(a) structure
(b) picture of products
Fig 1 Glow discharge - double pulse triggering pseudospark
switch: (a) structure; (b)
picture of products
PRF influenced by pre-trigger voltage Utcp2:Based on the anode voltage Ea=10kV, the influence of the
pre-trigger voltage Utcp2 on the PRF is obtained, as
shown in Figure 2.
As shown in Figure 2(a), when the main trigger voltage is low
Utcp1=0.3kV, increasing the Utcp2 can
significantly improve the pulse repetition frequency characteristics.
The application of the
Utcp2 corresponds to the process of initial electron
generation. The larger the trigger voltage, the stronger the spatial
electric field, the faster the electron migration rate, the more intense
the collision ionization, while the faster the hollow cathode effect is
generated. When the main trigger voltage is higher
Utcp1=1kV, as shown in Figure 2(b), increasing the
Utcp2 at this time has almost no impact on the PRF
performance.