Engineer Boards

# Sthabik PE

Member

64

2 Neutral

• Rank
PE

## Previous Fields

• Engineering Field
Electrical
PE
• Discipline
Electrical

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1. ## Q 513, 530, 540

@Ahmed S. You can choose transformer 7.5 MVA as Sbase and do the calculation. You will get the same result.
2. ## October 2019 P.E. ELECTRICAL POWER

Board: JPEC Test taken from Tokyo, JPN.
3. ## October 2019 P.E. ELECTRICAL POWER

Finally passed. YEAH!! -Jpn
4. ## Free giveaway! - New Practice Exam for the PE by Electrical PE Review just released

Hi Zach, i tried too many times but still the same problem☹️
5. ## Free giveaway! - New Practice Exam for the PE by Electrical PE Review just released

Tried many times. Still invalid ☹️

Me too...
7. ## Free giveaway! - New Practice Exam for the PE by Electrical PE Review just released

Invalid Coupon Code for me as well.
8. ## Shorebook Q27

This question is for finding the condition where system stability is maintained after the fault. From equal angle criteria, for stability of system: area C = area B. Since network restores at 80deg and the power equations are not given we assume this as critical clearing angle. "Critical clearing angle states that If the fault is cleared before critical clearing angle (here 80deg), stability is maintained." So for fault clearing angle less that 80 deg; area C will be less than area B and still stability is maintained. Hence the condition is : area c <= area B; conv
9. ## Graffeo: Ind. Motor

can you try with wildi method as well plz.
10. ## Graffeo: Ind. Motor

From Wildi equation 15.8: For max power/torque; R2/S=IZ1I where R2= 0.3 Z1= r1+jx = 0.2+j(0.25+0.35) = 0.2+j0.6 = 0.632<71.6 deg Therfore, S=R2/IZ1I = 0.3/0.632 = 0.475
11. ## GLOVER SOLUTION MANUAL

You can find hand written pdf solution 3rd edition somewhere in the internet.
12. ## NEC - Capacitors with motors

@LyceeFruit @tpkjr2006 Thank you for your kind suggestion. I do have the 2017 version as well.
13. ## How Old are you?

I am 32 Passed FE 1st try Jan 2018 ( from JPN) Failed PE 1st try Oct 2018 PE 2nd try target on Oct 2019
14. ## Graffeo: Ind. Motor

Still waiting for someone to response on this.
15. ## Open Wye - Open Delta

Thank you Zach for the attachment, and happy to say that is what i followed. I believe Open wye must be the same approach like open delta that you have mentioned. I wonder if some one agree with my above answers so that i can know i am in right track .
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