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Advanced Capacitor Technology: Performance, Characteristics, and Applications

This seminar by Ved Prakash Nayak under Mr. Shyamalendu Mohanty presents an in-depth analysis of capacitors, focusing on their construction geometry, electrical properties, and performance metrics. It explores key factors such as dissipation factor, temperature effects, voltage influences, and aging processes, alongside the electrical characteristics of High-Temperature Polymer Capacitors (HTPC). The discussion also includes practical applications in various industries, from automotive to military sectors, while emphasizing the importance of robust connections for optimal capacitor performance.

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Advanced Capacitor Technology: Performance, Characteristics, and Applications

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  1. A TECHNICAL SEMINAR Presented by VED PRAKASH NAYAK EE200118008 Under the guidance of Mr. SHYAMALENDU MOHANTY

  2. INTRODUCTION • Geometry of construction • Equivalent ckt. of capacitor

  3. BASIC PROPERTIES • Electrical • Capacitance of capacitor • Dissipation factor • measure losses

  4. BASIC PROPERTIES • Temperature effect • Various transformation • at different temp.

  5. BASIC PROPERTIES • Voltage effects • Effect of voltage • Voltage coefficient of • capacitance

  6. BASIC PROPERTIES Frequency effects Varies with different dielectric Aging What is aging Aging cycle

  7. DISCUSSION AND RESULTS • Electrical characteristics of HTPC • Impedance vs. Frequency • Capacitance vs. Frequency • Phase angle vs. Frequency

  8. CAPACITOR PERFORMANCE • Frequency • Voltage Range

  9. CAPACITOR PERFORMANCE • Energy Density • Temperature Coefficient • Specific Power Density

  10. CAPACITOR PERFORMANCE • High Power Testing • Step to DevelopHTPC

  11. FEATURES • Improved Mechanical Constructions • Enhanced impregnation and oil circulation • Improved transient over voltage endurance • High inrush & discharge current withstanding capability

  12. FEATURES • Low Dielectric Loss • Corona ring design • Insulator Bushings

  13. APPLICATIONS • Automotive applications • Industrial application • Live-Line Indication • Electrostatic Spray Guns • DC Power Supplies

  14. CONCLUSION • Connections should be solid and large in proportion to the termination area • Capacitor electrical performance is similar to that of tantalum electrolytic capacitor • Finds applications in military, avionics, and wireless communications

  15. THANK U

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