H3-KH26A flender brake rectifier Helical gearboxes H3

Flender/Flender Gear Units/Helical gearboxes H3

Electrical system Chapter-0.0 2, MECON Limited, All Right Reserved Pag 7 of 2 ) Air insulated disconnection chamber with inspection opening sha ll be provided. ) Shall be provided with earthing terminals for termination of XL PE cable screen and shall be with necessary disconnecting link. ) It sh al ssib le to ith aw he transformer easily after isconnecting from disconnecting link without disturbing the cable terminatio ns. Cable termination box shall be supported from bottom so that after wi thdrawing the transformer, it remain at its same position. ) Removable CRCA gland plated, 3.0 mm thick (Aluminium, 5mm thick wherever applicable for single core cable). For Busduct termination on LT side (Not Applicable) ) Four insulated terminals housed within Air insulated chamber wi th inspection opening and flanged to suit termination of busduct. Flange ends and inspection openings shall be provided with gaskets. ) Neutral bushings shall be provide as required for earthing of neutral point. This shall be connected to brass / tinned copper bar and brough to ground level through epoxy insulators. The Clearance in HT & LT termina tion chamber shall be as per CBIP guidelines. The HT and LT terminals shall be brought to the terminal point through suitable bushings. This is required to ensure physical segregation of termination point from the active part compartment. 9.0 BUSHINGS & SUPPORT INSULATORS Conforming to IS 2 for HT and IS 7 for LT system. Bushing shall be epoxy type, non hygr oscopic, homogenous and fr ee from cavities. Minimum rated current of bushing shall be 1.5 times rated curr ent of the corresponding winding terminal. Clamps and fittings made of steel or malleable iron shall be ho dip galvanized or powder coated Neutral bushings shall be provide as required for earthing of neutral point. This shall be connected to brass / tinned copper bar