△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

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

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

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

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

7 Reasons Why You Should Get a Professional Engineer License
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7 Reasons Why You Should Get a Professional Engineer License

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

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

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

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

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

건물 배수펌프 자동제어 레벨스위치 이해 #시설관리 #전기실무 #기계실무
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건물 배수펌프 자동제어 레벨스위치 이해 #시설관리 #전기실무 #기계실무

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

KEC설비기준 25강- TN, TT , IT 접지계통 2
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KEC설비기준 25강- TN, TT , IT 접지계통 2

선간전압 vs 상전압⚡️380V vs 220V⚡️차단기와 분전반
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선간전압 vs 상전압⚡️380V vs 220V⚡️차단기와 분전반

Basics of Electricians 1. Supervision Work
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Basics of Electricians 1. Supervision Work

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

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

비상용발전기 점검(직무고시) 해보니 #시설관리 #전기안전관리자 #전기기사
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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 ...
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Transmission and Distribution Lecture 17-2 [121st, 1st Period] Explain the purpose and operating ...

Let me explain the operating principle of a transformer in simple terms.
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Let me explain the operating principle of a transformer in simple terms.