Zhejiang Honle Electric Co., Ltd.
Main products:Voltage Stabilizer,Inverter,Voltage Regulator,Transformer,UPS
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  • Contact Person : Mr. wang kolya
  • Company Name : Zhejiang Honle Electric Co., Ltd.
  • Tel : 86-577-61762777
  • Fax : 86-577-61755177
  • Address : Zhejiang,Yueqing,No.9# xinguang industrial zone liushi town
  • Country/Region : China
  • Zip : 325604

SG Three-phase Dry-type Power Transformer

SG Three-phase Dry-type Power Transformer
Product Detailed
Feature:1)transformer 2)Dry-type 3)Three-phase

Transformers component 

Temperature rise limit K

Measuring method

Items

Allowable degree of deviation (%)

Coil

B

80

No-load loss

+15

F

100

Load loss

+15

Iron core and surface of the structural components

The max. value shall not exceed the allowable temperature rise limit of the contact insulation material

thermometry or thermocouple method

Total loss

+10

Insulation level:The transformer withstands 2000V power frequency testing voltage without breakdown or flashover in 1 minuteAt frequency and voltage multiplying in 1 minute. The performance of transformer shall not exceed the allowable deviation value in the following table.

No-load current

+30

Impedance voltage

±10

Transformer ratio

±0.5

DC resistance unbalanced ratio

Iine

2

Phase

4

Remarks: If the DC resistance unbalanced ratio of three-phase transformer exceeds the specified range in Form 2 due by the reason of material of coil and structure, the measured value shall be recorded in the delivery test record and the very reasons also be noted.

SG Three-phase Dry-type Power Transformer



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