Supply Of NGR 38.1 OHM 50A W.B F 5MVA 33/3.3KV Transformer At Bhupalpalli, Telangana

Current Transformers Tender Posted on :  07 Dec, 2017
Tender Details:

Tenders Are Invited For Supply Of NGR 38.1 OHM 50A W.B F 5MVA 33/3.3KV Transformer ( 1. The Total Enclosure Should Be Outdoor Type With IP 55 Degree Protection And Made Up Of Angle Structure And Sloping Top Canopy With 2.0MM MS Sheet Outdoor Type With IP 55 Degree Of Protection. The Enclosure Should Be Powder Coated Painted To Shade. 2. Neutral Point Termination: 12KV Class Glazed Porcelain Cable Box Type Bushing Fitted With M12 Size Brass Stud And 50X50X6 MM Connector Suitable To Accommodate Transformer Neutral Cable. 3. Ground Point Termination: 12KV Class Glazed Porcelain Cable Box Type Bushing Fitted With M12 Size Brass Stud And 50X50X6 MM Connector Suitable To Accommodate Ground Flat. 4. The Enclosure Should Be Consists Of The Following Parts. A. Resistors Value 38.1OHMS To Limit The Fault Current 50 Amps With Tolerance Of +/- 10%. Rated Current 50 A With Rated Duty 10 Sec. B. Residual Current Transformers-02 Nos-To Detect The Current Flowing Through The NGR. C. Coupling Device-01 No-to Measure The Voltage Across The NGR. D. Converter Unit-01 No-To Convert 30V DC To 110V AC For Use As Control Supply. E. Ground Fault & NGR Monitoring Relay-01 No-This Unit Should Have Capability Of To Monitor The Residual Current, To Monitor The Voltage Between Power Transformer Neutral & Ground, To Monitor The Grounding Resistor For Continuity. I) This Relay Should Have "Test" Button To Test The Healthiness Of Residual Current Tripping System. Ii) This Relay Should Have "ON" LED Indication For The Knowing Of Operation Of Relay. Iii) This Relay Should Have "Ground Fault" LED Indication For The Knowing Of When The Ground Fault Current Exceeds The Response Value. Iv) This Relay Should Have "Resistor Fault" LED Indication For The Knowing Of When The Voltage Across The NGR Exceeds The Set Value Or When The NGRs Resistance Exceeds 2000 OHMs. V) This Relay Unit Should Have Filter On/off Switch To Filter The Harmonics & Transient Currents Developed In The Residual Currents To Avoid False Trippings. Vi) This Relay Should Have Delay Time Setting Unit For The Residual Current From 0.1 To 2.0 Sec. Vii) This Relay Should Have Residual Current Setting Unit For 1.0 To 10 Amps. Viii) This Relay Should Have Setting Of Response Value For Measured Voltage Across The NGR From 20 To 400 Volts. ) At Bhupalpalli

  • Tender Value

    :

    Rs. 20 Lakhs/-

  • Quantity

    :

    3 nos

  • Authority Type

    :

    Public Sector

  • Products

    :

    Current Transformers

Important Dates

  • Tender Publish Date

    :

    07-DEC-17

  • Document Sale Starts

    :

    06-DEC-17

  • Document Sale Ends

    :

    28-DEC-17

  • Document Submit Before

    :

    28-DEC-17

  • Tender Due Date

    :

    29-DEC-17

    15  Days left

Due on: 29 Dec, 2017

Bhupalpalli - Telangana

Additional Details Available on Purchase:

  • Publication document  âœ“Authority Details
  • Important Dates
    • Tender Publish Date

      07-DEC-17

    • Document Sale Starts

      06-DEC-17

    • Document Sale Ends

      28-DEC-17

    • Document Submit Before

      28-DEC-17

    • Tender Due Date

  • Contact Information
  • Publication Info
  • Tender Publish Date

    07-DEC-17

  • Document Sale Starts

    06-DEC-17

  • Document Sale Ends

    28-DEC-17

  • Document Submit Before

    28-DEC-17

  • Tender Due Date

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