Steel Authority Of India Limited

Steel Authority Of India Limited has published Bids Are Invited For Trfr, Current, 400-800-1600A, 1-1-1-1-1A-TRFR,CURRENT,400-800-1600A,1-1-1-1-1A , TYPE OF INSULATION: CLASS-A, APPLICATION: OUTDOOR, BURDEN: 20VA HERMETICALLY SEALED, OUTDOOR, OIL COOLED, SINGLE PHASE, WOUND PRIMARY TYPE, FIVE CORE, LIVE TANK, CURRENT TRANSFORMER WITH PORCELAIN INSULATORS HAVING A CREEPAGE DISTANCE OF 25 MM/KV I. E 3625 MM (MIN.) . (A) CT RATIO CORE: C1: 400-800-1600/1A C2: 400-800-1600/1A C3: 400-800-1600/1A C4: 400-800-1600/1A C5: 400-800-1600/1A (B) RATED BURDEN @ HIGHEST TAP: C1: -- C2: -- C3: 10VA C4: 20VA C5: -- (C) CLASS ACCURACY: C1 – PS C2 – PS C3 – 0.5 C4 – 5P C5 – PS (D) ISF/ALF: C1: --- C2: -- C3: <5 C4: 20 C5: -- (E)MIN KNEE POINT VOLTAGE (VK) : C1: 470/940/1880V C2: 470/940/1880V C3: -- C4: -- C5: 416/832/1664V (F)RCT AT 75 °C: C1: 2/8/16 OHM C2: 2/8/16 OHM C3: -- C4: -- C5: 3/12/24 OHM (G)IEXT AT VK/2@ 400A: C1: 30 MA C2: 30 MA C3: --- C4: --- C5: 30 MA (H)FREQUENCY: 50 HZ (I)RATED DYNAMIC CURRENT: 100KA, (J)RATED CONT. THERMAL CURRENT: 120% OF THE RATED PRIMARY CURRENT, (K)RATED STC: 40 KA FOR 3 SECONDS, (L)SYSTEM VOLTAGE: 132 KV, EFFECTIVELY EARTHED SYSTEM & HIGHEST SYSTEM VOLTAGE: 145KV (M)INSULATION LEVEL KV/KVP:275/650KV (N)APPLICABLE STANDARD: IS 2705 / 1992 (O)ACCEPTABLE PARTIAL DISCHARGE LEVEL: LESS THAN 10 PC AT 1.1UM/√3 (P)MAXIMUM RADIO INTERFERENCE VOLTAGE AT 1.1 TIMES THE MAXIMUM RATED VOLTAGE: LESS THAN 1000 MICRO VOLTS. (Q)DIELECTRIC DISSIPATION FACTOR (TAN-DELTA): LESS THAN 0.005 AT UM/√3 NOTE: CT SUPPLIED ARE TO BE SIMILAR IN ALL RESPECT VIDE CT. MANUFACTURING YEAR-2010 MANUFACTURER : MEHRU ELECTRICAL & MECHANICAL ENGINEERS(P)LTD , SERIAL NO : OC 2912/1/21/10 Total Quantity : 15. Last date of submission for this tender is 2024-08-29. This is a Insulators tender in Bokaro, Jharkhand