Construction of Proposed New 6 Bays Bus Stand at Existing ampus of Bus Stand at Barwala in Hisar Distt.(Pdg. Servo Stabilizer only) RECALL

SITC of 50 KVA Servo Motor Operated Automatic Voltage Stabilizer oil-cooled, suitable for operation on 3-phase four wire unbalanced load unbalanced supply confirming to IS 9815-1994, reaffirmed 2009, having following specification: Input - 300-480 V. AC Three Phase. Output - 415 V. AC Three Phase. Stability - ±1% Efficiency - More than 95% Cooling - Oil Cooled with first filling of oil as per IS-335 Distortion Introduced - -NIL- Frequency - 50 Hz Class of Insulation - ‘A’ Construction - Indoor Type No. of Servo Motor. - 03 Nos. (01 for each phase) Digital control cards. - 03 Nos. (01 for each phase) Auto variable Transformer - 03 Nos. (As per IS-5142) Buck Boost Transformer - 03 Nos. (As per IS-2026) Ambient Temp. - 45ºC Duty Cycle - Continuous Power Factor - Suitable for all Power factor load. Electronic Control - IC Based Insulation Resistance - More than 6 Meg ohm Mode of operation - Auto/Manual Type. - Unbalanced Supply, Unbalanced Load . In addition to above the stabilizer shall be provided with following facilities: 1. Mains indicator in each phase. 2. Digital Voltmeter to read Input and output in each phase. 3. Auto/Manual operation facility. 4. Input Low/High voltage indication. 5. Press Button switches to increase/decrease the output in manual mode. 6. Input/output connecting terminals. 7. Digital Ammeter with CTs to indicate output current in each Phase 8. Lifting Lugs 9. Drain valve 10. Oil Level Gauge 11. Earthing Terminal 12. Rating Plate 13. Junction Box 14. Wheels for Uni-directional movement. PROTECTIONS - 1. Automatic Low/High Voltage Cut off in the output. 2. Automatic Over load and short circuit Protection through suitable. rating MCCB By Pass Arrangement - The Stabilizer shall be provided with Four pole ON Load By Pass Switch of suitable rating Including inter-connections to isolate the AVR and By Pass the mains supply. Make:AE(Automatic ElectricLtd)/IECO/Brentford(Andrew Yule and Co) Capacity 50 KVA (Exclusive GST)