Power transformer on-load tap changers

Type CM is a classic on-load tap changer composed by diverter switch & tap selector. It covers the widest application range from small power up to large power transformers. After a long history of operation and modifications, today type ...

Type CMD is designed with state-of-the-art technology and concept. Its unique contact system ensures superior performance for carrying heavy load and enduring short circuit current. In large power and ultra high voltage transformers, ...

Type CV is a typical selector switch structure tap changer, an ideal solution for medium power transformers (up to 110kV) down to distribution transformers. Its compact size allows transformers designers to achieve the most optimal tank design.

Type SHZV is a vacuum version of type CMD on-load tap changer. In addition to the features & advantages inherited from CMD, it is designed with an extremely robust and big capacity diverter switch, makes it a natural choice for low maintenance ...

Arc-Control System® Extinguishes the arc with absolute reliability Step Protection System® Maximum protection of the diverter switch from overloads Interrupter Exchange Module Reduction of maintenance-dependent loss of production Retrofittable ...

The on-load tap-changer VACUTAP® VT® with vacuum interrupters serves for setting the ratio of dry-type transformers under load. Electrical lifetime of 500,000 tap-change operations< Mechanical lifetime of 800,000 tap-change operations Simple ...