High-voltage applications
High-voltage distribution grids form the backbone of the electricity supply system, transmitting electricity over large distances.
Zelisko transformers for high-voltage applications are completely maintenance-free and are available in dry-type and gas-insulated versions. In addition, Zelisko’s HNP transformers act as phase protection transformers for stator ground fault protection and power transformers. The company’s high-voltage-carrying primary winding is designed as a two-pole winding and cast using a special vacuum pressure process.
Ring Core Current Transformer for Power Transformers
These special Ring Core Current Transformers are intended for use in high-power transformers. The Current Transformers are characterized by their increased temperature and oil resistance and can be used for decades without any maintenance.
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Ring Core Current Transformer for High Voltage Switchgears
These types of Current Transformers for high-voltage switchgear are supplied in a wide variety of cast resin or foil-insulated versions for indoor and outdoor applications. They focus on the protective applications of high-voltage technology.
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Ring Core Current Transformer for gasinsulated Switchgears
These Ring Core Current Transformers were specially developed for demanding use in gas-insulated high-voltage switchgear. The increased requirements on temperature and chemical resistance were taken into account.
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