Managing heat dissipation, minimizing torque ripples, and attaining precise speed and position control against sensorless operating at low speeds are the main enhancements for Brushless Direct Current (BLDC) motor drives. This work addresses these …

The reverse distribution characteristics of energy distribution and load demand promote the formation of multiple large-scale power transmission systems. Under unexpected large disturbance, the first swing instability of the system will occur and …

There is high load density and multiple power supply demand of the urban power grids. Improving the emergency capacity of urban power grids in extreme condition can assist the quick recovery of the system, and guarantee continuous consumption of …

When the power device of the wind turbine yaw inverter experiences an open-circuit fault, the yaw system’s alignment with the wind will not be affected in the short term. Additionally, the encapsulated power devices are difficult to detect during …

In this day and age, the emphasis is placed on the efficiency and consumption of all electric devices. In the field of electric motor design, efficiency is one of the most important factors. An important design factor is the losses in …

This paper proposes a single-stage three-port isolated H-bridge inverter. Five operating modes and five switching equivalent circuits of the inverter are studied, and three H-bridge three-phase-shift modulation strategy and multi-loop energy …

In recent years, photovoltaic (PV) power generation has received increasing attention. However, uncertainties in PV power output-especially the random variations caused by cloud cover-make accurate short-term forecasting essential for efficient …

The existing optimization methods of memory machine (MM) with more variable parameters usually require two rounds of multi-objective genetic algorithm (MOGA) optimization, which greatly sacrifices the optimization efficiency. In response to this …

In recent years, the occurrence of natural disasters has significantly increased due to climate change and global warming. These disasters include very hot and prolonged summers, extremely cold winters with severe frosts, sudden and destructive …

Submodule DC voltage unbalancing is the main issue of modular multilevel converter (MMC). To rectify this issue, a modified middleware submodule based modular multilevel converter has been implemented which can reduce the even order ripples in the …

Currently, stray current (SC) has become a disaster for the operation of DC metro line. Although the high insulation of running rails in the whole line can suppress SC leakage, the economic cost of this solution is very high. In order to suppress …

To enhance the control performance of permanent magnet linear synchronous motor servo system, this paper proposes an adaptive fractional-order predefined performance control method. Initially, a prescribed performance function is designed without …

Increasing energy demand and the environmental and economic problems caused by using fossil fuels have led to difficulties in developing generation of conventional power plant-based networks. Nowadays, renewable energy production, with its …

As the world drifts away from the dominance of fossil fuel-fired generators which is in line with the Paris Agreement of net-zero carbon emission by 2050, many countries around the world have now intensified effort in achieving this clean energy …

In this paper, the storage battery and photovoltaic generator set are integrated into the combined cooling, heating, and power (CCHP) system to reduce its operating cost. Four scenarios with or without storage battery are investigated for the CCHP …

This paper presents a model-reference adaptive system (MRAS) speed estimator based on a quasi-proportional-resonant (QPR) controller to enhance the position and speed estimation accuracy of a permanent magnet synchronous machine (PMSM)-driven …

The proposed work described a new multiple delay signal cancellation (MDSC) control technique for power quality improvement including harmonic cancellation and power factor improvement for a three-phase self-excited induction generator …

This paper explores the complex interplay between energy curtailment and its potential to energize various sectors of society. Traditionally, energy curtailment, necessary to balance supply and demand, has been associated with negative …

In conventional finite-control-set model predictive control (FCS-MPC) for NPC-type grid-connected inverters, issues such as large output current harmonics and poor parameter robustness are prevalent. To address these challenges, this article …

In order to overcome the issues associated with excessive torque pulsation and prolonged dynamic time in switched reluctance motors (SRM) when utilizing traditional sliding mode control, a direct instantaneous torque control(DITC) method for …