【電験三種】法規 令和7年上期 問12　第𝟓 調波に対する計算方法の理解

This question asks for the magnitude of the fifth harmonic emitted from a harmonic source and the magnitude of the fifth harmonic flowing into the system from that source. This video explains practical concepts of harmonics in more detail than the website, so please watch until the end. The key to solving this problem is understanding how to calculate the 𝟓th harmonic. 0:00 Introduction & Profile and New Book Introduction 01:04 Problem 02:37 Quick Explanation 1. The relationship between voltage 𝑽 [𝐕] and current 𝑰 [𝐀] of resistors, coils, and capacitors 05:45 Quick Explanation 2. Calculating Harmonic Circuits 06:53 Answer and Explanation (a) 08:43 Answer and Explanation (b) 10:28 Summary --------------------------------------- ★Explanation from the Denken-ou website (Electrical Engineer Examination, Class 3, Regulations, 2025, First Half, Question 12) ※Reprint of Question 13 from the Electrical Engineer Examination, Class 3, Regulations, 2006 https://denken-ou.com/houkir7-1-12/ ☆Related Questions for the 5th Harmonic: Electrical Engineer Examination, Class 3, Regulations, 2020, Question 13 https://denken-ou.com/houkir2-13/ ★[E-Book Version of Denken-ou] Electrical Engineer Examination, Class 3, 4 Subjects Second half of 2020 edition Year order https://denken-ou-tanaoroshi.com/item... Sort by field https://denken-ou-tanaoroshi.com/item... Type 3 laws and regulations by subject Yearly order https://denken-ou-tanaoroshi.com/item... 1e746b22027a15e8 By subject: https://denken-ou-tanaoroshi.com/item... ★Download the trial version [E-book version of Denken-O] https://denken-ou-tanaoroshi.com/item... ★Click here for the paperback version Available on Amazon [E-book version of Denken-O] Electrical Engineering Examination, Grade 3, 4 Subjects, Second Half of 2025 Edition https://amzn.to/4nRHKru ★New Reference Book from a Collaboration between Electrical Engineering Academia and Denken-oh [Thermal Power Generation] Electrical Engineering Warrior Textbook - Denken Soldiers Spellbook - https://denkenia-archives.stores.jp/i... [DC Circuits] Electrical Engineering Warrior Textbook - Denken Soldiers Spellbook - https://denkenia-archives.stores.jp/i... --------------------------------------- #Electrical Engineering Examination, Grade 3 #Regulations #Past Exam Questions and Answers #Denken-oh #First Half of 2025 #Question 12 #Electrical Facilities Management #5th Harmonic