Product Catalog

MinePwr-SUPRA-R35535-537

Description

2MVA 15KV SUBSTATION FOR 5kV VFD

1st module - Section 1

15kV primary disconnect switch, including:

  • 15kV 600A Load break switch
    • Stored Energy Mechanism (SEM)
    • Shunt trip on load break switch
    • Padlock provision
  • Recessed operating handle, to prevent breaks during handling
  • Visualization window, to see 15kV switch state (safety glass)
  • 3x high voltage LED indicators installed directly at the line side of the 15kV switch
  • 3x 25mm grounding balls on phases (load side of 15kV switch) and 1x on ground bar outside the enclosure. Allows uses of temporary grounding cable sets during work on equipment.

15kV Vacuum Circuit Breaker (VCB):

  • Max rated voltage: 17,5kV
  • Basic Impulse Level: 95k VBIL
  • Rated short circuit: 25kA
  • Control: 120VAC
  • 1x SEL751A protection relay
  • 3x 200:5 current transformers
  • 1x ZSCT 50:5
  • 1x 5kV:120V PT
  • Breaker will trip in the event of a problem with the NGR (SE-330) (to comply with CSA M421)

Accessories:

  • 1x 1440VA UPS 120V-120V
  • 1x Ethernet switch c/w power supply
  • 1x SE100T

Section 2

13800 / 4160-2400V « Delta-Wye » transformer, including:

  • Dry Type Power Transformer:
    • MINE DUTY TRANSFORMER
    • NRCAN 2018 COMPLIANT TRANSFORMER
    • 2000kVA
    • Class H insulation 220°C
    • 80°C Rise
    • Copper windings
    • Primary: 13.8kV (Delta) BIL: 95kV
    • Secondary: 4160/2400V (Wye) BIL: 30kV
    • Adjustment taps: 4 x 2.5% (2FCAN+2FCBN)
    • IZ: 6.5% (est.)
  • Splash proof ventilation louver with metal mesh protection behind
  • Neutral grounding resistor (NGR) 480 Ohm, 5A cont.
  • Startco ER5kV sensing resistor with CT
  • 1x ITM 118 temperature monitor
  • 12x 120VAC fans
  • 3x 15kV lightning arresters at primary

2nd module - Section 3

2x 5kV primary disconnect switches (1 per VFD), including:

  • 15kV 600A Load break switch c/w DIN fuse (45mm x 442mm)
    • Stored Energy Mechanism (SEM)
    • Shunt trip on load break switch
    • Blown fuse tripping device
    • Padlock provision
    • Spare fuse holder, installed on the inside of switch compartment
  • Recessed operating handle, to prevent breaks during handling
  • Removable protecting mesh barrier, for safe fuse replacement
  • Visualization window, to see 15kV switch state (safety glass)
  • 1x 5kV 400A contactor
  • 1x SEL731
  • 1x ZSCT

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

  • Dry Type Power Transformer:
    • NRCAN 2018 COMPLIANT TRANSFORMER
    • 75kVA
    • Class H insulation 220°C
    • 80°C Rise
    • Copper windings
    • Primary: 4.16kV (Delta) BIL: 30kV
    • Secondary: 600/347V (Wye) BIL: 10kV
    • Adjustment taps: 4 x 2.5% (2FCAN+2FCBN)
    • IZ: 6.5% (est.)
  • Splash proof ventilation louver with metal mesh protection behind
  • Neutral grounding resistor (NGR) 69 Ohm, 5A cont.
  • Startco ER600V sensing resistor with CT
  • Include drive control and protection

Enclosure:

  • Built as per Adria mine duty standard
  • NEMA 2
  • Drip proof design, suitable for underground mining
  • Sand blast surface preparation and epoxy painted
  • Approximate dimensions and weight:
    • 308’’ W x 72’’ D x 98’’ H
    • 31 000lbs

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