Inverter-Matched Step-Up Solution with Harmonic Mitigation for Utility-Scale Renewable Generation
Low-voltage winding engineered to withstand high dv/dt stress and harmonic currents from PWM inverters; reinforced insulation coordination prevents premature dielectric failure under continuous non-sinusoidal loading.
Optional built-in APF/SVG modules achieve THD<3% at PCC without external equipment; dynamic reactive power response supports grid voltage stability during cloud transients and wind gusts.
Transformer body IP68 + HV/LV compartment IP54 dual-seal architecture; special shot-blasted enclosure with UV-resistant coating resists sand abrasion, salt spray, and thermal cycling from –40°C to +50°C.
Rated for 690V±10% wind turbine output and 800V AC next-generation PV inverter compatibility; OLTC option available for sites with >±5% steady-state voltage deviation.
FR3/K-class fire-retardant insulating liquid or cast-resin dry-type transformer core; optional aerosol/gas automatic suppression system activated by multi-point thermal detection.
Amorphous alloy or high-permeability grain-oriented silicon steel cores optimized for harmonic flux; copper windings with Class H insulation upgrade for inverter duty; acrylic rubber gaskets validated for 20-year UV/ozone resistance.
95% automated core stacking, coil winding, and vacuum oil filling; CNAS-accredited lab performs routine + type tests including harmonic loss measurement, partial discharge under repetitive impulse, and temperature rise at non-sinusoidal load.
7-layer nano composite coating system passes 20,000-hour neutral salt spray test per ISO 12944 C5-M; mechanical impact test IK10; seismic qualification Zone 4 available for tectonic-active regions.
| Rated Power (KVA) | High Voltage (V) | Low Voltage (V) | Dimension(mm) | Weight(KG) | |||
| W | D | H | Oil Weight | Total Weight | |||
| 15KVA | 34500/ 19920 13800/ 7957 13200/ 7620 12470/ 7200 or others |
120-240 240-480 |
610 | 740 | 840 | 45 | 294 |
| 25KVA | 610 | 740 | 840 | 68 | 362 | ||
| 37.5KVA | 610 | 760 | 840 | 75 | 476 | ||
| 50KVA | 610 | 810 | 840 | 93 | 553 | ||
| 75KVA | 610 | 860 | 840 | 132 | 672 | ||
| 100KVA | 740 | 940 | 910 | 141 | 742 | ||
| 167KVA | 760 | 1190 | 910 | 207 | 952 | ||
| 250KVA | 780 | 1210 | 910 | 250 | 1020 | ||
Amorphous alloy (no-load loss reduced 30%+ vs. conventional Si-steel), nanocrystalline, or ultra-low-loss GOES for projects with strict LCOE targets.
Factory-integrated SVG for dynamic voltage regulation; frequency-watt/volt-var curve programming per local grid code; black-start capability for islanded microgrid applications.
Desert package (enhanced forced-air cooling + G4 sand filtration + UV-stabilized coating); Arctic package (trace heating + low-temp oil + insulated enclosure walls); Marine package (316L SS hardware + C5-M coating + anti-condensation dehumidifier).
FR3/K-class fire-retardant insulating liquid or cast-resin dry-type core; optional multi-point thermal detection triggered aerosol/gas automatic extinguishing system for high-fire-risk zones.
IEC 62351 compliant communication encryption; unidirectional gateway for OT/IT network segregation; tamper-evident physical access controls.
Split-module design for oversized units exceeding road transport limits; integrated lifting/spreader beam certification; pre-assembled cable terminations reducing field labor by 60%.
Bilingual nameplates and warning labels; region-specific grid compliance declaration; FAT report with harmonic spectrum analysis; BIM-ready 3D model for EPC digital twin integration.
Tell us your project requirements—voltage level, environment, grid code, or delivery timeline—and we’ll provide a compliant, optimized solution.
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