Kenneth Johansson

A method and an arrangement for regulating a transformer/reactor, and a transformer/reactor

System for transmission of electric power

Turn-off power semiconductor component, and also process for producing it

Method and a device for space-charge measurement in cables using a pulsed electroacoustic method

Device for sensing partial discharges in test objects, preferably a cable joint

A device for monitoring partial discharges in an electric high-voltage apparatus or high-voltage equipment

Challenges when measuring the DC electric field very close to an insulator surface

A bushing for a main high voltage conductor

A device for sensing electric discharges in test object, preferably a cable joint

Electric device for generating high-voltage square pulses