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Seeking NETA 4 exam tips

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    Quote Originally Posted by Larry5443 View Post
    RX diagram is used to describe the operating/restraining region of a distance relay horizontal axis represent ??
    Nine 150 kvar capacitors (three phase) are connected in a delta . What is the size in kvar of this bank
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  2. #12
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    Quote Originally Posted by Larry5443 View Post
    Nine 150 kvar capacitors (three phase) are connected in a delta . What is the size in kvar of this bank
    As I remember more of them and get time I will post them ,I will tell you the right answer if you need help after you try on your own.
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    Quote Originally Posted by Larry5443 View Post
    As I remember more of them and get time I will post them ,I will tell you the right answer if you need help after you try on your own.
    Thanks so much Larry! I'm going to work on finding answers for these so we can submit them to the mods and hopefully get them added to the practice exams.
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    NETA 4

    Quote Originally Posted by Larry5443 View Post
    Nine 150 kvar capacitors (three phase) are connected in a delta . What is the size in kvar of this bank
    Thanks Larry!!!
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    NETA 4

    Quote Originally Posted by Larry5443 View Post
    Nine 150 kvar capacitors (three phase) are connected in a delta . What is the size in kvar of this bank
    Hi Larry, is the answer on this one 150Kvar assuming 3 150Kvar are in series and the 3 x 3 150Kvar are in parallel to form a delta bank?
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    Quote Originally Posted by Larry5443 View Post
    RX diagram is used to describe the operating/restraining region of a distance relay horizontal axis represent ??
    X axis = R (Resistance)
    Y axis = X (Reactance)
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    Quote Originally Posted by Larry5443 View Post
    An impedance relay with the MHO circle centered at the origin is said to be??
    Non-directional?
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    NETA 4

    question: A phase sequence relay is set at 6 amps with ABC rotation. What would the pickup of this relay be?
    a. ACB at 6 Amps
    b. 3 phase at 18 amps
    c. 2 phases at 20.83 Amps
    d. None of the above
    e. Not enough info
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    NETA 4 question

    What is NOT correct about synchronous motors?
    a. The excitation vs current curve is shaped like a V.
    b. They use a low starting voltage
    c. They use an Ammortisseur winding to start
    d. ?
    e. ?
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    Thanks for these questions Ruel, are they from your recent examination?
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