Single Phase Pad-Mounted Transformers-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