1. CCC Chilean Cathode Copper 2. Consisting of 5-71 strands 3. Equipments imported from SIMENS 4. Competitive price & Short d
Advantages:
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.
Application:
Used for Transformer with high voltage (110KV - 800KV) and super large capacity
Guarantee:
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 |
a≤3.15 | ±0.02 | b≤3.15 | ±0.02 |
3.15<a≤6.30 | ±0.03 | 3.15<b≤6.3 | ±0.03 |
6.3<a≤7.10 | ±0.03 | 6.30<b≤12.50 | ±0.03 |
|
| 12.50<b≤16.00 | ±0.05 |
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 | 0.06≤δ≤0.11 |
2 grade | 0.11<δ≤0.16 |
4. Wrapping methods and requirements
Wrapping methods | Insulation paper layers | |
overlapping | overlapping part should staggered with each other for each layer | 3 |
Wrapping methods | Overlapping width | |
overlapping | 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 | |
Continuously transposed enameled wire
