PQ Tech Inc., is a power quality pecialized company that supplies all technologies and control facilities in bulk concerning the quality of power and energy for all industries including those pertaining to the building structures, steel, bradcasting. IT, airport, hospital, govvernment offices, apartments among many others. In 1992, the company successfully localized the 22.9kv 90[ton] EAF Harmonic Filter engineering technology for the first time in Korea. Until today, the company conducts turn key projects to the National Fusion Research Institute(NFRI), Samsung Electronics, POSCO, Hyundai-Steel and others. Above all, the company accumulated extensive experience and know-how by conducting 278kv ...More information
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  • Active harmonic filter

    IPF3 - Active harmonic filter

    Active Harmonic Filter by PQ Tech is compact & cost-effective with low maintenance cost and allows easy retrofit for large systems with parallel connection.

  • Single phase harmonic filter

    SPC - Single phase harmonic filter

    Single Phase Harmonic Filter by PQ Tech's benefits; No power quality problem / No misoperation of breaker / Safe power system / Easy capacity expansion / etc.

  • Passive harmonic filter

    HHF - Passive harmonic filter

    Passive Harmonic Filter by PQ Tech's benefits; Protection from capacity loss, line cable heating, reactor& capacitor burning / Minimization of interference

  • Var compensator

    IVC - Var compensator

    Var Compensator by PQ Tech's benefits; Prevention of flicker / Transient free / No excessive switching phenomenon / Energy efficiency / Easy expansion.

  • Harmonic filters

    IPF4 - Harmonic filters

    Harmonic Filters by PQ Tech is compact & cost-effective with low maintenance cost and allows easy retrofit for large systems, thanks to parallel connection.

  • Dynamic voltage restorer

    SSC - Dynamic voltage restorer

    Dynamic Voltage Restorer by PQ Tech's benefits; Voltage restoration / Mass storage with super capacitor / Efficiency / Reliability / Compact design / etc.

  • Zero sequence harmonic

    ZSF - Zero sequence harmonic

    Zero Sequence Harmonic by PQ Tech's benefits; Protection from capacity loss, line& neutral cable heating/ Less imbalance in line current/ Power improvement.

  • Industrial Tuned Harmonic Filters

    IHF - Industrial Tuned Harmonic Filters

    The loads on the power system such as rectifiers, variable speed drives, welding machines, converters, and arc furnaces generate harmonic currents

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