GB1524475A - Apparatuses for detecting phase shifts - Google Patents
Apparatuses for detecting phase shiftsInfo
- Publication number
- GB1524475A GB1524475A GB23223/76A GB2322376A GB1524475A GB 1524475 A GB1524475 A GB 1524475A GB 23223/76 A GB23223/76 A GB 23223/76A GB 2322376 A GB2322376 A GB 2322376A GB 1524475 A GB1524475 A GB 1524475A
- Authority
- GB
- United Kingdom
- Prior art keywords
- phase
- voltage
- changes
- current
- level
- Prior art date
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/40—Regulating or controlling the amount of current drawn or delivered by the motor for controlling the mechanical load
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Control Of Multiple Motors (AREA)
- Measurement Of Current Or Voltage (AREA)
- Control Of Ac Motors In General (AREA)
- Control Of Transmission Device (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7506483A SE390589B (sv) | 1975-06-06 | 1975-06-06 | Anordning for avkenning av fasforskjutningen mellan spenningen over och strommen till en av en vexelstromskella matad last |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1524475A true GB1524475A (en) | 1978-09-13 |
Family
ID=20324779
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB23223/76A Expired GB1524475A (en) | 1975-06-06 | 1976-06-04 | Apparatuses for detecting phase shifts |
Country Status (7)
Country | Link |
---|---|
DE (1) | DE2624508A1 (enrdf_load_stackoverflow) |
DK (1) | DK139407B (enrdf_load_stackoverflow) |
FI (1) | FI761595A7 (enrdf_load_stackoverflow) |
GB (1) | GB1524475A (enrdf_load_stackoverflow) |
NO (1) | NO138921C (enrdf_load_stackoverflow) |
PL (1) | PL108023B1 (enrdf_load_stackoverflow) |
SE (1) | SE390589B (enrdf_load_stackoverflow) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2128425A (en) * | 1982-10-08 | 1984-04-26 | Newelec Pretoria | Stall detection apparatus |
CN113866597A (zh) * | 2021-09-17 | 2021-12-31 | 苏州浪潮智能科技有限公司 | 一种差分信号单端误触发检测判断系统及方法 |
-
1975
- 1975-06-06 SE SE7506483A patent/SE390589B/xx not_active IP Right Cessation
-
1976
- 1976-06-01 DE DE19762624508 patent/DE2624508A1/de not_active Withdrawn
- 1976-06-04 PL PL1976190130A patent/PL108023B1/pl unknown
- 1976-06-04 FI FI761595A patent/FI761595A7/fi not_active Application Discontinuation
- 1976-06-04 GB GB23223/76A patent/GB1524475A/en not_active Expired
- 1976-06-04 DK DK249976AA patent/DK139407B/da not_active IP Right Cessation
- 1976-06-04 NO NO76761921A patent/NO138921C/no unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2128425A (en) * | 1982-10-08 | 1984-04-26 | Newelec Pretoria | Stall detection apparatus |
CN113866597A (zh) * | 2021-09-17 | 2021-12-31 | 苏州浪潮智能科技有限公司 | 一种差分信号单端误触发检测判断系统及方法 |
CN113866597B (zh) * | 2021-09-17 | 2024-01-12 | 苏州浪潮智能科技有限公司 | 一种差分信号单端误触发检测判断系统及方法 |
Also Published As
Publication number | Publication date |
---|---|
FI761595A7 (enrdf_load_stackoverflow) | 1976-12-07 |
DK139407C (enrdf_load_stackoverflow) | 1979-07-23 |
NO761921L (enrdf_load_stackoverflow) | 1976-12-07 |
DK139407B (da) | 1979-02-12 |
SE390589B (sv) | 1976-12-27 |
DK249976A (enrdf_load_stackoverflow) | 1976-12-07 |
NO138921B (no) | 1978-08-28 |
DE2624508A1 (de) | 1976-12-23 |
PL108023B1 (pl) | 1980-03-31 |
NO138921C (no) | 1978-12-06 |
SE7506483L (sv) | 1976-12-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US2576026A (en) | Electronic switch | |
US4070650A (en) | Digital signal transmission system and equipment | |
GB1525623A (en) | Data transmission system | |
GB1169706A (en) | An Electrical Fault Detector | |
GB1532814A (en) | Protection device for disconnecting a current supply from a load in response to a ground fault current | |
GB1375744A (enrdf_load_stackoverflow) | ||
GB1504177A (en) | Dictation system | |
US4341927A (en) | Data transmission apparatus | |
GB1400544A (en) | Gating circuits | |
US2446527A (en) | Phase shift logging of well bores | |
GB1254859A (en) | Voltage acceptor circuit and overvoltage-undervoltage detector for use therein | |
GB1524475A (en) | Apparatuses for detecting phase shifts | |
US4225795A (en) | Coincidence circuit for a protective relay circuit | |
GB1535124A (en) | Control apparatus for responding to a fault current in a power transmission line | |
US2773946A (en) | Device for detecting the sense and magnitude of a d. c. source | |
GB1478810A (en) | Detection circuits for monitoring current changes | |
GB1331363A (en) | Method of compensating for an error in the angular position of a stepping motor | |
GB1531571A (en) | Offset keying technique for segregation phase comparison relaying | |
GB1353282A (en) | Circuit for detecting signals transmitted onto a two wire line | |
US3371337A (en) | High speed analog to binary converter | |
GB1090901A (en) | Protective relay apparatus | |
JPH0441531B2 (enrdf_load_stackoverflow) | ||
JPH0367228B2 (enrdf_load_stackoverflow) | ||
SU536598A1 (ru) | Многоканальный коммутатор аналоговых сигналов | |
SU1305827A1 (ru) | Двухтактный усилитель мощности |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PE20 | Patent expired after termination of 20 years |
Effective date: 19960603 |