VLT® PHD-202 Preferred Harmonic Design

  • Developed specifically to meet the diverse needs of water and wastewater applications

    The VLT® PHD-202 Preferred Harmonic Design (PHD) is a full-featured, AQUA dedicated drive solution when conformance to IEEE-519 is required, even at the drive terminals. The PHD-202 has a number of features developed specifically to meet the diverse needs of water and wastewater applications and is the most practical solution to address growing harmonic concerns within the industry.

  • Overview

    Meets the most stringent IEEE-519 levels down to 60% load at panel terminals

    • Delivers enhanced ThiD and Power Factor performance across the typical operating range.
    • Exceeds IEEE-519 THvD requirements
    ƒƒIncludes generator friendly features

    ƒƒImproves performance versus existing harmonic solutions
    • Delivers greater unit efficiency
    • Produces less heat
    • Provides better harmonic performance in a smaller package

  • Features

    Capacitor Disconnect

    Better overall harmonic performance

    Robust single enclosure

    Modular design utilizing standard VFDs

    Dedicated AQUA functionality

    Utilizes Danfoss VLT AQUA drive

    Units available with the following options:

    • Fused or CB disconnect
    • Bypass or non bypass
    • Softstart bypass
    • dV/dt output filter

    Enclosure ratings

    • ƒNEMA 1
    • ƒƒNEMA 12
    • ƒƒNEMA 3R

    Wall mount units to 75 HP
    Floor mount above 75 HP

    Product range

    3 x 480 V . . . . . . . . . . . . . . . . . . . 1.5 – 600 HP
    3 x 600 V . . . . . . . . . . . . . . . . . . . 1.5 – 650 HP
    With 110% overload torque

    Larger power sizes and alternate enclosure
    ratings are available upon request. Please consult factory.

    OSHPD Pre-Approval

    All units available with Special Seismic Certification and OSHPD Pre-Approval for ease of review by Authorities Having Jurisdiction.

    Application options

    A wide range of integrated AQUA options come standard in the AQUA PHD panel, common start/stop, auto bypass, and dV/dt output filter.

    Fieldbus Communication

    Unit comes standard with built-in fieldbus protocols and with optional communication protocols.

    External 24 VDC supply (MCB 107)

    24 VDC external supply can be added to facilitate drive communication when main power is disconnected

    Power options

    A wide range of external power options are available for the VLT® PHD-202 Preferred Harmonic Design solution:

    • ƒƒFused or Circuit Breaker Disconnect
    • ƒƒNon Bypass
    • ƒƒ3 Contactor Bypass
    • ƒƒSoftstarter Bypass
    • ƒƒdV/dt output filters for motor insulation protection

    Harmonic Performance

    • THID <5% above 60% load
    • ƒƒTHVD <1.6% with <5% voltage line imbalance
    • ƒƒCos Phi power factor = unity
    • ƒƒDistortion power factor >.98 at loads >50%

    Software downloads

    • MCT 10 Ideal for commissioning and servicing the drive
    • ƒƒVLT® Energy Box Comprehensive energy analysis tool, shows the drive payback time
    • ƒƒMCT 31 Harmonic analysis tool

Be social Take part

Want to socialize with us?

Get to know us and take part in the conversation