Name of Work: fo|qr forj.k e.My f}rh;] esjB ds dk;Z{ks= eas fctusl Iyku 2025&26 ;kstuk ds vUrxZr fjys cnyus lEcU/kh dk;ZA
Sl. No.
Item Description
1
Carriage of following material from store center PVVNL to site & vice-versa of work including loading & unloading at both ends maximum distance up to 100 Km. :-
2
Providing fixing and Commissioning of numerical relay that should have protection for 3 OC+1 EF having following technical Parameters.Note:-The material should be of PVVNL approved vendor)
3
(i) Current rating: 1A/5A Site Selectable.(ii) Aux Supply: 180-240V AC +24V DC Rated (As per IEC) with Communicable Port.(iii) Draw Out with CT Shorting.(iv) Front LEDs Display for following:- L1, L2, L3, E, Trip for Faulty Phase/Earth, Low Set Trip, High Set Trip.(v) Relay should have minimum 4 DI, 6 DO.(vii) The relay should have Cold Load pick up, Harmonic Blocking and CBFP. It should have minimum 10 Fault records and 10 Events records.alp>5 to 400% in step of 1%.blp>5 to 3000% in step of 1%.cle>5 to 250% in step of 1%.dle>5 to 1500% in step of 1%.eTe>0.02 Sec to 20 sec in step of 0.01 Sec.f Ti>0.02 Sec to 20 sec in step of 0.01 Sec.Note:-Breaker Failure Detectiion. Communication Ports: RS485/RS232.Communication Protocols: MODBUS-RTU&IEC 60870-5-103. Programming through local keypad.Selectable definite Time or IDMT curves as per IEC standards. Rated input current selectable 1A or 5A.Password protection to guard against unauthorized access & editing of setting. Storage of latest 10 fault records with time stamping.Mounting/Case:Draw-out/Non Draw-out. Trip Circuit Supervision through digital input. EDD-SARDHANA - 73EDD-MAWANA - 58EDD-HASTINAPUR- 57
4
Providingand Commissioning of Master Trip relay in Power T/fat various 33/11 kv Sub stationEDD-SARDHANA - 13EDD-MAWANA - 11EDD-HASTINAPUR- 15
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