Medium-voltage applications
Reliable current and voltage measurement is becoming increasingly important for safe power generation, transmission and distribution – making ultra-reliable medium-voltage transformers essential.
Designed for gas-insulated, air-insulated and open air-insulated medium-voltage switchgear, Zelisko’s medium-voltage transformers are successfully deployed around the world, operating in all kinds of weather conditions. Benefiting from high-grade epoxy-resin insulation, the transformers are designed to provide maintenance-free operation throughout their product life cycle (up to 30 years).
Block Current Transformer
Zelisko Block Current Transformers are maintenance-free cast resin transformers for indoor applications, which are characterized by their high-quality epoxy resin encapsulation. Our current transformers up to 36kV comply with international regulations, such as IEC 61869; GOST, IEEE, etc.
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Block Voltage Transformer
Zelisko Block Voltage Transformers are maintenance-free epoxy resin converters with single or double pole insulation for indoor applications. Our medium-voltage converters up to 36kV comply with international regulations such as IEC 61869; GOST, IEEE, etc.
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Metal Clad Voltage Transformers
Metal Clad Voltage Transformers from Zelisko are maintenance-free, single-pole insulated cast resin converters for indoor applications. The main applications are gas-insulated switchgears up to 52kV.
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Outdoor (current or voltage) Transformer
Zelisko Current and Voltage Transformers for outdoor applications are characterized by their outdoor-resistant epoxy resin encapsulation and are suitable for outdoor systems up to 36kV and meet various international standards such as IEC, GOST, IEEE, etc.
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