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A class of devices called triggered spark gaps uses extra trigger methods to achieve reduced jitter. This third electrode, like in a trigatron, is most frequently used. The minimal capacitance between the trigger electrode and the other electrodes allows for fast changes in the trigger electrode’s voltage. Gas pressure in a triggered spark gap is tuned to reduce jitter and prevent accidental triggering.
There are two types of triggered spark gaps: permanently sealed versions with a constrained voltage range and user-pressurised variants with a voltage range proportional to the available pressure range. Similarities between triggered spark gaps and other gas-filled tubes like thyratrons, krytrons, ignitrons, and crossatrons are numerous.
The Global Triggered Spark Gaps Market accounted for $XX Billion in 2022 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
An essential element for the switching of capacitive energy is a triggered spark gap, which is used in a wide range of high voltage applications. The destructive nature of this application makes the spark gap a limited lifetime device, whether it is used as a series switch or for equipment protection.
System variables like charge transfer, peak current, and stored energy can all have a big impact on the lifetime of the spark gap, but these variables are frequently regulated for a particular application, which reduces the spark gap’s potential lifespan. In order to extend the operational lifetime of a gas-filled, sealed trigatron spark gap, experimental results of the investigation are discussed in this work.
To measure increases in the spark gap lifetime, variables like electrode spacing, gas pressure, gas mixture, and electrode conditioning were looked at. With 10 kJ of stored energy being released at a rate of 300 discharges per day, testing was conducted at 45.5 kV.
The degradation rate, which was determined by another research to be *100 lg/C, and the geometric design of graphite electrodes both affect how long they last. Although it’s thought that the trigger model, electrode geometry, and operating coefficient play a large role in how the trigger properties degrade. As a result, even with the same operating coefficient, the trigatron switch’s performance may vary.
