Work of Checking the online health monitoring of CTs, PTs and LAs and work of residual life assessment of 25 MVA Power Transformer at 220 KV Substation Chamba

Work of Residual Life Assesment Test (Detailed assessment by diagnostics & analysis for incipient fault prediction) of 25 MVA Power Transformer (TELK Make): i)- Vibration Measurement Test ii)- Noise Measurement iii)- Thermographic Measurement iv)-Short Circuit Impedance Test v)-Online Partial Discharge Measurement test vi)- Magnetic Balance Test vii)- Winding Resistance at all taps viii)- Insulation Resistance Measurement ix)-Magnetizing current on each tap x)- Frequency Response on stray load (FRSL) xi)- Leakage Reactance and Impedance Measurement xii)- Capacitance & Tan Delta of Bushing & Windings xiii)- Vector Group Test xiv)- Turns ratio test xv)- SFRA

Work of opening and rejumpering of both HV & LV side of Transformer jumpers (06 nos.) including opening and reconnection of earthing of both HV & LV side of transformer.

Visit charges including the cost of carriage of all the test kits required for testing activities including testing of Transformer.

Testing of 220 KV Lightning Arrester through third harmonics resistive leakage current measurement along with test reports.

Visit charges including the cost of carriage of all the test kits required for testing activities in a particulars bay including testing of Lightning Arresters.

Partial discharge test of CTs & CVTs/PTs by both EHF (Extra High Frequency) and HF (High Frequency) methods with help of duly calibrated test kit. The works also includes the cost of carriage and operation of test kit including preparation and submission of test result in specified formats after the completion of tests. The test results should clearly mention the health of CTs & CVTs/PTs and suggestion for action taken regarding the same. i) 33KV PT

ii) 33KV CT

iii) 220KV CVT

iv) 220KV CT