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  • Users: ubern
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  1. ubern

    Understanding a Wattmeter

    We have a Wattmeter that uses the Hall effect to take the instantaneous value of voltage and current and sends it to a DC meter. What im wondering is if this is actually reading KW or just a close approximation. P = 3^.5 * I * V * pf. So if we have 2 generators in parallel and adjust the...
  2. ubern

    Understanding reverse power relay

    I am trying to understand the reverse power relays to our steam driven generators. This is a discription of the device from the book: "Potential signal flows through the top coil over a rotatable disc and transformer action induces a circulating current in the disc. Current signal flows...

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