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1600kVA dry type cast resin transformer for residential power supply

1600kVA Dry Type Cast Resin Transformer Technical Datasheet
Transformer Type Dry Type  Cast Resin Transformer 
Manufacture Standard IEC60076
Rated Capacity(kVA) 1600
Primary Voltage (kV) 11
Secondary Voltage(kV) 0.44
Cooling Way AN/AF
Vector Group Dyn11
Temperature rise 125K
Insulation class H-CLASS
Impedance 6%
Winding Material Copper/Copper
Insulation media Resin Casting


Cast resin Dry type  transformer is ideal for installation and easy to maintain on account of both HV and LV windings are cast under vacuum, moisture cannot penetrate and therefore, no drying process is required even in humid conditions after long periods of service. The cast resin transformers comply with IEC60076-11.

CONSTRUCTION


CORE
The core is manufactured from cold-rolled grain oriented (CRGO) silicon steel. The steel sheets are cut into required dimensions on automated machines thereby ensuring reduced air gap low exciting current and low noise. Each lamination is insulated from each other to ensure a long trouble-free lifetime of the core. Using 45° stepping all leaning lamination way to laminate. So the no-load current are reduced efficiently.

WINDINGS
LV winding is manufactured with high quality foil conductor or copper wire and the ampere-turn is balanceable. The additional loss is low and the ability of anti-short is improved. Oil drawings of heat dispersion are scientifically used in the winding and the surface of heat dissipation is increased so the temperature is reduced and the ability of over-load is improved.
HV winding is manufactured with high quality copper wire and excellent design structure. It improves the distribution of electric field. With lighting impulse analysis the ability of anti-lighting impulse has been improved.

STANDARD ACCESSORIES
Temperature controller
Cooling fans
IP20-IP54 protective enclosure

TEST REPORTS AVAILABLE
C2/E2/E1 test report
Aging test report
Aseismatic test report
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