Metal Enclosed Harmonic filter Banks
medium voltage applications ranging from 2.4 kV to 35 kV
Elgin Power Solutions designs and manufactures high-performance metal-enclosed harmonic filter banks for medium voltage applications ranging from 2.4 kV to 35 kV. These systems provide essential power factor correction, voltage support, and harmonic distortion mitigation, while also helping prevent harmful resonance conditions in your electrical network.
Each unit is housed in a rugged, powder-coated steel enclosure—built to withstand harsh environments and ensure long-term durability. Elgin’s filter banks are available in fixed or automatic configurations, with single or multi-stage designs tailored to your specific system needs.
Filter Types Offered:
C-type
High Pass
Detuned
Single-Tuned
Multi-Tuned
Elgin’s harmonic filter banks use a carefully tuned LC (inductor-capacitor) circuit to create a low-impedance path for specific harmonic frequencies. By matching the circuit’s resonance to the unwanted harmonic, the filter redirects harmful currents away from the power source and safely dissipates them as heat.
It’s important to note that the heat dissipated by harmonic filters is not an additional system loss—these harmonics already exist within the system and represent unusable energy that would otherwise degrade power quality.
This process:
• Reduces total harmonic distortion (THD)
• Improves system stability
• Protects upstream equipment and utility interconnections
Engineering Considerations
Every Elgin harmonic filter bank is designed using detailed system data to ensure optimal performance and avoid unintended resonance issues. Key factors include:
- Target harmonic order(s)
- Load current harmonic profile
- Load kVA requirements
- Harmonic content in the neutral conductor
- Overall system configuration (e.g., power factor, one-line diagrams)
Elgin also conducts a thorough power quality study to confirm that each filter bank can be safely and effectively integrated into your network.
This process:
• Reduces total harmonic distortion (THD)
• Improves system stability
• Protects upstream equipment and utility interconnections
It’s important to note that the heat dissipated by harmonic filters is not an additional system loss—these harmonics already exist within the system and represent unusable energy that would otherwise degrade power quality.
Turnkey Solutions
From analysis to implementation, Elgin Power Solutions offers full turnkey support for harmonic mitigation projects. With Elgin as your partner, you get a single-source solution for managing harmonics and improving power system performance.
Power quality and harmonic studies
Custom equipment design and manufacturing
On-site installation
Testing and commissioning
Where Experience Drives Quality
Choose a partner with over 40 years’ experience in power, mining and electrical distribution systems. Take advantage of our expertise to source all your equipment requirements, and discover the Elgin Power Solutions difference today.