JP2023513902A - 高電力のユーザデバイス用の電力供給装置 - Google Patents
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Classifications
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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
- H02J3/36—Arrangements for transfer of electric power between ac networks via a high-tension dc link
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces heated electrically, with or without any other source of heat
- F27B3/085—Arc furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
- F27D11/02—Ohmic resistance heating
- F27D11/04—Ohmic resistance heating with direct passage of current through the material being heated
-
- 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
- H02M7/66—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal
- H02M7/68—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters
- H02M7/72—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/75—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
- H02M7/757—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
- H02M7/7575—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only for high voltage direct transmission link
-
- 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
- H02M7/493—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 the static converters being arranged for operation in parallel
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Details (AREA)
- Emergency Protection Circuit Devices (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Ac-Ac Conversion (AREA)
Abstract
Description
Claims (12)
- 高電力のユーザデバイス用、特に鉄鋼産業用の電気炉(12)用の電力供給装置であって、
配電網電圧と配電網電流とを供給する配電網(11)に接続するための手段と、
前記配電網(11)に接続するための手段と前記電気炉(12)とを接続するための少なくとも1つの電気的伝送路(13)と、
を備えており、
前記電力供給装置(10)は、前記電気炉(12)に交流電力を供給可能な電力供給システム(19)であって前記配電網(11)と前記電気炉(12)との間に接続された電力供給システム(19)を備えており、
前記電力供給システム(19)は、
配電網(11)により供給された交流の電気エネルギーを直流の電気エネルギーに変換するように構成された第1の部分(15)であって、少なくとも少なくとも1つのトランス二次側(35)に接続された少なくとも1つのトランス一次側(34)を有する少なくとも1つのトランス(33)と、前記トランス二次側(35)に接続された少なくとも1つの整流器(36)と、を備えた第1の部分(15)と、
前記直流の電気エネルギーを交流の電気エネルギーに変換するように構成された第2の部分(16)であって、前記少なくとも1つの整流器(36)に接続された少なくとも1つの変換器(37)を備えた第2の部分(16)と、
を備えており、
前記第1の部分(15)と前記第2の部分(16)とは物理的に互いに離隔していると共に、前記少なくとも1つの整流器(36)と前記少なくとも1つの変換器(37)との間に接続された直流中間回路(38)を用いて互いに接続されており、
前記中間回路(38)は、超電導ケーブルを有する1つ又は複数の伝送路区間(31)を備えている
ことを特徴とする電力供給装置。 - 前記第1の部分(15)と前記第2の部分(16)との間の距離は数十~数百メートルである、
請求項1記載の電力供給装置。 - 前記配電網(11)は三相式であり、
前記少なくとも1つの電力供給モジュール(39)は、前記配電網(11)の各相ごとにトランス二次側(35)と整流器(36)と変換器(37)とを備えた少なくとも1つの電力供給モジュール(39)を備えている、
請求項1又は2記載の電力供給装置。 - 前記電力供給モジュール(39)の前記整流器(36)と前記変換器(37)とは、少なくとも1つの超電導ケーブルを有する同一の直流中間回路(38)を共有する、
請求項3記載の電力供給装置。 - 前記電力供給システム(19)は、互いに並列に配置された複数の前記電力供給モジュール(39)を備えており、
前記各電力供給モジュール(39)は、少なくとも1つのトランス二次側(35)に接続された少なくとも1つのトランス一次側(34)を有する少なくとも1つのトランス(33)と、前記トランス二次側(35)に接続された少なくとも1つの整流器(36)と、前記整流器(36)に接続された変換器(37)と、前記少なくとも1つの整流器(36)と前記変換器(37)とを接続する直流中間回路(38)と、をそれぞれ備えており、
前記直流中間回路(38)は、少なくとも1つの超電導ケーブルを有する少なくとも1つの伝送路区間(31)を備えている、
請求項3又は4記載の電力供給装置。 - 前記又は各電力供給モジュール(39)の少なくとも第1の部分(39a)は第1の建物(41)内に配置されていると共に、前記又は各電力供給モジュール(39)の少なくとも第2の部分(39b)は第2の建物(42)内に配置されており、
前記又は各電力供給モジュール(39)の両部分(39a,39b)は、少なくとも1つの超電導ケーブルを有する1つ又は複数の伝送路区間(31)によって接続されている、
請求項1から5までのいずれか1項記載の電力供給装置。 - 前記第1の建物(41)内に配置された前記第1の部分(39a)は、前記又は各電力供給モジュール(39)の前記トランス(33)及び前記整流器(36)を備えていると共に、前記第2の建物(42)内に配置された前記第2の部分(39b)は、前記変換器(37)と、前記可能なインダクタ(40)と、前記変換器(37)から電流を前記電気炉(12)へ伝送する前記伝送路区間(32)と、を備えている、
請求項6記載の電力供給装置。 - 前記又は各電力供給モジュール(39)の前記少なくとも1つの整流器(36)と前記少なくとも1つの変換器(37)とは、少なくとも1つの超電導ケーブルを有する少なくとも1つの伝送路区間(29)によって接続されている、
請求項1から7までのいずれか1項記載の電力供給装置。 - 前記少なくとも1つ又は各電力供給モジュール(39)はインダクタ(40)を備えており、
前記インダクタ(40)は前記少なくとも1つの変換器(37)に接続されていると共に前記電気炉(12)より上流に配置されており、
前記変換器(37)と前記電気炉(12)とは、前記インダクタ(40)を通り少なくとも1つの超電導ケーブルを有する1つ又は複数の伝送路区間(30)によって接続されている、
請求項1から8までのいずれか1項記載の電力供給装置。 - 前記トランス(33)は中圧/中圧トランスであり、
前記電力供給装置(10)は、前記配電網(11)より下流かつ前記中圧/中圧トランス(33)より上流に配置された少なくとも1つの高圧/中圧トランス(14)を備えており、
前記中圧/中圧トランス(33)と前記高圧/中圧トランス(14)、
請求項1から9までのいずれか1項記載の電力供給装置。 - 前記伝送路区間(31)に含まれる前記超電導ケーブルは、単純又はコルゲート状のパイプに例えば窒素又はヘリウム等の液体ガスから選択された冷媒液を入れたものにより作製された同軸被覆を有する、
請求項1から10までのいずれか1項記載の電力供給装置。 - 前記1つ又は複数の超電導ケーブルの少なくとも一部は二ホウ化マグネシウムから成る、
請求項1から11までのいずれか1項記載の電力供給装置。
Applications Claiming Priority (3)
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IT102020000002959 | 2020-02-14 | ||
IT102020000002959A IT202000002959A1 (it) | 2020-02-14 | 2020-02-14 | Apparato di alimentazione elettrica per un dispositivo utilizzatore a potenza elevata |
PCT/IT2021/050032 WO2021161355A1 (en) | 2020-02-14 | 2021-02-11 | Electric power supply apparatus for a high-power user device |
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EP (1) | EP4104283A1 (ja) |
JP (1) | JP7438380B2 (ja) |
CN (1) | CN115428324A (ja) |
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JPH02131327A (ja) * | 1988-11-05 | 1990-05-21 | Hitachi Ltd | 超電導電力供給システム |
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US20230062705A1 (en) | 2023-03-02 |
CN115428324A (zh) | 2022-12-02 |
EP4104283A1 (en) | 2022-12-21 |
WO2021161355A1 (en) | 2021-08-19 |
IT202000002959A1 (it) | 2021-08-14 |
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