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Specialists in DIESEL GENERATORS & independent energy solutions

The characteristics of AC power

Mostly, when we use electricity we get it from the mains grid.  We usually want our independent energy solution to provide us with electricity that has the same characteristics as the mains electricity, so that we can use appliances that are designed to run from the mains.  In Australia, that’s alternating current (AC), at 240 Volts and 50 Hertz.

The two most important characteristics of an AC electricity supply are its voltage and frequency.  Some appliances won’t work well if the voltage or frequency is not accurately controlled, and some appliances will be damaged if these characteristics are too far from their correct values.  For instance, the speed of an electric motor is directly related to the frequency of its electricity supply, so if the frequency is wrong the motor will turn at the wrong speed, and may not perform its task properly.  If the voltage is too low the motor may not be able to start, and will over-heat and fail.

Another important characteristic of an AC electricity supply is the smoothness with which the alternating current swings back and forth; this is called the waveform.  Some appliances, particularly electronic appliances such as DVD players and computers, can be damaged by a poor waveform.  The best waveform is called a sine wave, which looks like this:

These characteristics of the AC electricity supply partly define the quality of an independent energy solution, and must be carefully considered when choosing one.


  • AC Diesel Generators

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    At Eniquest we provide Australian built AC Diesel Generators built tough for all applications. Eniquest AC generators are engineered using Australian military technology to ensure you have the best generator for the job. 

  • DC Diesel Generators

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    At Eniquest we provide Australian built DC Diesel Generators suited built tough for all applications. Click here to find you Australian manufactured DC Diesel Generator. 

  • Telecommunications

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    Eniquest has Australian Manufactured AC and DC generators built specifically for telecommunications. With Eniquest you can ensure you have reliable power 24/7 no matter where you are. Click here to find you Australian manufactured Diesel Generator.

  • Military

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    At Eniquest we provide Diesel Generators and In-Service Spares to the Military for all power production applications. We understand the need for reliable, accessible military spec equipment and parts that you can depend on.