HIGH VOLTAGE CAPACITOR CHARGING POWER SUPPLY
3kJ/S, 30kV, 200mA
This High voltage Capacitor charging power supply (CCPS) is a special kind of power supply suitable for capacitive and dynamic load with fast protections circuits. Conventional HVDC power supplies are designed to operate at a given output voltage into a constant or near constant load. Intense pulse power systems, require short burst of energy which may be derived from rapidly discharging the capacitor such as Pulse lasers, flash lamps, rail guns, electromagnetic tool coil, magnetron, klystron etc.
The most important difference between a CCPS and a conventional power supply is the wide range of load conditions over which the CCPS is required to operate. The CCPS must be able to operate from near short circuit conditions at the beginning of the charge cycle to very light load conditions at the end of the cycle when the target voltage has been reached. So, the topology must be such that it should withstand short circuit condition. For these reasons, a conventional power supply is usually not suitable to perform the task of a CCPS, as most are designed for constant power applications and cannot handle the stresses/reflections involved in pulsed power applications.
Capacitor charging power supply is most efficient and effective means of charging capacitive loads to high voltages at high repetition rate. The developed CCPS has inherent short circuit protection, over voltage protection, over current protection, over temperature, voltage reversal protection and transient protection. The size of the CCPS is compact and remote operation possible.
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