A Pulsed Power Supply Based on an Optimized SFPFN Scheme Producing Large Currents With a Flat Top on a Heavily Inductive Load
A power supply able to generate a pulsed large current (∼26 kA) with a flattop period > 10 ms for a heavily inductive load was designed based on the sequentially fired pulse forming network (SFPFN) scheme with high-energy-transfer efficiency. To overcome the high voltage stress on switching devic...
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| Veröffentlicht in: | IEEE transactions on power electronics 2021-10, Vol.36 (10), p.11221-11233 |
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| container_issue | 10 |
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| container_title | IEEE transactions on power electronics |
| container_volume | 36 |
| creator | E, Peng Ling, Wenbin Mao, Aaohua Guan, Jian Ma, Xun Li, Hongtao Yu, Zhiguo Ding, Mingjun |
| description | A power supply able to generate a pulsed large current (∼26 kA) with a flattop period > 10 ms for a heavily inductive load was designed based on the sequentially fired pulse forming network (SFPFN) scheme with high-energy-transfer efficiency. To overcome the high voltage stress on switching devices due to the SFPFN scheme, a novel electrical circuit topology was developed. In particular, the current changing rate ( di/dt ) on switching devices is limited by new designs of crowbar branch and pulse-forming unit (PFU). The assembled power supply is shown to provide an output current of a flattop of 26 kA and 12 ms on a load of 40 μ H and 4.24 mΩ with the predicted improvement in energy transfer efficiency. |
| doi_str_mv | 10.1109/TPEL.2021.3068984 |
| format | Article |
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To overcome the high voltage stress on switching devices due to the SFPFN scheme, a novel electrical circuit topology was developed. In particular, the current changing rate ( di/dt ) on switching devices is limited by new designs of crowbar branch and pulse-forming unit (PFU). 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| ispartof | IEEE transactions on power electronics, 2021-10, Vol.36 (10), p.11221-11233 |
| issn | 0885-8993 1941-0107 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Capacitors Circuits Crowbar branch Electric power supplies Energy exchange Energy transfer flattop current Power supplies Power supply pulse-forming unit (PFU) pulsed power supply Resistors sequentially fired pulse forming network (SFPFN) Stress Switches Switching Thyristors Topology |
| title | A Pulsed Power Supply Based on an Optimized SFPFN Scheme Producing Large Currents With a Flat Top on a Heavily Inductive Load |
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