66KV Current Transformer

Product Code : EL-ELE-14630

1. Type: Outdoor. Oil immersed
2. Rated primary voltage: 66 kV
3. Maximum system voltage: 72 .5 kV
4. Impulse withstand voltage:325 (peak)
5. Rated frequency: 50Hz
6. Number of core: 5
7. Short time thermal ratings: 62.5kA 
8. 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
9. Rated burden for each core : 30VA
10. 1Accuracy class : 5P20 for protection and 0.5 for metering and PS for differential
11. Creepage distance: 1650 mm
12. 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