GB1422700A - Transformer on-load tap changing system - Google Patents
Transformer on-load tap changing systemInfo
- Publication number
- GB1422700A GB1422700A GB2138673A GB2138673A GB1422700A GB 1422700 A GB1422700 A GB 1422700A GB 2138673 A GB2138673 A GB 2138673A GB 2138673 A GB2138673 A GB 2138673A GB 1422700 A GB1422700 A GB 1422700A
- Authority
- GB
- United Kingdom
- Prior art keywords
- transformer
- rectifiers
- control unit
- controllable
- secondaries
- 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
- 238000010304 firing Methods 0.000 abstract 5
- 239000003990 capacitor Substances 0.000 abstract 1
- 230000001960 triggered effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/72—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region
- H03K17/722—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region with galvanic isolation between the control circuit and the output circuit
- H03K17/723—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region with galvanic isolation between the control circuit and the output circuit using transformer coupling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F19/00—Fixed transformers or mutual inductances of the signal type
- H01F19/04—Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range
- H01F19/08—Transformers having magnetic bias, e.g. for handling pulses
- H01F2019/085—Transformer for galvanic isolation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
- Keying Circuit Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722221830 DE2221830C3 (de) | 1972-05-04 | Steuerung für in Reihe zu den beiden Wählerarmen von Stufenschalteinrichtungen in Transformatoren vorgesehenen Thyristor-Lastumschaltern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1422700A true GB1422700A (en) | 1976-01-28 |
Family
ID=5844042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2138673A Expired GB1422700A (en) | 1972-05-04 | 1973-05-04 | Transformer on-load tap changing system |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH551079A (cg-RX-API-DMAC7.html) |
| FR (1) | FR2183276B3 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1422700A (cg-RX-API-DMAC7.html) |
-
1973
- 1973-05-02 CH CH627173A patent/CH551079A/xx not_active IP Right Cessation
- 1973-05-04 FR FR7316189A patent/FR2183276B3/fr not_active Expired
- 1973-05-04 GB GB2138673A patent/GB1422700A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2221830B2 (de) | 1977-01-20 |
| DE2221830A1 (de) | 1973-11-15 |
| FR2183276B3 (cg-RX-API-DMAC7.html) | 1976-04-23 |
| CH551079A (de) | 1974-06-28 |
| FR2183276A1 (cg-RX-API-DMAC7.html) | 1973-12-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4051425A (en) | Ac to dc power supply circuit | |
| US3273041A (en) | Circuit with controlled rectifiers and improved ignition thereof | |
| GB1335245A (en) | Hv dc networks | |
| US2836735A (en) | Impulse generator for electric fishing | |
| US3263153A (en) | Inverter commutating capacitor charging system | |
| US3339107A (en) | Direct current power supply | |
| US3349314A (en) | Inverter utilizing an auxiliary controlled rectifier for commutating the power controlled rectifiers | |
| US4151453A (en) | Induction motor control system | |
| GB915853A (en) | Inverter network utilising controlled semi-conductor devices | |
| GB1252594A (cg-RX-API-DMAC7.html) | ||
| US3319153A (en) | Automatic voltage control circuit employing electronic tap charger | |
| GB1503867A (en) | Hybrid power switch | |
| GB1053581A (cg-RX-API-DMAC7.html) | ||
| US3331011A (en) | Inverter control means | |
| US3302093A (en) | Electric frequency changers | |
| US2600519A (en) | Sequence control circuit and timer | |
| US3246226A (en) | Inverter network | |
| GB1422700A (en) | Transformer on-load tap changing system | |
| US3315143A (en) | Output current polarity sensing circuit for cycloconverters | |
| US3371248A (en) | Overcurrent protection apparatus | |
| US3668511A (en) | Self energizing tap switch for electronic tap changer | |
| US3600665A (en) | Firing circuit for gate-controlled power switches | |
| US4173039A (en) | Current based power supply | |
| US2166310A (en) | Electric valve circuit | |
| US4529888A (en) | High voltage solid state relay |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |