Electricity

A simplified and effective approach of PMU placement for large-scale distribution systems is presented in this paper. The proposed algorithm finds an optimal solution to placement problem by decomposition of network into two sub-networks. Since the problem size is reduced due to splitting into two stages. this decomposition reduces the …

The paper introduced a novel. 1 phase stator Ferrite PM small motor &amp. drive in order to reduce fabrication and initial motor cost and simplify the inverter control The novel motor has only two stator coils where the PM flux switches polarity in a doubly salient topology with 4 rotor …

In this paper. a Smart Parking System (SPS) based on the integration of Ultra-High Frequency (UHF) Radio Frequency Identification (RFID) and IEEE 802.15.4 Wireless Sensor Network (WSN) technologies is presented. The system is able to collect information about the occupancy state of parking spaces. and to direct drivers to the …

Using a criterion based on the damping ratio. an optimization algorithm was successfully applied to establish the optimal coordination between PSSs and UPFC-based stabilizer using Genetic Algorithm (GA). A multi-objective function was utilized to formulate the problem. whose solution aims to maximize the damping ratios of the electromechanical modes using …

Optimal capacity of a large-scale BESS integrated with a grid-connected wind farm has been determined. It has been shown that the optimal size of all the batteries of the BESS decreases as the number of batteries increases. Furthermore. the optimal size of all the batteries of the BESS tends to …

23-million-euro investment by China and Germany for construction of a power plant in Mazandaran.

That the global energy system is not sustainable is clearly demonstrated by increasingly scarce resources. frequently unstable energy supplies. and climate change.

The Teager-Kaiser energy operator (TKO) belongs to a class of autocorrelators and their linear combination that can track the instantaneous energy of a nonstationary sinusoidal signal source. TKO-based monocomponent AM-FM demodulation algorithms work under the basic assumption that the operator outputs are always positive. In the absence of noise. this …

A new MFM-BDRM is proposed. solving the contradictory problem of the electromagnetic performance and the mechanical strength of MFM rotor in the traditional MFMBDRM. The proposed one has advantages of highly sinusoidal back EMF and low torque ripple. The maximum torque can be obtained when the optimal span ratio is …

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 …