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AccuSine PCS+

The Schneider Electric solution for active harmonic filtering in industrial installations.

AccuSine PCS+ is a flexible, high performance, cost-effective solution for stabilizing electrical networks by providing harmonic mitigation, power factor correction and load balancing.

AccuSine PCS+
  • Features

     

    • A complete solution for harmonic filtering that meets every harmonic standard around the world.
    • Can be operated as a displacement power factor correction and load balancing device independent of or in conjunction with harmonic mitigation.

    Technical Data
    Standard RMS output current ratings

    • 60 A, 120 A, 200 A, 300 A - 380 V AC to 480 V AC
    • 47 A, 94 A, 157 A, 235 A - 480-600 V AC
    • 40 A, 80 A, 133 A , 200 A - 600-690 V AC

    Nominal voltage

    • 380-480 V AC; +10%/-15%
    • 480-600 V AC; +10%/-15%
    • 600-690 V AC; +10%/-15%

    Up to 15kV with custom transformers

    Nominal frequency

    • 50/60 Hz, ±3 Hz auto sensing

    Number of phases

    • 3-phase, with or without neutral

    Spectrum cancellation

    • 2nd to 51st, discrete; fully selectable per harmonic order (amplitude and on/off)

    Harmonic Attenuation

    • Closed Loop: < 3 % THD(i); max 20:1 THD(i) reduction with load harmonic current above 50 % of AccuSine PCS+ rating
    • Open Loop: < 5 % TDD
    • Requires 3 % or higher inductive impedance per nonlinear load

    Power factor correction

    • Optimized unity PF, Leading (capacitive) or lagging (inductive) power factor (Cos φ) to target

    Mains current balancing

    • Negative sequence current injected to balance fundamental current on the mains due to load imbalance (inherently corrects displacement PF (Cos φ))

    Control response time

    • 25 μs

    Harmonic correction time

    • 2 cycles

    Reactive correction time

    • 1/4 cycle

    Operating Temperature

    • 60 A, 120 A & 200 A: IP00, IP20, UL Type Open, & UL Type 1 configurations -0 °C to 45 °C
    • All others 0 °C to 40 °C
    • Derate 2 % per degree °C to 50 °C

    Relative humidity

    • to 95 %, noncondensing

    Operating Altitude

    • 1000 m (derate 1 %/100 m above), max 4800 m

    Standards compliance/ certification

    • cULus (UL508 , CSA 22.2 No. 14)
    • CE Certified, ABS, Lloyds, other local standards

    Display

    • 144 mm QVGA TFT 64k-color touchscreen


     

    Benefits

     Flexible and scalable:

      • All types of harmonic producing loads
      • Single load, bus or global site filtering
      • Compatible with future load changes
    • Easy sizing and independent of system impedance
    • Simple selection online tool
    • Simple installation and ease of expansion
    • Flexible parallel operation modes for multi-unit installations
    • Current transformers can be installed on the incoming mains (source sense) or on the feeders to the loads (load sense) for maximum installation flexibility
    • Peace of mind:
      • Achieves compliance with any harmonic standard anywhere around the world when sized correctly
      • Compatible with generator sources - off loads generators of reactive and harmonic current demands to extend life and ensure proper operation of generators
      • Compatible with UPS sources: relieves UPS of reactive and harmonic current demands to ensure proper operation of UPS
      • Ensures energy efficiency by optimising transformer and cable capacities; reduces utility power factor penalties; and saves the cost of generation and transmission of reactive and harmonic current (non active currents)
      • Maximises up time when used for harmonic and/or power factor correction.

    Applications

     

    • Anywhere nonlinear loads are present: water/wastewater facilities, HVAC systems, oil & gas platforms, petrochemical plants, port cranes, mining, pharmaceuticals, pulp & paper, automotive plants, all-electric ships, wind mill and solar farms, steel mills, plastic extrusion plants, and more.
    • Stop voltage sags and flicker due to load current fluctuations (VAR compensation): Ball mills, shredders, arc welders, arc furnaces, hard to start AC motors, and more.