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A New Kind Of High Voltage Ceramic CapacitorBy Expert Author: Luciano Castaneda
EHV voltage ceramic capacitors super good performance , increasingly more attention by scientists , especially in major areas such as research and development , aviation , aerospace , laser, and other army field. Below we EHV porcelain capacitors on a basic parameter to investigate why scientists ( inventor ) would prefer ceramic capacitor.
Very first, super high voltage porcelain capacitors have performance, but smaller . For example, this article highlights the 150KVDC 1000PF in order to EHV ceramic capacitors , rated operating voltage 150KVDC, operating frequency is 200KHZ, current associated with 100A to 200A. In this work environment is concerned, can be quite severe it. High voltage , extremely -frequency , large current, All these conditions together, as well as playing a large practical capacitors.
Secondly, we analyze the design. To meet the above requirements, the design Fengyun capacitance , we ought to do points: Very first, the peak voltage ( pulse voltage ) in accordance with a minimum of 1.5 to 2 times to do , so that the actual maximum pressure Fengyun capacitance can reach 225KV to 300KV. In other words , to achieve such a high voltage, the Fengyun current is safe , available , regular life .
In addition to voltage, there frequency . To achieve the ultra-high frequency over 200KHZ , Fengyun capacitance can really longevity. Therefore, our design value is 550KHZ. In other words, in order to ensure the actual Fengyun capacitor circuit in the normal pulse rapid getting and discharging operations , the frequency will be way over the actual operating rate of recurrence design .
Finally, the big current , 100A ~ 200A high-current , that is generally ceramic capacitors can not imagine . Usually we come into contact with high voltage porcelain capacitors , the general current within microamps or milliamps calculations . Some special products can achieve more than 10A , and 100A ! 200A such a large current, extremely rare , right ? Such a large present, simply not capacitors, but a bunch of copper wire and friends !
Of course , along with more than a few of the most prominent features , there are some additional highlights: small internal resistance , inductance , loss tangent smaller. . . . . .
So, with such advantages EHV ceramic capacitors can be used to what the product does ? Simply because such a high-end product , the price will be a lot of money oh !
Obviously, such a high-performance products are not generally used on the product . It can be used in some special power supply. For example, the laser energy . Tell me what you stated here of the laser beam power , is not generally say the civil or even industrial use of the laser , said here obviously is one of the most high-end is the latest type of weapon. For example, some army forums often stated laser weapons used to attack satellites . In a position to achieve such a hollywood, frequency , current, and can achieve high performance and life , of course, is playing on satellite laser weapons before lingua franca . Obviously, if such a capacitor to some disturbance or counter-jamming gear such as radar , obviously, will become another detective and interference sophisticated weapons it ! Obviously, this is just the use of a small part of the more utilizes , to ask scientists to know it !
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