H - Electricity – 02 – P
Patent
H - Electricity
02
P
H02P 31/00 (2006.01) H01F 6/06 (2006.01) H02K 3/00 (2006.01) H02K 55/00 (2006.01) H02M 1/08 (2006.01) H02M 3/157 (2006.01) H02M 3/158 (2006.01) H02P 7/282 (2006.01)
Patent
CA 2567964
A system and method for charging and discharging a superconducting coil (12). The system comprising a boost converter (16) coupled between a low-voltage (20) bus and a high voltage bus (18), and a buck converter coupled between the high-voltage bus and the coil. The system being configured to charge and discharge the coil without reversing the current while reversing polarity, and to only supply high- voltages when necessary. The system further comprising means (42) to dissipate excess energy during discharge. The method comprising pulse width modulating the solid-state switch of a boost converter to achieve a high-voltage from a low-voltage and then switching solid-state switches of a buck regulator to charge or discharge the coil in a non current reversing, polarity reversing manner.
Garces Luis Jose
Steigerwald Robert Louis
Company General Electric
Craig Wilson And Company
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