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# NETA level 4 recommended study tips

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1. Junior Member
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## NETA 4

Originally Posted by Larry5443
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

Originally Posted by Larry5443
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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Originally Posted by Larry5443
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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Originally Posted by Larry5443
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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## NETA 4

Originally Posted by veracon0700
Thanks for these questions Ruel, are they from your recent examination?
NO. this is the first time ill take the NETA 4. It came from my co-worker who just pass the exam last july.

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## KVARS

Originally Posted by ruel guanzon
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?

150 X 9 = 1350 KVAR it does not matter if they are delta or wye connected. This question is in the electrical PE exam.
Last edited by sepulveda7000; January 29, 2015 at 12:31 PM.

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## Took the NETA Level 4 today

I took the NETA 4 today. there are absolutely zero questions from this NETA 4 study guide that are on the actual test (at least the version i took). there are variations of the 4 just as there are of 2 and 3. I only had about 3 level 3 questions on the test. the remaining questions were challenging.

Several distance relaying questions, several KWH standard questions, a few breaker tripping scenario questions, and a lot of power calculations. I also ran into several rotating machinery questions. A lot of these were very difficult for me as i am not well versed on the construction of older motors.

Study all aspects of the topics listed above if you are scheduled to take this test.

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