Control method and system of train power supply system
The invention discloses a control method and system of a train power supply system. The control method comprises the steps that a train power supply management cabinet sends a starting signal to N train power supply units; each train power supply unit executes the following steps: an FPGA module in...
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| creator | DONG XIANGTAO LI ZIRAN ZHENG YONG CHEN XIANG LI HUA TANG YONGPU HUANG QING CAI JIE LI ZHICHENG |
| description | The invention discloses a control method and system of a train power supply system. The control method comprises the steps that a train power supply management cabinet sends a starting signal to N train power supply units; each train power supply unit executes the following steps: an FPGA module in the train power supply unit starts timing when receiving the starting signal; a control module of each train power supply unit controls a charging contactor and a short-circuit contactor to be switched on when receiving the starting signal, and controls the charging contactor to be switched off after a first preset time TC; the FPGA module sends a switch closing command after a second preset time TS; after receiving the switch closing command, a DSP module of each train power supply unit controls the switch of the train power supply unit where the DSP module is located to be closed; and the control module controls a four-quadrant rectification module to start after the closing time of the switch reaches a third pre |
| format | Patent |
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The control method comprises the steps that a train power supply management cabinet sends a starting signal to N train power supply units; each train power supply unit executes the following steps: an FPGA module in the train power supply unit starts timing when receiving the starting signal; a control module of each train power supply unit controls a charging contactor and a short-circuit contactor to be switched on when receiving the starting signal, and controls the charging contactor to be switched off after a first preset time TC; the FPGA module sends a switch closing command after a second preset time TS; after receiving the switch closing command, a DSP module of each train power supply unit controls the switch of the train power supply unit where the DSP module is located to be closed; and the control module controls a four-quadrant rectification module to start after the closing time of the switch reaches a third pre</description><language>chi ; eng</language><subject>ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL ; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES ; PERFORMING OPERATIONS ; TRANSPORTING ; VEHICLES IN GENERAL</subject><creationdate>2019</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=20190430&DB=EPODOC&CC=CN&NR=109693553A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190430&DB=EPODOC&CC=CN&NR=109693553A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>DONG XIANGTAO</creatorcontrib><creatorcontrib>LI ZIRAN</creatorcontrib><creatorcontrib>ZHENG YONG</creatorcontrib><creatorcontrib>CHEN XIANG</creatorcontrib><creatorcontrib>LI HUA</creatorcontrib><creatorcontrib>TANG YONGPU</creatorcontrib><creatorcontrib>HUANG QING</creatorcontrib><creatorcontrib>CAI JIE</creatorcontrib><creatorcontrib>LI ZHICHENG</creatorcontrib><title>Control method and system of train power supply system</title><description>The invention discloses a control method and system of a train power supply system. 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| language | chi ; eng |
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| subjects | ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS TRANSPORTING VEHICLES IN GENERAL |
| title | Control method and system of train power supply system |
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