http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-101479299-B1
Outgoing Links
Predicate | Object |
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classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01R27-2605 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H02M3-28 |
classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01R27-26 |
filingDate | 2013-06-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
grantDate | 2015-01-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationDate | 2015-01-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber | KR-101479299-B1 |
titleOfInvention | Method for estimating capacitance of capacitors in brushless dc motor drive system |
abstract | According to an embodiment of the present invention for estimating a capacitance of a VDD motor drive system, a capacity of a capacitor in a VDD motor drive system is measured to diagnose a deterioration state and predict a state of the capacitor, When the VDD motor is decelerated in a generator mode in which energy is transferred from a 3-phase AC power source to a DC power source by rotation of the VDD motor, an average value of the charging current charged in the capacitor connected in parallel to the preceding stage of the inverter circuit is calculated ; Calculating a variation with time of the charge voltage measured across the capacitor; And estimating a capacitance of the capacitor based on an average value of the charging current and a variation amount of the charging voltage. |
priorityDate | 2013-06-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Predicate | Subject |
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isDiscussedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/compound/CID5156490 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID426060530 |
Total number of triples: 13.