China 110kv Multi Current Ratio 25A-50A-75A-100A-125 5A-1A Oil Type Outdoor Current Transformer

ITEM

DEscriptION
UNIT
REQUIRED
GUARANTEED CURRENT TRANSFORMER - 1 POLE1ELECTRIC CHARACTERISTICS § BrandHEMG § Type OutdoorOutdoor
LB7-110W3 Height of mountingm.o.s.l≥2 800≥2 800 Standards of manufacture IEC-185
IEC-60044-1IEC-61869-2-2012 IEC 60044-1 Nominal voltage of the systemkV6666 § Nominal frequencyHz6060 § Maximum voltage of service kV72.572.5 § Max voltage of the equipmentkV123 § Withstand voltage 60 Hz, 1 minute:
Dry
Wet
kV
kV
185
185
1402800m171
1402800m171 BILkV peak4503252800m397 Voltage resistance of the secondary coils with groundkV 3 Partial discharge threshold for stress
Growing
Decreasing
kV
kV

Um 10pC
1,2 uM/V3 § Tangent delta <5 pC Type of insulation oil Nominal current primary sideA 25-50-75-100-125 Dynamic short circuit currentkA31,531,5 Continuous thermal current (of overload)A 60-120 § Maximum temperature of the oil on top side°C 55 § Average heating of the copper°C 65 SEConDARY COILS § Number of measure core 11 Nominal current secondaryA55 Ratio of transformation Consumption with cos f = 0,8VA1010 Precision class 0,20,2 Security factor Number of protection core 33 Nominal current secondaryA55 Ratio of transformation Consumption with cos f = 0,8VA2525 Precision class 5P205P20 Security factor3DETAILS OF CONSTRUCTION Type of oil 45# Permissible ambient temperature
Minimum
Maximum
°C
°C
-45
+45 Max pressure of the wind kg/m²3434 Maximum permissible radial force on the AT terminal (besides the wind stress on the transformer itself)kg 300 Type and dimensions of HV terminalmm Attach drawing Material of terminations Aluminum Dilation of the insured oil
Indication of the position of the membrane
Indication of oil level
Yes
Yes4INSULATORS Brand Pukou Huagao Type Porcelain Leakage distance totalmm3 0753906 Leakage distance of each kVmm/kV2531 Arc distancemm 10905DRAWINGS AND WEIGHTS Dimensions Attach drawing Plane of the outer dimensions of the transformer
Nº
Max diameter of the parts with voltagemm Attach drawing CutNº Attach drawing DescriptionNº Attach drawing Max. Dimensions Attach drawing Distance between axesmm Attach drawing Weights Total weight of the transformerkg 480 Total weight of the oilkg 80 Weight of the spare partskg 0 Weight of the toolskg 480 Notes and diagrams Description notesNº Yes Diagram of connectionNº Attach drawing Reference listNº Yes6SEISMIC CONDITIONSKit of spare parts for maintenance during 5 yearsYes
IncludedYes
No