JPS4972643A - - Google Patents
Info
- Publication number
- JPS4972643A JPS4972643A JP48110648A JP11064873A JPS4972643A JP S4972643 A JPS4972643 A JP S4972643A JP 48110648 A JP48110648 A JP 48110648A JP 11064873 A JP11064873 A JP 11064873A JP S4972643 A JPS4972643 A JP S4972643A
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H11/00—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result
- H02H11/004—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result in case of incorrect phase sequence; with switching for obtaining correct phase sequence
-
- 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
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Measurement Of Current Or Voltage (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA153,622A CA960753A (en) | 1972-10-11 | 1972-10-11 | Detector for reverse and open phase in a three phase circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4972643A true JPS4972643A (enExample) | 1974-07-13 |
Family
ID=4094645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48110648A Pending JPS4972643A (enExample) | 1972-10-11 | 1973-10-03 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3838314A (enExample) |
| JP (1) | JPS4972643A (enExample) |
| CA (1) | CA960753A (enExample) |
| DE (1) | DE2351156A1 (enExample) |
| FR (1) | FR2203193A1 (enExample) |
| GB (1) | GB1450419A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01262896A (ja) * | 1988-04-13 | 1989-10-19 | Sanyo Electric Co Ltd | 衣類乾燥機 |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1570462A (en) * | 1977-01-17 | 1980-07-02 | Remington Products | Electric dry shavers |
| US4346307A (en) * | 1978-11-03 | 1982-08-24 | S & C Electric Company | Voltage-unbalance detector for polyphase electrical systems |
| US4470092A (en) * | 1982-09-27 | 1984-09-04 | Allen-Bradley Company | Programmable motor protector |
| US4724503A (en) * | 1985-03-01 | 1988-02-09 | Square D Company | Phase unbalance detector |
| JPH02261015A (ja) * | 1989-03-30 | 1990-10-23 | Toshiba Corp | 交流電気機器の逆相検出装置 |
| US5059896A (en) * | 1989-09-25 | 1991-10-22 | General Electric Company | Electronic watthour meter |
| JPH03244983A (ja) * | 1990-02-23 | 1991-10-31 | Toshiba Corp | 空気調和機 |
| ES2024931A6 (es) * | 1990-10-29 | 1992-03-01 | Iberduero Sa | Senalizador automatico de paso de falta en lineas electricas. |
| US5796565A (en) * | 1996-12-02 | 1998-08-18 | Verkhovskiy; Yan | Apparatus and method for starting and protecting a three-phase motor |
| US7293462B2 (en) * | 2005-01-04 | 2007-11-13 | General Electric Company | Isolation of short-circuited sensor cells for high-reliability operation of sensor array |
| CN106463944B (zh) | 2014-02-21 | 2019-06-21 | Uab研究基金会 | 用于检测变压器的断相条件的方法 |
| CN117970166B (zh) * | 2024-03-28 | 2024-07-05 | 国网山西省电力公司经济技术研究院 | 基于大数据的电源信息分析系统及方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3431467A (en) * | 1966-11-23 | 1969-03-04 | Westinghouse Electric Corp | Miniature phase sequence sensing circuit |
| US3495130A (en) * | 1968-02-12 | 1970-02-10 | Us Navy | Three-phase sequence and amplitude detection circuit |
| US3681636A (en) * | 1969-08-14 | 1972-08-01 | Westinghouse Electric Corp | Phase sequence sensing circuit |
| US3633072A (en) * | 1970-02-24 | 1972-01-04 | Lawrence N Duncan | Phase detection circuit |
| US3584259A (en) * | 1970-03-02 | 1971-06-08 | Gen Motors Corp | Phase failure detection system |
| US3651393A (en) * | 1971-04-21 | 1972-03-21 | Lorain Prod Corp | Current equalizing circuit |
-
1972
- 1972-10-11 CA CA153,622A patent/CA960753A/en not_active Expired
-
1973
- 1973-05-21 US US00362049A patent/US3838314A/en not_active Expired - Lifetime
- 1973-10-03 JP JP48110648A patent/JPS4972643A/ja active Pending
- 1973-10-09 GB GB4713173A patent/GB1450419A/en not_active Expired
- 1973-10-10 FR FR7336268A patent/FR2203193A1/fr not_active Withdrawn
- 1973-10-11 DE DE19732351156 patent/DE2351156A1/de active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01262896A (ja) * | 1988-04-13 | 1989-10-19 | Sanyo Electric Co Ltd | 衣類乾燥機 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1450419A (en) | 1976-09-22 |
| DE2351156A1 (de) | 1974-04-18 |
| CA960753A (en) | 1975-01-07 |
| US3838314A (en) | 1974-09-24 |
| FR2203193A1 (enExample) | 1974-05-10 |