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  • power

Power Quality and Motor Control

poer6MGB offers product to help you improve power quality and motor controls.

  • AC Drives

    drivesAn AC drive is a device that is used to control the speed of an electrical motor, either an induction motor or a synchronous motor. AC drives are also known by various other names such as adjustable speed drives (ASD) or adjustable frequency drives (AFD) or variable frequency drives (VFD) or variable speed drives (VSD) or frequency converters (FC). 6MGB represent VACON that offers VFDs from fractionnal HP up to MW units.


  • Capacitor Banks

    capABB is the world n°1 supplier of solutions to improve the power quality of the low voltage network.

    Thanks to an extensive experience and use of the latest technologies, ABB develops, designs and manufactures a comprehensive range of products and solutions which improve the power quality of the Low Voltage Network by eliminating disturbances and improving power factor.

    cap2The ABB LV power factor correction portfolio includes:

    • Fixed capacitor banks for local motor or transformer compensation.
    • Contactor-switched capacitor banks for general power factor compensation purposes in commercial and industrial applications.
    • Thyristor-switched Dynacomp capacitor banks for power factor compensation of fast varying loads, giving additional benefits of transient free compensation and voltage dip minimization. With ABB Dynacomp technology large capacitor steps can be connected to the network.
    • Stepless reactive power compensators using power electronic inverters to perform stepless, instantaneous reactive power compensation of inductive and capacitive loads, also capable of load balancing.


  • Harmonic Filters

    harmonicVariable frequency drives are beneficial for a wide range of applications, however VFDs contain a power conversion process that creates current and voltage distortion which can cause system-wide problems. If non-linear loads represent a significant portion of the entire installed load, this distortion begins to cause problems throughout the electrical system:

    • Transformer and distribution equipment overheating
    • Random breaker tripping
    • Sensitive equipment may fail completely
    • Poor power factor
    • Reduced system efficiency

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  • Line and Load Reactors

    lineVoltage spikes on the AC power lines cause rapid elevation of the DC Bus voltage which may cause the inverter to “trip-off” and indicate an over-voltage protection condition. Reactors are used to absorb these line spikes and offer protection to the rectifiers and DC Bus capacitors while minimizing nuisance tripping of the inverter. A 3% impedance reactor is 90% effective at protecting against transients or nuisance tripping of AC voltage source inverters, due to voltage spikes. The 5% RL reactor extends spike protection to 99%.

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  • Power Transformers

    xfer6MGB offers a complete range of general purpose, standard and custom transformers.