DC electric power distribution systems have higher efficiency. better current carrying capacity and faster response when compared to conventional AC systems. They also provide a more natural interface with many types of renewable energy sources. Furthermore. there are fewer issues with reactive power flow. power quality and frequency regulation. resulting …
Read More »Coordinated Day-Ahead Reactive Power Dispatch in Distribution Network Based on Real Power Forecast Errors
By considering real power forecast of DGs. reactive power ranges are better determined and used for day-ahead reactive power dispatch of distribution networks. In particular. errors of real power forecast have been used to estimate probability distribution of reactive power outputs available for achieving optimal power flow and reducing network …
Read More »Single-stage fully recycling folded cascode OTA for switched-capacitor circuits
The operational transconductance amplifier (OTA) is a basic building block used in many analogue and mixed-mode circuits such as analogue-to-digital (A D) converters and switched-capacitor filters that require fast settling and precise amplifiers [1]. Recently. the folded cascode (FC) amplifier has gained preference over the telescopic owing to the low …
Read More »Design of Schmitt Trigger Logic Gates Using DTMOS for Enhanced Electromagnetic Immunity of Subthreshold Circuits
As the supply voltage of a circuit decreases. noise immunity becomes more important to guarantee signal integrity. This paper presents a method of improving noise immunity applicable to subthreshold circuits. The traditional method for immunity enhancement is to use a Schmitt trigger. which requires an additional current path to adjust …
Read More »Applying Internet of Things for Personalized Healthcare in Smart Homes
In a nutshell. the paper advocates for applying IoT architecture in providing smarter. connected and personalized healthcare solutions in smart homes. Their requirements for such healthcare services are analyzed and are translated into a functional architecture. Its components are mapped onto physical infrastructure. The components are described and their novel …
Read More »Optimal Energy Management of Greenhouses in Smart Grids
A hierarchical control approach was proposed for optimal operation of greenhouses in the context of smart grids. which includes novel mathematical models for the optimal operation scheduling of greenhouse’ electricity. gas. and heat systems. Thus. optimization models were formulated to optimally operate supplementary lighting. CO2 generation. air circulation and ventilation. …
Read More »Mathematical Model Development for Faults Simulation in Current-source PWM Inverters
The paper presents the mathematical model development for simulation of common faults in a currentsource PWM inverter. This approach embeds into a single simulation module both the unfaulty or faulty states of this type of power electronic converter. The proposed model has been validated then via computer simulations. The introduced …
Read More »Performance of Agro-Sensors: Assessment of Optimality in Routing Protocols of MANET in Wireless Sensor Networks
Comparison of three major routing protocols in a MANET of sensor network shows that in terms of end to end delay. network load and throughput AODV performs better than other two. In other sense. reactive routing protocols performs better than proactive routing protocols. As. AODV routing protocol is suited for …
Read More »Development of Indicator Based on Oil Analysis for Estimating Risk Level of Power Transformers
Survey of the literature allows concluding that each power system has to develop its own individual strategy for power transformer risk assessment and development of risk matrix is a common global practice.To determine numerical values of the indicator based on oil analysis combined approach of binary and fuzzy logic proved …
Read More »An Initial Acquisition Scheme for Walsh-Hadamard Code Division Multiplexing
The paper has investigated the derivation. features and characteristics of passive sentences in JA. After exposing the structure of passivization in JA to the claim of the Minimalist Program. it has been found that a lot of its aspects can be straightforwardly accounted for in the light of feature-checking and …
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