Changzhou Zhongli Copper Industry Co., Ltd.
Main products:Copper Wire
Products
Contact Us
  • Contact Person : Mr. Zou Yongming
  • Company Name : Changzhou Zhongli Copper Industry Co., Ltd.
  • Tel : 0086-519-81165393
  • Fax : 0086-518-81665385
  • Address : Jiangsu,Changzhou,No.8, South Hehuan Road, Zhonglou Economic Development Zone,
  • Country/Region : China
  • Zip : 213023

Compound paper covered oxygen free wire

Compound paper covered oxygen free wire
Product Detailed
1. CCC Chilean Cathode Copper 2. Consisting of 2-4 strands 3. High resistance in oil transformer 4. Short delivery

Advantages:

1. High resistance to high voltage in oil transformer.

2. Rise up the filling coefficient of the transformer, reduce volume and the cost of the transformer

Application:

Winding of large and middle type transformer

Guarantee:

Implement whole production process monitoring and inspection.

Technique standard

Dimensions of conductor(mm)of per piece

0.6≤a≤7.5 30≥b≥2

Tolerance for Dimensions(mm) of per piece

a≤3.15 t=±0.02;a>3.15 t=±0.03

b≤3.15 t=±0.02;3.15<b<12.5 t=±0.03; 30≥b≥12.5 t=±0.05

Fillet radius r and Tolerance t

a ≤1.00  r=a/2

1.00<a≤1.60r=0.65

1.60<a≤2.24r=0.65

2.24<a≤3.55r=0.8

3.55<a a≤6.00 r=1

6.00<a≤7.10r=1.2

wrapping method

according to customer's requirement

Resistivity

≤0.017241

Yielding strength of semi-hard wire

σ0.2=85-230

elongation rate of semi-hard wire

>25%

elongation rate of soft state wire

>34%

standard

GB/T7673.4-2008

Insulation thickness Δ of compound wire and tolerance T

Δ≤0.6 T=±0.06

0.6<Δ≤0.9 T=±0.08

0.9<Δ≤1.5 T=±0.1

Δ>1.5  T=±0.12

 

Compound paper covered oxygen free wire



Copyright Notice @ 2008-2022 ECVERY Limited and/or its subsidiaries and licensors. All rights reserved.