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Techanical Transformer Design Training

New Batch will going to starting from 9th January 2021 .               Register Now or call us M-8467024957,7838919111,7531923094               

Transformer Design Training Course

Technical Transformer Design (TTD) is made product and its engineering totally depends upon customer requirement. For each type of transformer detail design/ engineering is done. For the detail designing of the various type Transformer theoretical and software studies AEDEI offer many different software programs for different design calculations of TTD.

There is a continuous increase in ratings of generator transformers and auto transformers. Further, the ongoing trend to go for higher system voltages for transmission increases the voltage rating of transformers. The increase in current and voltage ratings calls for special design and manufacturing considerations.

Advanced computational techniques have to be used that should be backed up by experimental verification to ensure quality of design and manufacturing processes. Some of the vital design challenges are: stray loss control, accurate prediction of winding hot spots, short-circuit withstand capability and reliable insulation design. With the increase in MVA ratings, the weight and size of large transformers approach or exceed transport and manufacturing capability limits. Also, due to the ever-increasing competition in the global market, there are continual efforts to optimize the material content in transformers. Therefore, the difference between withstand levels (e.g. short circuit, dielectric) and corresponding operating stress levels is diminishing. Similarly, the guaranteed performance figures and actual test values are now very close. All these factors demand greater efforts from researchers and designers for accurate calculation of various stress levels and performance figures for the transformers. In addition, strict control of manufacturing processes is required. Manufacturing variations of components should be monitored and controlled.

Chapter- 1 Transformer Fundamentals

  • Applications and Types of Transformers
  • Principles and Equivalent Circuit of a Transformer
  • Representation of Transformer in Power System
  • Open-Circuit and Short-Circuit Tests
  • Voltage Regulation and Efficiency
  • Parallel Operation of Transformers

Chapter-2 : Magnetic Characteristics

  • Construction
  • Hysteresis and Eddy Losses
  • Excitation Characteristics
  • Over-Excitation Performance
  • No-Load Loss Test
  • Impact of Manufacturing Processes on Core Performance
  • Inrush Current
  • Influence of Core Construction and Winding
    Connections on No-Load Harmonic Phenomenon Transformer Noise

Chapter-3 Impedance

  • Reactance Calculation
  • Different Approaches for Reactance Calculation
  • Two-Dimensional Analytical Methods
  • Numerical Method for Reactance Calculation
  • Impedance Characteristics of Three-Winding Transformer
  • Reactance Calculation for Zigzag Transformer
  • Zero-Sequence Reactance Estimation
  • Stabilizing Tertiary Winding

Chapter-4 Eddy Currents and Winding Stray Losses

  • Field Equations
  • Pointing Vector
  • Eddy Current and Hysteresis Losses
  • Effect of Saturation
  • Eddy Loss in a Transformer Winding
  • Circulating Current Loss in Transformer Windings

Chapter-5 Stray Losses in Structural Components

  • Factors Influencing Stray Losses
  • Overview of Methods for Stray Loss Estimation
  • Core Edge Loss
  • Stray Loss in Frames
  • Stray Loss in Flitch Plates
  • Stray Loss in Tank
  • Stray Loss in Bushing Mounting Plates
  • Evaluation of Stray Loss Due to High Current Leads
  • Measures for Stray Loss Control
  • Methods for Experimental Verification
  • Estimation of Stray Losses in Over excitation Condition
  • Load Loss Measurement

Chapter-6 Short Circuit Stresses and Strength

  • Short Circuit Currents
  • Thermal Capability at Short Circuit
  • Short Circuit Forces
  • Dynamic Behavior Under Short Circuits
  • Failure Modes Due to Radial Forces
  • Failure Modes Due to Axial Forces
  • Effect of Pre-Stress
  • Short Circuit Test
  • Effect of Inrush Current
  • Split-Winding Transformers
  • Short Circuit Withstand
  • Calculation of Electrodynamic Force Between
  • Parallel Conductors
  • Design of Clamping Structures

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Duration: Two Months
Schedule : Monday to Friday

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Duration: Two Months

Schedule: Saturday and Sunday

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Duration:Three Months
Schedule: Sunday

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