Sampling calibration circuit and automatic test equipment
The invention provides a sampling calibration circuit and automatic test equipment, and the sampling calibration circuit comprises an acquisition module which is used for acquiring the bus voltage of a frequency converter; a calibration module; the input end of the acquisition module is electrically...
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| creator | LIAO XIANGHENG LI DIPENG |
| description | The invention provides a sampling calibration circuit and automatic test equipment, and the sampling calibration circuit comprises an acquisition module which is used for acquiring the bus voltage of a frequency converter; a calibration module; the input end of the acquisition module is electrically connected with the bus voltage output end of the frequency converter and the three-phase voltage output end of the frequency converter, the output end of the acquisition module is electrically connected with the input end of the calibration module, and the output end of the calibration module is in signal connection with the frequency converter; the calibration module reads the voltage displayed by the frequency converter, inputs the bus voltage acquired by the acquisition module into the calibration module, compares the bus voltage with the voltage displayed by the frequency converter, and adjusts the system parameters of the frequency converter according to the comparison result; the difference value between the |
| format | Patent |
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a calibration module; the input end of the acquisition module is electrically connected with the bus voltage output end of the frequency converter and the three-phase voltage output end of the frequency converter, the output end of the acquisition module is electrically connected with the input end of the calibration module, and the output end of the calibration module is in signal connection with the frequency converter; the calibration module reads the voltage displayed by the frequency converter, inputs the bus voltage acquired by the acquisition module into the calibration module, compares the bus voltage with the voltage displayed by the frequency converter, and adjusts the system parameters of the frequency converter according to the comparison result; the difference value between the</description><language>chi ; eng</language><subject>MEASURING ; MEASURING ELECTRIC VARIABLES ; MEASURING MAGNETIC VARIABLES ; PHYSICS ; TESTING</subject><creationdate>2023</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=20230203&DB=EPODOC&CC=CN&NR=115684707A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230203&DB=EPODOC&CC=CN&NR=115684707A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LIAO XIANGHENG</creatorcontrib><creatorcontrib>LI DIPENG</creatorcontrib><title>Sampling calibration circuit and automatic test equipment</title><description>The invention provides a sampling calibration circuit and automatic test equipment, and the sampling calibration circuit comprises an acquisition module which is used for acquiring the bus voltage of a frequency converter; a calibration module; the input end of the acquisition module is electrically connected with the bus voltage output end of the frequency converter and the three-phase voltage output end of the frequency converter, the output end of the acquisition module is electrically connected with the input end of the calibration module, and the output end of the calibration module is in signal connection with the frequency converter; the calibration module reads the voltage displayed by the frequency converter, inputs the bus voltage acquired by the acquisition module into the calibration module, compares the bus voltage with the voltage displayed by the frequency converter, and adjusts the system parameters of the frequency converter according to the comparison result; the difference value between the</description><subject>MEASURING</subject><subject>MEASURING ELECTRIC VARIABLES</subject><subject>MEASURING MAGNETIC VARIABLES</subject><subject>PHYSICS</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLAMTswtyMnMS1dITszJTCpKLMnMz1NIzixKLs0sUUjMS1FILC3JzwUKJyuUpBaXKKQWlmYW5KbmlfAwsKYl5hSn8kJpbgZFN9cQZw_d1IL8-NTigsTk1LzUknhnP0NDUzMLE3MDc0djYtQAAHegLzY</recordid><startdate>20230203</startdate><enddate>20230203</enddate><creator>LIAO XIANGHENG</creator><creator>LI DIPENG</creator><scope>EVB</scope></search><sort><creationdate>20230203</creationdate><title>Sampling calibration circuit and automatic test equipment</title><author>LIAO XIANGHENG ; LI DIPENG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN115684707A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2023</creationdate><topic>MEASURING</topic><topic>MEASURING ELECTRIC VARIABLES</topic><topic>MEASURING MAGNETIC VARIABLES</topic><topic>PHYSICS</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>LIAO XIANGHENG</creatorcontrib><creatorcontrib>LI DIPENG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LIAO XIANGHENG</au><au>LI DIPENG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Sampling calibration circuit and automatic test equipment</title><date>2023-02-03</date><risdate>2023</risdate><abstract>The invention provides a sampling calibration circuit and automatic test equipment, and the sampling calibration circuit comprises an acquisition module which is used for acquiring the bus voltage of a frequency converter; a calibration module; the input end of the acquisition module is electrically connected with the bus voltage output end of the frequency converter and the three-phase voltage output end of the frequency converter, the output end of the acquisition module is electrically connected with the input end of the calibration module, and the output end of the calibration module is in signal connection with the frequency converter; the calibration module reads the voltage displayed by the frequency converter, inputs the bus voltage acquired by the acquisition module into the calibration module, compares the bus voltage with the voltage displayed by the frequency converter, and adjusts the system parameters of the frequency converter according to the comparison result; the difference value between the</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING |
| title | Sampling calibration circuit and automatic test equipment |
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