PULSING POWER SUPPLY WITH POWERED CROWBAR
A pulsing power supply is disclosed. The pulsing power supply includes a pulser having an output that outputs pulses greater than 5 kV with a pulse repetition frequency greater than 10 kHz; a powered crowbar circuit electrically coupled across the output, the powered crowbar circuit including a DC source, wherein a polarity of the DC power supply is arranged opposite a polarity of the pulser; a transformer having a primary side and a secondary side, the primary side of the transformer is electrically coupled across the output of the pulser and across the powered crowbar circuit; and a plurality of electrodes electrically coupled with the secondary-side of the transformer.
1 . A pulsing power supply system comprising:
a pulser having an output that outputs pulses greater than 5 kV with a pulse repetition frequency greater than 10 kHz;
a powered crowbar circuit electrically coupled across the output, the powered crowbar circuit includes a DC source and a diode arranged in series, a polarity of the DC source is arranged opposite a polarity of the pulser;
a transformer having a primary side and a secondary side, the primary side of the transformer is electrically coupled across the output of the pulser and across the powered crowbar circuit; and
a one or more electrodes electrically coupled with the secondary-side of the transformer.
2 . The pulsing power supply system according to claim 1 , further comprising one or more diodes electrically coupled with respective ones of the one or more electrodes.
3 . The pulsing power supply system according to claim 1 , further comprising:
a second pulser having a second output that outputs pulses greater than 5 kV with a pulse repetition frequency greater than 10 kHz;
a second powered crowbar circuit electrically coupled across the second output, the second powered crowbar circuit including a DC source;
a second transformer having a primary side and a secondary side, the primary side of the second transformer is electrically coupled across the output of the second pulser and across the second powered crowbar circuit; and
a second one or more electrodes electrically coupled with the secondary-side of the second transformer.
4 . The pulsing power supply according to claim 1 , wherein the inductance of the powered crowbar circuit is less than about 100 nH.
5 . The pulsing power supply according to claim 1 , wherein the pulser outputs pulses with a voltage V 1 , a pulse width of T 1 , and a pulse turn off time of T 2 , and the voltage of the DC source outputs a voltage V 2 , wherein |V 1 |T 1 ≤|V 2 |T 2 .
6 . The pulsing power supply according to claim 1 , wherein the DC source comprises an energy storage capacitor and a DC power supply.
7 . The pulsing power supply according to claim 1 , further comprising an energy recovery circuit electrically coupled with the powered crowbar circuit and a DC power source of the pulser.
8 . A pulsing power supply comprising:
a pulser having an output that outputs pulses greater than 5 kV with a pulse repetition frequency greater than 10 kHz;
a transformer having a primary side and a secondary side, the secondary-side having a first end and a second end; and
a powered crowbar circuit electrically coupled across the output of the pulser and across the primary side of the transformer, the powered crowbar circuit comprising:
a DC source; and
a crowbar diode having an anode.
9 . The pulsing power supply according to claim 8 , wherein a polarity of the DC source is arranged opposite a polarity of the pulser.
10 . The pulsing power supply according to claim 8 , wherein the inductance of the powered crowbar circuit is less than about 100 nH.
11 . The pulsing power supply according to claim 8 , wherein the pulser outputs pulses with a voltage V 1 , a pulse width of T 1 , and a pulse turn off time of T 2 , and the voltage of the DC source outputs a voltage V 2 , wherein |V 1 |T 1 ≤|V 2 |T 2 .
12 . The pulsing power supply according to claim 8 , wherein the DC source comprises an energy storage capacitor and a DC power supply.
13 . The pulsing power supply according to claim 8 , further comprising a first secondary-side diode electrically coupled with the first end of the secondary-side of the transformer.
14 . The pulsing power supply according to claim 13 , further comprising an electrode electrically coupled with the first secondary-side diode.
15 . The pulsing power supply according to claim 13 , further comprising a secondary-side diode electrically coupled with the second end of the secondary-side of the transformer, the secondary-side diode has a polarity opposite a polarity of the first secondary-side diode.
16 . The pulsing power supply according to claim 15 , further comprising a second electrode electrically coupled with the secondary-side diode.
17 . The pulsing power supply according to claim 8 , further comprising an energy recovery circuit electrically coupled with the powered crowbar circuit and a DC power source of the pulser.
18 . A pulsing power supply comprising:
a pulser having an output with a voltage V 1 that outputs pulses with a voltage greater than 5 kV, a pulse width of T 1 , and a pulse turn off time of T 2 ;
a powered crowbar circuit electrically coupled across the output, the powered crowbar circuit including a DC source having a voltage V 2 ; and
a transformer having a primary side and a secondary side, the primary side of the transformer is electrically coupled across the output of the pulser and across the powered crowbar circuit;
wherein |V 1 |T 1 ≤|V 2 |T 2 .
19 . The pulsing power supply according to claim 18 , wherein the inductance of the powered crowbar circuit is less than about 100 nH.
20 . The pulsing power supply according to claim 18 , wherein the powered crowbar circuit comprises:
a capacitor arranged across the DC source; and
a crowbar diode having an anode electrically coupled with the pulser.
21 . The pulsing power supply according to claim 18 , further comprising:
a first plurality of electrodes electrically coupled with the secondary-side of the first transformer; and
a second plurality of electrodes electrically coupled with the secondary-side of the second transformer.
22 . The pulsing power supply according to claim 18 , wherein a polarity of the DC source is arranged opposite a polarity of the pulser.
23 . The pulsing power supply according to claim 18 , wherein the DC source comprises an energy storage capacitor and a DC power supply.
24 . The pulsing power supply according to claim 18 , further comprising an energy recovery circuit electrically coupled with the powered crowbar circuit and a DC power source of the pulser.