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| 제품특징 | 제품사양 | 자료실 |
The Iris Power DCR 60-2 is a simple off-line DC tester to identify problems in the stator groundwall insulation system of large AC electric machines before an unexpected in-service failure occurs. Unlike the pass or fail of a DC or AC hi-pot test, the DC ramp test gives diagnostic information and often can be stopped before a failure occurs.
Unlike a stepped voltage test, the ramped voltage test enables the user to separate the polarization and capacitive current components from the leakage current so that small insulation defects can be easily found.A single-phase test usually takes less than an hour to perform and can be done by one person. The DCR 60-2 tests according to IEEE Standard 95-2002. In manual mode, the DCR60-2 can also perform the “uniform time” and “grade time” voltage step DC tests, according th IEEEstandard 95-2002.
The DC Ramp Test method has been proven in use by the US Bureau of Reclamation and others on a wide variety of machines with asphalt, polyester and epoxy-mica insulations.
Test curves are captured on a PC to allow easy comparison to similar machines or past results.
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SPECIFICATIONS
Power Input : 85-264 V AC, 2A, 50/60 Hz
Output Voltage and Metering : 0 to 60 kV DC, negative polarity
Ramp Rate : 0 to 2.5 kV/min (continuously adjustable)
Output Current : 1.0 mA max
Current Metering : 0-1/2.5/5/10/25/50/100/250 μA
Operating Temperature : 0° to +40°C (+32° to +104°F); Storage: -25° to +60°C (-13° to +140°F)
Operating Altitude : 0-3000 m
Weight : Control Unit: 9.5 kg, HV Unit: 15 kg