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Tender For replacement of defective unbalancing/ndr relay with new ndr numerical type relays of 33kv capacitor bank panel at 220kv s/s bharthana under etd, etawah
Tender For supply of spares for ece make ocb and ece make ht switchgear from oem or authorised representative c c - ampere meter selector switch part no srp 136_ma , ampere meter 200 by 100 by 5a part no spl406 , copper connection_r phase part no ek 804052 , copper connection _y phase part no ek 804053 , copper connection _b phase part no ek 804054 , epoxy resin cast current transformer double core double ratio 15va_cl. 1_5p-10_ratio 200 by 100 by 5 by 5a part no ct by 5 by 300 , power pack unit 110v dc part no ek801025 , earth leakage relay 0.3 to 1.8 amps aux. supply 110v with cbct part no ekjrc172 , numerical idmt relay with 3 phase over current earthfault protection with inst tripping complete with fault display and recording sys and self supervision facility part no ekp154
Tender For supply ,retrofitting and commisioning of complete numerical protection relay inplace of old electro mechanical relay in exiting panel at 132/33 kv sub-station , nandira, jagannath area
Tender For purchase of protection system spares for power house of parbati-ii hep - reb670 main-ii busbar protection relay , resisitor unit for rxmvb4 trip relay, rxtma , trip circuit supervision relay, tsr, coil voltage: 220v&110v dc, 2c/o, article no.: in 352 001-as , high speed trip relay, rxms1 , pushbutton module for trip relay, rxt - pb unit in5396 3001 -ac , test switch, rxtp18 , test pin , bistable relay rxmvb4 (rk251 403-ah)-pb2ph , numerical relay with 50,51,51n,27u,64r protection, ctr:- -5a, 3 di & 5do , static relay mvapm32d1aa2001a operating voltage vn 110v ac , dc supply monitoring relay - vaa11yf8752ca , aux relay,aux voltage 220-250v dc,2no+2nc,reverse flag,vaa11yf7752ca , two element aux. relay,s/r type, 2no+1nc with h/r operation indicator per element - vaa21zg0750ba , bistable relay - mvajm14jb1002a1 , bistable relay- mvajm14jb1004a1 , tripping relay,mvajm25la1004a,16 no+4 nc,h/r flag,burden high , tripping relay with s/r contacts - vajs23zg1000aba , aux voltage 110-125/220-250v dc,2no+2co,reverse flag,flush mount, model no: vax31zg0750ba , trip coil supervision,1no+2nc, s/r , h/r reverse operation indicator per element - vax21zg8045bch , no volt relay, voltage rating 63.5 v, 50 hz , voltage dropping resistor - 3.3 k ohms / 35 watt with base plate , metrosil resistor- s1088 , metrosil resistor - 1196 , stabilising resistor 0 to 1000 ohms , 20hz generator for 100% stator e/f protection relay , band pass filter with built in voltage divider for 100% stator e/f protection relay
Tender For dismantling of old electromechanical type relay of 40 mva-ii c r panel and its retrofitting of numerical type relay at 132 kv substation jahanabad, under electy. trans. division-fatehpur.