GR00

Static Natural Air Power Converter GR00

In the field of natural air cooling three-phase converters the GR00 family covers a wide power range with currents that range from 100Adc up to 2000Adc and mains voltages from several hundred Volts to over 2000Vac.

The GR00 converter is available in thyristor or diode versions. GR00 family converters are particularly suitable for every application in which the absence of fans is required or for particular system requirements (excitation systems for turbo alternators or synchronous high-power motors of power plants).
Dimensions and performances are strictly connected to the application and the required voltage range.

The individual semiconductors are protected by Eaton Bussmann High-Speed fuses with adequate characteristics that guarantee the appropriate interventions in case of failure inside the converter.
Each converter is equipped with a thermal protection suitably designed to ensure its thermal and electrical characteristics.

GR00 convertitore di potenza aria naturale

Technical data
Ambient condition
Altitude 1000 m. a.s.l.
Climate Temperate
Min./Max. operating temperature 0 ÷ 40°C
Storage temperature -40 ÷ +55°C
Relative humidity 10 ÷ 90% (from 0 to 40°C)
Main general data
Converter type Three-phase diode rectifier
Three-phase unidirectional DC converter
Three-phase AC switch
Main supply voltage 380 ÷ 480V
500 ÷ 650V
660 ÷ 750V
850 ÷ 990V
Tolerance ± 10% power supply
Rated current From 100A to 2000A
Rated frequency 50 and 60 Hz; ± 2%
Insulation voltage 2.5 ÷ 4 kV
Protection degree IP00
Diode/thyristor protections RC snubber; fuses
Converter protectionOvertemperature
Cooling system Natural air
Installation type Wall mounting; in cabinet
Dimensions Different for current size and type
Weight Different for current size and type

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