CA1122647A - Rapid transit system transient voltage suppression apparatus - Google Patents
Rapid transit system transient voltage suppression apparatusInfo
- Publication number
- CA1122647A CA1122647A CA336,548A CA336548A CA1122647A CA 1122647 A CA1122647 A CA 1122647A CA 336548 A CA336548 A CA 336548A CA 1122647 A CA1122647 A CA 1122647A
- Authority
- CA
- Canada
- Prior art keywords
- voltage
- capacitor
- thyristor switch
- zener
- suppression apparatus
- 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
- 230000001052 transient effect Effects 0.000 title claims abstract description 43
- 230000001629 suppression Effects 0.000 title claims abstract description 23
- 239000003990 capacitor Substances 0.000 claims abstract description 165
- 230000001939 inductive effect Effects 0.000 claims abstract description 12
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 230000015556 catabolic process Effects 0.000 description 11
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 7
- 239000005751 Copper oxide Substances 0.000 description 7
- 229910000431 copper oxide Inorganic materials 0.000 description 7
- 239000004065 semiconductor Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- QHGVXILFMXYDRS-UHFFFAOYSA-N pyraclofos Chemical compound C1=C(OP(=O)(OCC)SCCC)C=NN1C1=CC=C(Cl)C=C1 QHGVXILFMXYDRS-UHFFFAOYSA-N 0.000 description 2
- KCTKQZUYHSKJLP-UHFFFAOYSA-N 2-(4-methyl-5-oxo-4-propan-2-yl-1h-imidazol-2-yl)pyridine-3-carboxylate;propan-2-ylazanium Chemical compound CC(C)[NH3+].N1C(=O)C(C(C)C)(C)N=C1C1=NC=CC=C1C([O-])=O KCTKQZUYHSKJLP-UHFFFAOYSA-N 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- 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
- H02H7/0833—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 for electric motors with control arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/005—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection avoiding undesired transient conditions
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/305—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a thyratron or thyristor type requiring extinguishing means
- H02M3/315—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
- H02M3/3155—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of the output voltage or current
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Emergency Protection Circuit Devices (AREA)
- Dc-Dc Converters (AREA)
- Power Conversion In General (AREA)
- Control Of Direct Current Motors (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US95449678A | 1978-10-25 | 1978-10-25 | |
| US954,496 | 1978-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1122647A true CA1122647A (en) | 1982-04-27 |
Family
ID=25495500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA336,548A Expired CA1122647A (en) | 1978-10-25 | 1979-09-27 | Rapid transit system transient voltage suppression apparatus |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5566275A (de) |
| BR (1) | BR7906583A (de) |
| CA (1) | CA1122647A (de) |
| ES (1) | ES8100566A1 (de) |
| GB (1) | GB2036467B (de) |
| IN (1) | IN151524B (de) |
| IT (1) | IT1124645B (de) |
| MX (1) | MX146929A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2399465A (en) * | 2003-03-13 | 2004-09-15 | Bombardier Transp | A protection arrangement for transferring electric power to a power consumer |
| EP2196825A1 (de) | 2007-09-21 | 2010-06-16 | National Institute of Radiological Sciences | Betastrahlendetektor und betastrahlen-neuaufbauverfahren |
-
1979
- 1979-09-15 IN IN967/CAL/79A patent/IN151524B/en unknown
- 1979-09-27 CA CA336,548A patent/CA1122647A/en not_active Expired
- 1979-10-11 BR BR7906583A patent/BR7906583A/pt not_active IP Right Cessation
- 1979-10-16 GB GB7935969A patent/GB2036467B/en not_active Expired
- 1979-10-18 MX MX179680A patent/MX146929A/es unknown
- 1979-10-24 ES ES485313A patent/ES8100566A1/es not_active Expired
- 1979-10-24 IT IT26763/79A patent/IT1124645B/it active
- 1979-10-25 JP JP13709679A patent/JPS5566275A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5566275A (en) | 1980-05-19 |
| GB2036467A (en) | 1980-06-25 |
| BR7906583A (pt) | 1980-06-24 |
| MX146929A (es) | 1982-09-08 |
| IT1124645B (it) | 1986-05-07 |
| IN151524B (de) | 1983-05-14 |
| IT7926763A0 (it) | 1979-10-24 |
| GB2036467B (en) | 1982-12-15 |
| ES485313A0 (es) | 1980-11-01 |
| ES8100566A1 (es) | 1980-11-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry | ||
| MKEX | Expiry |
Effective date: 19990427 |