Low-frequency direct-drive high-voltage frequency converter of elevator
The invention belongs to a special high-voltage frequency converter technology and provides a low-frequency direct-drive high-voltage frequency converter of an elevator. The low-frequency direct-drivehigh-voltage frequency converter of the elevator comprises a rectifier transformer, a low-frequency...
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| creator | FENG JINGXIAO ZHENG XIAOPING WANG XIJUAN |
| description | The invention belongs to a special high-voltage frequency converter technology and provides a low-frequency direct-drive high-voltage frequency converter of an elevator. The low-frequency direct-drivehigh-voltage frequency converter of the elevator comprises a rectifier transformer, a low-frequency power unit, a main control system and a high-precision encoder. The rated capacity S0 of the rectifier transformer is selected at least according to 1.6 times of the rated power Pe of a lifting motor, namely S0 is greater than or equal to 1.6 Pe; the rectifier transformer is provided with a group of primary windings and 3*j groups of secondary windings; the primary winding is connected with a high-voltage switch cabinet for supplying power; and the rated capacity S1 of each group of secondary windings is equal to S0/(3*j), and the secondary windings are connected with three-phase input ends R, S and T of the low-frequency power unit through power cables in a one-to-one correspondence mannersuch that the total volum |
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The low-frequency direct-drivehigh-voltage frequency converter of the elevator comprises a rectifier transformer, a low-frequency power unit, a main control system and a high-precision encoder. The rated capacity S0 of the rectifier transformer is selected at least according to 1.6 times of the rated power Pe of a lifting motor, namely S0 is greater than or equal to 1.6 Pe; the rectifier transformer is provided with a group of primary windings and 3*j groups of secondary windings; the primary winding is connected with a high-voltage switch cabinet for supplying power; and the rated capacity S1 of each group of secondary windings is equal to S0/(3*j), and the secondary windings are connected with three-phase input ends R, S and T of the low-frequency power unit through power cables in a one-to-one correspondence mannersuch that the total volum</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 OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS ; CONTROL OR REGULATION THEREOF ; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS ; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRICITY ; ELEVATORS ; ESCALATORS OR MOVING WALKWAYS ; GENERATION ; HAULING ; HOISTING ; LIFTING ; PERFORMING OPERATIONS ; TRANSPORTING</subject><creationdate>2020</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=20200630&DB=EPODOC&CC=CN&NR=111355383A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200630&DB=EPODOC&CC=CN&NR=111355383A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FENG JINGXIAO</creatorcontrib><creatorcontrib>ZHENG XIAOPING</creatorcontrib><creatorcontrib>WANG XIJUAN</creatorcontrib><title>Low-frequency direct-drive high-voltage frequency converter of elevator</title><description>The invention belongs to a special high-voltage frequency converter technology and provides a low-frequency direct-drive high-voltage frequency converter of an elevator. The low-frequency direct-drivehigh-voltage frequency converter of the elevator comprises a rectifier transformer, a low-frequency power unit, a main control system and a high-precision encoder. The rated capacity S0 of the rectifier transformer is selected at least according to 1.6 times of the rated power Pe of a lifting motor, namely S0 is greater than or equal to 1.6 Pe; the rectifier transformer is provided with a group of primary windings and 3*j groups of secondary windings; the primary winding is connected with a high-voltage switch cabinet for supplying power; and the rated capacity S1 of each group of secondary windings is equal to S0/(3*j), and the secondary windings are connected with three-phase input ends R, S and T of the low-frequency power unit through power cables in a one-to-one correspondence mannersuch that the total volum</description><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</subject><subject>CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS</subject><subject>CONTROL OR REGULATION THEREOF</subject><subject>CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS</subject><subject>CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>ELECTRICITY</subject><subject>ELEVATORS</subject><subject>ESCALATORS OR MOVING WALKWAYS</subject><subject>GENERATION</subject><subject>HAULING</subject><subject>HOISTING</subject><subject>LIFTING</subject><subject>PERFORMING OPERATIONS</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHD3yS_XTStKLSxNzUuuVEjJLEpNLtFNKcosS1XIyEzP0C3LzylJTE9VQKhJzs8rSy0qSS1SyE9TSM1JLUssyS_iYWBNS8wpTuWF0twMim6uIc4euqkF-fGpxQWJyal5qSXxzn6GhobGpqbGFsaOxsSoAQCsCDR9</recordid><startdate>20200630</startdate><enddate>20200630</enddate><creator>FENG JINGXIAO</creator><creator>ZHENG XIAOPING</creator><creator>WANG XIJUAN</creator><scope>EVB</scope></search><sort><creationdate>20200630</creationdate><title>Low-frequency direct-drive high-voltage frequency converter of elevator</title><author>FENG JINGXIAO ; ZHENG XIAOPING ; WANG XIJUAN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN111355383A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2020</creationdate><topic>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</topic><topic>CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS</topic><topic>CONTROL OR REGULATION THEREOF</topic><topic>CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS</topic><topic>CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>ELECTRICITY</topic><topic>ELEVATORS</topic><topic>ESCALATORS OR MOVING WALKWAYS</topic><topic>GENERATION</topic><topic>HAULING</topic><topic>HOISTING</topic><topic>LIFTING</topic><topic>PERFORMING OPERATIONS</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>FENG JINGXIAO</creatorcontrib><creatorcontrib>ZHENG XIAOPING</creatorcontrib><creatorcontrib>WANG XIJUAN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>FENG JINGXIAO</au><au>ZHENG XIAOPING</au><au>WANG XIJUAN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Low-frequency direct-drive high-voltage frequency converter of elevator</title><date>2020-06-30</date><risdate>2020</risdate><abstract>The invention belongs to a special high-voltage frequency converter technology and provides a low-frequency direct-drive high-voltage frequency converter of an elevator. The low-frequency direct-drivehigh-voltage frequency converter of the elevator comprises a rectifier transformer, a low-frequency power unit, a main control system and a high-precision encoder. The rated capacity S0 of the rectifier transformer is selected at least according to 1.6 times of the rated power Pe of a lifting motor, namely S0 is greater than or equal to 1.6 Pe; the rectifier transformer is provided with a group of primary windings and 3*j groups of secondary windings; the primary winding is connected with a high-voltage switch cabinet for supplying power; and the rated capacity S1 of each group of secondary windings is equal to S0/(3*j), and the secondary windings are connected with three-phase input ends R, S and T of the low-frequency power unit through power cables in a one-to-one correspondence mannersuch that the total volum</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 OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROL OR REGULATION THEREOF CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY ELEVATORS ESCALATORS OR MOVING WALKWAYS GENERATION HAULING HOISTING LIFTING PERFORMING OPERATIONS TRANSPORTING |
| title | Low-frequency direct-drive high-voltage frequency converter of elevator |
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