66KV Current Transformer
Order Code: 21225140.1
Category: General Lab Equipment I
Type: Outdoor. Oil immersed Rated primary voltage: 66 kV Maximum system voltage: 72 .5 kV Impulse withstand voltage:325 (peak) Rated frequency: 50Hz Number of core: 5 Short time thermal ratings: 62.5kA Current ratio: Core 1:Met...
SPECIFICATION
- Type: Outdoor. Oil immersed
- Rated primary voltage: 66 kV
- Maximum system voltage: 72 .5 kV
- Impulse withstand voltage:325 (peak)
- Rated frequency: 50Hz
- Number of core: 5
- Short time thermal ratings: 62.5kA
- Current ratio: Core 1:Metering Core: 100-200/1A 2:Protection Core: 100-200/1A 3: Differential Core: 100-200/1A 4: Bus Differential: 100-200/1A Core 5: Bus Differential : 100-200/1A
- Rated burden for each core : 30VA
- 1Accuracy class : 5P20 for protection and 0.5 for metering and PS for differential
- Creepage distance: 1650 mm
- Applicable standard: TEC 66kV
- Number of phases:1
- Number of cores in each CT: 4
- Frequency: 50Hz
- Rated Primary Voltage
- 1 Nominal:66Kv
- 2 Maximum: 72.5 kv
- Temperature rise above 45 degree C' ambient at normal rated current
- Insulation level
- 1 Impulse withstand voltage(peak): 325 kV
- 2. Power frequency withstand voltage(1min. rms): 140 kV
- Creepage distance: 1650mm
- 1Short time thermal rating: 25 kA
- Rated Peak Shortcircuit Current : 62.5 kA
- Rated VA burden for each core : 30 VA
- Accuracy: class 5P20 for protection 0.5 for metering PS for dill/ Bus
- Current Ratio
- Core-1, Metering :100-200/1A(5C)
- Core-2, Backup Prot. :100-200/1A(5C)
- Core-3, Transformer Diff. Prot. / Distance :100-200/1A(5C)
- Core-4,Bus Differential :100-200/1A(5C)
- Core 5: Bus Differential:100-200/1A(5C)
Rated thermal VA burden: 30VA
Overvoltage factor: 1.1
Dimension(LXWXH) mm3
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