Active Harmonic Filters
2. Multi-Functionality and Flexibility
3. System Stability and Safety
4. Ease of Installation and Scalability
5. Compact Size and High Efficiency
Active Harmonic Filter
How Active Harmonic Filters Work
Drosseln Active harmonic filters D20
D20 is the ultimate solution for these problems in one,
well-tailored package
AHF; SVG; ALB
No additional CTs or PFC-controller required
Auto Voltage & Frequency
Wide voltage range of 200~480 V for 3 W applications
and 200~440 V for 4 W applications
Switch easily from 50 Hz to 60 Hz
LTEC Active harmonic filters
·3-level topology
·Modular scalability
·Voltage from 200 V to 690 V
·3-wire or 4-wire
·Rating ofindividual units 25 A; 50 A; 100 A; 150 A;200 A
·Response time<100 microseconds
Real-Time Dynamic Compensation:
LTEC active harmonic filters utilize an industrial-grade control system, providing ultra-fast response times in milliseconds, and can correct up to 50 harmonics.
Three-in-One Power Quality Solution:
The active harmonic filters offer a harmonic suppression rate of up to 95%, and also provide dynamic reactive power compensation and three-phase load balancing.
Modular & Scalable Design:
Our active harmonic filters feature a modular design, making them easy to expand and providing a total system capacity of up to 3000A.
Superior Thermal Efficiency:
With exceptionally high harmonic suppression efficiency, the filters also offer superior thermal efficiency, reducing heat dissipation and operating cooling costs.
Applications of Active Harmonic Filter
1. Industrial Power Systems
Mitigates harmonics in manufacturing plants with heavy motor drives, VFDs, and CNC equipment.
2. Data Centers & IT Facilities
Ensures clean power for servers, UPS systems, and sensitive IT loads.
3. Renewable Energy Integration
Filters harmonics from solar inverters and wind turbine converters before grid connection.
4. Healthcare Facilities
Protects medical imaging equipment and critical care devices from power quality issues.
5. Commercial Buildings
Improves power quality in smart buildings with LED lighting and HVAC systems.
6. Transportation Infrastructure
Essential for metro traction systems and EV charging stations.
7. Oil & Gas Operations
Maintains stable power for offshore platforms and refinery equipment.
Why Choose LTEC's Active Harmonic Filter?
LTEC – Powering Your Systems with Innovation!
Military-Grade Dynamic Response
Ultra-fast <1ms correction speed (vs. 5-10ms in conventional filters)
Real-time tracking of 50+ harmonic orders simultaneously
Modular Scalability
Stackable units from 50A to 3000A capacity
Hot-swappable modules for zero-downtime maintenance
AI-Powered Optimization
Machine learning algorithms predict harmonic patterns
Adaptive compensation strategy for changing load conditions
All-Terrain Reliability
Operates at -40°C to +75°C (IP54 standard)
Reinforced anti-vibration design for harsh environments
Smart Grid Integration
Native IoT connectivity (Modbus TCP, IEC 61850)
Cloud-based harmonic analytics platform
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