Repairing and maintenance of OLTC with instrumentation testing from control panel for healthy operation of 10 MVA, 33/11 KV transformer with OLTC Chamber Sr. No. 12649 make Andrew Yule, in 4211 main substation under CHP-CPP,Piparwar.

Amount

Supply for replacment of primary bushing for rating 33 KV

Supply for replacment of secondry bushing for rating 11 KV

Supply of cork sheet suitable for replacment size (3 x 2 and thickness 10 mm)

Cost of overhauling repairing ,fault fixing and maintanance of 33 KV auto tape changer (OLTC) mechanically for healthy operation in local mode due to safety point =(2 no. highly skilled + 2 no. skilled +4 no. semi skilled )/ day =(2 x 788 + 2 X 671 + 4 x 557) = (1576+1342+2228) = 5146

Supply for replacment of transformer breather .

Supply for replacment of OLTC chamber small Breather.

Oil filteration of transformer oil and oltc chamber oil for put it into operation (Transformer oil +OLTC oil) = (6550+710) =7260 ltr.

Cleaning and painting of whole body of transformer body with its fins for safety against corrosin. Toatal Area =4015 sq ft.

Total impact of GST for the purpose of CTC

M/s DILIP ELECTRICAL WORKS

MINTA ELECTRICALS