| 2 | Supply, Installation and commissioning Fully automatic Oil break down voltage tester , Capacity :100KV ,Make: Quadrant or Eqvt . Technical Specification & Features for Fully automatic oil BDV Tester, Capacity-100 KV (As per IS 6792-1992.) POWER SUPPLY : 220VAC +/- 15 percent ,50Hz ( +/- 5 percent ) ,INSTALLATION : Indoor , The equipment shall be fully automatic and microprocessor controlled compactinstrument with in built printer. Instrument shall be user friendly and menu guided. The test shall be visible andilluminated , Test voltage range of testing insulants : 0-100KV rms symmetric ( Selectable in steps). , Method:The complete sequence of testing viz: required initial stand time, stair time, rate of rise of applied voltage shall bepre- programmed as per different standards like IEC, BS, ASTM,BIS etc and instrument shall carryout thesequence of tests without supervision when switched ON . Repeatability of test shall be possible., Oil circulationby built in submerged magnetic stirrer., Display : LCD display (Backlit)., Test Vessel with stirrer : It shall be ofhigh impact and chemical resistant with non breakable quality material with maximum 400ml capacity suitable foreasy handling and cleaning Test vessel shall be according to IEC 156/1995-05 (latest version)., Electrodes:Provided with full sets of electrode of brass/copper for testing as per IEC/BIS. Additional electrodes may besupplied as per relevant standard of testing., Electrode mounting: Horizontal axis, max gap 6.5mm. Fully coronafree operation of holders to support the test vessel., After adjusting the gap of the electrode, a precision electrodegap locking system shall also be provided., Additional features: Fast disconnecting time at the moment of flashover, control circuit to limit breakdown discharge energy to allow multiple test on samples. Facility for manualoperation, recalling of breakdown values and average value of results. Electromagnetic shielding of high voltagecompartment, free from radiated interference to enable use of this instrument nearby to computer, gaschromotograph etc. Test voltage results shall not affected by line voltage variations., Printer: In built printer mustbe provided. For each test cycle, individual breakdown value(V peak f%u221A 2) , Arithmetic mean breakdownvalue, standard deviations are to be printed along with date and time., Safety interlocking system: HV circuit shallbe energized only when the test chamber is closed., Voltage class of high voltage bushing: 60 kv(min).,Measuring accuracy: Less than + / - 0.1 kV +/-1 percent, Resolution : 0.1kV. |
