Electrical Lab Equipment Upgrade

• Country: USA
• Summary: Electrical Lab Equipment Upgrade
• UST Ref No: 131842715
• Deadline: 17 Dec 2025
• Financier: Self Financed
• Purchaser Ownership: Government
• Tender Value: Refer Document
• Notice Type: Tender
• Document Ref. No.: 1605C4-26-Q-00003
• Purchaser's Detail:
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• Description:
• The objective of this procurement is for the purchase and installation of components to replace
  the existing out-of-date substation behind the Mine Simulation Lab located at the National Mine
  Health and Safety Academy, and to purchase and install components to upgrade the power center
  in the electrical lab. This upgrade is needed to provide students with the most updated equipment
  for training.
  The following are the REQUIREMENTS:
  The following products and tasks are required under this Contract:
  750 kVA -1000 kVA COMPLETE MINE POWER SYSTEM
  The underground coal mine power center is to be rebuilt with all components listed below and
  Fully Functional at Completion.
  HIGH VOLTAGE INPUT SECTION
   1 Input Coupler, 15kV, 600A. (PLM High Voltage Couplers)
   1 Feedthrough Coupler, 15kV, 600A. (PLM High Voltage Couplers)
   1 Palm E-Stop pushbutton
   6 Top Cover Interlock Switches
   12 Side Cover Interlock Switches
   1 Visible Disconnect Switch, 600A, 5kV. Grounded in the open position, Lockable Handle, With Viewing window for switch position
   3 H.V. Fuses, 3/7.2kV, Properly Sized
   3 Lightning Arrestors, Properly Sized
  MAIN TRANSFORMER
   1 Primary kVA / Voltage 750-1000kVA @ 4160V Delta or Equivalent Transformer
   1 Secondary #1 kVA / Voltage 350kVA @ 995Y/575 Volts or Equivalent Transformer
   1 Secondary #2 kVA / Voltage 400kVA @ 480Y/277 Volts or Equivalent Transformer
   Install counter flashing
   Impedance 5% to 7% Z
   Phase: Three
   Frequency: 60 Hz
  CONTROL TRANSFORMER
   1 Primary kVA / Voltage Single Phase 480/240/120 volts or Equivalent Transformer
  MISCELLANOUS
   1 995 Volt Secondary Neutral Ground Resistor / 575 L-N, 15 Amp, Ground Resistor or Equivalent.
   1 Back-Up Ground Fault Monitor for 995 Volt Circuit
   1 480 Volt Secondary Neutral Ground Resistor / 277 L-N, 15 Amp, Ground Resistor or Equivalent.
   1 Back-Up Ground Fault Monitor for 480 Volt Circuit
   1 Zigzag...
• Documents:

 Tender Notice