SCB-1000/6.03/0.4 DRY TYPE TRANSFORMER

  • SCB-1000/6.03/0.4 DRY TYPE TRANSFORMER

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Product background
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➢Phase                      3 phases
➢ Rated power          1000kVA
➢ Primary voltage     6.03kV
➢ Secondary voltage 0.4kV
➢ Frequency               50Hz
➢ Vector group          Dyn11

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Technical characteristics for 1000kVA cast resin dry type transformer                                

Transformer  type Cast resin dry type transformer
Type of installation Indoor
Maximum attitude <1000m
Insulation material  Cast resin (HV)
Pre-impregnated (LV)
Insulation voltage 12kV Primary
1.1kV secondary
Insulation level Primary:  28kV AC
Secondary: 10kV AC
BIL 75kV for primary circuit
HV tapping +/-2*2.5%
Short circuit impedance 6%
Cooling mode AN/AF
Winding material (HV) Copper/Aluminum
Degree of protection IP20/21/22/23/54
Standards 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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