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Overview of High Pulsed Power domain and their applications. Dominique Huet - EGO. ~min. Initial Storage. Inductive storage. ~µs. Capacitive storage. Pulse forming section. Vacuum lines Plasma Opening Switch. Water lines Éclateurs. ~100ns. Z-pinch Short circuit Diode. Load.
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Overview of High Pulsed Power domain and their applications Dominique Huet - EGO
~min Initial Storage Inductive storage ~µs Capacitive storage Pulse forming section • Vacuum lines • Plasma Opening Switch • Water lines • Éclateurs ~100ns • Z-pinch • Short circuit • Diode Load Radiation High temperatures High Pressures Electron Beam Principles and applications of HPP • Marx generator • Inductive Voltage Adder
2MA, 800ns • 505kJ à 80kV • Ø=5m, h=7m • 4MA, 1µs • 1120kJ à 50kV • Ø=18m, h=3m • Ø wires: 10 to 50µm • Rpinch: cm • hpinch: cm Generators and Z-pinch
Plasma Guns Plasma Anode Cathode CONDUCTION PHASE OPENING PHASE The POS Load Amplifier Generator Diffusion equation in the framework of the MHD • The diffusion term installs a precursor field from which the 2 others effects can exist • Problem when it happens on lengths smaller than those defining the validity of the MHD