Design of a High Linearity FourQuadrant Analog Multiplier in Wideband Frequency Range 1180 Views
In this paper, a voltage mode four quadrant analog multiplier in the wideband frequency rangeis designed using a wideband operational amplifier (OPAMP) and squaring circuits.

Design of Wireless Biotelemetry Powering System for Implanted Sensing Devices in Human Body 1156 Views
In this paper, a wireless power transfer system is used to power the implanted sensors near the skin of the human body.

Linearizing of Low Noise Power Amplifier Using 5.8GHz Double Loop Feedforward Linearization Technique 1080 Views
In this paper, a double loop feedforward linearization technique is analyzed and built with a MMIC low noise amplifier “HMC753” as main amplifier and a twostage classA power amplifier as error amplifier. The system is operated with 5V DC supply at a center frequency of 5.8GHz and a bandwidth of 500MHz.

Design of a Linear Synchronous Reactor using a DC Voltage Controlled Statcom 1088 Views
In this paper, a singlephase linearly and continuously controlled synchronous reactor is presented. It is a harmonicfree singlephase statcom. The statcom is constructed of a full bridge voltage source inverter shunted by a DC capacitor and absorbs reactive power from the AC supply through a somewhat small series reactor.

Design of a High Linearity 6GHz ClassF Radio Frequency Power Amplifie 1089 Views
In this study, a high linearity classF RF power amplifier is introduced. It is designed to operate at a frequency of 6 GHz with a bandwidth of 400MHz. The amplifier mixes between the characteristics of conventional switch mode classF and class B amplifiers.

Automatic Power Factor Correction Using a HarmonicSuppressed TCR Equipped with a New Adaptive Current Controller 1064 Views
In this paper, a new continuously and linearly controlled capacitive static VAR compensator is proposed for the automatic power factor correction of inductive single phase loads in 220V 50Hz power system networks. The compensator is constructed of a harmonicsuppressed TCR equipped with a new adaptive current controller.

Design of an Almost Harmonicfree TCR 1026 Views
In this study, the traditional thyristor controlled reactor is conditioned to be an almost harmonicfree inductive static Var compensator. The proposed configuration is constructed of a traditional TCR shunted by a parallel resonance circuit and the parallel combination is connected in series to a series resonance circuit.

Design of a ThreePhase StatcomBased Inductive Static VAR Compensator Using DC Capacitor Voltage Control Scheme 989 Views
In this study, a threephase continuously controlled harmonicfree inductive static VAR compensator is presented. The compensator is built of a threephase voltage source inverter based statcom.

Design of a StatcomBased HarmonicFree Static VAR Compensator for Load Balancing Purposes 893 Views
In this paper, a bipolar (capacitive and inductive) static VAR compensator is built on the basis of statcom fundamentals. The designed compensator exchanges wide range of pure reactive power with the ac supply without significance of real power contribution.

Design of a Threephase Voltage Regulator Equipped with Voltage Balancing Technique 925 Views
This paper presents a controlling strategy based on the addition of three reactive Tsection circuitries connected in series with a starconnected 3phase load impedance.

Design of an almost continuously controlled threephase static VAR compensator for power factor correction purposes 755 Views
In this paper, a threephase fourwire automatic power factor correction system is designed and tested. This system employs threephase Wyeconnected thyristor switchedcapacitor banks to generate a controllable static VAR. Each capacitor bank is constructed of five binary weighted thyristor switchedcapacitors.

Design of a continuously controlled inductive static VAR compensator using a single phase statcom with adjustable capacitor voltage and new control scheme 712 Views
In this paper, an inductive single phase statcom built of a singlephase ACto DC converter is presented. The DC voltage of the statcom capacitor can be adjusted such that a constant amplitude inductive current can be drawn from the statcom with short transient time.

Design and Implementation of an Adaptive Electronic Speed Governor 587 Views
In this paper the role of the speed governor and some of its techniques are reviewed. The adopted governor is an electronic speed governor based mainly on analogue computations.

InsulatedGate Bipolar Transistor Controlled Reactor 598 Views
In this paper a controlled reactor using insulatedgate bipolar transistor (IGBT) is presented. Controlled reactors are usually implemented by using thyristors since the mid1970’s and they are usually referred to as thyristorcontrolled reactors.

Automatic Power Factor Correction Using a modified Statcom as a Continuously Controlled Capacitive Static VAR Compensator 570 Views
In this paper an automatic power factor correction system based on a new vision to statcom concept is presented. The reactive component of the load current is supplied by a statcom built of a haltbridge voltage source inverter feeding a reactor and shunted by two dc capacitors.

Design of a Continuously Controlled Linear Static Var Compensator for Load Balancing and Power Factor Correction Purposes 483 Views
In this paper a new configuration of static Var compensator is presented. The configuration is a parallel combination of a binary thyristor switchedcapacitor bank (BTSCB), a binary thyristor switchedreactor bank (BTSRB), and a thyristor controlled reactor (TCR). This compensator is capable of responding equally to both capacitive and inductive reactive current or reactive power demands for load balancing and power factor correction purposes.

Harmonics Reduction of Thyristor Controlled Reactor with Minimal No Load Operating Losses 503 Views
In this paper a new approach of thyristor controlled reactor (TCR) harmonics treatment is presented. The design methodology of this approach is based on suppressing the TCR harmonic current components by inserting a series LC circuit between the ac source and the parallel combination of TCR and filtering circuit.

Design of a 31Level SinglePhase Voltagesource Inverter Producing almost Sinusoidal Voltage Waveform 473 Views
In this paper a singlephase voltagesource inverter of 31 nonzero levels is designed. These levels follow a sinusoidal path and are constructed by using only five dc voltage sources instead of thirtyone as traditionally employed in multilevel technology of voltagesource inverters.

Design of a Threephase Inverter for Variable AC Drive Purposes using a Pulse Width Modulation Based on a New Strategy 497 Views
In this paper, a pulse width modulation (PWM) technique based on a new strategy is presented first. A threephase voltagesource inverter based on this technique is then designed for variable AC drive purposes.

Design of an Optimally SelfProtected Medium Frequency Power Supply for Induction Heating Purposes 489 Views
In this paper, the basic elements of the induction heating process are reviewed. The expected risks accompanying the power supplies when they are operated with inductioninductors are stated and a remedial solution is presented.

Single Phase Voltage Control Using Switched InductorSwitched Capacitor Variable Susceptance 482 Views
Almost smooth phase voltage control with real time is adopted here. The basic controlling parameter is a pure capacitive or inductive susceptance.

Design of an Asynchronous Frequency Multiplier for Two Sinusoidal Signals 444 Views
In this paper the conventional frequency multipliers are reviewed and a new technique is adopted.

A new design of an Electronic Protector for Single Phase Electrical Equipments 419 Views
This protector is designed of simple and discrete electronic devices without using any transformer.

Design of a High Linearity 6GHz ClassF Radio Frequency Power Amplifier 499 Views
The amplifier mixes between the characteristics of conventional switch mode class F and class B amplifiers
