ZA822620B - Solid-state load protection system having loss of phase sensing - Google Patents
Solid-state load protection system having loss of phase sensingInfo
- Publication number
- ZA822620B ZA822620B ZA822620A ZA822620A ZA822620B ZA 822620 B ZA822620 B ZA 822620B ZA 822620 A ZA822620 A ZA 822620A ZA 822620 A ZA822620 A ZA 822620A ZA 822620 B ZA822620 B ZA 822620B
- Authority
- ZA
- South Africa
- Prior art keywords
- loss
- solid
- protection system
- load protection
- state load
- Prior art date
Links
Classifications
-
- 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
- H02H3/12—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 underload or no-load
- H02H3/13—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 underload or no-load for multiphase applications, e.g. phase interruption
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/258,108 US4379317A (en) | 1981-04-27 | 1981-04-27 | Solid-state load protection system having loss of phase sensing |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA822620B true ZA822620B (en) | 1983-04-27 |
Family
ID=22979127
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA822620A ZA822620B (en) | 1981-04-27 | 1982-04-16 | Solid-state load protection system having loss of phase sensing |
Country Status (15)
Country | Link |
---|---|
US (1) | US4379317A (de) |
JP (1) | JPS57183217A (de) |
AU (1) | AU557961B2 (de) |
BE (1) | BE892996A (de) |
BR (1) | BR8202359A (de) |
CA (1) | CA1160331A (de) |
CH (1) | CH658952A5 (de) |
DE (1) | DE3215181A1 (de) |
ES (1) | ES511691A0 (de) |
FR (1) | FR2504747A1 (de) |
GB (1) | GB2097614B (de) |
IE (1) | IE52746B1 (de) |
MX (1) | MX151253A (de) |
PH (1) | PH19744A (de) |
ZA (1) | ZA822620B (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR910002069B1 (ko) * | 1987-04-30 | 1991-04-01 | 미쓰비시전기 주식회사 | 회로차단기 |
US5172291A (en) * | 1990-03-27 | 1992-12-15 | Struthers-Dunn, Inc. | Intelligent power controller |
US5267117A (en) * | 1991-06-28 | 1993-11-30 | Johnson & Wilson Co. Sales And Service, Inc. | Electrical phase and amplitude fault detection and response system |
US6541954B1 (en) | 1999-06-01 | 2003-04-01 | Ssac, Inc. | Circuit apparatus for sensing line conditions in a three phase power line |
US6252365B1 (en) * | 1999-08-17 | 2001-06-26 | General Electric Company | Breaker/starter with auto-configurable trip unit |
US20030165037A1 (en) * | 2002-03-01 | 2003-09-04 | Stephen Liscinksy | Three-phase supervisory circuit |
US7038423B2 (en) * | 2004-05-07 | 2006-05-02 | Bay Controls, Inc. | Apparatus and method for ride through for AC induction motors |
US9413178B2 (en) | 2011-11-11 | 2016-08-09 | General Electric Company | Charging device and method of detecting a connection to ground |
US9755568B2 (en) | 2014-07-09 | 2017-09-05 | Nidec Motor Corporation | System and method for detecting loss of input phase by sensing before power rectifier |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1588324A1 (de) * | 1967-02-04 | 1970-05-21 | Ibm Deutschland | Schaltungsanordnung zur Erkennung von Spannungsausfaellen an dreiphasigen Transformatoren |
JPS4331239Y1 (de) * | 1968-05-23 | 1968-12-18 | ||
US3584259A (en) * | 1970-03-02 | 1971-06-08 | Gen Motors Corp | Phase failure detection system |
US3636541A (en) * | 1970-04-09 | 1972-01-18 | Honeywell Inf Systems | Loss of phase detector for a polyphase power system |
US3602783A (en) * | 1970-05-07 | 1971-08-31 | Westinghouse Electric Corp | Circuit breaker device including improved overcurrent protective device |
US3818275A (en) * | 1973-01-30 | 1974-06-18 | Westinghouse Electric Corp | Circuit interrupter including improved trip circuit using current transformers |
SE378950B (de) * | 1974-01-07 | 1975-09-15 | Asea Ab | |
US3996499A (en) * | 1974-09-09 | 1976-12-07 | Westinghouse Electric Corporation | Zener diode effect on long acceleration module |
US4007401A (en) * | 1974-09-09 | 1977-02-08 | Westinghouse Electric Corporation | Current sensitive circuit protection system |
US4021703A (en) * | 1975-06-02 | 1977-05-03 | Westinghouse Electric Corporation | Phase imbalance detection circuit |
DE2532206A1 (de) * | 1975-07-18 | 1977-01-20 | Hartmann & Braun Ag | Schaltungsanordnung zur abschaltung eines drehstromverbrauchers bei unsymmetrischer leistungsaufnahme |
FR2468238A1 (fr) * | 1979-10-16 | 1981-04-30 | Telemecanique Electrique | Dispositif electronique de protection d'un moteur electrique contre les surcharges et la perte d'une phase de la tension alternative triphasee d'alimentation |
-
1981
- 1981-04-27 US US06/258,108 patent/US4379317A/en not_active Expired - Lifetime
-
1982
- 1982-04-07 IE IE833/82A patent/IE52746B1/en unknown
- 1982-04-15 AU AU82664/82A patent/AU557961B2/en not_active Ceased
- 1982-04-16 ZA ZA822620A patent/ZA822620B/xx unknown
- 1982-04-22 CA CA000401444A patent/CA1160331A/en not_active Expired
- 1982-04-23 DE DE19823215181 patent/DE3215181A1/de not_active Withdrawn
- 1982-04-23 FR FR8207093A patent/FR2504747A1/fr not_active Withdrawn
- 1982-04-26 CH CH2546/82A patent/CH658952A5/de not_active IP Right Cessation
- 1982-04-26 ES ES511691A patent/ES511691A0/es active Granted
- 1982-04-26 PH PH27198A patent/PH19744A/en unknown
- 1982-04-26 GB GB8211958A patent/GB2097614B/en not_active Expired
- 1982-04-26 BR BR8202359A patent/BR8202359A/pt unknown
- 1982-04-27 MX MX192441A patent/MX151253A/es unknown
- 1982-04-27 BE BE0/207945A patent/BE892996A/fr not_active IP Right Cessation
- 1982-04-27 JP JP57069703A patent/JPS57183217A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
ES8306931A1 (es) | 1983-06-01 |
CA1160331A (en) | 1984-01-10 |
FR2504747A1 (fr) | 1982-10-29 |
BE892996A (fr) | 1982-10-27 |
GB2097614A (en) | 1982-11-03 |
JPS57183217A (en) | 1982-11-11 |
ES511691A0 (es) | 1983-06-01 |
IE52746B1 (en) | 1988-02-03 |
DE3215181A1 (de) | 1982-11-18 |
AU557961B2 (en) | 1987-01-15 |
CH658952A5 (de) | 1986-12-15 |
US4379317A (en) | 1983-04-05 |
PH19744A (en) | 1986-06-23 |
IE820833L (en) | 1982-10-27 |
MX151253A (es) | 1984-10-24 |
AU8266482A (en) | 1982-11-04 |
BR8202359A (pt) | 1983-04-05 |
GB2097614B (en) | 1984-09-26 |
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