Ultra-low no-load loss distribution transformer utilizing iron-based amorphous metal core technology for 24/7 base-load and high-efficiency applications.
Iron-based amorphous metal core exhibits near-zero hysteresis loss compared to grain-oriented silicon steel, delivering quantifiable annual energy savings especially valuable in 24/7 energized but lightly loaded applications.
Optimized magnetic circuit distribution reduces flux concentration at corners, enhancing short-circuit withstand capability versus traditional rectangular core designs while simultaneously lowering stray losses.
Redesigned internal body positioning and switch mounting eliminate hand-hole gaskets—the most common field failure point—reducing oil leakage risk in vibration-prone or corrosive environments without compromising serviceability.
High-density electrical-grade laminated wood core clamps provide uniform pressure distribution and inherent magnetic insulation, minimizing eddy current losses in structural parts caused by leakage flux.
Sealed construction and non-sparking materials meet stringent anti-ignition requirements for flammable/explosive atmospheres, enabling deployment where conventional transformers pose unacceptable safety risks.
Core stacking performed under controlled tension and alignment protocols to prevent mechanical stress that degrades magnetic properties; post-assembly no-load loss verification confirms performance matches material specifications.
Magnetic field simulation verifies flux distribution uniformity before production; sample cores undergo induced voltage and short-circuit testing to confirm mechanical integrity aligns with design calculations.
Hand-hole-free tank design validated through positive-pressure hold and fluorescence penetration testing on every unit, ensuring sealing integrity exceeds conventional gasketed constructions.
No-load loss measurements recorded per IEC 60076-1 with test reports referencing actual core batch data, enabling clients to verify claimed 70–80% savings against project-specific baseline comparisons.
|
Rated capacity |
Connection symbol |
Voltage combination |
Losses(W) |
No- load current （%） |
Short-circuit impedance |
|||
|
（KVA） |
（KV） |
（%） |
||||||
|
|
H.V |
Tapping |
L.V |
No-load |
Load |
|
||
|
|
range |
|
||||||
|
30 |
Yyn0 |
6 |
±5% or ±2X2.5% |
0.4 |
30 |
600 |
1.7 |
4 |
|
50 |
43 |
870 |
1.3 |
|||||
|
63 |
50 |
1040 |
1.2 |
|||||
|
80 |
60 |
1250 |
1.1 |
|||||
|
100 |
75 |
1500 |
1 |
|||||
|
125 |
85 |
1800 |
0.9 |
|||||
|
160 |
100 |
2200 |
0.7 |
|||||
|
200 |
120 |
2600 |
0.7 |
|||||
|
250 |
140 |
3050 |
0.7 |
|||||
|
315 |
170 |
3650 |
0.5 |
|||||
|
400 |
200 |
4300 |
0.5 |
|||||
|
500 |
240 |
5150 |
0.5 |
|||||
|
630 |
Yyn0 or Dyn11
|
320 |
6200 |
0.3 |
6 |
|||
|
800 |
380 |
7500 |
0.3 |
|||||
|
1000 |
450 |
10300 |
0.3 |
|||||
|
1250 |
530 |
12000 |
0.2 |
|||||
|
1600 |
630 |
14500 |
0.2 |
|||||
|
2000 |
720 |
15535 |
0.2 |
|||||
|
2500 |
800 |
17270 |
0.1 |
|||||
Carbon steel with hot-dip galvanizing for standard outdoor use, or stainless steel for offshore/coastal/high-corrosion environments; custom RAL color matching available for site aesthetic integration or hazard zone coding.
Sealed-tank design for maintenance-free operation and enhanced safety in flammable atmospheres, or conservator with nitrogen blanket for high-altitude sites requiring pressure management.
Off-circuit tap changer for fixed-ratio base-load applications, or on-load tap changer (OLTC) for sites with significant voltage fluctuation; tap ranges adjustable to match local utility tolerance bands.
Compact quasi-circular core footprint reduces overall dimensions; optional heavy-duty casters and jacking pads for indoor/substation positioning where overhead cranes are unavailable.
WTI/OTI sensors with analog/digital outputs for SCADA integration; optional dissolved gas analysis (DGA) monitors for early fault detection in critical assets operating in hazardous zones.
No-load losses guaranteed within ±3% of nameplate value; load losses customizable to balance capital expenditure against specific tariff structures or regulatory efficiency tiers.
Adjustable bushing clearances and mounting hole patterns to fit existing foundation footprints; nameplates available in bilingual formats or with QR codes linking to digital documentation and core batch traceability.
Tell us your project requirements—voltage level, environment, grid code, or delivery timeline—and we’ll provide a compliant, optimized solution.
EN