hi this is preethi studying 8th semester BE in SEA college if engg and technology... am interested in presenting a technical seminar on ZERO KNOWLEDGE PROTOCOL... please help me by guiding about this topic and upload seminar ppt and seminar report as soon as possible.. I request YOu to do this at the earlist Thank You.. ....etc

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Abstract
A new zero-voltage-switching (ZVS) control approachis presented for pulsewidth modulation (PWM) buck convertersunder discontinuous conduction mode (DCM)/continuousconduction mode (CCM) boundary. This proposed technique compensatesfor control circuit delay, and hence, turns on power MOSat the instant exactly when drain-to-source voltage becomes zero.No complicated timing calculation circuits or additional externalcomponents are required. This proposed integrated ZVS controlcan be applied to other dc–dc converters as well. The ....etc

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A High Input Voltage Three-Phase ZVZCS DC-DC Converter with Vin /3 Voltage Stress on Primary Switches
Abstract
A high-voltage three-phase ZVZCS dc-dc converterwith low voltage stress is presented in this paper. The voltagestress on the primary switches is only one-third of the inputvoltage. By using the phase shift pulsewidth modulation (PWM)and secondary snubber, four of the six primary switches areoperating with zero-voltage switching (ZVS) and two of them areoperating with zero-current switching (ZCS), in order to reducethe switch ....etc

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ZERO VOLTAGE SWITCH


A zero voltage switch (ZVS) DC link, single-phase, pulse width-modulated
voltage source inverter (VSI) is proposed. Operating principle and various operating
intervals of the converter are presented and analyzed. Design consideration is
discussed and a design example of experimental results from a laboratory model is
also presented.
In proposed ZVS DC page link technique, the switch voltage is clamped to the dc
link voltage and PWM scheme can be used to contr ....etc

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A Soft-Switching DC/DC Converter With High Voltage Gain


I. INTRODUCTION
RECENTLY, the demand for dc/dc converters with high
voltage gain has increased. The energy shortage and the
atmosphere pollution have led to more researches on the renewable
and green energy sources such as the solar arrays and the
fuel cells –. Moreover, the power systems based on battery
sources and supercapacitors have been increased. Unfortunately,
the output volt ....etc

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SOME GROUP BASED AUTHENTICATION PROTOCOLS AND ZERO
KNOWLEDGE PROOFS
Presented By:
Brijesh Kumar Chaurasia
Computer Science and Engineering Department, IITM, India


ABSTRACT
A Group Signature schemes as a digital signature
scheme comprises the following:
Today incerasing number of applications demand a
committed bandwidth and high speed for their
transmission but still there is already an urgent need of
secure data transmission . My paper simply define the
group signature and zero knowledge proofs ....etc

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Introduction
The zero-cross family of optically isolated triac drivers is an inexpensive, simple and effective solution for interface applications between low current dc control circuits such as logic gates and microprocessors and ac power loads (120, 240 or 380 volt, single or 3-phase). These devices provide sufficient gate trigger current for high current, high voltage thyristors, while providing a guaranteed 7.5 kV dielectric withstand voltage between the line and the control circultry. An integrated, ze ....etc

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project report on wireless sensor network security model using zero ....etc

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i want to know the circuit diagram for zero voltage switching resonant dc page link inverter using auxilary boost converter and also the logic to turn on the switches.please help me finding the solution ....etc

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AIM:

Aim Of the Project Is Get the Energy From non conventional Energy Source To Convert 400v 3phase Energy. Using 3phase Zv ZC Switching Dc-Dc Convert For Fuel Cell Application.

ABSTRACT:
In spite of having many advantages, such as low
switch voltage and easy implementation, the voltage-fed dc–dc
converter has been suffering from problems associated with large transformer leakage inductance due to high transformer turn ratio when it is applied to low-voltage, ....etc

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