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PUBLIC HEALTH ENGINEERING DEPARTMENT
Srinagar, Jammu and Kashmir, India
NTID 38780407
- Opening Date : Fri 10th January, 2025
- Closing Date : Thu 9th January, 2025
- ₹ 375000.00
- NTID 38780407
Revamping/repairing And Maintenance Of Electrical Circuits Of Divisional Buildings By Way Of Supply, Installation, Testing And Commissioning Of 75.0 Kva Servo (for Full Refer To Boq)
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721.3 kBOil_India_ExtraDoc...Oil_India_ExtraDocument-GCO0449P23.pdf
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721.3 kBOil_India_ExtraDoc...Oil_India_ExtraDocument-GCO0449P23.pdf
BOQ Items Total Items : 3 | Total Qty : 1
# | Item | Quantity | Units |
---|---|---|---|
1 | Supply, installation testing and commissioning of 75 KVA 3 Ph. oil cooled, copper wound automatic servo voltage stabilizer seperate coil & dimmer booster including digital display/LCD having input/output voltage meters and enclosed in a robust container mounted on wheels and having leak-proof welding. Provision for Auto / Manual control from the front/top panel. The broad specs. of servo stabilizer as below: Type of voltage controller: Automatic digitally controlled. Input voltage : 220-400 volts.(3 phase) DV : 90/120 V Output voltage : 400 10% volts. Type : Unbalanced. Frequency : 50 3 %. Eff : 98% IR : >50 M at 500 V DC Control Circuit : IC Based Digital Circuit and Control BS : 1500 V AC for 2 min. DOP: IP30 | 1.00 | job |
2 | Protection : Overload cut-off and Short Circuit Protection/ Single phasing/ Low/High voltage cut-off, Reverse phase cut-off. Construction : Variable auto trfms, BB coils, Servo Motors Windings : Electrolytic grade copper of adequate section, high grade laminations, vacuum impregnated and oven-dried. Insulation : Fiber glass insulations to tested parameters. Cooling : ONAN Temp. Rise (Max) : 30 C above ambient Mounting : On Uni-directional wheels. Correction rate : 30 volts per step Wave form distortion : virtually nil Duty cycle : Continuous. | ||
3 | Enclosure : MS sheet enclosure in pressed CGR Sheet powder coated with radiators. Core laminates : High grade, low eddy loss, grain oriented silicon steel laminations. Load Amperes (continuous) Overload in 24-hours operation: 10% above continuous Ampere rating. The voltage stabilizer shall have T-oil level indicator gauge. The top/side of the container to have a display panel for housing Digital voltmeters (0-500V)/Ammeters along with 4-way selector switch and set of neon indicators for incoming and outgoing phases (06 No s). Manual Bypass & Auto Phase Correction. The stabilizer shall cinfirm to IS 9815. Insulating media (T. Oil) of 11 KVA grade as per IS:335 to be provided and filled up to top level, with dielectric strength of 5 KV at 4m air gap. The T-Oil of specific grade should be provided in separate barrels and filled at site up to top level. The job includes the cost of T.oil, 3.5 core Al-cable of required size and other allied works and necessary items required for the execution of work and testing on full load. The servo stabilizer shall confirm to BIS and shall have a warranty of min. 1 year equipped with all the necessary devices/gadgets. The voltage Stabilizer shall be accompanied with manufacturers dully stamped test certificate and other documents and shall have name plate with specifications. |
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