中立的基础电阻器

Neutral grounding resistor for 70kv specification as follows:66KV Item Sub Item DESCRIPTIONUnit Value1Rated System Voltage KVKV382Line - Neutral VoltageKV66KV3Continuous currentA4Rated short-time currentA874.79A5Rated timeSec.10S6Resistance at 20 °C,20Ohm43.5OHM 7Resistance at 600 °C,600Ohm56.56OHM8Maximum element temperature rise°C650K9Type of element10Element materialS31011Temperature coefficient of resistance% / °C0.0005812Resistance change for 520°C rise, 520,.%30%13Insulation level (to IEC 71-1)KV BIL140KV14Bushing14-1HV BushingHVCWW-10/40014-1-1KV Class,KVKV10KV14-1-2Insulation level (BIL)BILKV14-2LV Bushing LV 14-2-1KV Class, KVKV14-2-2Insulation level (BIL)BILKV15Current TransformerType35-LZWRatio 1250/5Aprecision & capacity,5P20/5P20 (15VA/15VA) 16Enclosure16-1Material16-2Thicknessmm2mm16-3Finish16-4Final color7035RAL16-5Ingress Protection IP2316-6Net Dimension approximatelyWidthmm6500Depthmm200Heightmm380017WeightsNet (Unpacked)Kg5200