Tracking – Another Option to Increase Yield

Large scale solar projects have seen tremendous growth in recent years, with notable projects including the 10MW capacity Greenough River Solar Farm in Western Australia and the 220MW Bungala Solar Power Project in South Australia. These projects require significant investment from system owners, and particularly for larger projects it is important to maximise financial return […]

Wiring Rules AS NZS 3000:2018 – Key Updates to the Standard and What They Mean for Installers

The latest version of the Australian and New Zealand Standard: Electrical Installations “Wiring Rules” (AS/NZS 3000:2018) has now been published, and will supersede AS/NZS 3000:2007. Updates to the Standard have been made to reflect new technologies, equipment, and installation techniques. This article explores some of the most significant changes presented in the standard, and how […]

Those who can, do…and they should also teach

George Bernard Shaw wrote “Those who can, do. Those who can’t, teach” in his 1903 play “Man and Superman”. This quote has been widely used to disparage teachers and, in addition to the quote being broad-brushed and obtuse, it also implies that the two are mutually exclusive. GSES has two core offerings; Training and Consulting. […]

Renewable Energy Capacity Building vs. Building Capacity

Renewable Energy Capacity Building vs Building Capacity; Even though they are the same two words, the order and meanings are quite different. Building capacity, in the context of renewable energy, is deploying energy producing systems and associated infrastructure. Capacity building however, covers a myriad of matters associated with renewable energy, before, during and after the […]

Blast from the Past: History of Training and Accreditation in Australia

Attendees at first course (above). Back Row: David Bartley, Rick Potter, Lindsay Hart, Bob McDonald Stephen Garrett, Ray Prowse, Ron Tito, Roger Bunyan. Front Row: Tony Egan, Peter Browne, Stephen Ingrouille, Geoff Stapleton Words by Ray Prowse, first executive director of SEIAA, and Geoff Stapleton, Director Global Sustainable Energy Solutions (GSES) The history of the […]

Getting down to earth: Earthing explained

In an electrical network, an earthing system is a safety measure which protects human life and electrical equipment. As earthing systems differ from country to country, it is important to have a good understanding of the different types of earthing systems as the global PV installed capacity continues to increase. This article aims at exploring […]

AS/NZS 5033 amendment drafts out for comments: What are the changes?

The draft of amendments to AS/NZS 5033:2014 Installation and safety requirements for photovoltaic (PV) arrays was released for public comment in early February 2018. The comments period will close on 15th March 2018. The draft amendment 1:2018 and draft amendment 2:2018 are available for download free of charge from SAI Global. Standards updates and amendments […]

The Status of STCs: Where do we stand now?

Small-scale technology certificates (STCs) are the product of the Federal Government’s support scheme for small-scale renewable energy (appropriately named the Small-scale Renewable Energy Scheme, or SRES), and represent the main financial incentive available for residential and small commercial solar PV installations up to 100kW. Prior to the official publication of the proposed and actual amendments, […]

Central Protection: Why is it needed and what does it do?

Due to the high level of distributed, grid-connected PV systems in Australia, there is concern over grid stability and safety risk posed by inverter generation systems. The current inverter connection standard, AS4777.1:2016, which came into effect in April this year, reflects these sentiments by mandating that commercial PV systems use central protection, more popularly referred […]

Moulded Case Circuit Breakers Explained

As installed system capacity continues to increase in the Australian PV market, it is valuable for system designers and installers to understand the mechanisms behind moulded case circuit breakers, and the meaning behind their ratings. A moulded case circuit breaker (MCCB) is a type of electrical protection device that is used to protect the electrical […]

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