ja_mageia

 

Our expert staff and specialized facilities offer the know-how and in-depth experience to deliver reliable engineering services and testing capabilities that can help prevent equipment failures, reduce maintenance and improve day-to-day operations for utilities.

Home Services Electrical Transformer
 
Transformer

Furnace / Recifier Transformer Design of the Windings

The conductors used for high voltage windings are bare conductors or continuously transposed conductors for higher ratings. Layer windings are used in the case of lower voltage levels, otherwise disc windings are used. Disc windings can be interleaved at the line end of the windings in order to control the impulse voltage distribution inside the windings. The conductors used for regulating windings can be also bare conductors or continuously transposed conductors. The control of impulse voltages and resonant voltages is of major importance for regulating windings. Especially switching operations can cause resonant frequencies, which can be in the range of the resonant frequencies of tapping windings.

The voltages which can occur in this cased have to be controlled in order to assure the reliability of the transformer. The types of conductors used in the low voltage windings are mainly continuously transposed conductors, cylinders of copper, or clamps of copper. In the past also bare conductors have been used. If continuously transposed cables are used, the low voltage windings consist normally of many groups of transposed cables which are connected in parallel by the use of huge bars of copper. Low voltage leads can carry currents up to 100 kA. Therefore special measures are required to assure a proper current distribution within the windings and leads.

PT. Mesindo Tekninesia as a specialist workshop to rewind / repair / overhaul of electric machinery provide high quality, skill, experience and complete equipments and test instrument. PT. Mesindo Tekninesia offers service transformer including “Furnace / rectifier transformer, Power transformer, Distribution transformer. 


High Voltage Galery
   
   
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  Low Voltage Galery
   
   
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Galery

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