Transformer Bushings Pdf. Tank wall thickness minimum 3mm maximum 6mm tank hole size tolerance is 0mm 1mm avs cone rubbers see page 243 avs allbro veri seal please note. The most serious level on this scale provides a warning about serious personal injury or possible death or major damage to a product if the.
Manufacturer model doble engineering company m2h. The technology has been continuously researched and improved and has matured over this time. Transformer bushings hsp trench transformer bushings are designed to be connected to oil insulated power transformers and operate with the following environmental media.
8 bushing diagnostics and conditioning 2750 515 142 en rev.
All our ed bushings have been type tested in a specialized laboratory in turin italy to check. Based on cigre wg 12 report 1983 bushings 14 are the 3rd major source of transformer failure after on load tap changer 40 winding 35. 1 1 levels of safety risks throughout the manual various types of safety risks are indicated. 500 and 630 kva transformers or ed s 18 ms bushing on 500 and 630 kva transformers with 400 v rated voltage where the real current which pass through the bushing is much lower than 1000 and 1800 a respectively.
