JP7213354B2 - 電源回路及び該電源回路を備えた光起電力発電システム - Google Patents
電源回路及び該電源回路を備えた光起電力発電システム Download PDFInfo
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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
- H02M1/00—Details of apparatus for conversion
- H02M1/0048—Circuits or arrangements for reducing losses
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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
- H02M7/53—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 using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/538—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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a push-pull configuration
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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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
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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
- H02M1/00—Details of apparatus for conversion
- H02M1/36—Means for starting or stopping converters
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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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/337—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in push-pull configuration
- H02M3/3376—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in push-pull configuration with automatic control of output voltage or current
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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
-
- 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
- H02S40/32—Electrical components comprising DC/AC inverter means associated with the PV module itself, e.g. AC modules
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/22—The renewable source being solar energy
- H02J2300/24—The renewable source being solar energy of photovoltaic origin
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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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/338—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement
- H02M3/3382—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement in a push-pull circuit arrangement
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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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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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)
- Photovoltaic Devices (AREA)
- Inverter Devices (AREA)
- Control Of Electrical Variables (AREA)
Description
コンポーネントに負のバイアスをかけると(電池セル電圧がフレームに対して負になる)、上記の蓄積された負の電荷が地面に放電され、電池セルの性能を回復することができる。これは、電池セル性能が回復できるという分極効果である。
上記の分析に基づいて、コンポーネントを直列に接続して使用する場合の分極効果を回避するために、サンパワー社は、N型前面太陽電池のコンポーネントは正極の接地を採用し、P型前面電池のコンポーネントは負極の接地を採用することを提案している。
例えば、安定性がより高いパッケージ材料を使用し、金属フレームを採用しないと、電池セルのボディ抵抗を高め、パッシベーション膜の厚さや特性を向上させ、デバイス内にバリア層を設けるなどが挙げられる。
石英ガラス、低ナトリウムガラスなどを採用する。
