JPS4980949A - - Google Patents
Info
- Publication number
- JPS4980949A JPS4980949A JP11108573A JP11108573A JPS4980949A JP S4980949 A JPS4980949 A JP S4980949A JP 11108573 A JP11108573 A JP 11108573A JP 11108573 A JP11108573 A JP 11108573A JP S4980949 A JPS4980949 A JP S4980949A
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H6/00—Emergency protective circuit arrangements responsive to undesired changes from normal non-electric working conditions using simulators of the apparatus being protected, e.g. using thermal images
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/48—Analogue computers for specific processes, systems or devices, e.g. simulators
- G06G7/56—Analogue computers for specific processes, systems or devices, e.g. simulators for heat flow
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Protection Of Transformers (AREA)
- Power Conversion In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA155,044A CA962333A (en) | 1972-10-26 | 1972-10-26 | Control circuit for electrical apparatus using electrical analog of thermal system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4980949A true JPS4980949A (https=) | 1974-08-05 |
| JPS5246786B2 JPS5246786B2 (https=) | 1977-11-28 |
Family
ID=4094823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11108573A Expired JPS5246786B2 (https=) | 1972-10-26 | 1973-10-04 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5246786B2 (https=) |
| CA (1) | CA962333A (https=) |
| DE (1) | DE2353815A1 (https=) |
| FR (1) | FR2204836A1 (https=) |
| GB (1) | GB1452612A (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2484726A1 (fr) | 1980-06-11 | 1981-12-18 | Telemecanique Electrique | Dispositif de simulation de l'echauffement instantane d'un composant semi-conducteur de puissance en vue de sa protection |
| CA1193317A (en) * | 1982-05-07 | 1985-09-10 | Canadian General Electric Company Limited | Thermal model for electrical apparatus |
| US4470092A (en) * | 1982-09-27 | 1984-09-04 | Allen-Bradley Company | Programmable motor protector |
| JPS5958343U (ja) * | 1982-10-12 | 1984-04-16 | 株式会社神戸製鋼所 | 鋼管のリ−クテスタ用クランプ治具 |
-
1972
- 1972-10-26 CA CA155,044A patent/CA962333A/en not_active Expired
-
1973
- 1973-10-04 JP JP11108573A patent/JPS5246786B2/ja not_active Expired
- 1973-10-12 GB GB4783373A patent/GB1452612A/en not_active Expired
- 1973-10-26 FR FR7338351A patent/FR2204836A1/fr not_active Withdrawn
- 1973-10-26 DE DE19732353815 patent/DE2353815A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA962333A (en) | 1975-02-04 |
| DE2353815A1 (de) | 1974-05-09 |
| JPS5246786B2 (https=) | 1977-11-28 |
| FR2204836A1 (https=) | 1974-05-24 |
| GB1452612A (en) | 1976-10-13 |