Isolation Transformer
LQHIT 10KVA/400V Oil-Immersed Isolation Transformer with Electrostatic Shielding
Critical Noise Suppression for Sensitive Systems
This oil-immersed isolation transformer delivers clean power by eliminating ground loops and suppressing electromagnetic interference (EMI). The integrated electrostatic shield between HV/LV windings blocks high-frequency noise that compromises precision measurement systems, reducing partial discharge interference by up to 40dB.
Core Technical Specifications
Parameter | Specification |
---|---|
Rated Capacity | 10 kVA |
Input Voltage | 400V AC (Single Phase) |
Output Voltage | 400V AC (Single Phase) |
Rated Current | 25A |
Impedance Voltage | 8% |
Insulation Medium | Mineral Oil (IEC 60296) |
Engineering Advantages
Double-Winding Isolation
Separate HV/LV coils prevent capacitive coupling, achieving >5kV isolation resistance for complete galvanic separation.
Electrostatic Shielding
Triple-layer Faraday cage between windings attenuates common-mode noise above 10kHz, critical for partial discharge measurement accuracy.
Oil-Immersed Construction
Dissipates heat 3x faster than dry-types, maintaining stable operation at 100% load with 55°C max temperature rise.
Industrial Applications
High-Voltage Test Labs: Isolate PD measurement circuits from grid-borne disturbances
Medical Imaging Facilities: Protect MRI/PET scanners from power quality issues
Industrial Automation: Shield PLCs and servo drives from transient spikes
Compliance & Safety
Meets IEC 61558-2-4 safety standards for isolation transformers. Oil-filled enclosure provides IP54 protection against contaminants. Includes over-temperature cutoffs and pressure-relief diaphragm.