△결선에서 지락사고시 대지전압상승 메카니즘 설명 -최상균기술사
This is the lecture space of Professional Engineer in Power Transmission and Distribution, Choi Sang-gyun. Enroll in the Professional Engineer in Power Transmission and Distribution course: https://www.airklass.com/page/565 Lecture materials are available for download after signing up for membership. #ProfessionalEngineerInElectrical #DeltaConnection #△Connection #GroundVoltage #LineVoltage #PhaseVoltage #Ungrounded #FireSafetyEngineer #ProfessionalEngineerInPowerTransmissionAndDistribution #ElectricalEngineer #ChoiSanggyun #Electric

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The Real Reason Why 3-Phase 4-Wire Y-Connection Was Needed? - Professional Engineer Choi Sang-gyun

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Solving the 1st Session Problems of the 139th Professional Engineer Examination for Power Transmi...

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전력 오판 15년, 감춰진 청구서 : '개미지옥'이 된 발전소〈다큐 뉴스타파〉

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Professional Engineer Exam Prep: A Complete Guide to Suspension Insulator Dry Flashover Test Proc...

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7 Reasons Why You Should Get a Professional Engineer License

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The voltage drop and phase angle (load angle) of the transmission line are calculated using dampi...

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Determination of Requirement for Earth Leakage Circuit Breaker Application - Professional Enginee...

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Method for determining the radius of conductors (stranded wires) for voltage drop, inductance, ca...

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Mastering the Newton-Raphson Method for Power System Analysis: Practical Calculations

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Calculate characteristic impedance and calculate voltage drop and load angle using propagation co...

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건물 배수펌프 자동제어 레벨스위치 이해 #시설관리 #전기실무 #기계실무

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Calculating L, C, and the inductance and ground capacitance of the three-wire and ground return c...

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KEC설비기준 25강- TN, TT , IT 접지계통 2

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선간전압 vs 상전압⚡️380V vs 220V⚡️차단기와 분전반

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Basics of Electricians 1. Supervision Work

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Can you calculate this unbalance factor? Challenge: Interpreting 3-Phase Line Currents!!

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대충 찍어도 인생샷 건지는 핸드폰 카메라 설정 (이강신 사진작가 2부)

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비상용발전기 점검(직무고시) 해보니 #시설관리 #전기안전관리자 #전기기사
![Transmission and Distribution Lecture 17-2 [121st, 1st Period] Explain the purpose and operating ...](https://i.ytimg.com/vi/dwBmO4MqL70/hqdefault.jpg?sqp=-oaymwEnCNACELwBSFryq4qpAxkIARUAAAAAGAElAADIQj0AgKJDeAG4AvMY&rs=AOn4CLAj4OGnmWKxVnmxMzxP15yrG0mNwg&usqp=CCY)
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Transmission and Distribution Lecture 17-2 [121st, 1st Period] Explain the purpose and operating ...

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