Product Catalog

PitMaster-Mobile-R33585-000

Description

7.5MVA trailer mounted substation

Incoming section

25kV switch including:

  • 3 phase busbar 600A with 2-hole connection
  • 25KV isolator
  • 3x phase protection CT connected to the protection relay of the PTO compartment
  • 1x 25kv output receptacle
  • Kirk key interlock set, on each door compartment
  • 1x 25kv 250A load break switch
  • 1x grounding bar for the arcing contact of the load break switch
  • Interlocked with the load break switch (preventing closing/grounding when the system is live)
  • 1x switch operation handle with padlock provision
  • 1x electrical auxiliary contact on the LBS, to open the ground check circuit for the load (open ground check loop of the load when the switch opened)
  • 1x 27kV 600A Tavrida breaker
  • 1x space heater with thermostat
  • 1x pushbutton and internal light (to help see LBS and grounding switch state through the windows)

25kV 250A PTO

  • 1x 25kV 250A load break switch
  • 1x grounding bar for the arcing contact of the load break switch
  • Interlocked with the load break switch (preventing closing/grounding when the system is live)
  • 1x switch operation handle with padlock provision
  • 1x kirk key interlock set (interlock between switch handle and door)
  • 1x electrical auxiliary contact on the LBS, to open the ground check circuit for the load (open ground check loop of the load when the switch opened)
  • 1x 27kV 600A Tavrida breaker
  • 1x space heater with thermostat
  • 1x pushbutton and internal light (to help see LBS and grounding switch state through the windows)
  • 1x emergency stop button (installed on the external door) to open the ground check pilot from feed
  • 1x CT for SE-135 Startco
  • 1x 25kV output receptacle (Floor access like the PTO7.2kV)
  • 4x external status indicator lights

Enclosure specifications:

  • Nema 3R
  • Exterior doors (with door stopper)
  • Fully insulated enclosure
  • Canopy on top of this switchgear (to mitigate solar radiation)
  • Sand blast surface preparation and epoxy painted
    • UV protection coating

Transformer section

7500KVA power transformer

  • Dry type Power Transformer (VPI)
    • MINE DUTY TRANSFORMER
    • 7500kVA
    • NRCan 2019 compliant transformer
    • Class H insulation 220°C
    • 80°C Rise
    • Copper windings
    • Primary: 24940V (Delta) BIL: 150kV
    • Secondary: 7200V (Wye) BIL: 95kV
    • Taps: 4x 2.5%
  • Option included
    • Temperature monitoring systems ITM118
    • Primary and secondary Station class surge arrester
    • RC Snubber not required
    • Anti-Condensation Strip Heaters Wired to Thermostat
    • Primary and Secondary CT For the SEL 787 protection relay
  • Construction
    • Nema 3R enclosure
    • Air terminal chambers: Primary & Secondary
    • 11 gauge steel construction
    • Finish: ANSI 61 Grey

1x neutral grounding resistor

  • 277.3 Ohm, 15A cont. Neutral grounding resistor (NGR)
  • ER15kV Startco sensing resistor with CT
  • Nema 3R enclosure

Distribution section

7.2kV PTO output including:

  • 1x 7.2kV 1200A mainbuss
  • 1x 15kV 630A load break switch
  • 1x switch operation handle
  • 1x kirk key interlock set (interlock between switch handle and door)
  • 1x visualization window to see switch state (safety glass)
  • 1x 15kV 630A breaker
  • 1x 7.2kV output receptacle, Patton and cooke
  • 1x controls
  • 2x external lights
  • Heating and thermostat control
  • Enclosure: NEMA 3R


Download Documents

à venir