>200kVA Range
LQLVF 300kVA/2X500A Power Noise Filter: Premium EMI Suppression with 18kV Insulation
Exceptional Insulation Performance
Engineered for maximum electrical protection in demanding environments:
18kV/1min dielectric withstand capability
Exceeds IEC 60664 insulation requirements by 300%
Creepage distance: ≥35mm/kV
Partial discharge inception voltage >10kV
Corona-free design up to 1.5× rated voltage
Technical Specifications
Parameter | Specification |
---|---|
Rated Capacity | 300kVA |
Rated Voltage | 0.6kV |
Current Rating | 2 × 500A (1000A total) |
Frequency | 60Hz |
Quality Factor | >70 |
Partial Discharge | Background noise <10pC |
Insulation Level | 18kV/1min withstand |
Continuous Operation | 60 min at 100% rated load |
Weight | 260kg (robust construction) |
Installation | Sub-stage switchgear cabinet |
High-Current Dual-Circuit Design
Robust engineering for industrial power applications:
1000A total current capacity (2×500A)
Low-impedance copper busbar design (≤0.06mΩ)
Copper windings with 200% short-circuit withstand
Dynamic response time <5ms
Parallel operation capability
Premium Attenuation Performance
Optimized EMI suppression for sensitive equipment:
40KHz-100KHz: >40dB attenuation
100KHz-1MHz: >60dB attenuation
Multi-stage LC filtering topology
Harmonic resonance damping technology
Frequency-stable performance (±0.8% across load range)
Switchgear Integration Design
Optimized for substation cabinet installations:
Heavy-duty 260kg construction for vibration resistance
Standardized mounting points for retrofitting
Front-access terminals with safety disconnects
Thermal management for enclosed spaces
HV cable entry points compatible with standard gland plates
Industrial Applications
Ideal for critical 0.6kV systems in:
Industrial substation switchgear
Utility power distribution systems
High-reliability data center PDUs
Renewable energy converter stations
Industrial process control centers
High-voltage test laboratories
Advanced Safety Systems
Engineered for maximum protection:
Arc-resistant containment chambers
Class H insulation system (180°C rating)
Surge protection (30kV/20μs withstand)
Ground fault monitoring with isolated relays
Automatic discharge circuits
IP55-rated enclosure for harsh environments
Installation & Maintenance Protocol
Ensure optimal performance in switchgear applications:
Verify cabinet dimensions ≥700×600×900mm (W×D×H)
Use silicone-insulated cable (20kV rating minimum)
Maintain minimum 150mm clearance to grounded surfaces
Torque HV terminals to 100 N·m ±3%
Perform quarterly partial discharge scans
Test insulation resistance annually (≥1000MΩ at 10kV DC)
Monitor attenuation performance every 24 months
Compliance & Standards
Exceeds international requirements including:
IEC 62271-200 for AC metal-enclosed switchgear
IEEE C57.12.00 liquid-immersed equipment
EN 50522 earthing of power installations
IEC 60076-16 power reactor standards
ANSI/IEEE C57.12.90 test code
IEC 61000-3-12 harmonic emissions
For switchgear integration guides or custom high-voltage solutions, contact our specialized engineering team. Performance validated per IEC 60270 partial discharge standards.