What is IDMT Curve and how to calculate it? Explained!
IDMT is an abbreviation for Inverse Definite Minimum Time. Essentially, an IDMT curve informs us how long a protective relay will wait before tripping when it discovers an overcurrent fault. The “Inverse” portion is that the larger the fault current, the quicker the relay...
View Now
Overcurrent Protection in Switchboards – How to Design It?
When we install or design an electrical switchboard, we need to ensure that if anything goes wrong (such as excessive current flowing), the system responds appropriately to safeguard people, equipment, and cables. That’s what overcurrent protection is all about. Overcurrent protection is broadly classified...
View Now
2025 Ford F-150 Lightning – How powerful is the EV?
The 2025 Ford F-150 Lightning is an EV benchmark because it combines America’s best-selling pickup truck’s rugged capability with the times’ electric technology. This electric pickup is not only phenomenal in performance and revolutionary capability, but it is also the benchmark by which an...
View Now
Essential Energy – Who are they? A Quick Summary.
Essential Energy is a government-owned electricity network corporation tasked with owning, operating, and maintaining part of Australia’s largest electricity distribution network. It was created in 2011 when Country Energy and Australian Inland Energy and Water were merged. Essential Energy covers an extensive region, providing...
View Now
Ford F-150 Lightning for V2G – What are the capabilities?
Essential Energy (one of the electricity networks in NSW), CSIRO (a big science research organisation), Sigenergy (a tech company), and AUSEV (an electric vehicle company) have announced that Vehicle-to-Grid (V2G) technology is now ready for real-world use in Australia. What is V2G? Typically, we...
View Now
Smart Switchboards – Can They Boost Energy Efficiency?
Smart switchboards are a game changer. They’re not merely dull grey boxes mounted in a switchroom. They’re really the intelligence of a new commercial building. Fitted with sensors, smart controllers, and a link to the Internet of Things (IoT), these systems don’t merely supply...
View Now
Load Factor – What’s the Best Value for Electrical Systems?
Whether you’re an electrical engineer or simply interested in how electricity is utilized, load factor is the key to maximizing energy consumption, reducing costs, and enhancing system efficiency. In this article, I’ll take you through what load factor is, why it’s important, and how...
View Now
Derating Factor – Why is it important? Explained!
Derating factor, a term that is easily forgotten but very important if we want our electrical installations to function and endure safely. Derating is a simple matter of reducing the rated capacity of something such as a cable or a machine. Why? Because actual...
View Now
AS/NZS 3008 – What Are the Best Practices for Cable Sizing?
Are you an electrical engineer handling your first project, perhaps in a commercial or industrial setting? Or are you an electrician who wants to better understand the plans involved in construction, including electrical installations? Even if you’re not an engineer or electrician, it’s still...
View Now
Solar Panel Installation – Are you doing it right?
Are you interested in having a solar panel installed in your home? Maybe you’ve been thinking about it because a lot of people have already proven that they’ve saved a lot of money since they started using solar panels at home. Who doesn’t want...
View Now