BR112022001471A2 - Proteção de um dispositivo ca - Google Patents
Proteção de um dispositivo caInfo
- Publication number
- BR112022001471A2 BR112022001471A2 BR112022001471A BR112022001471A BR112022001471A2 BR 112022001471 A2 BR112022001471 A2 BR 112022001471A2 BR 112022001471 A BR112022001471 A BR 112022001471A BR 112022001471 A BR112022001471 A BR 112022001471A BR 112022001471 A2 BR112022001471 A2 BR 112022001471A2
- Authority
- BR
- Brazil
- Prior art keywords
- line
- protection
- magnetic core
- voltage converter
- parallel
- Prior art date
Links
Classifications
-
- 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
- H02J3/001—Methods to deal with contingencies, e.g. abnormalities, faults or failures
- H02J3/00125—Transmission line or load transient problems, e.g. overvoltage, resonance or self-excitation of inductive loads
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/36—Overload-protection arrangements or circuits for electric measuring instruments
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/42—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils
- H01F27/422—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers
- H01F27/425—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers for voltage transformers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
- H01F3/14—Constrictions; Gaps, e.g. air-gaps
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/24—Voltage transformers
- H01F38/26—Constructions
-
- 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
-
- 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
Abstract
proteção de um dispositivo ca. a presente invenção refere-se à proteção de um dispositivo ca, em particular um conversor de tensão indutivo (11), eletricamente conectado a uma linha ca (5) contra danos causados por correntes contínuas que fluem na linha ca (5). neste caso, pelo menos uma bobina de drenagem de corrente (19), que corre em torno de uma seção de núcleo magnético (21.1) de um núcleo magnético (21), é conectada à linha ca (5) em paralelo com o dispositivo ca.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019211948.4A DE102019211948A1 (de) | 2019-08-08 | 2019-08-08 | Schutz eines Wechselstromgeräts |
PCT/EP2020/069489 WO2021023472A1 (de) | 2019-08-08 | 2020-07-10 | Schutz eines wechselstromgeräts |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112022001471A2 true BR112022001471A2 (pt) | 2022-05-24 |
Family
ID=71842629
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112022001471A BR112022001471A2 (pt) | 2019-08-08 | 2020-07-10 | Proteção de um dispositivo ca |
Country Status (7)
Country | Link |
---|---|
US (1) | US20220317157A1 (pt) |
EP (1) | EP3987296A1 (pt) |
CN (1) | CN114270649A (pt) |
BR (1) | BR112022001471A2 (pt) |
CA (1) | CA3149834A1 (pt) |
DE (1) | DE102019211948A1 (pt) |
WO (1) | WO2021023472A1 (pt) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4012734A1 (en) * | 2020-12-11 | 2022-06-15 | Siemens Energy Global GmbH & Co. KG | Eliminating phase error in capacitive voltage transformer |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE638210C (de) * | 1931-09-05 | 1936-11-11 | Siemens Schuckertwerke Akt Ges | UEberspannungsschutzanordnung an in Starkstromnetze eingeschalteten Stromwandlern, an die unmittelbar mehrere durch Kurzschlussstrom gefaehrdete Instrumente, Relais oderApparate u. dgl. in Reihe angeschlossen sind |
US2089860A (en) * | 1935-03-01 | 1937-08-10 | Albert B Rypinski | Slow transformer |
US3240957A (en) * | 1962-04-01 | 1966-03-15 | Nissin Electric Co Ltd | Capacitor potential device |
US3489975A (en) * | 1967-08-31 | 1970-01-13 | Gen Electric | Secondary winding combination for potential type instrument transformers |
US3851239A (en) * | 1969-05-05 | 1974-11-26 | Ricoh Kk | High voltage d.c. supply circuit |
US3968465A (en) * | 1973-05-18 | 1976-07-06 | Hitachi Metals, Ltd. | Inductor and method for producing same |
AT365852B (de) * | 1977-01-11 | 1982-02-25 | Moser Glaser & Co Ag | Induktiver spannungswandler mit ferroresonanzschutz |
US4837497A (en) * | 1987-12-29 | 1989-06-06 | Gregory Leibovich | Variable transformer, reactor and method of their control |
JPH0632664Y2 (ja) * | 1988-05-09 | 1994-08-24 | 日新電機株式会社 | 計器用変圧器の出力変成装置 |
DE102009043596A1 (de) * | 2009-09-25 | 2011-03-31 | Siemens Aktiengesellschaft | Messwandler mit einem elektrischen Wandler |
DE102011107252A1 (de) * | 2011-07-14 | 2013-01-17 | Schneider Electric Sachsenwerk Gmbh | Spule zur Strombegrenzung |
CN202905386U (zh) * | 2012-09-04 | 2013-04-24 | 厦门振泰成科技有限公司 | 一种抗直流电流互感器磁芯 |
CN103227045A (zh) * | 2013-05-09 | 2013-07-31 | 南京江北自动化技术有限公司 | 一种电子式电流互感器 |
DE102016205118A1 (de) * | 2016-03-29 | 2017-10-05 | Innogy Se | Verfahren zur Erweiterung der elektrischen Übertragungskapazität eines Freileitungsmastsystems |
CN105957696B (zh) * | 2016-06-08 | 2023-12-26 | 中国电力科学研究院 | 抗直流测量用电流互感器及制备方法 |
CN205882640U (zh) * | 2016-08-15 | 2017-01-11 | 中国电力工程顾问集团西北电力设计院有限公司 | ±800kV直流与双回750kV交流同塔导线布置结构 |
-
2019
- 2019-08-08 DE DE102019211948.4A patent/DE102019211948A1/de active Pending
-
2020
- 2020-07-10 WO PCT/EP2020/069489 patent/WO2021023472A1/de unknown
- 2020-07-10 CA CA3149834A patent/CA3149834A1/en active Pending
- 2020-07-10 BR BR112022001471A patent/BR112022001471A2/pt unknown
- 2020-07-10 US US17/633,650 patent/US20220317157A1/en active Pending
- 2020-07-10 EP EP20746880.2A patent/EP3987296A1/de active Pending
- 2020-07-10 CN CN202080056479.4A patent/CN114270649A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
CA3149834A1 (en) | 2021-02-11 |
CN114270649A (zh) | 2022-04-01 |
EP3987296A1 (de) | 2022-04-27 |
WO2021023472A1 (de) | 2021-02-11 |
US20220317157A1 (en) | 2022-10-06 |
DE102019211948A1 (de) | 2021-02-11 |
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