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Switching arrangement

A switching device and switching technology, applied in the direction of electric pulse generator circuit, energy storage element generating pulse, electrical element, etc., can solve problems such as loss, difference, thermal problem efficiency, etc.

Active Publication Date: 2013-07-17
テレダインユーケイリミテッド
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the switching devices described above, different energy levels are only possible by dissipating a portion of the energy stored in the capacitor in a resistive load, which will lead to thermal problems and loss of efficiency

Method used

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Embodiment Construction

[0017] In all figures, identical parts have been given identical reference numerals.

[0018] see image 3 , the switching device of the present invention comprises a first switching device in the form of a high voltage switch stack S comprising solid state switches connected in series for switching the stored Capacitor C is connected to load R1 (magnetron). The storage capacitor C consists of a stack of capacitive elements C1-C9 arranged in series ( Figure 4 shown in ). The storage capacitor is charged by the high voltage power supply 2 .

[0019] According to the invention, the second switching means S1, S2 are used to enable the capacitive element C1 to switch out and switch in the stack of capacitive elements C1-C9 (not shown). Switching means S1, S2 connect the low voltage side of the load to the entire series connection C1-C9 or the series connection C2-C9. When the high voltage switch stack S is closed, either of the two HT voltage levels (C1-C9 or C2-C9) is switc...

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Abstract

A switching arrangement for applying voltage pulses across a load, comprising a plurality of capacitive elements (C1 - C9 ) connected in series, and a first switch arrangement (S) connected to the series connection to apply voltage pulses to the load, and a second switch arrangement (S1, S2) connected to a capacitive element of the series connection, such that one of the capacitive elements (C1) can be switched out of or switched into the series connection, in order to produce voltage pulses of respectively lower or higher levels, without the need to dissipate energy into a resistive load.

Description

technical field [0001] This invention relates to switching arrangements and in particular to switching arrangements for applying high voltage pulses across a load. Background technique [0002] Referring to Fig. 1, it is a schematic circuit diagram of a known switching device comprising a storage capacitor C and a switching device S (US Patent No. 6,396,332). The switch S is controlled by a flip-flop drive system 1 to apply a high voltage pulse to the load R 1 (for example, a magnetron) and the storage capacitor can be recharged by the DC power supply 2 . The combination of a switching device and a DC power source is often referred to as a modulator. The input pulse to the flip-flop drive system (t 1 to t 2 ) causes a high voltage pulse to be applied across the load resistor, the applied voltage pulse is given by the waveform E dc Shows. The storage capacitor may consist of a stack of capacitive elements connected in series, and each capacitive element may consist of a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03K3/53
CPCH03K3/53H05H9/00H03K3/57
Inventor 斯蒂芬·马克·伊斯坎达尔迈克尔·约翰·布兰德保罗·里奇韦尔
Owner テレダインユーケイリミテッド
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