BE857741A - Dispositif de controle d'une grandeur alternative - Google Patents
Dispositif de controle d'une grandeur alternativeInfo
- Publication number
- BE857741A BE857741A BE180126A BE180126A BE857741A BE 857741 A BE857741 A BE 857741A BE 180126 A BE180126 A BE 180126A BE 180126 A BE180126 A BE 180126A BE 857741 A BE857741 A BE 857741A
- Authority
- BE
- Belgium
- Prior art keywords
- control device
- size control
- alternative size
- alternative
- size
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/50—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to the appearance of abnormal wave forms, e.g. ac in dc installations
-
- 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
- H02M7/505—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 thyratron or thyristor type requiring extinguishing means
- H02M7/515—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 thyratron or thyristor type requiring extinguishing means using semiconductor devices only
- H02M7/525—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 thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of output waveform or frequency
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19762637397 DE2637397B1 (de) | 1976-08-19 | 1976-08-19 | Verfahren und Schaltungsanordnung zur Ermittlung von Abweichungen einer Wechselgroesse |
Publications (1)
Publication Number | Publication Date |
---|---|
BE857741A true BE857741A (fr) | 1977-12-01 |
Family
ID=5985854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE180126A BE857741A (fr) | 1976-08-19 | 1977-08-12 | Dispositif de controle d'une grandeur alternative |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE857741A (fr) |
DE (1) | DE2637397B1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2714191A1 (de) * | 1977-03-30 | 1978-10-12 | Siemens Ag | Einrichtung zur ueberwachung einer wechselgroesse |
DE3017349A1 (de) * | 1980-05-06 | 1984-03-22 | Roman 8000 München Koller | Verfahren und einrichtung zur praezisen ableitung vonfunktionswerten eines elektrischen signales |
-
1976
- 1976-08-19 DE DE19762637397 patent/DE2637397B1/de not_active Withdrawn
-
1977
- 1977-08-12 BE BE180126A patent/BE857741A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
DE2637397B1 (de) | 1977-10-06 |
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