CSP type single-phase transformer

CSP type single-phase transformer

Everpower Completely Self Protected Transformers (CSP) offer a complete and safe solution to protects the transformer from lightning, secondary faults, severe overloads, and provides visual early warning of an overload

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. Taps L.V. loss(W) DIMENSION(mm) E Weight(kg) Oil Qty(kg)
NO-LOAD FULL-LOAD A B C D
10 34500/19920 or 33000/19100 ±2×2.5% or 0 120 240 277 480 or 120-240 240-480 45 150 850 500 567 380 286           591  610 100 30
15 60 220 1100 505 575 380 135 44
25 85 285 1220 545 620 420 200 54
37.5 110 395 1250 585 660 460 250 66
50 140 515 1285 635 710 510 340 80
75 180 725 1320 660 730 510 360 90
100 235 905 1355 720 780 560 410 100
167 310 1250 1456 800 848 560 570 130
250 420 1600 1518 880 908 620 815 180
333 530 2150 1550 1020 1018 680 870 210

Standards 
IEEE C57.12.00,

ANSI C 57.12.20
IEC 60076



Certificate

ISO 9001

ISO 14001


Features and benefits
• High voltage surge arrester
• Primary protective link.
• Secondary circuit breaker
• Secondary breaker operating handle with emergency overload reset and overload signal light.
• 18 months standard warranty
• After sales maintenance and spare parts service


CSP is cheaper:

Conventional transformers with external cutout fuse and lighting arresters might first appear to be a less expensive, but when you add up the substantial extra costs of cutout fuses, longer installation time, increased outage down time, and time lost repairing and replacing damaged equipment, and so on, conventional transformers just cannot compete with CSP!

CSP is safer:

Completely self-protected transformers are safer by design. Along with internal installation that offers superior protection against animal intrusion, CSP offer the solutions to common problems.

 

Application

Urban and rural electrification

Public utilities

Highly polluted and hazardous conditions


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