Industry

Commercial and Industrial

Schools and Universities

Healthcare and Hospitals

Hotels and Casinos

Military Installations and Vessels

Mission-Critical Facilities

Schools and Universities

Because schools and universities remain lightly occupied for extended periods of time, ultra-efficient transformers with low core losses provide a unique opportunity for significant energy savings. For this reason, ASHRAE has recommended ultra-efficient transformers that meet DOE CSL 3 efficiency requirements. PQI’s e-Rated® transformers exceed ASHRAE requirements and offer the most energy savings with the lowest cost.

In addition to our e-Rated® transformers, PQI’s harmonic mitigating Distribution TransFilters™ are essential for subsystems with high concentrations of nonlinear loads, such as computers, lab equipment, or electronic lighting ballasts.

    Standard Products

    PQI
    Product
    Description Benefits within Schools and Universities
    EY (e-Rated®) Ultra-efficient transformer – Low first cost
    – Ultra-low excitation (core) losses reduce power costs
    DV Distribution TransFiltersTM  Harmonic mitigating transformer – Reduces power costs
    – Reduces penalty losses due to harmonic currents
    – Reduces transformer heating and A/C loading
    – Reduces THDv to less than 5% at nonlinear loads or motor drives
    – Reduces losses in the loads, thereby reducing A/C requirements
    – Improves switch-mode power supply’s ‘ride-through’ capability
    – Balances primary phase currents
    – Assures system compatibility with sensitive electronic loads
    – Capable  of developing 12-, 18-, 24-, and 36-pulse primary systems

    Specialty Products

    PQI
    Product
    Typical Application Additional Benefits within Schools and Universities
    DD Motor drive loads – Provides isolation from upstream transients
    – Eliminates phase-to-ground voltage excursions at the motor drive
    Z Filter
    (I0 Filter & Mini-Z)
    High K-Factor loads (l0 Filter)
    Load-end of branch circuits (Mini-Z)
    – Reduces neutral-to-ground voltages to <4V at nonlinear loads (<1V for Mini-Z)
    – Increases general purpose (K 1) transformer capacity by up to 54%
    – Protects upstream neutral conductor 
    – Increases feeder and bus capacity
    – Balances feeder and bus phase currents (& branch circuits for Mini-Z)