TW274622B - Break control method for electric breaker - Google Patents
Break control method for electric breakerInfo
- Publication number
- TW274622B TW274622B TW84111996A TW84111996A TW274622B TW 274622 B TW274622 B TW 274622B TW 84111996 A TW84111996 A TW 84111996A TW 84111996 A TW84111996 A TW 84111996A TW 274622 B TW274622 B TW 274622B
- Authority
- TW
- Taiwan
- Prior art keywords
- sampling
- power cycle
- breaker
- value
- control method
- Prior art date
Links
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
A break control method for electric breaker converts phase current flown through breaker to voltage type via one proper resistor, then sampling the value with constant sampling frequency fs=nfAC(in which fs is sampling frequency, n is sampling times of every power cycle, fAC is power frequency). When sampling reaches one power cycle, then calculating current average value according the sampled value, squaring the current average value and multiplying it with power cycle to get energy value of one power cycle. According to breaking condition set by external, values corresponding to a variety of breaking reference ones pre-stored in memory are read out, and compared with the energy value, if breaking condition is satisfied, then immediately controls the breaker to break.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW84111996A TW274622B (en) | 1995-11-18 | 1995-11-18 | Break control method for electric breaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW84111996A TW274622B (en) | 1995-11-18 | 1995-11-18 | Break control method for electric breaker |
Publications (1)
Publication Number | Publication Date |
---|---|
TW274622B true TW274622B (en) | 1996-04-21 |
Family
ID=51397240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW84111996A TW274622B (en) | 1995-11-18 | 1995-11-18 | Break control method for electric breaker |
Country Status (1)
Country | Link |
---|---|
TW (1) | TW274622B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI686027B (en) * | 2018-06-08 | 2020-02-21 | 日商三菱電機股份有限公司 | Electronic circuit breaker |
-
1995
- 1995-11-18 TW TW84111996A patent/TW274622B/en active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI686027B (en) * | 2018-06-08 | 2020-02-21 | 日商三菱電機股份有限公司 | Electronic circuit breaker |
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