GeneralThis production can be used in a wide range of
area,especially in the place of high fire protection requirement.
ie,mine,oilfield,subway station,power plant , school, shopping
center, skyscraper and all indoor configuration system.
STRUCTURE CHARACTERISTICS:Iron core : core applies excellent
cold rolling oriental silicon sheet and 45°wholly sloped joint no
punching hole structure ; surface of the core is coated with
special resin to protect against rusting , elastic materials are
cushioned between the clamping parts and core, between the clamping
parts and core, between coils and between the core and the base
seat to reduce operation noise.Coils: low voltage winding
applies double cylinder type or fossil type, high voltage winding
applies sectional connection type structure; which is wounded by F
class insulated polyester double fibre glass copper conductor and
reinforced by fibre glass, epoxy resin proportion is poured and
moulded under vacuum state. It has good electric performance
and mechanical strength.Temperature control: apply automatic
temperature control protection system; realize temperature display,
patrol inspection, start and stop air fan, over temperature
alarm,tip and communication interface of computer etc functions on
demand of users. References:ISO 1461: Hot dip galvanized
coatings on fabricated iron and steel articles - Specifications and
test methods.IEC 60076: Power transformers.IEC 60044: Instrument
transformers.IEC 60296: Specification for unused mineral insulating
oil for transformers and switchgear.IEC 60354: Loading guide for
oil - immersed power transformers.IEC 60214: Tap-changers - Part 1:
Performance requirements and test methods, Part 2: Application
guide.IEC 60512: Connectors for electronic equipment.Technical
specification: Rated capacity (kVA)voltage combinationVector
groupLosses(120°kW)No-load current(%)HV(kV)tapping
rangeLV(kV)On-load lossNo-load
loss30 0.710.193.250 10.272.880 1.380.372.6100 1.570.42.4125 1.850.472.2160 2.130.542.22006 2.530.6222506.3 2.760.722.23156.6±5% Yyno3.470.881.840010 0.4 3.990.981.850010.5±2x2.5% Dyn114.881.161.863011 5.881.341.6630 5.961.31.6800 6.961.521.61000 8.131.771.41250 9.692.091.41600 11.732.451.42000 14.453.051.22500 17.173.61.2
Rated capacity (kVA)voltage combinationVector
groupLosses(120°kW)No-load current(%)HV(kV)tapping
rangeLV(kV)On-load lossNo-load
loss50 1.230.32.3100 1.980.471.9160 2.460.581.7200 2.930.641.6250 3.40.731.5315 ±5% Yyno4.060.841.440020,22 0.4 4.8211.350024,10±2x2.5% Dyn115.761.171.363011,12 6.81.321.2800 8.221.521.11000 9.731.7911250 11.482.0611600 13.792.410.92000 16.292.80.92500 19.273.340.8
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