http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0288111-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_a2caa4d4824e1fcf81837f114d97211b |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02B70-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H02M1-346 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H02M7-5155 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H02M1-34 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H02M7-487 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H02M7-5387 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H02M7-487 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H02M7-48 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H02M7-515 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H02M7-5387 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H02M1-34 |
| filingDate | 1988-04-11^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_da77a0ee75864058710abf6579b9743c http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3453af34aa9945a6c3833d0c8288b9ac |
| publicationDate | 1988-10-26^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | EP-0288111-A1 |
| titleOfInvention | Symmetrical electrical snubber circuit |
| abstract | Symmetrical electrical snubber circuit for protecting at least two series-connected switch members (S₁; S₂) against excessive voltage and current increase during switching. The voltage increase over each of said switch members is limited by a series circuit of a capacitor and an element having diode action (D₁, C₁; D₂, D₂) connected in parallel with said switch members. The magnitude of the DC supply voltage is effectively limited by a further series circuit of a capactior and an element having diode action (D₃, C₃; D₄, C₄) connected with said switch members. A freewheeling diode (D₅, D₆) is connected in parallel with each of said switch members. By incorporating a coil (L₁, L₂) in the supply lines to the switch members, the current increase during switching-on of a switch member is limited. Like this, a symmetrical snubber circuit which is as low in stray inductance as possible is obtained. The energy stored in the coils (L₁, L₂) as well as the energy stored in the capacitors (C₁; C₂) being transferred to the further capacitors (C₃; C₄) due to resonant action. The energy in these further capacitors can then be discharged with the aid of energy transport means (ET). The snubber circuit according to the invention is in essence loss-free. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2016067151-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-2298747-B http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-2298747-A |
| priorityDate | 1987-04-16^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
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