DY seriesimpulsevoltagegeneratorcanbeusedto generate impulse voltage from10kV to 7200kV simulating lightningstrokesandswitchingsurges,italsocanbeused to generate choppingwave, oscillatingwaveand steeping waveif property add some extra equipment. The energies range is from 2.5kJ to 720kJ.
DY seriesmainlyhas four typesS,E,L, andH. All structurecovered include testing to IEC, ANSI/IEEE as wellas other national standards.
The basic system canbeupgraded in variousways for specialtestsandorgreatereaseofoperation.A number ofadditionalcircuitsandcomponentsallowtooptimisethe impulsetestsystemfortestson:
z Shunt reactors
z Power transformers
z Distribution transformer z Instrument transformers z Cables (typetests)
z Bushings
z Arresters (impulse current tests)
z Insulators
z GIS and air-insulated breakers