IGBT (Insulated Gate Bipolar Translator) peak voltage control method and device and IGBT system
The invention provides an IGBT peak voltage control method and device and an IGBT system, and the method comprises the steps: obtaining a voltage waveform, the voltage waveform being a waveform corresponding to the change condition of the voltage of a collector electrode of an IGBT along with time u...
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| creator | LIU XULONG LI TONG TANG SHAOXI ZHANG MIN TAN ZHANGDE ZHENG PEIJIE |
| description | The invention provides an IGBT peak voltage control method and device and an IGBT system, and the method comprises the steps: obtaining a voltage waveform, the voltage waveform being a waveform corresponding to the change condition of the voltage of a collector electrode of an IGBT along with time under the control of a gate drive signal, and the gate drive signal being used for controlling the switching state of the IGBT; according to the voltage waveform, at least determining the actual peak voltage of the IGBT in the turn-off transient state; under the condition that the actual peak voltage is not in the voltage peak interval, the grid driving signal is adjusted, so that the adjusted actual peak voltage is in the voltage peak interval, the maximum value of the voltage peak interval is smaller than the maximum value of the peak voltage of the IGBT, the maximum value of the peak voltage is the maximum instantaneous voltage capable of being borne by the IGBT, and the maximum instantaneous voltage is the maxim |
| format | Patent |
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according to the voltage waveform, at least determining the actual peak voltage of the IGBT in the turn-off transient state; under the condition that the actual peak voltage is not in the voltage peak interval, the grid driving signal is adjusted, so that the adjusted actual peak voltage is in the voltage peak interval, the maximum value of the voltage peak interval is smaller than the maximum value of the peak voltage of the IGBT, the maximum value of the peak voltage is the maximum instantaneous voltage capable of being borne by the IGBT, and the maximum instantaneous voltage is the maxim</description><language>chi ; eng</language><subject>APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS ; CONTROL OR REGULATION THEREOF ; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRICITY ; GENERATION</subject><creationdate>2024</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240827&DB=EPODOC&CC=CN&NR=118554731A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240827&DB=EPODOC&CC=CN&NR=118554731A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LIU XULONG</creatorcontrib><creatorcontrib>LI TONG</creatorcontrib><creatorcontrib>TANG SHAOXI</creatorcontrib><creatorcontrib>ZHANG MIN</creatorcontrib><creatorcontrib>TAN ZHANGDE</creatorcontrib><creatorcontrib>ZHENG PEIJIE</creatorcontrib><title>IGBT (Insulated Gate Bipolar Translator) peak voltage control method and device and IGBT system</title><description>The invention provides an IGBT peak voltage control method and device and an IGBT system, and the method comprises the steps: obtaining a voltage waveform, the voltage waveform being a waveform corresponding to the change condition of the voltage of a collector electrode of an IGBT along with time under the control of a gate drive signal, and the gate drive signal being used for controlling the switching state of the IGBT; 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according to the voltage waveform, at least determining the actual peak voltage of the IGBT in the turn-off transient state; under the condition that the actual peak voltage is not in the voltage peak interval, the grid driving signal is adjusted, so that the adjusted actual peak voltage is in the voltage peak interval, the maximum value of the voltage peak interval is smaller than the maximum value of the peak voltage of the IGBT, the maximum value of the peak voltage is the maximum instantaneous voltage capable of being borne by the IGBT, and the maximum instantaneous voltage is the maxim</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION |
| title | IGBT (Insulated Gate Bipolar Translator) peak voltage control method and device and IGBT system |
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