FI980790A - Menetelmä vaihtosuuntaajan vikavirtojen mittaamiseksi sekä vaihtosuuntaaja ohjatuin puolijohdekytkimin - Google Patents
Menetelmä vaihtosuuntaajan vikavirtojen mittaamiseksi sekä vaihtosuuntaaja ohjatuin puolijohdekytkimin Download PDFInfo
- Publication number
- FI980790A FI980790A FI980790A FI980790A FI980790A FI 980790 A FI980790 A FI 980790A FI 980790 A FI980790 A FI 980790A FI 980790 A FI980790 A FI 980790A FI 980790 A FI980790 A FI 980790A
- Authority
- FI
- Finland
- Prior art keywords
- inverter
- semiconductor switches
- measuring
- fault currents
- controlled semiconductor
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
- G01R31/42—AC power supplies
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
-
- 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
- H02H7/10—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 converters; for rectifiers
- H02H7/12—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 converters; for rectifiers for static converters or rectifiers
- H02H7/122—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 converters; for rectifiers for static converters or rectifiers for inverters, i.e. dc/ac converters
- H02H7/1227—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 converters; for rectifiers for static converters or rectifiers for inverters, i.e. dc/ac converters responsive to abnormalities in the output circuit, e.g. short circuit
-
- 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
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/02—Providing protection against overload without automatic interruption of supply
- H02P29/024—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load
- H02P29/0241—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load the fault being an overvoltage
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Inverter Devices (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK199501118A DK172562B1 (da) | 1995-10-06 | 1995-10-06 | Fremgangsmåde ved måling af fejlstrømme i en vekselretter, samt vekselretter med styrede halvlederswitche |
PCT/DK1996/000418 WO1997014205A1 (en) | 1995-10-06 | 1996-10-03 | Method for measuring fault currents in an inverter and inverter with controlled semiconductor switches |
Publications (2)
Publication Number | Publication Date |
---|---|
FI980790A0 FI980790A0 (fi) | 1998-04-06 |
FI980790A true FI980790A (fi) | 1998-04-06 |
Family
ID=8101220
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI980790A FI980790A (fi) | 1995-10-06 | 1998-04-06 | Menetelmä vaihtosuuntaajan vikavirtojen mittaamiseksi sekä vaihtosuuntaaja ohjatuin puolijohdekytkimin |
Country Status (6)
Country | Link |
---|---|
CN (1) | CN1198849A (fi) |
AU (1) | AU7126196A (fi) |
DK (1) | DK172562B1 (fi) |
FI (1) | FI980790A (fi) |
GB (1) | GB2320625B (fi) |
WO (1) | WO1997014205A1 (fi) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6456946B1 (en) * | 2000-02-25 | 2002-09-24 | Motorola, Inc. | System and method for motor fault detection |
DE10236377A1 (de) * | 2002-08-02 | 2004-02-12 | Dr. Johannes Heidenhain Gmbh | Verfahren zur Fehlererkennung bei einer Antriebseinrichtung |
DE10320926A1 (de) * | 2003-05-09 | 2004-12-16 | Siemens Ag | Verfahren und Anordnung zur Prüfung einer Leistungsendstufe |
DE10322195A1 (de) * | 2003-05-16 | 2004-12-09 | Siemens Ag | Verfahren zur Überwachung einer Leistungsendstufe |
ATE322692T1 (de) * | 2003-07-12 | 2006-04-15 | Lem Liaisons Electron Mec | Stromsensor mit einem einen luftspalt aufweisenden magnetkern und damit ausgerüstete energieversorgungsschaltung |
JP5415281B2 (ja) * | 2007-01-16 | 2014-02-12 | ビーエーエスエフ ソシエタス・ヨーロピア | 連続ベルト反応器での高吸水性ポリマーの製造 |
EP2118993B1 (de) * | 2007-03-13 | 2018-08-01 | Siemens Aktiengesellschaft | Verfahren zur schadenbegrenzung eines leistungshalbleiter aufweisenden stromrichters bei einem kurzschluss im gleichspannungszwischenkreis |
FI124174B (fi) * | 2010-05-03 | 2014-04-15 | Vacon Oyj | Maasulkuvirran mittaaminen |
