>200kVA Range
LQLVF 250kVA/2*416.6A Power Noise Filter: Technical Specifications and Critical Applications
Product Overview
The LQLVF 250kVA/2*416.6A Power Noise Filter delivers premium electromagnetic interference (EMI) suppression for 0.6kV industrial power systems. Featuring industry-leading <3pC partial discharge levels and dual-circuit design, this filter provides exceptional noise attenuation while ensuring long-term insulation integrity in demanding environments.
Core Technical Specifications
Parameter | Specification |
---|---|
Rated Voltage (Input/Output) | 0.6kV/0.6kV |
Rated Current (per circuit) | 416.6A |
Circuit Configuration | 2 Independent Circuits |
Frequency Range | 50-60Hz |
Filter Reactor Q Factor | >70 |
Cooling Method | ONAN (Oil Natural Air Natural) |
Insulation Level | 3kV/1min |
Weight | 280kg |
Premium Attenuation Performance
10kHz-100kHz Range: >40dB noise suppression
100kHz-1MHz Range: >60dB noise suppression
This advanced filtering effectively eliminates harmonics from VFDs, servo drives, and power converters in 0.6kV industrial networks.
Ultra-Low Partial Discharge Technology
With background PD levels <3pC, this filter provides:
Enhanced insulation lifespan in switchgear applications
Reduced risk of dielectric breakdown
Compliance with IEC 60270 partial discharge standards
Prevention of corona discharge in high-voltage systems
Switchgear Integration Design
Direct installation in sub-stage switchgear cabinets
Heavy-duty construction (280kg) for vibration resistance
ONAN cooling for maintenance-free operation
Compact dimensions optimized for panel integration
Critical Industrial Applications
Industrial Power Distribution: 0.6kV switchgear and busway systems
Manufacturing Facilities: High-precision CNC and automation equipment
Process Industries: Chemical plant motor control centers
Energy Infrastructure: Substation control and protection systems
Quality Assurance & Standards
Filter reactor Q-factor >70 ensures minimal signal loss
Complies with IEC 60939-2 for passive filter components
Meets IEEE 1159 power quality monitoring standards
Designed per IEC 60076 power transformer guidelines
Operational Benefits
Extends equipment lifespan by reducing electrical stress
Prevents false tripping of protection relays
Maintains signal integrity in sensitive instrumentation
Reduces electromagnetic radiation in control rooms