Method for adjusting impedance of grounding transformer through leakage flux
The invention provides a method for adjusting impedance of a grounding transformer through leakage flux. The method comprises the following steps: firstly, setting the impedance height of an outer coil of the transformer as h2 and the impedance height of an inner coil as h1, wherein h1 is more than...
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| creator | ZUO ZHENLU LU HONGBING ZHANG BIN XIA SIPING ZHANG WEI DAI JINLONG |
| description | The invention provides a method for adjusting impedance of a grounding transformer through leakage flux. The method comprises the following steps: firstly, setting the impedance height of an outer coil of the transformer as h2 and the impedance height of an inner coil as h1, wherein h1 is more than h2; decomposing the leakage magnetic fields generated by the outer coil and the inner coil of the transformer into the following two components: a longitudinal component formed by an axial leakage magnetic field and a horizontal component formed by a radial leakage magnetic field; replacing the outer coil and the inner coil of the transformer by a coil A and a coil B; lastly, calculating the inductive reactance x1 of the coil A, the inductive reactance x2 of the coil B and the impedance xk of the grounding transformer, wherein xk is equal to x1+x2; adjusting the impedance height h1 of the inner coil according to the inputted impedance of the grounding transformer. According to the method, the impedance height is ch |
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The method comprises the following steps: firstly, setting the impedance height of an outer coil of the transformer as h2 and the impedance height of an inner coil as h1, wherein h1 is more than h2; decomposing the leakage magnetic fields generated by the outer coil and the inner coil of the transformer into the following two components: a longitudinal component formed by an axial leakage magnetic field and a horizontal component formed by a radial leakage magnetic field; replacing the outer coil and the inner coil of the transformer by a coil A and a coil B; lastly, calculating the inductive reactance x1 of the coil A, the inductive reactance x2 of the coil B and the impedance xk of the grounding transformer, wherein xk is equal to x1+x2; adjusting the impedance height h1 of the inner coil according to the inputted impedance of the grounding transformer. 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The method comprises the following steps: firstly, setting the impedance height of an outer coil of the transformer as h2 and the impedance height of an inner coil as h1, wherein h1 is more than h2; decomposing the leakage magnetic fields generated by the outer coil and the inner coil of the transformer into the following two components: a longitudinal component formed by an axial leakage magnetic field and a horizontal component formed by a radial leakage magnetic field; replacing the outer coil and the inner coil of the transformer by a coil A and a coil B; lastly, calculating the inductive reactance x1 of the coil A, the inductive reactance x2 of the coil B and the impedance xk of the grounding transformer, wherein xk is equal to x1+x2; adjusting the impedance height h1 of the inner coil according to the inputted impedance of the grounding transformer. According to the method, the impedance height is ch</description><subject>BASIC ELECTRIC ELEMENTS</subject><subject>ELECTRICITY</subject><subject>INDUCTANCES</subject><subject>MAGNETS</subject><subject>SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES</subject><subject>TRANSFORMERS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2017</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZPDxTS3JyE9RSMsvUkhMySotLsnMS1fIzC1ITUnMS05VyE9TSC_KL81LAQmXFCXmFQNV5qYWKZRkAIXTMxRyUhOzE9NTFdJySit4GFjTEnOKU3mhNDeDoptriLOHbmpBfnxqcUFicmpeakm8s5-hgZmxhYmZqamjMTFqANO5NlU</recordid><startdate>20170208</startdate><enddate>20170208</enddate><creator>ZUO ZHENLU</creator><creator>LU HONGBING</creator><creator>ZHANG BIN</creator><creator>XIA SIPING</creator><creator>ZHANG WEI</creator><creator>DAI JINLONG</creator><scope>EVB</scope></search><sort><creationdate>20170208</creationdate><title>Method for adjusting impedance of grounding transformer through leakage flux</title><author>ZUO ZHENLU ; LU HONGBING ; ZHANG BIN ; XIA SIPING ; ZHANG WEI ; DAI JINLONG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN106384655A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2017</creationdate><topic>BASIC ELECTRIC ELEMENTS</topic><topic>ELECTRICITY</topic><topic>INDUCTANCES</topic><topic>MAGNETS</topic><topic>SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES</topic><topic>TRANSFORMERS</topic><toplevel>online_resources</toplevel><creatorcontrib>ZUO ZHENLU</creatorcontrib><creatorcontrib>LU HONGBING</creatorcontrib><creatorcontrib>ZHANG BIN</creatorcontrib><creatorcontrib>XIA SIPING</creatorcontrib><creatorcontrib>ZHANG WEI</creatorcontrib><creatorcontrib>DAI JINLONG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ZUO ZHENLU</au><au>LU HONGBING</au><au>ZHANG BIN</au><au>XIA SIPING</au><au>ZHANG WEI</au><au>DAI JINLONG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method for adjusting impedance of grounding transformer through leakage flux</title><date>2017-02-08</date><risdate>2017</risdate><abstract>The invention provides a method for adjusting impedance of a grounding transformer through leakage flux. The method comprises the following steps: firstly, setting the impedance height of an outer coil of the transformer as h2 and the impedance height of an inner coil as h1, wherein h1 is more than h2; decomposing the leakage magnetic fields generated by the outer coil and the inner coil of the transformer into the following two components: a longitudinal component formed by an axial leakage magnetic field and a horizontal component formed by a radial leakage magnetic field; replacing the outer coil and the inner coil of the transformer by a coil A and a coil B; lastly, calculating the inductive reactance x1 of the coil A, the inductive reactance x2 of the coil B and the impedance xk of the grounding transformer, wherein xk is equal to x1+x2; adjusting the impedance height h1 of the inner coil according to the inputted impedance of the grounding transformer. According to the method, the impedance height is ch</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS ELECTRICITY INDUCTANCES MAGNETS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TRANSFORMERS |
| title | Method for adjusting impedance of grounding transformer through leakage flux |
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