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ESP-1 medium frequency shift power switching converter
high voltage ferrite transformershigh voltage transformer boxhigh power frequency shifting IGBT modules

ESP-1 medium frequency shift power switching converter

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IPM develops a dual power, high voltage, medium frequency switching converter unit which works with hybrid drives, compact EMI, EMV, NEC, CE safe semiconductor power electronic stages, supporting capacitors and high voltage ferrite transformers to generate ultra short high voltage pulses and sparking burst groups. Advantages are based on uses of standard circuits with extended semiconductors for cluster, corona substrate treatment, ac/ac, ac/dc converter, drive units, frequency, upward or downward converter, power electronics supplies. Industry application of electrostatic perforation, converting, drives or others uses IGBT, MOSFET, HVFET semiconductor power stages.

That circuits are working as converters with extremely short power pulses 0.05 up to 15 micro second, current peaks up to 300 Amps by du/dt of 2500 Volt per micro second on a serial connected inductivity and loading condenser where the secondary ferrite transformer coils supply sparking electrodes up to 50 Kilovolt as a permanent open loop and short circuit condition. A safety circuit logic and two hybrid drivers allows a alternately switching of semiconductor A and B which generating consequently higher operation frequencies and power levels meanwhile electrical and thermal conditions remains on each in the same range as in single switching status.

Approximately double frequency and power level condition obtains higher switching efficiencies, more perforation power, higher corona treatment level, powerful drives, frequency converters etc. depends of industry applications.

Semiconductors in high power, high current, high voltage circuits obtains in cluster perforation, surface treatment, modifications, corona, drives or other switching application frequencies up to 250 KHz, 1400 Volt, power levels up to 30 Kilowatt and more. Higher power efficiencies and lower switching losses are further advantages. The precise pulse timing by a certain time windows with constant or variable frequency generates with high voltages sparking holes sizes and sequences through the fast moving material webs. Repeat frequencies of the entire circuit can up to the double switching frequency of each semiconductor.

As well for plasma jet control, heavy ion research, switching devices, power supplies, laser diode supplies, compact switching systems, frequency converter, emergency power supplies, ultra short mega peak current, ignition, sparking, arc, compressor, emergency, train, ship, vessel power supply, generator, fuel cell, upward, downward, stabilizer, soft starter, vector, phase, inverter, servo system, motion, stepping, spindle, CNC, machine, asynchronous, standard, motor, torque, automation, remote, hybrid, plug-in, car, battery, lithium, Ion, renewable, energy, wind, solar, panel, recycling, medical equipment, membrane filtration, robotic, photovoltaic, industrial automation. The patent is granted as DE10328937.