3 PHASE TRANSFORMER

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About Course

3 PHASE TRANSFORMER

Electromagnetic forces interact with electrically charged particles and electromagnetic fields; this course will study how these forces lead to voltage & current transformation. Ratios and polarity are also studied leading to the introduction of potential transformers & current transformers, and their use in conjunction with the relevant instruments such as ammeters, voltmeters, wattmeters, and energy meters.

Transformer core construction along with losses & cooling mitigation techniques. 3 phase transformer configurations are studied along with harmonic distortion, CT saturation, and on-load tap-changer problems and how these problems are dealt with. Over-current and restraint differential transformer protection is developed along with a look at some examples of ” Old School relays” as well as modern IDE (intelligent Electrical Devices) relays.

Transformer Connections: (Y – Y; Delta – Delta; Y – Delta; Delta – Y & Y – Zag Zig) are examined along with Transformer Clock System Vector Nomenclature.

Oil Analysis and the Buchholz Relay are also studied.

Who this course is for:

  1. Engineers; Technologists; Technicians; Electricians; Managers; Supervisors; Superintendents; Electrical Students
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What Will You Learn?

  • Electromagnetism, Voltage & Current Transformation, Ratios and Polarity, Potential & Current Transformers, 3 Phase Transformers Construction, Transformer Classifications, Losses & Cooling, Per Unit Equivalent Circuits, 3rd Harmonic Currents problems, Tertiary Windings, The Buchholz Relay, Oil Analysis, Transformer Connections: Y – Y, Delta - Delta, Y - Delta, Y - Zig-Zag, Transformer Over-Current Protection, Transformer Differential Protection, Relays old and new

Course Content

3 PHASE TRANSFORMER

  • 3 PHASE TRANSFORMER #1 – 3 PHASE BASICS
    00:00
  • 3 PHASE TRANSFORMER #16 – STAR – ZIGZAG STAR CONNECTION ( PART 2 )
    00:00
  • 3 PHASE TRANSFORMER #15 – STAR – ZIGZAG STAR CONNECTION ( PART 1 )
    00:00
  • 3 PHASE TRANSFORMER #14 – DELTA – ZIGZAG STAR CONNECTION ( PART 2 )
    00:00
  • 3 PHASE TRANSFORMER #13 – DELTA – ZIGZAG STAR CONNECTION ( PART 1 )
    00:00
  • 3 PHASE TRANSFORMER #12 – DELTA – DELTA CONNECTION
    00:00
  • 3 PHASE TRANSFORMER #11 – DELTA – STAR CONNECTION
    00:00
  • 3 PHASE TRANSFORMER #10 – STAR – DELTA CONNECTION ( part 2 )
    00:00
  • 3 PHASE TRANSFORMER #9 – STAR – DELTA CONNECTION ( part 1 )
    00:00
  • 3 PHASE TRANSFORMER #8 – STAR – STAR CONNECTION
    00:00
  • 3 PHASE TRANSFORMER #7 – HARMONICS – PART3 – The Floating/Oscillating Neutral
    00:00
  • 3 PHASE TRANSFORMER #6 – HARMONICS – PART 2 – 3rd 5th and 7th Harmonics
    00:00
  • 3 PHASE TRANSFORMER #5 – HARMONICS – PART 1 – BASICS
    00:00
  • 3 PHASE TRANSFORMER #4 – Single Unit 3 Phase Transformer
    00:00
  • 3 PHASE TRANSFORMER #3 – WRONG STAR STAR CONNECTION
    00:00
  • 3 PHASE TRANSFORMER #2 – 3 PHASE CONNECTIONS BASICS
    00:00
  • 3 PHASE TRANSFORMER #17 – Comparison of Different Transformer Connections
    00:00

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