THYRISTOR CONVERTER AND THYRISTOR FAILURE DETECTION METHOD FOR THE SAME
PROBLEM TO BE SOLVED: To provide a thyristor converter capable of reducing the number of light guides.SOLUTION: In a thyristor converter 1, a multiple series thyristor 11 in which n(n≥3) thyristors THY are connected in series is provided with a forward voltage detection circuit FVD for each m(2≤m...
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| creator | OTAKE ASUKA |
| description | PROBLEM TO BE SOLVED: To provide a thyristor converter capable of reducing the number of light guides.SOLUTION: In a thyristor converter 1, a multiple series thyristor 11 in which n(n≥3) thyristors THY are connected in series is provided with a forward voltage detection circuit FVD for each m(2≤m |
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【課題】ライトガイドの本数を削減することができるサイリスタ変換装置を提供することである。【解決手段】サイリスタ変換装置１は、ｎ（ｎ≧３）個のサイリスタＴＨＹが直列に接続された多直列サイリスタ１１に対して、ｎ個のサイリスタＴＨＹの中の連続かつ互いに異なる組み合わせのｍ（２≦ｍ＜ｎ）個のサイリスタＴＨＹ毎に、順方向電圧検出回路ＦＶＤを設け、順方向電圧検出回路ＦＶＤと一対に、順方向電圧検出回路ＦＶＤの順電圧信号ＦＶを転送するためのライトガイド４０を設ける。光信号検出器２１の故障検出回路２１１は、予め定められた基準時間内に検出されない順電圧信号ＦＶが存在した場合、多直列サイリスタ１１の中のサイリスタＴＨＹの故障を検知し、かつ、基準時間内に検出されなかった順電圧信号ＦＶの組合せにより、故障しているサイリスタＴＨＹを特定する。【選択図】図２</description><language>eng ; jpn</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>2018</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=20180208&DB=EPODOC&CC=JP&NR=2018023206A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20180208&DB=EPODOC&CC=JP&NR=2018023206A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>OTAKE ASUKA</creatorcontrib><title>THYRISTOR CONVERTER AND THYRISTOR FAILURE DETECTION METHOD FOR THE SAME</title><description>PROBLEM TO BE SOLVED: To provide a thyristor converter capable of reducing the number of light guides.SOLUTION: In a thyristor converter 1, a multiple series thyristor 11 in which n(n≥3) thyristors THY are connected in series is provided with a forward voltage detection circuit FVD for each m(2≤m<n) thyristors THY being continuous and combination different from one another in n thyristors THY, and a light guide 40 for transferring a forward voltage signal FV of a forward voltage detection circuit FVD is provided in pairs with the forward voltage detection circuit FVD. When the forward voltage signal FV not detected exists within a predetermined reference time, a failure detection circuit 211 of an optical signal detector 21 detects a failure of the thyristors THY in the multiple series thyristor 11, and identifies the thyristor THY having the failure by combination of the forward voltage signals FV not detected within the reference time.SELECTED DRAWING: Figure 2
【課題】ライトガイドの本数を削減することができるサイリスタ変換装置を提供することである。【解決手段】サイリスタ変換装置１は、ｎ（ｎ≧３）個のサイリスタＴＨＹが直列に接続された多直列サイリスタ１１に対して、ｎ個のサイリスタＴＨＹの中の連続かつ互いに異なる組み合わせのｍ（２≦ｍ＜ｎ）個のサイリスタＴＨＹ毎に、順方向電圧検出回路ＦＶＤを設け、順方向電圧検出回路ＦＶＤと一対に、順方向電圧検出回路ＦＶＤの順電圧信号ＦＶを転送するためのライトガイド４０を設ける。光信号検出器２１の故障検出回路２１１は、予め定められた基準時間内に検出されない順電圧信号ＦＶが存在した場合、多直列サイリスタ１１の中のサイリスタＴＨＹの故障を検知し、かつ、基準時間内に検出されなかった順電圧信号ＦＶの組合せにより、故障しているサイリスタＴＨＹを特定する。【選択図】図２</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 THEREOF</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>GENERATION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2018</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHAP8YgM8gwO8Q9ScPb3C3MNCnENUnD0c1FAiLs5evqEBrkquLiGuDqHePr7Kfi6hnj4uyi4ASVDPFwVgh19XXkYWNMSc4pTeaE0N4OSm2uIs4duakF-fGpxQWJyal5qSbxXgJGBoYWBkbGRgZmjMVGKAGhZLUM</recordid><startdate>20180208</startdate><enddate>20180208</enddate><creator>OTAKE ASUKA</creator><scope>EVB</scope></search><sort><creationdate>20180208</creationdate><title>THYRISTOR CONVERTER AND THYRISTOR FAILURE DETECTION METHOD FOR THE SAME</title><author>OTAKE ASUKA</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2018023206A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; jpn</language><creationdate>2018</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 THEREOF</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>GENERATION</topic><toplevel>online_resources</toplevel><creatorcontrib>OTAKE ASUKA</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>OTAKE ASUKA</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>THYRISTOR CONVERTER AND THYRISTOR FAILURE DETECTION METHOD FOR THE SAME</title><date>2018-02-08</date><risdate>2018</risdate><abstract>PROBLEM TO BE SOLVED: To provide a thyristor converter capable of reducing the number of light guides.SOLUTION: In a thyristor converter 1, a multiple series thyristor 11 in which n(n≥3) thyristors THY are connected in series is provided with a forward voltage detection circuit FVD for each m(2≤m<n) thyristors THY being continuous and combination different from one another in n thyristors THY, and a light guide 40 for transferring a forward voltage signal FV of a forward voltage detection circuit FVD is provided in pairs with the forward voltage detection circuit FVD. When the forward voltage signal FV not detected exists within a predetermined reference time, a failure detection circuit 211 of an optical signal detector 21 detects a failure of the thyristors THY in the multiple series thyristor 11, and identifies the thyristor THY having the failure by combination of the forward voltage signals FV not detected within the reference time.SELECTED DRAWING: Figure 2
【課題】ライトガイドの本数を削減することができるサイリスタ変換装置を提供することである。【解決手段】サイリスタ変換装置１は、ｎ（ｎ≧３）個のサイリスタＴＨＹが直列に接続された多直列サイリスタ１１に対して、ｎ個のサイリスタＴＨＹの中の連続かつ互いに異なる組み合わせのｍ（２≦ｍ＜ｎ）個のサイリスタＴＨＹ毎に、順方向電圧検出回路ＦＶＤを設け、順方向電圧検出回路ＦＶＤと一対に、順方向電圧検出回路ＦＶＤの順電圧信号ＦＶを転送するためのライトガイド４０を設ける。光信号検出器２１の故障検出回路２１１は、予め定められた基準時間内に検出されない順電圧信号ＦＶが存在した場合、多直列サイリスタ１１の中のサイリスタＴＨＹの故障を検知し、かつ、基準時間内に検出されなかった順電圧信号ＦＶの組合せにより、故障しているサイリスタＴＨＹを特定する。【選択図】図２</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; jpn |
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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 | THYRISTOR CONVERTER AND THYRISTOR FAILURE DETECTION METHOD FOR THE SAME |
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