Overhauling of 132 KV Circuit Breaker of 63MVA T/F - I at 132 KV S/S Etawah under ETD, Etawah

Amount

MAJOR OVERHAULING OF 132KV CIRCUIT BREAKER ( CGL MAKE, YEAR-2001) 63MVA T/F - I AT 132KV S/S ETAWAH : Major overhauling of CGL make pneumatic type 132KV SF-6 CB CGL make (year 2001 ) The job includes overhauling of complete mechanism assembly by opening of control valve assembly holding latch and pumping pin opening and cleaning of pneumatic cylender shock absorber etc greasing of all these parts opening of reservoir rectification of air leakage through NRV, sefety valve. Replacement of consumable spares such as valve sheet roller 'O' rings, P80 'O' rings, P18 'O' rings, P7 'O' rings, P140 'O' rings other damage rings of mechanism assembly necessary. Rectification of Gas leakage from 6mm and 12mm gas pipe assembly by replacement of 'O' rings and brazing checking and tighting of electrical connections satisfactorily of circuit breaker from local as well as remote . A. Taking closing and opening time of above CB B. Measurement of contact resistance ( CRM) of all three poles of above CB.

Complete dismantling of INGERSOL RAND make compressor installed at 132kv SF-6 Circuit breaker of 63MVA T/F-I CGL make ( year 2001) at 132kv s/s Etawah and their through overhauling by way of cleaning and replacing all gaskets ( form manufacture tune kit) draining of old lubricating oil, cleaning of reservoir filling of new lubricating oil of suitable grade assembling the compressor after complete overhauling and commissioning the same including replacement of worn out motor drive belt and filling up lubricating oil in compressor reservoir with SAE-40 grade lubricating oil includes oiling and greasing in mechanism & motors.

M/S T R TRADERS

M/S JAI SHREE ENTERPRISES