MinePwr-MPC-R35921

1000KVA 5KV SUBSTATION

Enclosure:

• Built as per Adria mine duty standard
• Built for vertical handling and lifting
• NEMA 2 cabinet
• Drip proof design, suitable for underground mining
• Sand blast surface preparation and epoxy painted
• Standard and easy to change replacement parts (doors, accessories, etc.)
• Dimensions and approximate weight:
  • 135’’W x 48’’D x 65’’H
  • 9 000 lbs

General information:

• Standard production testing
• All control wiring is SIS type as per CSA C22.1 #31 regulation (switchgear)
• CSA certification
• CAN CSA M421 compliant (mines and quarries)

Section 1

5kV primary disconnect switch:

• 5kV 600A load break switch c/w DIN fuses (45mm x 292mm)
  • Store Energy Mechanism (SEM)
  • Blown fuse tripping device
  • Padlock provision
  • Load break will trip in the event of a problem with NGR (SE-330) to comply with CEC2018
• 5kV 400A vacuum contactor
• 1x 4160/120V control voltage transformer with fuses
• Kirk-key interlock between 5kV switch door and switch handle, to prevent access when energized
• Recessed operating handle, to prevent breaks during handling
• Removable protecting mesh barrier for safe fuse replacement
• Visualization window to see 5kV switch state (safety glass)
• Top entry 5kV cable connection compartment behind interrupter

Section 2

4160/600-347V « Delta-Wye » transformer:

• Dry type power transformer
  • Mine duty transformer
  • 1000kVA
  • Class H insulation 220°C
  • Copper windings
  • 150°C rise
  • Primary: 4.16kV Delta) BIL: 30kV
  • Secondary: 600/347V (Wye) BIL: 10kV
  • Taps: 4x 2.5% (2FCAN + 2FCBN)
  • IZ: 5% (est)
• Splashproof ventilation louver with metal mesh protection behind
• Neutral grounding resistor (NGR) 69 Ohm, 5A cont.
• ER600V StartCo sensing resistor with CT
• CT’s and PT’s installed at the transformer secondary

Section 3

600V distribution panel:

• 6x 225A 3 poles c/w shunt trip 25kA feeder breakers
• 2x 400A 3 poles c/w shunt trip 25kA feeder breakers
• Padlock hasp on all 600V breakers
• 8x SE-105 ground fault protections c/w 200:5 CT on shunt trip equipped feeder breakers
• SE-330 NGR monitoring
• 1x digital power meter with CT and PT for metering (installed in control section)
  • Realtime metering: V (L-L), V (L-N) A, PF, HZ
    • 3 phases current are always visible simultaneously without user action required
  • Metering (average): A (demand)
  • Metering (max): V (L-L), V (L-N), A
  • Metering (min): V (L-L), V (L-N), A
  • RS-485 (Modbus RTU) communication
• 120/240V 10kVA auxiliary distribution (dry type) 4x 15A and 4x 20A cct recessed including 1x GFCI 120V 20A outlet with raintight cover
• 1x « 5kV contactor opened » green LED indicator light
• 1x « 5kV contactor closed » red LED indicator light
• 1x « 5kV contactor opened » pushbutton
• 1x « 5kV contactor closed » pushbutton