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Research & Development

Thervest 200 LL

calendar_today Monday 09 March 2015

De Angeli Prodotti has developed an innovative wire to improve the electrical performances of magnet wire.

Thervest 200 LL

Getting more with less – “Long Life Magnet Wire”

Introduction

The standard enamelled wire used for winding is produced using a quite old process. Today is possible to build a new type of conductor using the best technology available on the market, to optimize the electrical performance allowing the reduction of the overall thickness of enamel. 
Looking to the future, De Angeli Prodotti accepts the challenge to innovate the enamelled wire.
One solution that can help to resolve different problems. 

Engineering

De Angeli Prodotti is developing a new technology looking towards a new solution: 
a thin layer of paint is deposed on the conductor, by enameling the varnish on it. After this phase, a  curing is necessary to allow the paint to adhere to the surface and obtain the desired performances.

Advantages

Which are the advantages of this technology? 
Our laboratory tests shown that LL Family significantly improves dielectric performance under continuous electrical solicitation. In this field LL Grade 2 performance is comparable to a standard Grade 3 wire at 4 and 8kV.
Other test  performed at 4 kV confirm this behaviour and show that LL Family can resist five times the standard wire
This means less coatings, longer life and higher filling factors.

BDV Time-To Failure a 8 kV AC
Fig. 1. BDV Time-To Failure at 8 kV AC
BDV test a 4kV
Fig. 2. BDV test at 4kV

Conclusions

De Angeli Prodotti has developed an innovative wire to improve the electrical performances of magnet wire.
This technology is well known for us and the costumer interest for this product is very high.

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