JP5406146B2 (ja) | 2010-08-31 | 2014-02-05 | 日立オートモティブシステムズ株式会社 | 電動駆動制御装置の過電流検出装置および過電流検出方法 |
JP5716394B2 (ja) * | 2010-12-28 | 2015-05-13 | 株式会社リコー | 高電圧インバータ装置及びその漏電検出装置 |
DE102014201500A1 (de) * | 2014-01-28 | 2015-07-30 | Dr. Johannes Heidenhain Gmbh | Verfahren zur Diagnose eines Umrichters |
CN105067940A (zh) * | 2015-08-06 | 2015-11-18 | 株洲南车时代电气股份有限公司 | 一种机车牵引变流器主回路的接地诊断方法 |
CN105487018B (zh) * | 2015-11-19 | 2018-06-26 | 北京金风科创风电设备有限公司 | 变流器的测试装置、电气倒切柜和测试系统 |
GB2556946A (en) * | 2016-11-29 | 2018-06-13 | Bombardier Primove Gmbh | A method and a device for determining a switching current of a converter and a method of control |
CN106771777B (zh) * | 2017-01-20 | 2023-02-24 | 江苏恒力化纤股份有限公司 | 一种变频器逆变驱动信号检测装置 |
CN112924769B (zh) * | 2019-12-06 | 2024-05-24 | 金风科技股份有限公司 | 变流器故障检测方法和装置、计算机设备 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE793379A (fr) * | 1971-12-29 | 1973-06-27 | Italiana Comp | Onduleur statique de grande puissance a protection intrinseque contre les court-circuits |
DE4128961C1 (en) * | 1991-08-29 | 1992-08-13 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt, De | Detecting short circuit to earth in pulse inverter - using square wave HF voltage source in evaluation circuit to operate protection circuit when toroidal transformer saturates |
-
1995
- 1995-10-06 DK DK199501118A patent/DK172562B1/da not_active IP Right Cessation
-
1996
- 1996-10-03 WO PCT/DK1996/000418 patent/WO1997014205A1/en active Application Filing
- 1996-10-03 AU AU71261/96A patent/AU7126196A/en not_active Abandoned
- 1996-10-03 GB GB9807069A patent/GB2320625B/en not_active Expired - Fee Related
- 1996-10-03 CN CN96197455A patent/CN1198849A/zh active Pending
-
1998
- 1998-04-06 FI FI980790A patent/FI980790A/fi unknown
Also Published As
Publication number | Publication date |
---|---|
DK172562B1 (da) | 1999-01-18 |
AU7126196A (en) | 1997-04-30 |
CN1198849A (zh) | 1998-11-11 |
GB2320625A (en) | 1998-06-24 |
GB9807069D0 (en) | 1998-06-03 |
FI980790A0 (fi) | 1998-04-06 |
WO1997014205A1 (en) | 1997-04-17 |
DK111895A (da) | 1997-04-07 |
GB2320625B (en) | 2000-02-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FI973081A (fi) | Menetelmä vaihevirtojen mittaamiseksi vaihtosuuntaajassa | |
FI980790A (fi) | Menetelmä vaihtosuuntaajan vikavirtojen mittaamiseksi sekä vaihtosuuntaaja ohjatuin puolijohdekytkimin | |
DE69628315D1 (de) | Stromwandlervorrichtung und -verfahren | |
KR960016111A (ko) | 시각 신호 발생용 회로 및 방법 | |
NO996204D0 (no) | Anordning for minsking av boeyespenning i flensforbindelser | |
FI962213A0 (fi) | Sähköinen kytkentälaite | |
DE69518135T2 (de) | Elektrische Verbindungsstruktur und -verfahren | |
DE69304119D1 (de) | Supraleitender strombegrenzender Apparat | |
DE69431034T2 (de) | Einrichtung zur Erkennung von Störlichtbögen in Energiekabeln | |
DE69620944D1 (de) | Halbleiter-Prüfmethode | |
DE29503048U1 (de) | Drehstromtransformator | |
DE59509305D1 (de) | Schaltung zum Ein- und Ausschalten einer elektrischen Last | |
DE69626704D1 (de) | Halbleiterhochspannungskurzschlussschaltung | |
DE59509307D1 (de) | Schaltung zum Ein- und Ausschalten einer elektrischen Last | |
EP0631145A3 (de) | Verfahren und Vorrichtung zur Strommessung in Brückenschaltungen. | |
DE9212672U1 (de) | Einrichtung zur Erkennung von Störlichtbögen, insbesondere an Sammelschienenanordnungen in Niederspannungs-Schaltanlagen | |
DE59509012D1 (de) | Schaltung zum Ein- und Ausschalten einer elektrischen Last | |
NO961635D0 (no) | Elektrisk koblingsinnretning | |
KR970003752A (ko) | 반도체장치와 그 검사방법 | |
DE59604231D1 (de) | Gasdurchlässige hochspannungsisolation | |
DE9208363U1 (de) | Einrichtung zur Erkennung von Störlichtbögen, insbesondere zur Erkennung an Sammelschienenanordnungen in Niederspannungs-Schaltanlagen | |
FI97432C (fi) | Läpivientisovitelma sekä menetelmä sähköisen läpiviennin toteuttamiseksi avattavissa olevaan rakenteeseen | |
SE9402941D0 (sv) | Trefas-Högspänningsledning | |
KR970011410U (ko) | 번인 테스트용 유입전류 방지회로 | |
KR970045237U (ko) | 인버터 역률 측정 장치 |