小規模プロジェクトでは、マイクロインバーターを使用して、ストリング電圧を低下することを検討できる。これは、テスラ会社が家族単位のマイクログリッド光起電力発電システムを提唱する理由でもある。
スイッチK1と、電流制限デバイスと、コンデンサC1と、スイッチK2と、CCFL変換回路と、を備える。スイッチK1の一端は電源回路の正の入力端であり、スイッチK1の他端は電流制限デバイスの一端に接続され、電流制限デバイスの他端が同時にコンデンサC1の一端とスイッチK2の一端に接続され、コンデンサC1の他端は電源回路の負の入力端であり、 CCFL変換回路の正の入力端はスイッチK2の他端に接続され、CCFL変換回路の負の入力端は電源回路の負の入力端に接続され、CCFL変換回路の第1の出力端は電源回路の第1の出力端であり、CCFL変換回路の第2の出力端は電源回路の第2の出力端である。
光起電力発電ストリングがアクティブ化(起動)されると、スイッチK1はスイッチK2より先に切り、コンデンサC1はCCFL変換回路に動作電圧を提供するために使用される。
第1の実施形態
第2の実施形態
第3の実施形態
Claims (10)
- 光起電力発電システムに適用される電源回路であって、
スイッチK1と、電流制限デバイスと、コンデンサC1と、スイッチK2と、CCFL変換回路と、を備え、
前記スイッチK1の一端は前記電源回路の正の入力端であり、前記スイッチK1の他端は前記電流制限デバイスの一端に接続し、前記電流制限デバイスの他端は前記コンデンサC1の一端と前記スイッチK2の一端と、に同時に接続し、前記コンデンサC1の他端は前記電源回路の負の入力端であり、前記CCFL変換回路の正の入力端は前記スイッチK2の他端に接続され、前記CCFL変換回路の負の入力端は前記電源回路の負の入力端に接続され、前記CCFL変換回路の第1の出力端は前記電源回路の第1の出力端であり、前記CCFL変換回路の第2の出力端は前記電源回路の第2の出力端であり、
光起電力ストリングのホットエンドは、前記電源回路の前記第1の出力端に電気的に接続され、前記光起電力ストリングの接地端は、前記電源回路の前記第2の出力端に電気的に接続され、
前記光起電力ストリングがアクティブ化されると、最初に前記スイッチK1は閉じられて、前記コンデンサC1を充電し、次に前記スイッチK1を切り、そして前記スイッチK2を閉じて、前記コンデンサC1が前記CCFL変換回路に動作電圧を提供するために使用される、ことを特徴とする電源回路。 - 前記電流制限デバイスは、インダクタまたは抵抗であることを特徴とする請求項1に記載の電源回路。
- 前記コンデンサC1は、スーパーキャパシタまたは電解コンデンサであることを特徴とする請求項1に記載の電源回路。
- 前記CCFL変換回路は、外部駆動式であることを特徴とする請求項1に記載の電源回路。
- 前記CCFL変換回路は、少なくとも始動回路と、インダクタL2と、コンデンサC3と、トライオードTR1と、トライオードTR2と、トランスBと、一次巻線NP1及びNP2と、フィードバック巻線NB1及びNB2と、二次巻線NS1と、を備え、
前記始動回路は少なくとも両端、即ち始動入力端と始動出力端とを備え、
前記始動入力端は前記スイッチK2の他端に接続され、前記始動出力端は前記フィードバック巻線NB1と前記フィードバック巻線NB2の中心タップに接続され、
前記トライオードTR1のエミッタと前記トライオードTR2のエミッタはそれぞれ前記コンデンサC1の他端に接続され、前記トライオードTR1のコレクタと前記トライオードTR2のコレクタは前記一次巻線NP1とNP2の両端子に対応して接続され、前記トライオードTR1のコレクタと前記トライオードTR2のコレクタは前記コンデンサC3の両端に対応して接続され、前記トライオードTR1のベースと前記トライオードTR2のベースは前記フィードバック巻線NB1とNB2の両端子に対応して接続され、
前記一次巻線NP1とNP2の中心タップは前記インダクタL2を介して前記スイッチK2の他端に接続され、
前記二次巻線NS1の一端は前記CCFL変換回路の第一の出力端であり、前記二次巻線NS1の他端は前記CCFL変換回路の第2の出力端である
ことを特徴とする請求項1に記載の電源回路。 - 前記始動回路が電流供給デバイスを備え、前記電流供給デバイスが抵抗または定電流源デバイスであることを特徴とする請求項5に記載の電源回路。
- 前記始動回路がコンデンサC2をさらに備え、前記コンデンサC2が前記電流供給デバイスと並列に接続されるか、または前記コンデンサC2が前記始動出力端と前記コンデンサC1の他端に接続されることを特徴とする請求項6に記載の電源回路。
- 光起電力ストリングを備える光起電力発電システムであって、
請求項1~7のいずれか一項に記載の前記電源回路と、をさらに備え、前記光起電力ストリングのホットエンドが前記電源回路の前記第1の出力端と電気的に接続され、前記光起電力ストリングの接地端が前記電源回路の前記第2の出力端に電気的に接続されていることを特徴とする光起電力発電システム。 - 直流電源をさらに備え、前記直流電源は、前記電源回路の出力端と直列に接続され、直列接続方法は、次の2つのいずれかであり、
(1)前記直流電源の負極は前記電源回路の前記第2の出力端に電気的に接続され、前記電源回路の前記第1の出力端は前記光起電力ストリングの正極に電気的に接続され、前記光起電力ストリングの負極は前記直流電源の正極に電気的に接続され、
(2)前記直流電源の負極は前記光起電力ストリングの正極に電気的に接続され、前記光起電力ストリングの負極は前記電源回路の前記第2の出力端に電気的に接続され、前記電源回路の前記第1の出力端は前記直流電源の正極に電気的に接続されていることを特徴とする請求項8に記載の光起電力発電システム。 - 前記CCFL変換回路によって出力される高周波交流のピーク値は、前記アクティブ化された光起電力ストリングの回路電圧よりも小さいことを特徴とする請求項8または9に記載の光起電力発電システム。
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CN201811533242.1 | 2018-12-14 | ||
CN201811533242.1A CN109660127B (zh) | 2018-12-14 | 2018-12-14 | 一种电源电路及包含该电源电路的光伏发电系统 |
PCT/CN2019/119639 WO2020119408A1 (zh) | 2018-12-14 | 2019-11-20 | 一种电源电路及包含该电源电路的光伏发电系统 |
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