172391A (ja) * | 2016-03-22 | 2017-09-28 | 三菱日立パワーシステムズ株式会社 | ガスタービンの特性評価装置及びガスタービンの特性評価方法 |
JP2017198352A (ja) * | 2016-04-25 | 2017-11-02 | 東京電力ホールディングス株式会社 | 廃棄物発電プラントの性能劣化判断方法 |
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CN102054218A (zh) | 2011-05-11 |
EP2317461A1 (en) | 2011-05-04 |
US20110106680A1 (en) | 2011-05-05 |
JP5715377B2 (ja) | 2015-05-07 |
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