Solid Core Insulators are not only designed to meet the essential mechanical & electrical properties but also to effectively meet the loads arising out of short circuit, seismic, wind, thermal, ice and any other dynamic loads. They are basically used in
These insulators are designed to provide a rigid support accounting for the bending and torsional loads. The insulators are made of high quality Aluminous porcelain meeting the requirements of C130 in accordance with the IEC: 60672. Apart from the visual and dimensional checks, the solidcore post insulator shells are subjected to ultrasonic tests prior to assembly. Precision machines are used to cut and grind the end faces to achieve the required surface finish and chamfer of the ends
The sand portion of the solidcore shells and the inner portion of the flanges are coated with a uniform layer of bituminous paint to offset the effect of differential thermal expansion between cement and metal parts. The insulators are assembled using high quality Portland cement in specialized fixtures that ensure the stringent dimensional requirements are met. They are subjected to curing under controlled conditions.
These insulators are then subjected to the requisite routine & acceptance tests prior to dispatch. Further visual inspection & random dimension checks are also carried out prior to packing the insulators in wooden crates / boxes / pallets
| Voltage | From 11 KV to 166 KV |
|---|---|
| Mechanical Rating | From 0.5 KN to 60 KN |
| Height | From 255mm to 2300mm in single part |
| Specific Creepage Distance | From 12mm/kV to 40mm/kV |
| Applicable Standards | IS, IES, ANSI |