Ceramic Insulators South Africa

Most technical ceramics have high electrical resistivity and high breakdown voltage.

Ceramic insulators south africa.

Permittivity of technical ceramics is generally small. Dielectric losses are also very low. These properties are in some cases maintained at high temperatures. The design creepage for the 400 kv ac insulators which ranged from 31 mm kv to 33 mm kv phase to phase corresponding to uscd 54 to 57 mm kv was found inadequate for ceramic insulators installed less than 2 km from the coast due to the challenging salt desert environment.

Cullin africa are manufacturers and suppliers of. High voltage overhead line material distribution transmission insulators manufacturers of the original ncx drop out fuses and the sole agent for sediver insulators in southern africa and across the african market. This ensures that customers get a product with no green shrinkage during use and thus no unexpected joints opening up. The lviv insulator company produces suspension and pin glass insulators and also a group of line and fix polymeric insulators.

In addition to this cullin africa can supply a full range of station post insulators up to 400kv and a complete range of transformer bushings. Having supplied their equipment in south africa since 1971. Ppc insulators is a leading supplier of state of the art electrical porcelain insulators for substation overhead line and precipitator applications specializing in insulator designs up to 1 200 kv ac and 1 100 kv dc system voltages. Yuzhnouralsky insulators and fittings plant in russia and lviv insulator company ltd.

Insulators were site coated in 2011 and this eliminated flashovers. Since our founding in 1976 the ceramic industries group has grown to become a leader in the design and manufacture of ceramic tiles and bathroomware. The group comprises five tile factories one bathroomware factory and one acrylic bath factory all based in south africa and a tile factory in australia. Eberhardt martin is the longest serving distributor of the well known company maclean power systems formerly joslyn from the u s a.

The insulating bricks and shapes insutech manufactures are unique in that it is the only of its type done in south africa with a ceramic bond. Global insulator group is the managing company with united capacities and competitive advantages of two well known manufacturers of insulators.