Captech will be exhibiting and presenting at the upcoming Energy Efficiency Expo, held at the Melbourne Convention and Exhibition Centre on October 23 -24. While at the expo delegates can drop into our stand (G118) to learn more about our product offerings including, Smart Power Quality Systems, Power Factor Correction, Voltage Optimisation, our range of […]
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Voltage optimisation and voltage stability ensures consistent and optimal electrical supply to an organisation’s premises, and results in a range of cost saving benefits. With supermarkets typically consuming the majority of their energy in their retail operations through refrigeration and air conditioning, Woolworths selected Captech to implement cost saving voltage optimisation measures by supplying 100 […]
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The earthing system plays an important role in an electrical network. For network operators and end users, avoiding damage to equipment and providing a safe operating environment for personnel and continuity of supply are major drivers behind implementing reliable fault mitigation schemes. A widely utilised approach to managing fault currents is the installation of neutral […]
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The mining industry is experiencing a growing number of applications of Variable Frequency Drives (VFD) to soft start and control motors driving shovels, draglines, hoists, conveyors, longwalls, mills, fans and pumps. However, it is often ignored that not all compliant AS2081:2011 earth leakage protection relays are suitable for installations involving VFDs. In AS2081:2011 it states that should a […]
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The application of Neutral Earthing Resistors (NER) is one of the most effective ways to maximise personnel safety (limits touch and step potentials) and to minimise mechanical and thermal damage to transformers, cables and equipment associated with earth faults. Neutral Earthing Resistors (NER) have applications in many industries including mining (a requirement under AS/NZS 2081:2011), […]
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Common Problems with Power Supplies Explained There are a number of problems which may occur with the incoming power supply to a site. These problems cause voltage and current instability which can have a significant impact on equipment operation and power usage. Voltage stability refers to the ability of a power system to maintain steady […]
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On Friday (April 1), the New South Wales Office of Environment and Heritage (OEH) launched its much anticipated Voltage Optimisation Guide and Factsheet. Commissioned by OEH, the guide provides information to: Understand the basics of voltage optimisation Understand the potential benefits and impacts of voltage optimisation; and Provide a clear and simple decision making framework to […]
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Investing in the likes of Voltage Optimisation and Power Factor Correction can be a win for both the short term financial health of your business, and the long term view to cost reduction and environmental sustainability. Normally a business will budget to invest its capital in an energy saving Voltage Optimisation or PFC project. Sometimes […]
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Issues surrounding escalating production costs, energy efficiency and a trend towards kVA based maximum demand charges are driving mining companies to re-think how they optimise their electricity supply and distribution infrastructure. Often located at the end of the grid and characterised by heavy start up loads, mine sites are particularly susceptible to power quality issues. […]
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Perisher Blue Ski Resort was experiencing problems with their Village 8 Express Chairlift. The ski lift lighting circuits were tripping frequently, leaving night-skiers in the dark for up to 10 minutes at a time while the lights cooled and power was restored. This was causing inconvenience for night-skiers as well as creating potential hazards. What […]
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