CTE MV Transformer Substation

Transformer/Distribution Substations

CTE MV Containerized Transformer Substation

Application: outdoor, free standing containerized unit, temporary or permanent use
Protection class: IP 54
Ambient temperature: -20 °C to +50 °C
Irradiation: 500 w/m²
Max. wind speed: 140 km/h
Max. snow load (at 1000 m): 200 kg/m²
Severity of seismic activity: AF 5
Standards to comply with Europe and International IEC EN 62271-202, IEC EN 62271-1, IEC EN 61439-1, IEC EN 61439-2, IEC EN 60909-0, IEC EN 60864-2, CEI 11-35 (II-ed)

Executions

 

Rated voltage 12 kV 17,5 kV 24 kV 36 kV
Power frequency withstand voltage ( 1 min) 28 kV 38 kV 50 kV 70 kV
Rated lightning impulse withstand voltage 75 kV 95 kV 125 kV 170 kV
Rated current 400 – 1250 A 400 – 1250 A 400 – 1250 A 400 – 800 A
Short term withstand current (1 s) 12,5 – 25 kA 12,5 – 25 kA 12,5 – 25 kA 16 – 25 kA
Internal arc withstand (1 s) 12,5 – 21 kA 12,5 – 21 kA 12,5 – 21 kA 16 kA
Rated frequency 50 – 60 Hz 50 – 60 Hz 50 – 60 Hz 50 – 60 Hz

Container sizes

Container (feet) 10 15 20 25 30 40
Length (mm) 2990 4590 6055 7500 9125 12190
Height (mm) 2635 2635 2635 2635 2635 2635
Depth (mm) 2435 2435 2435 2435 2435 2435

Characteristics

  • outdoor, free standing, accessible, containerized unit, specifically designed for job site electrification
  • provided with MV switchboard (eventually with APFC)
  • completely self contained, easy movable, designed for a long service life and safe use
  • can be lifted with transformer inside
  • cast resin transformer (from 100 – 4500 kVA), oil or air insulated transformer on request
  • customized MV switchgear modular unit with air/gas SF6 insulation
  • natural ventilation; options: fan or air conditioner, cooling or heating air conditioning system
  • personal and operational safety, protecting from contact with live parts
  • fire protection and safety
  • effective electrical and thermal insulation
  • easy operation, service and maintenance
  • interlocked 230 V / 16 A sockets
  • lightning installation with electric switch
  • accident prevention accessories: powder extinguisher, recharging emergency lighting, insulated carpet, warning notice, substation electrical drawing
  • fire detection and extinguishing system (optional)
  • warning horn (IP66), suitable for long term continuous activation
  • flashing warning light (IP55)
  • emergency push button (under glass)