JPH0218718Y2 - - Google Patents
Info
- Publication number
- JPH0218718Y2 JPH0218718Y2 JP1988083995U JP8399588U JPH0218718Y2 JP H0218718 Y2 JPH0218718 Y2 JP H0218718Y2 JP 1988083995 U JP1988083995 U JP 1988083995U JP 8399588 U JP8399588 U JP 8399588U JP H0218718 Y2 JPH0218718 Y2 JP H0218718Y2
- Authority
- JP
- Japan
- Prior art keywords
- current
- data
- thyristor
- emergency stop
- operational amplifier
- 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
- 230000003111 delayed effect Effects 0.000 claims description 9
- 238000012806 monitoring device Methods 0.000 claims description 8
- 230000010355 oscillation Effects 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/09—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against over-voltage; against reduction of voltage; against phase interruption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
- B66B1/28—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical
- B66B1/30—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on driving gear, e.g. acting on power electronics, on inverter or rectifier controlled motor
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Direct Current Motors (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Protection Of Generators And Motors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI794076A FI65512C (fi) | 1979-12-28 | 1979-12-28 | Foerfarande och anordning foer oevervakning av stroemdata vid tyristorstyrt likstroemsbruk |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6420098U JPS6420098U (US07655688-20100202-C00086.png) | 1989-01-31 |
| JPH0218718Y2 true JPH0218718Y2 (US07655688-20100202-C00086.png) | 1990-05-24 |
Family
ID=8513158
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18294680A Pending JPS56103988A (en) | 1979-12-28 | 1980-12-25 | Current data monitoring method for thyristor controlled dc drive and device therefor |
| JP1988083995U Expired JPH0218718Y2 (US07655688-20100202-C00086.png) | 1979-12-28 | 1988-06-27 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18294680A Pending JPS56103988A (en) | 1979-12-28 | 1980-12-25 | Current data monitoring method for thyristor controlled dc drive and device therefor |
Country Status (7)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4416352A (en) * | 1982-02-17 | 1983-11-22 | Westinghouse Electric Corp. | Elevator system |
| FI834881A (fi) * | 1983-12-30 | 1985-07-01 | Kone Oy | Foerfarande och anordning foer aostadkommande avstyrspaenning foer en hiss'likstroemsmotor. |
| CA1295674C (en) * | 1985-12-10 | 1992-02-11 | Ssd Ltd. | Ac/dc converters with energy transfer control means |
| IN172422B (US07655688-20100202-C00086.png) * | 1989-03-06 | 1993-07-24 | Kone Elevator Gmbh | |
| US6404265B1 (en) | 1999-08-13 | 2002-06-11 | York International Corporation | Highly efficient driver circuit for a solid state switch |
| US6211792B1 (en) | 1999-08-13 | 2001-04-03 | JADRIć IVAN | Method and apparatus detecting a failed thyristor |
| US6404346B1 (en) | 1999-08-13 | 2002-06-11 | York International Corporation | Method and apparatus for detecting a failed thyristor |
| US6636693B2 (en) * | 2001-07-27 | 2003-10-21 | Otis Elevator Company | DC motor matrix converter with field and armature circuits |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3320514A (en) * | 1963-09-27 | 1967-05-16 | Lear Siegler Inc | Circuit means for selectively switching current-conducting groups of a cycloconverter in response to output current |
| US3431479A (en) * | 1965-10-07 | 1969-03-04 | Gen Electric | Phase controlled power amplifier lockout circuit |
| GB1177851A (en) * | 1967-03-31 | 1970-01-14 | English Electric Co Ltd | Control Circuit for Static Converters |
| FR1553742A (US07655688-20100202-C00086.png) * | 1967-08-23 | 1969-01-17 | ||
| US3713012A (en) * | 1972-03-28 | 1973-01-23 | Westinghouse Electric Corp | Converter apparatus |
| CH571286A5 (US07655688-20100202-C00086.png) * | 1974-02-07 | 1975-12-31 | Contraves Ag | |
| US3996499A (en) * | 1974-09-09 | 1976-12-07 | Westinghouse Electric Corporation | Zener diode effect on long acceleration module |
| JPS5226172A (en) * | 1975-08-25 | 1977-02-26 | Hitachi Ltd | Coolers for semi-conductor element |
| US4155427A (en) * | 1976-12-06 | 1979-05-22 | Westinghouse Electric Corp. | Elevator system |
| JPS53127662A (en) * | 1977-04-14 | 1978-11-08 | Toshiba Corp | Reversible and variable dc power control |
-
1979
- 1979-12-28 FI FI794076A patent/FI65512C/fi not_active IP Right Cessation
-
1980
- 1980-12-18 GB GB8040497A patent/GB2067037B/en not_active Expired
- 1980-12-22 US US06/218,767 patent/US4393442A/en not_active Expired - Lifetime
- 1980-12-23 DE DE19803048683 patent/DE3048683A1/de active Granted
- 1980-12-25 JP JP18294680A patent/JPS56103988A/ja active Pending
- 1980-12-29 FR FR8027653A patent/FR2472874A1/fr active Granted
- 1980-12-29 BR BR8008545A patent/BR8008545A/pt not_active IP Right Cessation
-
1988
- 1988-06-27 JP JP1988083995U patent/JPH0218718Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB2067037B (en) | 1984-05-10 |
| FR2472874A1 (fr) | 1981-07-03 |
| DE3048683C2 (US07655688-20100202-C00086.png) | 1990-08-16 |
| DE3048683A1 (de) | 1981-09-17 |
| BR8008545A (pt) | 1981-07-21 |
| GB2067037A (en) | 1981-07-15 |
| JPS56103988A (en) | 1981-08-19 |
| FI65512C (fi) | 1984-05-10 |
| FR2472874B1 (US07655688-20100202-C00086.png) | 1984-02-03 |
| JPS6420098U (US07655688-20100202-C00086.png) | 1989-01-31 |
| FI794076A (fi) | 1981-06-29 |
| FI65512B (fi) | 1984-01-31 |
| US4393442A (en) | 1983-07-12 |
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