tender for work of partial discharge and tan deltatestings of 220 kv cts & cvts, 132 kv cts & bushings of power transformers at various substations under etd-iv, prayagraj. sl. no. item description 1 following testing works are to be conducted for health monitoring of various current transformers in 220 kv & 132 kv bays as per technical specifications at the substations as per annexure-2. 2 partial discharge test of various 220 kv & 132 kv current transformers 3 partial discharge test by both ehf (extra high frequency) and hf (high frequency) methods with help of duly calibrated test kit. the work also includes the cost of carriage and operation of test kit including preparation and submission of test results in specified formats after the completion of tests. the test results should clearly mention the health of cts and suggestion for action taken regarding the same. 4 220 kv current transformers of various 220 kv bays 5 132 kv current transformers installed in 132 kv bays of various power transformers. 6 220 kv cvt. 7 capacitance and tan delta measurement & ir value 8 testing of bushings with the help of duly calibrated test kits to be arranged by the contractor including the cost of carriage and operation of test kit including preparation and submission of test results in specified formats after the completion of tests. the tests shall include capacitance, tan delta & ir value measurements (to be conducted by duly calibrated test kit). the works shall include the cost of carriage of test kit, manpower involved in teresting and submission of test reports in specified formats. 9 220 kv bushings of 2x160 mva transformers. 10 132 kv bushings of 132/33 kv 63 mva/40 mva power transformers. 11 33 kv bushings of 132/33 kv 63 mva/40 mva power transformers.tertiary bushing of 160 mva transformers. (33 kv) 12 visit charges including the cost of carriage of all the test kits required for testing activities in a particulars bay including testing of transformer/reactors/cbs, cts, cvts. all the test required in a particular bay shall be completed in a single visit as per availability of shutdown.