Power Electronics Experimental Cards
(EC104)
  • Line commutated converter cards (EC104.01.01)
    • Characteristics of Line-Commutated Converters circuits.
    • Characteristics of power diode, BJT, SCR, IGBT & Power MOSFET.
    • Implementing Single Phase Uncontrolled Rectifier.
    • Observing the operation of a Three-phase Uncontrolled Rectifier.
    • Effect of Smoothing Capacitor on Single phase and three phase uncontrolled rectifier.
    • Observe the operation of a single-phase fully controlled converter.
    • study the operation of a single-phase half-controlled converter.
    • investigate the operation of a three-phase fully controlled converter.
    • Experimenting with the operation mode of rectifying circuits feeding different loads.
    • Investigating single-phase and three-phase power controllers.
    • Fully controlled converter circuits M1C, M2C, M3, B2C, and B6C are being observed
    • for their control and operation characteristics.
    • Simplified Analysis of B2-Converter circuits.
    • Effect of source impedance on the performance of converters.
    • Investigates the implementation and the use of fast Fourier transform (FFT)
      Experimenting with the static phase converter circuits.
  • Self-Commutating Static Converters cards (EC104.01.02)
    • Exterminating Single-quadrant choppers with Resistive and Resistive-inductive loads.
    • Recording the control characteristic of Single-quadrant choppers.
    • Experimenting with control operations of Four-quadrant DC choppers.
    • Observance of output voltage and output current of four quadrant choppers feeding
    • Resistive-inductive load.
    • The effects of different clock frequencies on four quadrant choppers.
    • Investigating the DC and AC components of current and voltage.
    • Fundamental frequency control of AC converter.
    • Measurements of amplitude modulation OF AC converters.
    • Investigating AC converter’s phase control.
    • Measurements on block commutation.
    • Sinusoidal modulation of the output voltage using pulse width modulation (PWM).
    • Comparing the output current and output voltage of a three-phase power controller at various clock frequencies.
    • Computing the pulse control factor based on the signal characteristics.
    • Employing super-sine and trapezoidal modulation.
    • Analyze and determine the sequence of the base vector.
    • Observing the relationships between the line voltage and the phase voltage.Comparing between different methods of modulation.
  • Power Electronics Experimental Cards (EC104)
    • Power electronics cards (EC104.01)
      • Line commutated converter cards (EC104.01.01)
      • Self-Commutating Static Converters (EC104.01.02)
  • Hard copy user manual
  • Card holder (MMS103) With Advanced Computer Interface Base Unit with Built-in Power Supply (MMS100)
  • Card holder (MMS103) With Computer Interface Base Unit with Built-in Power Supply (MMS101)
  • Bench Power Supply Unit (MMS102) (Customer to provide oscilloscope, function generator, multimeter)

Power electronics are firmly established in modern life. It uses power semiconductors like diodes, thyristors, and power transistors. Power electronics is considered an important, comprehensive sub-field of electrical engineering. The tasks of power electronics are switching, controlling, and converting electrical energy with power semiconductors at the most favorable efficiency possible. This group is designed to allow the student to analyze, design, and operation of power electronic circuits. Emphasis on single-phase and three-phase power conversion, uncontrolled/controlled rectifiers, generation of variable DC and AC, three-phase power inverters, etc. allowing a clear layout of the experimental circuits.

Power electronics cards Code : (EC104.01)

  • Investigate semiconductor technologies to produce high-power devices.
  • Design and function of single-phase and three-phase rectifiers.
  • Understanding the concept of uncontrolled rectifiers, controlled rectifiers, and ac power controllers
  • Analysis and control of power electronic converters
  • Generating variable DC voltage using PWM.
  • Recording of control and operating characteristics.
  • Design of AC voltage controller and DC chopper.
  • Investigating single-quadrant and four-quadrant operating modes.
  • Experimenting with three-phase power inverters.
  • Learn block commutation, sinusoidal, super-sine, and space vector modulation for the generation of voltage- and frequency-variable voltage
  • Determining and understanding control response.
  • Observing the effect of operating frequency.
  • Differentiate between different modulation methods.
  • Learning FFT analysis of harmonics