Results 21 to 30 of about 445,466 (275)
Control of a Modular Multi-level Converter STATCOM for Low Voltage Ride-Through Condition [PDF]
, 2016 This paper presents a simulation study on the implementation of the Single Star Flying Capacitor Converter Modular Multi-level Cascaded Converter (MMCC-SSFCC) as a STATCOM operating under voltage sag condition.
Oghorada, OJK, Zhang, L
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A new family of diverse skin peptides from the microhylid frog genus phrynomantis [PDF]
, 2020 A wide range of frogs produce skin poisons composed of bioactive peptides for defence against pathogens, parasites and predators. While several frog families have been thoroughly screened for skin-secreted peptides, others, like the Microhylidae, have ...
Ballet, Steven +7 more
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Flexible control for power‐sharing in the CHB‐based SST under voltage unbalance conditions
IET Power Electronics, 2021 Solid‐state transformers (SSTs) have flexible capabilities to improve the power quality issues. These improvements impose disturbances into the SST converters that require proper control algorithms. In this paper, the problems of the unequal active power
Mehdi Babaei, Reza Ghandehari
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Journal of Modern Power Systems and Clean Energy, 2022 This paper presents a novel inter-cluster direct current (DC) capacitor voltage balancing control scheme for the single-star configured modular multilevel cascaded converter (MMCC)-based static synchronous compensator (STATCOM) under unbalanced grid ...
Oghenewvogaga Oghorada +4 more
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A multifunctional dynamic voltage restorer for power quality improvement [PDF]
, 2018 Power quality is a major concern in electrical power systems. The power quality disturbances such as sags, swells, harmonic distortion and other interruptions have an impact on the electrical devices and machines and in severe cases can cause serious ...
Dung, Vo Tien +2 more
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IEEE Access, 2021 In the sensorless control, high frequency (HF) rotating sinusoidal voltage injection method requires the position error compensation algorithms to eliminate the side effect of system delay.
Wenzhen Li +3 more
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Unbalanced and Reactive Load Compensation Using MMCC-Based SATCOMs With Third-Harmonic Injection [PDF]
, 2019 Modular multilevel cascaded converter-based STATCOMs are scalable to higher voltages without requiring a step-up transformer with multiple windings and can be realized using a low switching frequency, giving lower harmonic content and hence a reduced ...
Oghorada, OJK, Zhang, L
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Wide-Band Harmonic Impedance Measurement Device for Wind Grid Based on Cascaded H-Bridge Converter
Zhongguo dianli, 2022 In wind power generation, the coupling of the wind farm power pooling system with the grid may cause high frequency resonance problems and affect the power quality of the grid.
Yongjun YU +6 more
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Remote power control strategy based on virtual flux approach for the grid tied power converters [PDF]
, 2018 The control of active and reactive power for the Renewable Energy Sources (RES) based power plants are very important. The injection of active and reactive power to the grid is normally controlled at the Point of Common Connection (PCC) where this point ...
Candela García, José Ignacio +4 more
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Voltage Unbalance Compensation in Distribution Feeders Using Soft Open Points
Journal of Modern Power Systems and Clean Energy, 2022 Soft open points (SOPs) are power electronic devices that may replace conventional normally-open points in distribution networks. They can be used for active power flow control, reactive power compensation, fault isolation, and service restoration ...
Rui You, Xiaonan Lu
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