Types of Supply – Normal, Grid, Alternative, Supplementary, Independent
Electricity is supplied and controlled by different types of supply, providing electricity throughout the nation, from urban hubs linked to public utilities to off-grid rural or remote areas. Knowledge of these types is essential for Australians residing in large cities as well as rural...
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V2G and V2B Inverters Under AS/NZS 4777.2
Electric vehicles that can transfer power in reverse are commonly known as vehicle-to-grid (V2G) or vehicle-to-building (V2B) systems. These configurations enable power from the EV’s battery to be transferred back into the grid or into a building. In Australia, for such systems to be...
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AS/NZS 4777.1 Update – What Installers Need to Know?
AS/NZS 4777.1, Grid Connection of Energy Systems via Inverters – Part 1: Installation Requirements was published in August 2024. The new version, AS/NZS 4777.1:2024, contains a series of changes to make electrical installations safer and Australia’s electricity supply more reliable. It also reflects new...
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Switchboard Hazards – Can You Recognize Them?
Switchboard hazards typically begin small. Power interruptions—like surges, dips, or outages—can stress elements within the board. These little things add up over time, weakening parts that are not visible. Overloading is another concern, particularly in residences with growing numbers of appliances. Taking too much...
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Switchboard Construction – How Is It Done?
Switchboard construction is more than assembling parts—it is a careful process that guarantees efficient, safe, and reliable delivery of power. This article presents the process of constructing a switchboard, from frame support to final installation and inspection. 1. Switchboard Building Basics Essentially, a switchboard...
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V2G Chargers Available in Australia – A Quick Summary
A V2G charger is an advanced system that goes beyond the simple task of charging your car. While a typical unidirectional charger supplies AC (alternating current) power to your vehicle’s onboard charger—which then converts it to DC (direct current) to charge the battery—bidirectional chargers...
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Effects of Heat on Switchboard Lifespan – How to Manage
Heat is quite possibly the single most critical element affecting the life of components in a switchboard. The inside components, such as fuses, circuit breakers, contactors, and wiring, are all designed to operate within a specified temperature limit. When the temperature exceeds the maximum...
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All about Switchboards – What you need to know!
Switchboards are used to safely distribute electricity throughout commercial and industrial facilities. A switchboard is a component of an electrical distribution system which divides an electrical power feed into branch circuits while providing a protective circuit breaker or fuse for each circuit and a...
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Current-Carrying Capacity Electrical Calculation Tips
If you’re interested in electrical systems, especially in Australia, it’s important to understand how to calculate the Current-Carrying Capacity of wires. This ensures that electrical circuits are safe and efficient. In this article, we’ll break down the process of calculating Current-Carrying Capacity, using the...
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Vehicle-to-Grid (V2G) is Coming to Australia — And It’s Big News!
Soon in Australia, electric cars will be able to give electricity back to the power grid. This is called vehicle-to-grid, or V2G. It means cars can act like big batteries. This could change how Australia’s energy system works. Why is This Important? Car companies...
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