High voltage switch with isolated power
First Claim
Patent Images
1. A high voltage switch comprising:
- a high voltage power supply having a voltage greater than 5 kV;
a first switch module comprising;
a first switch having a first voltage rating;
a first transformer electrically or inductively coupled with a control voltage power source and electrically or inductively coupled with the first switch, providing a voltage less than the first voltage rating; and
a first switch trigger electrically or inductively coupled with the first switch;
a second switch module arranged in series with the first switch module, the second switch module comprising;
a second switch having a second voltage rating;
a second transformer electrically or inductively coupled with the control voltage power electrically or inductively and electrically coupled with the second switch, providing a voltage less than the second voltage rating; and
a second switch trigger electrically or inductively coupled with the second switch, wherein the second switch trigger is independently triggered relative to the first switch trigger, anda plasma electrically or inductively coupled with the first switch module and/or the second switch module, the plasma having a capacitance less than about 20 nF, and the plasma receiving pulses from the high voltage power supply greater than either the first switch voltage rating and/or the second switch voltage rating.
3 Assignments
0 Petitions
Accused Products
Abstract
A high voltage switch comprising: a high voltage power supply providing power greater than about 5 kV; a control voltage power source; a plurality of switch modules arranged in series with respect to each other each of the plurality of switch modules configured to switch power from the high voltage power supply, and an output configured to output a pulsed output signal having a voltage greater than the rating of any switch of the plurality of switch modules, a pulse width less than 2 μs, and at a pulse frequency greater than 10 kHz.
50 Citations
28 Claims
-
1. A high voltage switch comprising:
-
a high voltage power supply having a voltage greater than 5 kV; a first switch module comprising; a first switch having a first voltage rating; a first transformer electrically or inductively coupled with a control voltage power source and electrically or inductively coupled with the first switch, providing a voltage less than the first voltage rating; and a first switch trigger electrically or inductively coupled with the first switch; a second switch module arranged in series with the first switch module, the second switch module comprising; a second switch having a second voltage rating; a second transformer electrically or inductively coupled with the control voltage power electrically or inductively and electrically coupled with the second switch, providing a voltage less than the second voltage rating; and a second switch trigger electrically or inductively coupled with the second switch, wherein the second switch trigger is independently triggered relative to the first switch trigger, and a plasma electrically or inductively coupled with the first switch module and/or the second switch module, the plasma having a capacitance less than about 20 nF, and the plasma receiving pulses from the high voltage power supply greater than either the first switch voltage rating and/or the second switch voltage rating. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
-
-
13. A high voltage switch comprising:
-
a high voltage power supply providing power greater than about 5 kV; a control voltage power source; a plurality of switch modules arranged in series with respect to each other, each of the plurality of switch modules configured to switch power from the high voltage power supply, each of the plurality of switch modules comprising; a switch having a collector, an emitter, and a gate, and a voltage rating; a transformer electrically or inductively coupled with the control voltage power source and electrically or inductively coupled with the switch; and a gate trigger electrically or inductively coupled with the gate of the switch, wherein the switch is opened and closed based on a signal from the gate trigger; and an output configured to output a pulsed output signal having a voltage greater than the rating of any switch of the plurality of switch modules, a pulse width less than 2 μ
s, and at a pulse frequency greater than 10 kHz;wherein each gate trigger of each of the plurality of switch modules are independently triggered. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22)
-
-
23. A method comprising:
-
closing a first switch of a plurality of switches, the plurality of switches comprising n switches, while opening n−
1 switches of the plurality of switches for a first plurality of time, wherein the plurality of switches are electrically and/or inductively coupled with a power supply that produces a high voltage V that is greater than 5 kV;outputting an output switched pulses with a voltage - View Dependent Claims (24, 25, 26, 27, 28)
-
Specification