Single Phase Pad-mounted Transformers

Single Phase Pad-mounted Transformers

Single-phase pad-mounted transformers are designed for underground residential and commercial distribution systems where safety, reliability and aesthetics are especially important. With proper design selection, they can be located near or inside buildings for greater flexibility and savings.

Technical specification

  • GENERAL TECHNICAL INFORMATION
  • Power Range kVA: 3. 5, 10, 15, 25, 37, 50, 75, 100, 167, 250, 333, 500
  • Temperature Rise: 55°C or 65°C
  • Cooling type : ONAN, OA,
  • Frequency: 50Hz or 60Hz
  • Polarity : Additive or Subtractive
  • Primary Voltage : 2400V through 34500 GrdY / 19920V
  • Secondary Voltage : 120 / 240V, 240 / 480 V, 277V, 600V
  • Insulation Class : 2.4Kv~34.5kV (150kV BIL) and below
  • Taps: none, or as an option, 4 x 2,5% HV
  • HV Bushings: cover and sidewall mounted available
  • STANDARD FEATURES
  • −−Core and coils designed for an optimum Total Ownership Cost (TOC)
  • −−Wound core with step-lap joints for increased efficiency and lower noise levels
  • −−“Low-high-low” windings for increased short circuit strength, efficiency and thermal strength
  • −−“Low-high-low” windings for increased short circuit strength, efficiency and thermal strength
  • −−Computer aided design for mechanical & electrical calculations (C.A.D.)
  • −−Paint system meeting or exceeding the performance of the IEEE C57.12.28 Standard
  • −−Lifting lugs meeting all of the requirements of the CSA C2.1-06 and CSA C2.2-06 Standard
  • −−Multiple cover clamps to ensure proper sealing and to mini-mize water retention on the cover edge
  • −−Cover or sidewall mounted high voltage bushing(s) as required
  • −−Low voltage spade or clamp type (basket) terminals as required
  • −−Provision for surge arrester bracket, bracket available as an option
  • −−Automatic self-resealing pressure relief valve
  • OPTIONAL PRODUCT ACCESSORIES
  • Cold-Rolled Grain Oriented Silicon Steel Core (CRGO) or Amorphous Metal Core (AMDT)
  • Stainless Steel Tanks and Cover
  • Extra Creep Bushing
  • Surge Arrester Bracket
  • The CSP protection package consists of four related components: H.V Fuse Link, Secondary Breaker, Signal light, External Surge Arrester that work together to provide complete self-contained protection against surge currents, short circuits and overloads.
  • Units can be customized to specific requirements
KVA H.V Ratings BIL(Kv) L.V.Ratings
10 2160gdY/24000to
34500GrdY/19920
or 2400 to 199200
Dual voltages available
60kV to 150kV 120/240
240/480
277
15
25
37.5
50
75
100
167

Standards 
IEEE C57.12.00,

ANSI C 57.12.20
IEC 60076



Certificate

ISO 9001

ISO 14001


Industrial, Commercial, Institutional and Residential areas. Indoor Installations like Cellars, Malls, Complexes where safety is of prime concern.


Features and Benefits
• One or Two universal high voltage bushings wells
• Recessed locking assembly with pad lock provisions
• Removable Sill
• Externally clamped low voltage bushings with contact
• Best insulation and sealing systems.
• 18 months standard warranty
• After sales maintenance and spare parts service

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