JP5763407B2 - 異常検出装置、およびこの異常検出装置を備えた発電システム - Google Patents
異常検出装置、およびこの異常検出装置を備えた発電システム Download PDFInfo
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- JP5763407B2 JP5763407B2 JP2011104142A JP2011104142A JP5763407B2 JP 5763407 B2 JP5763407 B2 JP 5763407B2 JP 2011104142 A JP2011104142 A JP 2011104142A JP 2011104142 A JP2011104142 A JP 2011104142A JP 5763407 B2 JP5763407 B2 JP 5763407B2
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
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Description
1 太陽電池
2 直流開閉器
3、3’ パワーコンディショナ(変換装置)
31 昇圧コンバータ
32 インバータ
33 電圧センサ
34 制御装置(異常検出装置)
341 日射強度比較部(検出値比較手段)
342 入力電圧比較部(入力電圧判別手段)
4、4’ 監視制御装置
41 制御部(異常検出装置)
411 日射強度比較部(検出値比較手段)
412 入力電圧比較部(入力電圧判別手段)
42 報知部
5 日射計
B 電力系統
Claims (6)
- 電源の接続を開閉する開閉器を備えている発電システムにおいて異常が発生したことを検出する異常検出装置であって、
所定のセンサによって検出された検出値と所定値とを比較する検出値比較手段と、
前記検出値比較手段の比較結果に応じて、前記電源からの入力電圧が所定電圧より小さいか否かを判別し、前記所定電圧以上であると判別した場合に、前記所定電圧より大きい第2の所定電圧より小さいか否かをさらに判別する入力電圧判別手段と、
を備え、
前記入力電圧判別手段によって前記入力電圧が前記所定電圧より小さいと判別された場合に、前記開閉器に開放異常が発生したことを検出し、
前記入力電圧判別手段によって前記入力電圧が前記所定電圧以上で前記第2の所定電圧より小さいと判別された場合に、前記電源の異常が発生したことを検出する、
ことを特徴とする異常検出装置。 - 前記発電システムには、複数の前記電源と前記開閉器とが備えられており、
前記入力電圧判別手段は、前記各電源からの入力電圧をそれぞれ前記所定電圧および前記第2の所定電圧と比較し、
前記入力電圧判別手段によって前記入力電圧が前記所定電圧より小さいと判別された電源の接続を開閉する開閉器に開放異常が発生したことを検出し、
前記入力電圧判別手段によって前記入力電圧が前記所定電圧以上で前記第2の所定電圧より小さいと判別された電源の異常が発生したことを検出する、
請求項1に記載の異常検出装置。 - 前記発電システムには前記電源から入力される電力を変換する変換装置が備えられており、
当該変換装置の内部に備えられている、
請求項1または2に記載の異常検出装置。 - 前記発電システムには前記電源から入力される電力を変換する変換装置と、前記変換装置との間で通信を行う監視制御装置とが備えられており、
当該監視制御装置に備えられている、
請求項1または2に記載の異常検出装置。 - 前記電源は太陽電池であり、
前記検出値比較手段は、日射計によって検出された日射強度を所定の日射強度と比較し、
前記入力電圧判別手段は、前記日射強度が前記所定の日射強度より大きい場合に判別を行う、
請求項1ないし4のいずれかに記載の異常検出装置。 - 前記電源と、請求項1ないし5のいずれかに記載の異常検出装置とを備えていることを特徴とする、発電システム。
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JP2012235658A JP2012235658A (ja) | 2012-11-29 |
JP5763407B2 true JP5763407B2 (ja) | 2015-08-12 |
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JP4552536B2 (ja) * | 2004-07-06 | 2010-09-29 | パナソニック株式会社 | 独立電源装置 |
JP4703202B2 (ja) * | 2005-02-02 | 2011-06-15 | シャープ株式会社 | 太陽光発電装置および接続制御装置 |
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