1000KVA MINE SUBSTATION

Enclosure:

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

General information:

• Standard production testing
• All control wiring is SIS type, as per CSA C22.1 #31 regulation (switchgear)
• Bilingual installation & maintenance manual included
• Danger signs, Arc-Flash signs, etc.
• ESA or CSA certification
• CAN CSA M421 compliant (mines and quarries)

Section 1:

Primary disconnect switch 5kV:

• 5kV 600A Load break switch c/w DIN fuses (45mm x 292mm
• 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)

Section 2

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

• Dry Type Power Transformer:
  • MINE DUTY TRANSFORMER
  • 1000kVA
  • C802.2 and NRCan 2018 compliant transformer
  • Class H insulation 220°C
  • 150°C Rise
  • Copper windings
  • Primary: 4.16kV (Delta) BIL: 30kV
  • Secondary: 600/347V (Wye) BIL: 10kV
  • Taps: 4x 2.5% (2FCAN + 2FCBN)
  • IZ: 5% (est.)
• Splash proof 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:

• 1x 400A 3P c/w ST feeder breaker
• (ST= Shunt-Trip)
• Padlock hasp on all 600V breaker
• 1x SE-105 ground fault protection c/w C.T. 200/5 on shunt-trip equipped feeder breaker
• SE-330 NGR monitoring
• 1x digital power meter with CT and PT for metering (installed in the 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
  • Ethernet communication
• 120/240V 5kVA auxiliary distribution (dry type) 4x15A and 4x20A ccts recessed including 1x GFCI 120V 20A outlet with cover