Changzhou Zhongli Copper Industry Co., Ltd.
Main products:Copper Wire
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

Transposed copper conductor

Transposed copper conductor
Product Detailed
1. CCC Chilean Cathode Copper 2. Consisting of 5-71 strands 3. Equipments imported from SIMENS 4. Competitive price & Short d


1. Have good advantages of good electric performance, high mechanical strength, anti-strong short –circuit ability, strong winding technology and small space of windings etc.

2. We imported the equipment which can wind insulation paper band as more as 32 layers and the total thickness of insulation can be 4.8mm, ranking the first place in the country.


Used for Transformer with high voltage (110KV - 800KV) and super large capacity


Invested to the electric and numerical control Model 72 CTC production line for transposed wire from SIEMENS Germany, and implement whole process monitoring

1. Technical requirements

Enameled flat wire sizes a and b;

Standard sizes a, mm

Tolerance ε, mm

Standard sizes b, mm

Tolerance ε, mm

















Ratio of wide/narrow edge: 2≤ b/a≤7

2. Feature

Insulation material of us

500KV high density cable paper (BZZ-075,0.075±0.005), anti high-temperature 22HCC wrinkle paper for the most outer layer which come from Danny’s company

Production equipment

Advanced world level electric and numerical control model 72 CTC production line which come from SIEMENS Germany

Intermediate lining paper

Thickness 0.13mm common cable paper or Inter-circle insulating

paper of transformer

Wrapping pitch

Can’t more than 35mm

Enamel flat wire a sizes

3.15 -7.1mm

Enamel flat wire b Sizes

3.15 - 16mm

Thickness of paint film

0.06 -0.16mm

Number of cores

5 - 71pcs (odd number)

Thickness of insulation

0.45 - 2.01mm

3. Thickness of paint film

paint film

Thickness δ, mm              

1 grade


2 grade


4. Wrapping methods and requirements

Wrapping methods

Insulation paper layers


overlapping part should staggered with each other for each layer


Wrapping methods

Overlapping width


No less than 3mm

The most inner and outer layers are adopt overlapping, other lays are adopt open lapping

More than 3 layers

Wrapping methods

Width of gap

Open lapping

Not large than 2mm

Transposed copper conductor

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