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Calculators.

Useful Electrical Engineering Calculators

Who is EPA?

Electrical Projects Australia (EPA) is one of the most recognised electrical design companies in Australia.

Operating from our Sydney and Newcastle offices, our Electrical Engineers and Hazardous Area Classifiers have been serving the international market for almost 30 years.

Specialising in the provision of Electrical Engineering, PLC and SCADA Programming, Arc Flash Analysis and Hazardous Area Classification services to theCommercial Building, Public Building, Public Infrastructure, Alternate Power Generation, Mining, Cotton, Grain Handling, and general industrial markets.

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Transformer Fault Current Calculator
Calculator

This calculation is based on the infinite source method at the primary of the transformer, the following calculates the fault current at the transformer secondary terminals.

Minimum Earth Cable Sizing Calculation
Calculator

The minimum cross-sectional area determined by calculation shall be not less than the value determined by the following equation (applicable only for disconnection times not less than 0.1 s but not exceeding 5 s).

Try out our Australian lighting level look up software. Just input the facility type and any sub-categories as necessary. The software will then output the minimum lighting level necessary and maximum power density as per Australian Standards and the NCC 2015.

If you like this software you can now download it free on your iphone and ipad.

Australian Standard Lighting Levels
Calculator

Use this software to find the compliant lighting levels and the maximum watts per square meter for your project. The values are based off the as1680 series and the national construction code 2015.

Try out our Australian lighting level look up software. Just input the type of public space and any sub-categories as necessary. The software will then output the minimum lighting level necessary and permissible luminaire types as per Australian Standards AS/NZS 1158.3.1.

Australian Standard Lighting Levels for Roads and Public Spaces
Calculator

Use this software to find the compliant lighting levels for roads and public spaces. The values are based off the as 1158 series.

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