Recent Advances in Electrical & Electronic Engineering - Volume 16, Issue 4, 2023

Nowadays, the wind energy running cost is the cheapest renewable electrical energy. This study describes different static power converters for a doubly fed induction generator that are based on power quality solutions (DFIG). The latest isolated & grid-connected converter employed like AC-DC-AC bidirectional converter is used for active and reactive power compensation, without dc-link AC-AC converter for voltage swell and Read More

This paper focuses on better understanding the Indian Electric Vehicle (EV) market scenario based on battery and motor specifications. Electric two-wheelers, three-wheelers, and fourwheelers have different challenges and requirements at the efficient design level. This paper also provides a comprehensive review of brushed DC motors, brushless DC (BLDC) motors, permanent magnet synchronous motors (PMSM), induction Read More

Background: Due to their superior efficiency, stability, and ability to produce maximum power under various typical operating situations, wind turbines driving doubly fed induction generator systems are frequently utilized in wind power extraction. These systems face stability problems especially at severe faulty conditions. Objective: To protect the rotating parts of the system from over speeding when the fault occurs an Read More

Introduction: Advanced low-power designs have been scaled down to the device parameters that increase single-event multi-node upset in memory elements. This degradation of the stability of the memory elements in aerospace applications is due to the high radiation environment and rapid temperature changes. Methods: Hence, this paper presents a comprehensive treatment model for hardened storage elements with a so Read More

As the current calculation method of voltage/var sensitivity (VVS) could not reflect the temporal variations of power sources and load, the paper proposes a novel VVS calculation method to partition the distribution network containing renewable energy. Firstly, the defects of the existing VVS calculation methods are analyzed, and a novel VVS calculation method is proposed by adding reactive power output perturbation to the Read More

Background: Vehicles have become one of the most important means of transportation, and license plate is the only identifying mark of vehicles. License plate recognition technologies are being applied to a series of occasions, such as supervising road traffic violations, recovering stolen vehicles, monitoring wanted vehicles, and dispatching special vehicles. The license plate tilt phenomenon caused by various reasons has Read More

Background: Coordinate Rotation Digital Computer (CORDIC) can be used for computing trigonometric functions like sine and cosine for which it iterates over a for loop and performs rotation of the input angle. Methods: On the basis of the condition, it decides addition and subtraction operations to compute the sine and cosine values. In general, for each iteration in the CORDIC algorithm, it produces 1 extra bit of accu Read More

Background: Oil-immersed distribution transformer is an important power transmission and distribution equipment in the power system. If it fails, it will cause huge economic losses and safety hazards. It is of great significance to identify and diagnose its faults, find potential faults in time, and restore normal operation. Objective: To detect transformer fault, a transformer fault diagnosis method based on Graph Markov Neural N Read More

Background: The era of flexible antennas started long ago because they are cost-effective while offering several advantages, such as good flexibility, stretchability, and compactness. Although several synthetic and natural polymers with good flexibility are available, the first flexible antenna is designed with polyimide materials (polymers), often known as engineering plastics. Objective: To fabricate a compact antenn Read More

Background: The on-board test system is the key technology of in-wheel motor electric vehicles, which plays a vital role in the safety of the driver and the efficient operation of the vehicle. Methods: Based on the requirements of the current in-wheel motor electric vehicle experiment teaching content, this research develops an in-wheel motor electric vehicle experimental teaching platform based on Matlab/Simulink and LabVIE Read More

Background: Recently, the construction of a smart city has accelerated due to developing technologies such as 5G and the Internet of things (IoT). The IoT is gaining access day by day in the area of the remote monitoring system. Along with smart city concepts, intelligent patient monitoring systems and intelligent health are being developed. Combining the two, here, patients have a nurse navigation system and a doctor em Read More

Background: Devices with field plates have gained much popularity in high power and high voltage applications. The work done in this paper is related to designing and studying the different DC and RF characteristics of a field plated GaN HEMT. The results obtained were compared with that of non-field plated GaN HEMT. This comparison and study reported the effect of field plate on device performance. Methods: A GaN HEM Read More