The work done in establishing an electric field in a capacitor, and hence the amount of energy stored - can be expressed as .
Since power is energy dissipated in time - the potential power generated by a capacitor can be expressed as .
The energy stored in a 10 μF capacitor charged to 230 V can be calculated as in theory - if this energy is dissipated within 5 μs the potential power. .
Puncture voltage at 1 MHz (V/mil, V/0.001 inch): 1. Air: 240 2. Alsimag: 240 3. Bakelite: 300 4. Bakelite, mica-filled: 325 - 375 5. Cellulose acetate: 250 - 600 6. Formica: 450 7. Glass,. .
The time to discharge a capacitor at constant power load can be expressed as dt = 1/2 C (Us 2- Uf2) / P (3) where dt = discharge time (s) Us = start voltage (V) Uf= final voltage (V)
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