Let’s Get Technical

  • 54

    Leading the charge

    Battery testing and charging for substations and electric traction can be challenging. Phil...

  • 39g

    LED by efficiency

    There is much to be gained from using DC rather than AC as...

  • 48

    Vegetables head towards the light

    Growing vegetables out of season, isolated from the weather and with no need...

  • 34

    Saving grace

    Dealing with power quality problems in small and medium installations can be a...

  • 39

    Don’t rush in

    The tripping of high-efficiency motors on start-up needs a bit more than a...

  • iStock_51627928_XLARGE

    Power quality analysis: Installation harmony

    Power quality analysis should be conducted for any planned installation. Phil Kreveld explains...

  • 38-2

    Pardon the interruption

    Technical aspects of the uninterruptible power supply will be of interest to electrical...

  • 52

    Power factor… Quality matters

    Power factor correction can lead to additional business for electrical contractors. Phil Kreveld...

  • 50

    VSDs

    Understanding torque and speed control aspects of variable-speed drives is important, says Phil...

  • 32

    kVA demand costs money

    Modern revenue metering measures harmonic kVA demand in addition to reactive demand. Phil...