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HGA 5% Active Harmonic Filter

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The HarmonicGuard® Active (HGA) filter is an elite system-applied harmonic filter that minimizes harmonics to less than 5% total demand distortion (TDD) at the point of common coupling. The HGA monitors the load current and reacts to changes immediately. By injecting a counter-current, the active filter cancels out harmonics and synchronizes the current and voltage waveforms while improving power factor to near unity. One HGA filter can handle multiple non-linear, harmonic-generating loads.

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Elite System-Applied Harmonic Solution

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Manual

Brochure

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Additionally, the HGA meets the demanding requirements of IEEE- 519-2014. Offering top of the line performance and mitigation, the HGA provides a lower cost and a smaller footprint than a comparable 18-pulse VFD or active front end drive.

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A large, built-in 65k color touchscreen HMI display with LED backlight is included, along with communication options including Modbus RTU over RS485, EtherNet/IP, Modbus TCP/IP, BACNet/IP and DeviceNet.

Maximized Harmonic Mitigation in a Minimized Space

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TCI now manufactures the largest active harmonic filter in a single standalone enclosure, made in the USA. One 700 Amp HarmonicGuard Active (HGA) filter can correct harmonics for an entire system in excess of 2,000 HP of VFD load. The new 350 Amp size offers the highest harmonic current capacity to fit within a 30” MCC section.

Features

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  • Full range of active filters from 50-700 Amps

  • 208, 240, 480, and 600 VAC System Compatibility

  • Available in Open panel, Type 1, Type 12, and Type 3R

  • THID setpoint to ensure harmonic requirements are met 

  • Selectable harmonic correction from the 2nd to the 50th

  • Meets IEEE 519-2014 at all load levels as a system applied single filter solution

  • UL Listed; cUL Listed

  • Communication options: Modbus RTU over RS485, Modbus TCP/IP, EtherNet/IP, DeviceNet, and BACNet/IP

Sizing an Active Filter

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Sizing an active filter has many factors, including transformer size, amount of linear and non-linear load, and impedance in your drives. 

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We understand sizing an Active filter can be difficult, which is why TCI created the HarmonicGuard Solution Center. It’s a completely free harmonic estimator software that enables users to size filtering solutions to meet harmonic calculations and power factor requirements.

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The HarmonicGuard Solution Center is a web-based software, no download necessary.

Technical Specifications

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  • TDD Reduction to 5% or better at Full Load

  • Power Factor Improved to near Unity

  • Response time of less than 8 ms to step load changes

  • Units can be paralleled without any calibration

  • Self-Commissioning Installation

  • Meets IEEE-519 2014

  • System-applied – MCC & Switchboard

  • Touchscreen display

  • UL 508 Certified. No SCCR required by UL Standards for the filter.

Typical Applications

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  • Wastewater Treatment Plants

  • Industrial HVAC 

  • Multi-well Pads

  • Automation Production Facilities

  • Renewable Energy

  • Mining

  • Commercial Buildings

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