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    Vineetamishra's Avatar
    Vineetamishra Posts: 1, Reputation: 1
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    #1

    Aug 7, 2009, 09:44 PM
    How to reduce frequency error in Moving Iron Voltmeter ?
    Please explain above question with diagram.
    Newton1Law's Avatar
    Newton1Law Posts: 60, Reputation: 5
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    #2

    Aug 11, 2009, 06:50 AM
    This is an entire EE course, but here is a short answer:

    Assume a given value for the meter movements resistance and inductance. These will be shunted (parallelled) by a scaling resistor. In order to compensate for frequency, we would simply add a capaciotr in parallel with scaling resistor.

    This simple for a given frequency. If you are looking to address variable frequency ranges or harmonics, the network of additional impedances of course increases. Hope this helps.
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