Technical Specification for A.C. Single Phase, 2 Wire ... - WBSEDCL

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Sl.No.Particular(iv) Neutral disconnected fromboth incoming & outgoing andload drawn through local earthMin. Requirement as per Specification ofWBSEDCL-do- provided threshold current is 1 Amp. &aboveAs offered(v) Indication of above tamperconditionLCD / LED indication.21.Suitability of meter to sustainover voltage i.e. phase tophase voltage injectedbetween phased & neutralShould sustain22Electromagnetic compatibility(EMI / EMC severity level)As per IS 13779: 199923.(i) Effect on accuracy ofexternal electromagneticinterference of electricaldischarge, external magneticfield & DC current in ACsupply or in neutralShould work within accuracy as per latestIS & CBIP report -304 with latestamendment.(ii) Immune to Electrostaticdischarge upto 35kVpExceeding 35kVp it should log as tamper(iii) Current reversal, Neutraldisturbance & Magnetictamper logging in memoryMeter shall log last 25 events with date andtime24.Effect on accuracy undertamper conditions / influenceconditionsShould work within accuracy specified inIS: 13779 / 1999, and CBIP tech. Report304 . Error beyond +/- 4 % will not beacceptable for conditions not specified inIS: 13779 / 1999 & CBIP tech. Report 30425.Drift in accuracy ofmeasurement with timeNo Drift in accuracy in measurement withtime26. Name plate details27. Approximate weight of meter To be indicated28. Type of mounting Projection typeIt should cover all the details as prescribedin Clause-2129. CalibrationMeter shall be software calibrated at factory& there shall not be any mechanical form ofcalibration, such as, mechanical preset /trim port / potentio etc. so that anyadjustment in calibration is not possibleafter freezing the meter constant.30. Manufacturing activity(i) Mounting of components onPCB shall be SMT typeSMT type and ASIC technology
Sl.No.Particular(ii) Compliance to assurance31. Testing facility(i)Fully automatic computerisedmeter test bench with print outfacility shall be availableMin. Requirement as per Specification ofWBSEDCLTo be compliedMust be availableAs offered(ii)(iii)Make and Sl. No. of TestbenchAccuracy of ESS dulycalibratedTo be indicated---do---(v)Following in house testingfacility shall be available :(i) AC high voltage test(ii) Insulation test(iii) Test of no load condition(iv) Test of Starting condition(v) Test on Limits of error(vi) Power loss in voltage andcurrent circuit(vii) Test of Repeatability oferror(viii) Test of meter constant(xi) Power loss in voltage &current circuitMust be available--do----do----do----do----do----do----do----do--(x) Test of Magnetic influence --do--32.Whether offered meter typetested as per ISS 13779 /1999 Table-20 for all thefollowing tests (indicate nameof laboratory /Reference ofreport No. & date)Clause No – 3 of general requirement.(i) Vibration test 12.3.2(ii) Shock test 12.3.1(iii) Spring Hammer test 12.3.3Protection against penetration(iv)12.5of dust and water(v) Test of resistance to heat & 12.4fire(vi) Power consumption 12.7.1(vii) Influence of supply voltage 12.7.2(viii) Voltage dips and interruptions 12.7.2.1.(ix) Short time over current 12.7.3(x) Influence of self heating 12.7.4(xi) Influence of heating 12.7.5(xii) Impulse voltage test 12.7.6.2(xiii) AC high voltage test 12.7.6.3Name ofLab Typetest ReportRef. No.
Page 1 and 2: WEST BENGAL STATE ELECTRICITY DISTR
Page 3 and 4: 5.0 POWER FACTOR RANGEThe meter sho
Page 5 and 6: 11.5 All insulating material used i
Page 7 and 8: vii) Meter should record energy wit
Page 9 and 10: A) Auto Display Mode :The following
Page 11 and 12: This BCS should have, amongst other
Page 13 and 14: General Requirements1. GUARANTEED T
Page 15 and 16: Shunt test by applying 100 Amps con
Page 17 and 18: a) While submitting the samples and
Page 19 and 20: The electronic components shall be
Page 21 and 22: Component Specifications:The meters
Page 23 and 24: ANNEXURE - IGUARANTEED TECHNICAL PA
Page 25: Sl.No.ParticularMin. Requirement as
Page 29 and 30: Sl.No.ParticularMin. Requirement as
Page 31 and 32: ANNEXURE - IVSl.No.1LIST OF DOCUMEN
Page 33 and 34: 6.) Description of Test:Limits of E
Page 35: 13.) Meter Display14.)PhysicalExami
Page 39 and 40: 3.5 Fixing arrangement :The meter b
Page 41 and 42: If the type test results are not fo
Page 43 and 44: ANNEXURE-VIGUARANTEED TECHNICAL PAR
Page 45: ANNEXURE - VIITESTING1. Sample sele

Technical Specification for A.C. Single Phase, 2 Wire ... - WBSEDCL

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