flender argentina H2-DV-18-D Helical speed reduction gearbox H2

Flender/Flender Gear Units/Helical speed reduction gearbox H2

and bushings shall be igidly supported. Insulation Inter-turn and inter coil insulation shall be designed such tha dielectric stress is uniformly distributed throughout the windings under all operati ng conditions. Tank Fully assembled transformer with its radiators, conservator and other fittings shall withstand for one hour pressure corresponding to twice the no rmal head of liquid or to the normal pressure plus 3 KN/sq. , whichever is lower, measured at the base of the tank. Tank shall be provided with inspection openin and cover/with handling equipment) to provide ccess to bushing connections. orm of cover shall be such as to prevent any stagnant water deposit and to drain as bubbles towards the buchholz relay. Tank shall be capable of withstanding of 6 0 mm of mercury. Conservator and Breather Conservator mounted on frame, integral with tank in such mann er that under all conditions and the lowest oil level the bushings remain under he head of liquid. Conservator volume shall be suffi cient to maintain oil seal fro ambient to oil temp. of 9 0C. Silica gel breather ith inspection window and oil level shall be mounted at 1.4 from ground level and connected to conservator. Prismatic type oil level gauge shall be provided with max. and min. levels marked on it. Tap and valves shall not be fitted to oil gauge. 1 mm diameter dial type magnetic level gauge with alarm nd trip contacts shall also be provided. Breather shall be connected with rubber bellow inside the conservator tank for expansion and contraction of oil. 1 of 1 INDRADHANUSH GAS GRID LIMITED TECHNICAL SPECIFICATION FOR NATURAL GAS COMPRESSOR STATION FOR NORTH EAST GAS GRID PIPELINE PROJECT ______________________________________________________________________________________________ TS NO.: MEC//2UU/0/2/0 Electrical system Chapter-0.0 2, MECON Limited, All Right Reserved Pag 5 of 2 Buchho