Process and control today | New compact active crossover minimizes harmonics

CP Automation offers new Comsys ADF P300 filters with a reduced footprint

Power Quality Specialist CP Automation has expanded its range of active dynamic filtering (ADF) technologies to include P300 active harmonic filters from Swedish cleantech company Comsys. With space being limited in industrial environments, there is a need for smaller power quality systems. Updated compact P300 ADF units can eliminate harmonics and reactive displacements, with a minimal footprint.

Harmonics and reactive displacement present a challenge for industrial sites. They can cause losses in distribution networks and reduce the life of transformers, motors and other electrical equipment.

The new ADF P300 units from Comsys are designed for small and medium loads, in order to eliminate harmonics and reactive displacements in industrial environments. Units can be fitted with different power modules, holding one, two or even three at a time. The P300 is available with a cabinet width of 400 to 800 millimeters (mm) and with compensation currents ranging from 100 A (A) to more than 400 A per cabinet. They can also be daisy chained to meet wider requirements and are easier to install and retrofit than previous models.

They work by analyzing the power flows of electrical currents between the load and the network to determine the presence of any disturbances. If reactive displacement and/or harmonics are detected, the ADF units inject opposite phase currents to cancel out adverse load behaviors.

“Harmonic distortion and adverse load behavior are extremely damaging and, if left unaddressed, can cause systems to overheat and lead to costly equipment damage,” said John Mitchell, Global Business Development Manager at CP Automation. “ADF units can help detect and correct any abnormalities or distortions before they cause problems.”

“Space is often at a premium in industrial settings, but the new additions to our ADF P300 range can help accommodate all different sizes of compensation equipment.”

The ADF P300 is compatible with all three-phase low voltage applications. The unit can automatically eliminate harmonics and reactive displacement in a wide range of settings and is suitable for small to medium sized manufacturing businesses. Typical applications include supporting industrial loads, uninterruptible power supplies (UPS), medical equipment, and drive systems.

The new, more compact 150A and 300A cabinets are equipped with an SCC2 control computer, an autonomous digital processing system combining all the control functions for the process power modules. The SCC2 also facilitates active filtering when paired with Comsys’ line of ADF PPM300 inverter modules, which can be mounted in motor control centers, switch rooms, and in dedicated stand-alone cabinets. All of these benefits are achieved in a smaller unit and footprint.

The new product is more user-friendly. With previous versions, operators had to remove the control computer to service the modules. However, with the new update, the control unit is placed in the bottom of the cabinet, making it easier to access.

“Reducing the footprint provides several benefits in addition to power quality, including freeing up physical space and financial resources,” Mitchell continued. “Many of our power quality products are designed to be integrated into existing installations, but even then it is not always easy to allocate space for this technology. The more improved ADF P300 module offers greater flexibility and is easier to install than its predecessor.

For more information on the ADF P300 and other power quality technologies, visit the CP Automation website.

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