JP2014529702A - 水力発電タービンを制御する方法及びシステム - Google Patents
水力発電タービンを制御する方法及びシステム Download PDFInfo
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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
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/26—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy
- F03B13/264—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy using the horizontal flow of water resulting from tide movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/10—Submerged units incorporating electric generators or motors
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G19/00—Table service
- A47G19/02—Plates, dishes or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B15/00—Controlling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B17/00—Other machines or engines
- F03B17/06—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head"
- F03B17/061—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially in flow direction
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
-
- 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
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
- H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
- H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
- H02M5/443—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a thyratron or thyristor type requiring extinguishing means
- H02M5/45—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/02—Details of the control
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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
- Y02E10/20—Hydro energy
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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
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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- General Life Sciences & Earth Sciences (AREA)
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- Control Of Eletrric Generators (AREA)
- Control Of Water Turbines (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Description
図1を参照すると、タービン、好ましくは水力発電タービンのシステム10の一群の好ましい電気的構成が示されている。
Claims (20)
- 水力発電タービン(16)の動作を制御するための制御システムであって、
前記タービン(16)に接続された発電機(18)により供給され、前記タービンの回転速度の関数である電圧及び周波数を有する交流電力を、該交流電力を受電ステーションへ送電する送電システム(22)の電圧及び周波数を有する交流電力に変換する変換システム(20)と、
前記変換システム(20)と協働可能であって、前記発電機から供給される交流電力を前記タービンを通過する水流の流速に応じて調節することにより、前記タービン(16)の回転を制御する制御部(32)とを有し、
前記変換システムは、第1段階変換器(26)と、第2段階変換器(28)と、該第1及び第2段階変換器の間に配置される直流リンク(34)とを含んで構成され、前記第1段階変換器は前記発電機(18)により生成された交流電力を直流電力に変換するように構成され、前記第2段階変換器は前記直流電力を前記受電ステーションに送電するための交流電力に変換するように構成され、
前記第2段階変換器は、電圧形インバータタイプであることを特徴とする、制御システム。 - 前記直流リンク(34)は、直流電流を検出するための少なくとも1つのセンサを含み、検出した直流電流に関する信号を前記制御部(32)に提供するように構成される、請求項1に記載の制御システム。
- 前記直流リンクは、直流電圧を検出するための少なくとも1つのセンサを含み、検出した直流電圧に関する信号を前記制御部に提供するように構成される、請求項2に記載の制御システム。
- 前記第1段階変換器(26)は、電圧形インバータ型のものである、請求項1〜3のいずれか1項に記載の制御システム。
- 前記第1段階変換器(26)は、アクティブフロントエンドとして作動する電圧形インバータであって、直流リンクを固定電圧として作動するように構成される、請求項1〜4のいずれか1項に記載の制御システム。
- 前記第1段階変換器(26)及び第2段階変換器(28)は、6デバイス、3相ブリッジであり、各デバイスはスイッチと還流ダイオードを含んで構成される、請求項1〜5のいずれか1項に記載の制御システム。
- 前記各スイッチは、絶縁ゲートバイポーラトランジスタ(IGBT)スイッチングデバイス、集積ゲート転流型サイリスタ(IGCT)、ゲートターンオフ(GTO)サイリスタ等の任意の半導体スイッチから選択される、請求項6に記載の制御システム。
- 前記スイッチングデバイスは、前記制御部(32)から受信した信号に従って作動するように構成される、請求項7に記載の制御システム。
