Author: Phil Kreveld
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LED by efficiency
There is much to be gained from using DC rather than AC as primary input for LEDs. Phil Kreveld explains the technicalities. We live in a ... -
Vegetables head towards the light
Growing vegetables out of season, isolated from the weather and with no need for arable land may not be a utopian dream any more. Phil Kreveld ... -
Saving grace
Dealing with power quality problems in small and medium installations can be a source of new business for contractors. Phil Kreveld explains. There’s money to be ... -
Don’t rush in
The tripping of high-efficiency motors on start-up needs a bit more than a simple solution. Phil Kreveld explains. High-efficiency motors are one contribution to saving the ... -
Power quality analysis: Installation harmony
Power quality analysis should be conducted for any planned installation. Phil Kreveld explains why. The notion of power quality may be familiar to many in the ... -
Pardon the interruption
Technical aspects of the uninterruptible power supply will be of interest to electrical contractors. Phil Kreveld provides an overview. This article deals with the static uninterruptible ... -
Power factor… Quality matters
Power factor correction can lead to additional business for electrical contractors. Phil Kreveld covers the considerations. Maximum demand in Australia has been growing much more strongly ... -
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kVA demand costs money
Modern revenue metering measures harmonic kVA demand in addition to reactive demand. Phil Kreveld sees a business opportunity for contractors. The transmission and distribution networks are ... -
On the grid
Solar panel arrays can be better distributed for maximum ‘collectible’ characteristics. Phil Kreveld discusses the principles. Solar photovoltaic inverters differ from other types, often battery driven, ...
