Piecewise Linear Model for Snubberless Dual Active Bridge Commutation
A dual active bridge (DAB) converter promises high power density. The highest power transfer can be achieved by phase shift modulation inside the zero-voltage switching boundaries. This paper analyzes the transients of DAB commutation. Although commutation has been previously analyzed for DAB with t...
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| Veröffentlicht in: | IEEE transactions on industry applications 2015-09, Vol.51 (5), p.4072-4078 |
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| container_title | IEEE transactions on industry applications |
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| creator | Farhangi, Babak Toliyat, Hamid A. |
| description | A dual active bridge (DAB) converter promises high power density. The highest power transfer can be achieved by phase shift modulation inside the zero-voltage switching boundaries. This paper analyzes the transients of DAB commutation. Although commutation has been previously analyzed for DAB with the linear turn-off snubbers, in today's industries, the output capacitors of the switches are utilized as the snubberless approach. The presence of these time-variant capacitors leads to nonlinear equations. This paper applies a piecewise linear model for analyzing the commutation of the ac-link current into the switches. The study is inspired by practical experiments, and the results are experimentally verified. |
| doi_str_mv | 10.1109/TIA.2015.2434803 |
| format | Article |
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The highest power transfer can be achieved by phase shift modulation inside the zero-voltage switching boundaries. This paper analyzes the transients of DAB commutation. Although commutation has been previously analyzed for DAB with the linear turn-off snubbers, in today's industries, the output capacitors of the switches are utilized as the snubberless approach. The presence of these time-variant capacitors leads to nonlinear equations. This paper applies a piecewise linear model for analyzing the commutation of the ac-link current into the switches. 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The study is inspired by practical experiments, and the results are experimentally verified.</description><subject>Batteries</subject><subject>Battery charger</subject><subject>Bridge circuits</subject><subject>Capacitors</subject><subject>deadtime</subject><subject>high frequency ac link</subject><subject>Inductors</subject><subject>isolated dc-dc converter</subject><subject>Mathematical model</subject><subject>MOSFET</subject><subject>physics based modeling</subject><subject>series ac link</subject><subject>state space model</subject><subject>Switches</subject><subject>transient anlyzes</subject><issn>0093-9994</issn><issn>1939-9367</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kEFLwzAYhoMoOKd3wUvAc2eSJk1znHPqoKLgPIc0_SIZXTOTVvHf27Hh5fsuz_u-8CB0TcmMUqLu1qv5jBEqZoznvCT5CZpQlatM5YU8RRNCVJ4ppfg5ukhpQwjlgvIJWr55sPDjE-DKd2AifgkNtNiFiN-7oa4htpASfhhMi-e299-A76NvPgEvwnY79Kb3obtEZ860Ca6Of4o-HpfrxXNWvT6tFvMqs0zRPuNlrZxjAFIUjlgjJHBbFIJKIOO1wBhYWTRNU7OSW1ZLwZvSKVM7ayxx-RTdHnp3MXwNkHq9CUPsxklN5TghqSjISJEDZWNIKYLTu-i3Jv5qSvRelh5l6b0sfZQ1Rm4OEQ8A_7gc2ZKX-R9L1WWN</recordid><startdate>201509</startdate><enddate>201509</enddate><creator>Farhangi, Babak</creator><creator>Toliyat, Hamid A.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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The highest power transfer can be achieved by phase shift modulation inside the zero-voltage switching boundaries. This paper analyzes the transients of DAB commutation. Although commutation has been previously analyzed for DAB with the linear turn-off snubbers, in today's industries, the output capacitors of the switches are utilized as the snubberless approach. The presence of these time-variant capacitors leads to nonlinear equations. This paper applies a piecewise linear model for analyzing the commutation of the ac-link current into the switches. The study is inspired by practical experiments, and the results are experimentally verified.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TIA.2015.2434803</doi><tpages>7</tpages></addata></record> |
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| source | IEEE Electronic Library (IEL) |
| subjects | Batteries Battery charger Bridge circuits Capacitors deadtime high frequency ac link Inductors isolated dc-dc converter Mathematical model MOSFET physics based modeling series ac link state space model Switches transient anlyzes |
| title | Piecewise Linear Model for Snubberless Dual Active Bridge Commutation |
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