- コンデンサ(41)が、前記第1及び第2段階変換器(26,28)と並列にこれらの直流端子間に接続され、前記デバイスのスイッチのスイッチングサイクルの周期にわたって実質的に一定の直流リンク電圧を維持するように構成される、請求項1〜8のいずれか1項に記載の制御システム。
- 前記制御部(32)は、前記第1段階変換器(26)のデバイスを制御することにより、前記第1段階変換器の交流入力部へ供給される電圧を制御するように構成される、請求項1〜9のいずれか1項に記載の制御システム。
- 前記制御部(32)は、前記第1段階変換器(26)のデバイスを制御して、前記発電機(18)の端子における電圧の振幅と周波数及びこれに対応する実電力及び無効電力の流れを設定するように構成される、請求項1〜10のいずれか1項に記載の制御システム。
- 前記第1段階変換器(26)は、発生する交流電流が前記発電機(18)の巻線に誘起される電磁力と同位相となるように、電気的周波数に従って変化する交流電圧を、前記発電機(18)に供給するように制御される、請求項10又は11に記載の制御システム。
- 前記制御部(32)は、前記第2段階変換器(28)のデバイスに伝送されたスイッチング信号を用いて交流出力電圧の振幅と周波数を制御することより、前記第2段階変換器(28)の交流出力電圧を制御するように構成される、請求項10〜12のいずれか1項に記載の制御システム。
- 前記制御部(32)は、前記第1段階変換器(26)の各デバイスの動作を変更して、前記第1段階変換器(26)の入力端子における交流電圧の振幅を調整することにより、前記タービン(16)の回転を制御するように構成される、請求項10〜13のいずれか1項に記載の制御システム。
- 水流の流速が閾値未満であることに応答して、前記制御部(32)は、直流リンク電流を決定し、前記タービンへの水流の流速との関係で最適な直流電力値を決定し、前記第1段階変換器(26)の前記デバイスのスイッチングシーケンスを修正することにより該第1段階変換器(26)の動作を調節して、前記入力端子における交流電圧の周波数を、前記決定した直流リンク電流に最適な直流電力値を提供する値に調節するように構成される、請求項10〜14のいずれか1項に記載の制御システム。
- 水流の流速が閾値を超えたことに応答して、前記制御部(32)は、前記タービン(16)での水流の流速との関係で最適な直流電力値を決定し、前記デバイスのスイッチングシーケンスを修正することにより前記第1段階変換器(26)の動作を調整して、前記入力端子における交流電圧の周波数を、直流電力を最適な直流電力値に制限する固定値をもたらす値に調節するように構成される、請求項10〜15のいずれか1項に記載の制御システム。
- 前記閾値は、通常運転の流速又は定格流速である、請求項15又は16に記載の制御システム。
- 前記制御システムは、監視用コントローラ(54)と協働して、前記タービン(16)のための閾値を決定するように構成される、請求項1〜17のいずれか1項に記載の制御システム。
- 前記閾値は、タービンシステムの配列内の各タービン(16)のパーフォーマンスレベル、タービンの配列にわたる水流のパターン、及び送電網のオペレータの意向のいずれかに基づくものである、請求項18に記載の制御システム。
- 前記発電機により供給される前記交流電力は、前記タービンの回転速度に比例した電圧及び周波数を有する、請求項1〜19のいずれか1項に記載の制御システム。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1113932.6A GB2493711B (en) | 2011-08-12 | 2011-08-12 | Method and system for controlling hydroelectric turbines |
GB1113932.6 | 2011-08-12 | ||
EP11193224.0A EP2557679A3 (en) | 2011-08-12 | 2011-12-13 | Method and system for controlling hydroelectric turbines |
EP11193224.0 | 2011-12-13 | ||
PCT/EP2012/065708 WO2013024037A2 (en) | 2011-08-12 | 2012-08-10 | Method and system for controlling hydroelectric turbines |
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JP2014529702A true JP2014529702A (ja) | 2014-11-13 |
JP6240070B2 JP6240070B2 (ja) | 2017-11-29 |
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JP2014524405A Expired - Fee Related JP6240070B2 (ja) | 2011-08-12 | 2012-08-10 | 水力発電タービンを制御する方法及びシステム |
JP2014524402A Expired - Fee Related JP6159324B2 (ja) | 2011-08-12 | 2012-08-10 | 水力発電タービンを制御する方法及びシステム |
JP2014524406A Expired - Fee Related JP6143373B2 (ja) | 2011-08-12 | 2012-08-10 | 水力発電タービンを制御する方法及びシステム |
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JP2014524402A Expired - Fee Related JP6159324B2 (ja) | 2011-08-12 | 2012-08-10 | 水力発電タービンを制御する方法及びシステム |
JP2014524406A Expired - Fee Related JP6143373B2 (ja) | 2011-08-12 | 2012-08-10 | 水力発電タービンを制御する方法及びシステム |
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US (3) | US9541053B2 (ja) |
EP (3) | EP2571155A3 (ja) |
JP (3) | JP6240070B2 (ja) |
KR (3) | KR20140053276A (ja) |
CN (3) | CN103875176B (ja) |
AU (3) | AU2012296939B2 (ja) |
CA (3) | CA2843803A1 (ja) |
CL (3) | CL2014000349A1 (ja) |
GB (1) | GB2493711B (ja) |
RU (3) | RU2627227C2 (ja) |
SG (3) | SG2014008684A (ja) |
WO (3) | WO2013024037A2 (ja) |
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