US 11,742,808 B1
Compact pulsed power supplies
Harish S. Krishnamoorthy, Missouri City, TX (US); and Yu Yao, Cupertino, CA (US)
Assigned to University of Houston System, Houston, TX (US)
Filed by University of Houston System, Houston, TX (US)
Filed on Sep. 15, 2022, as Appl. No. 17/945,811.
Int. Cl. H03F 3/217 (2006.01); H02M 7/5387 (2007.01)
CPC H03F 3/2178 (2013.01) 20 Claims
OG exemplary drawing
 
1. A nuclear magnetic resonance (NMR) power supply system comprising:
an isolated converter comprising a transformer and a controller, the controller comprising a limiter, wherein an upper limit of the limiter is set as a reference of average power at maximum load,
wherein the isolated converter is configured to have a variable voltage at an output thereof;
an energy storage component, wherein the variable voltage is input to the energy storage component, and wherein the energy storage component is configured to allow the variable voltage to have a voltage droop of greater than 2% from a peak voltage of the variable voltage;
a DC-DC converter, wherein a variable voltage from the energy storage component is input to the DC-DC converter, and wherein the DC-DC converter is configured to convert the variable voltage from the energy storage component to a steady output voltage relative to the variable voltage from the energy storage component; and
a non-isolated RF signal generator comprising an NMR coil or an antenna, wherein the steady output voltage is input to the RF signal generator, and wherein the RF signal generator is configured to transmit an RF signal using the NMR coil or antenna.