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Zero SQ Filter buy in Petaling Jaya
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Zero SQ Filter

Zero SQ Filter

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Malaysia, Petaling Jaya
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Description
Zero SQ Filter

Parallel connected, 3-phase, 4-wire passive electromagnetic device that diverts 3rd and other triplen harmonic currents from the neutral conductor.

Features

  • Divert triplen harmonic currents away from neutral and supply transformer
  • Reduce voltage distortion caused by harmonic currents
  • Reduce high neutral current and neutral-to-ground voltage

Benefits

  • Reduce harmful effect of VFD harmonic currents
  • Produce quasi 12,18 and 24-pulse schemes with multiple 6-pulse VFD's

The Need to Treat Harmonics

Non-linear loads such as personal computers, monitors, laser printers, variable speed drives. UPS systems and other electronic equipments have led to harmonics being a major issue in the electrical industry today. Commercial and industrial power distribution systems designed for the old, linear-style loads are simply no longer suitable for servicing these non-linear, harmonic generating loads. Some common power system problems include:

  1. Overloaded neutral conductors
  2. Overheated distribution transformers
  3. High neutral-to-ground voltage (Vn-g)
  4. Poor power factor
  5. Distortion of the voltage waveform supplying these loads

Power quality problems, particularly those related to high total harmonic voltage distortion (THVD), have been known to cause equipment downtime due to malfunctions and component failure.

The first response by the electrical industry to harmonic problems was to double the neutral conductors and to replace the distribution transformers with K-rated models. Although this brute force method can help survive the overheating situation, it does nothing to address other power quality related problems. Zero SQ Filter on the other hand, are capable of treating all 5 major symtoms of harmonics.

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