High-Efficiency, Low-Noise Electromagnetic Induction Unit for Precision & Compact Power Applications
Wound or step-lap stacked silicon steel core minimizes magnetostriction-induced vibration; operating noise ≤40dB meets ISO 3746 Class 1 requirements for hospital, lab, and residential-adjacent installations without additional sound enclosures.
Interleaved winding configuration reduces leakage flux by up to 60% vs. concentric-only designs; prevents interference with adjacent PLCs, sensors, and communication equipment in dense industrial or data center environments.
Cylindrical coil geometry creates uniform air channels for natural convection; verified 10–15°C lower hotspot temperature at full load extends insulation life and eliminates forced cooling needs in enclosed cabinets.
Volume reduced by 30–40% and weight by 25% compared to equivalent-rated EI-core transformers; enables direct integration into OEM equipment frames, vehicle underfloor compartments, and retrofit substations without structural modification.
Vibration-tested per IEC 60068-2-6 for rail/transit use; partial discharge <5pC for medical/scientific loads; surge immunity validated per IEC 61000-4-5 for renewable inverter interfacing—each variant engineered for its target environment’s unique stressors.
Dedicated production lines for wound-core (toroidal) and stacked-core variants; no shared tooling with distribution transformer cores to preserve acoustic and magnetic performance tolerances.
Leakage flux measured per IEC 60076-1 Annex D; conducted/radiated emissions pre-screened against EN 55011 Class B limits for medical/data center variants before final assembly.
CFD-simulated airflow paths validated via calorimetric testing per IEEE C57.12.90; thermal class assigned based on actual hotspot measurement, not average winding rise.
Each unit carries a unique serial-linked test certificate including noise spectrum, leakage inductance, and PD level; digital records retained 15 years for regulatory audits in healthcare and research facilities.
|
Rated Power |
High Voltage |
Low Voltage |
W(mm) |
D(mm) |
H(mm) |
Weight(kg) |
|
5 kVA |
|
120-240V |
400 |
530 |
960 |
115 |
|
10 kVA |
430 |
530 |
980 |
150 |
||
|
15 kVA |
480 |
580 |
1000 |
205 |
||
|
25 kVA |
500 |
580 |
1030 |
245 |
||
|
37.5 kVA |
560 |
640 |
1080 |
335 |
||
|
50 kVA |
560 |
640 |
1130 |
370 |
||
|
75 kVA |
780 |
800 |
1170 |
505 |
||
|
100 kVA |
710 |
800 |
1230 |
530 |
||
|
167 kVA |
795 |
895 |
1335 |
680 |
Stacked E-I core (cost-optimized) or toroidal wound core (ultra-low noise); concentric or interleaved windings per EMC/thermal priority.
Custom primary/secondary ratios; 50/60Hz dual-frequency or 400Hz aerospace variants; multi-tap secondaries for equipment calibration.
Open-frame, NEMA 1 ventilated, or IP54 sealed; DIN-rail, flange, or vibration-isolated mounting kits for OEM integration.
Electrostatic shield between windings for medical/isolation use; integrated LC filters for harmonic-sensitive loads; Faraday cage enclosure for EMI-critical sites.
PCB pins, screw terminals, or flying leads; internal thermal cutouts, PTC protectors, or fuse holders per equipment safety standards.
Conformal coating for humidity/salt spray; potting for shock/vibration resistance; extended creepage distances for high-altitude (>2000m) operation.
Application-specific test reports (noise spectrum, PD, leakage flux); UL/CE/VDE marking support; multilingual manuals aligned with end-equipment documentation requirements.
Tell us your project requirements—voltage level, environment, grid code, or delivery timeline—and we’ll provide a compliant, optimized solution.
EN