JP7095962B2 - 光発電システム用安全スイッチ - Google Patents
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/02016—Circuit arrangements of general character for the devices
- H01L31/02019—Circuit arrangements of general character for the devices for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/02021—Circuit arrangements of general character for the devices for devices characterised by at least one potential jump barrier or surface barrier for solar cells
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/20—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for electronic equipment
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/36—Electrical components characterised by special electrical interconnection means between two or more PV modules, e.g. electrical module-to-module connection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
- H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/008—Intrinsically safe circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
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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
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Emergency Protection Circuit Devices (AREA)
- Photovoltaic Devices (AREA)
- Safety Devices In Control Systems (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Description
本出願は、全体が参照によって本明細書に組み込まれる、"Safety Switch for Photovoltaic Systems"と題され、2016年に8月29日に出願された、米国非仮特許出願第15/250,068号の優先権を主張する。本出願は、さらに、全体が参照によって本明細書に組み込まれる、"Optimizer Garland"と題され、2016年4月5日に出願された、米国特許出願第62/318,303号、及び"Photovoltaic Power Device"と題され、2016年5月25日に出願された、米国特許出願第62/341,147号に関連する。
Claims (15)
- 第1の電源に接続可能である、第1の電気伝導体と、
第2の電源に接続可能である、第2の電気伝導体と、
前記第1の電気伝導体と前記第2の電気伝導体との間に直列に連結されている、スイッチング素子と、
前記スイッチング素子の制御端子に連結された制御器であって、前記スイッチング素子をオン状態に制御して前記第1の電気伝導体を前記第2の電気伝導体に接続すると共に、危険な状態の可能性の表示に反応して、前記スイッチング素子をオフ状態に制御して前記第1の電気伝導体を前記第2の電気伝導体から切断する、制御器と、
前記スイッチング素子と並列に連結され、かつ前記第1の電気伝導体及び前記第2の電気伝導体の間に連結される補助電力回路と、を備える、装置。 - 前記第1の電源は、第1の光発電装置を有し、前記第2の電源は、第2の光発電装置を有する、請求項1に記載の装置。
- 前記第1の電源及び前記第2の電源は、前記スイッチング素子がオン状態の場合に直列に接続され、
前記第1の電源及び前記第2の電源は、前記スイッチング素子がオフ状態の場合に切断される、請求項1または2に記載の装置。 - 前記制御器に連結されたセンサをさらに備え、前記センサは、1つ以上の電気パラメータを測定し、1つ以上の測定値を前記制御器に提供し、
前記1つ以上の測定値は、前記危険な状態の可能性を示す、請求項1から3の何れか1項に記載の装置。 - 前記制御器に連結された通信デバイスをさらに備え、前記通信デバイスは、前記1つ以上の測定値を受信し、システム制御デバイスに前記1つ以上の測定値を提供する、請求項4に記載の装置。
- 前記通信デバイスが、電力ライン通信デバイス、または、無線通信デバイスのうちの少なくとも1つを備える、請求項5に記載の装置。
- 前記センサが電流センサであり、前記危険な状態の可能性の前記表示は、高電流の測定値、電流の変化を示す測定値、または、他の電気パラメータとの不整合を示す測定値の少なくとも1つを含む、請求項4に記載の装置。
- 前記スイッチング素子に並列に連結された抵抗器をさらに備える、請求項1から7の何れか1項に記載の装置。
- 制御器によって、補助電力回路によって提供された動作電力を受信することと、
安全スイッチ及び複数の電源を備え、前記安全スイッチが第1の電気伝導体と第2の電気伝導体との間に直列に連結され、前記第1の電気伝導体が前記複数の電源のうちの第1の電源に接続され前記第2の電気伝導体が前記複数の電源のうちの第2の電源に接続された発電設備において、前記制御器によって、危険な状態の可能性を検出することと、
前記危険な状態の可能性の前記検出に応じて、前記制御器によって、前記安全スイッチを制御して、前記第1の電気伝導体を前記第2の電気伝導体から切断することと、
前記制御器によって、前記危険な状態の可能性が解決されたことを判定することと、
前記判定に応じて、前記制御器によって、前記安全スイッチを制御して、前記第1の電気伝導体を前記第2の電気伝導体に接続することと、
前記補助電力回路を、前記安全スイッチと並列であって、かつ前記第1の電気伝導体及び前記第2の電気伝導体の間に連結することと、を含む、方法。 - 前記安全スイッチを制御して前記第1の電気伝導体を前記第2の電気伝導体から切断することは、前記安全スイッチの1つのスイッチング素子をオフ状態の位置に設定することを含み、
前記安全スイッチを制御して前記第1の電気伝導体を前記第2の電気伝導体に接続することは、前記スイッチング素子をオン状態の位置に設定することを含む、請求項9に記載の方法。 - 前記危険な状態の可能性を検出することが、電気パラメータ測定値を受信することと、前記電気パラメータ測定値が前記危険な状態の可能性を示すことを判定することと、を含む、請求項9または10に記載の方法。
- 前記電気パラメータ測定値を受信することが、電流測定値を受信することを含み、
前記危険な状態の可能性を示す前記電気パラメータ測定値は、高電流の測定値、電流の変化を示す前記電流測定値、または、他の電気パラメータとの不整合を示す前記電流測定値の少なくとも1つを含む、請求項11に記載の方法。 - 前記危険な状態の可能性が解決されたことを判定することが、システム制御デバイスから通信デバイスを介して命令を受信することを含む、請求項9から12の何れか1項に記載の方法。
- 前記制御器によって、システム制御デバイスからキープアライブ信号を受信することをさらに含み、
前記制御器によって前記危険な状態の可能性を検出することは、前記キープアライブ信号を受信しないこと含む、請求項9から13の何れか1項に記載の方法。 - 前記補助電力回路は接地バスに連結されていない、請求項9から14の何れか1項に記載の方法。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201662318303P | 2016-04-05 | 2016-04-05 | |
US201662341147P | 2016-05-25 | 2016-05-25 | |
US15/250,068 US10230310B2 (en) | 2016-04-05 | 2016-08-29 | Safety switch for photovoltaic systems |
US15/250,068 | 2016-08-29 |
Publications (3)
Publication Number | Publication Date |
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JP2018038254A JP2018038254A (ja) | 2018-03-08 |
JP2018038254A5 JP2018038254A5 (ja) | 2020-10-01 |
JP7095962B2 true JP7095962B2 (ja) | 2022-07-05 |
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JP2017158887A Active JP7095962B2 (ja) | 2016-04-05 | 2017-08-21 | 光発電システム用安全スイッチ |
Country Status (4)
Country | Link |
---|---|
US (1) | US10230310B2 (ja) |
EP (1) | EP4152414A3 (ja) |
JP (1) | JP7095962B2 (ja) |
CN (2) | CN113708721A (ja) |
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