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  1. #1
    Join Date
    Dec 2019
    Location
    UK - South
    Posts
    9
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    Compressor Inverters

    Looking for some advice / experience.

    Not used inverters much in the past.

    Designing a new domestic system to use a compressor with a VFD. Taking Danfoss, they offer compressors for variable speed at the following voltages:

    200-220V 3ph
    380-400V (415V) 3ph

    In the UK, taking our 220-240V 1ph supply, whats the best (most efficient) option to have the VFD convert to?
    And advice on a good VFD?

  2. #2
    Join Date
    Dec 2019
    Location
    UK - South
    Posts
    9
    Post Likes
    Thread Starter
    Just been reading some more online and found this, which suggests that i will need to have a output voltage the same as the input voltage and i will not find a VFD/Inverter >3kW ?

    "• Inverter manufacturers do not offer product for single-phase supplies in excess of 3kW to ensure
    compliance with European Power Quality Standards such as BSEN 61000-3-2:2006 and BS EN 61000-3-
    12:2005. For similar reasons inverter manufacturers do not offer product with an output voltage that is
    different to the supply voltage (e.g.: 240v input, 415v output).
    "

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