Power quality improvement using microsystem technology for wind power plant

Molla, Emiyamrew Minaye; Liu, Chien-Hsun; Kuo, Cheng‐Chien

doi:10.1007/s00542-019-04726-3

Cited by 15 publications

(7 citation statements)

References 30 publications

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“…Electricity consumption is an important part of the entire power system. e friendly and interactive power consumption link is conducive to the entire power system to quickly grasp the dynamic changes of NEPG [16]. It is necessary to realize the CD of the power supply at the power generation end and the power grid at the transmission end in all aspects, so as to achieve the goal of ultimately achieving the overall CD of the power supply and the power grid.…”

Section: Introductionmentioning

confidence: 99%

Adaptive Control Strategy of Multiemergency Power Supply Network System Connected to New Energy

Zhang

Zhong

Minfu

et al. 2022

Security and Communication Networks

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In order to improve the adaptive control effect of the multiemergency power supply networking system connected to new energy (NE), this paper studies the adaptive control strategy (ACS) of the multiemergency power supply networking system connected to NE by combining intelligent algorithms and determines the appropriate installation node of the distributed power supply according to the voltage stability index. Moreover, this paper proposes a method to optimize the distribution network feeder reorganization and distributed power configuration problems based on the fireworks algorithm to reduce the network loss and improve the voltage distribution. In addition, distribution network reorganization and distributed power configuration optimization can more effectively minimize network losses and improve voltage distribution. Through the experimental research, it can be seen that the ACS of the multiemergency power supply network system connected to NE proposed in this paper has the established effect.

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Section: Introductionmentioning

confidence: 99%

Adaptive Control Strategy of Multiemergency Power Supply Network System Connected to New Energy

Zhang

Zhong

Minfu

et al. 2022

Security and Communication Networks

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“…The power output of wind turbine (P WT ) can be calculated using wind speed data and power curves prepared by wind turbine companies as shown in Fig. 1 and (1) [5], [31], [33]. The output power is non-linear and non-zero in the interval of cut-in and rated wind speed values.…”

Section: Grid Connected Hybrid Pv-wind Power System and Its Featuresmentioning

confidence: 99%

“…Different voltage compensation strategies such as pre-sag compensation, in-phase compensation and energy optimized compensation of the VSC of DVR are presented [18], [19], [33]. The pre-sag compensation strategy which is also used for this research work, is based on the restoration of the sagged and swelled voltage magnitude and phase angle to its healthy state.…”

Section: Principle and Control Strategy Of Vscmentioning

confidence: 99%

“…This is done by taking the real time voltage magnitude and phase angle of the three phase line voltages before any voltage disturbance to be locked and stored independently so that in case of disturbance it used to compensate properly [18], [19]. The main advantage of pre-sag compensation compared to inphase and energy optimized compensation is its capability to compensate phase jumps even though it needs some additional active power from the DC-link [18], [19], [33]. Phase jump should get a strong consideration since it is a critical issue for sensitive loads which produces transient and circulating current.…”

Section: Principle and Control Strategy Of Vscmentioning

confidence: 99%

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Voltage Sag Enhancement of Grid Connected Hybrid PV-Wind Power System Using Battery and SMES Based Dynamic Voltage Restorer

Molla

Kuo

2020

IEEE Access

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Renewable energy sources; which are abundant in nature and climate friendly are the only preferable choice of the world to provide green energy. The limitation of most renewable energy sources specifically wind and solar PV is its intermittent nature which are depend on wind speed and solar irradiance respectively and this leads to power fluctuations. To compensate and protect sensitive loads from being affected by the power distribution side fluctuations and faults, dynamic voltage restorer (DVR) is commonly used. This research work attempts to withstand and secure the effect of voltage fluctuation of grid connected hybrid PV-wind power system. To do so battery and super magnetic energy storage (SMES) based DVR is used as a compensating device in case of voltage sag condition. The compensation method used is a pre-sag compensation which locks the instantaneous real time three phase voltage magnitude and angle in normal condition at the point of common coupling (PCC) and stores independently so that during a disturbance it used for compensation. Symmetrical and asymmetrical voltage sags scenario are considered and compensation is carried out using Power System Computer Aided Design or Electro Magnetic Transient Design and Control (PSCAD/EMTDC) software.

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“…The topologies of the DVR could be categorized as with energy storage or without energy storage based on the energy storage perspective [29]. Considering the DVR connection and the energy storage aspect, the topology can be categorized into four types, such as without energy storage supply side connected, without energy storage load side connected, self-charging (capacitor supported), and with external energy storage [20,25,29]. The detection, reference generation, voltage, and current control and modulation aspects of the DVR different controlling schemes are presented in [16,25].…”

Section: Introductionmentioning

confidence: 99%

Voltage Quality Enhancement of Grid-Integrated PV System Using Battery-Based Dynamic Voltage Restorer

Molla

Kuo

2020

Energies

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The advancement of power electronic-based sensitive loads drives the power utilities’ devotion to power quality issues. The voltage disturbance could be happening due to fault conditions, switching of loads, energizing of transformers, or integration of highly intermittent energy sources such as PV systems. This research work attempts to enhance the voltage fluctuation of a sensitive load connected to a grid-integrated PV system using a battery-based dynamic voltage restorer (DVR). The proposed battery energy storage-based DVR has two separate controlling stages that are implemented at the DC–DC buck/boost converter of the battery and voltage source converter (VSC) system. Charging and discharging of the battery is operated based on the state-of-charge (SOC) value of the battery and the measured root mean square (RMS) voltage at the point of common coupling (PCC). The VSC of the DVR detection and reference generation control is done appropriately. In the detection control of the VSC, a combination of RMS and dq0 measurement techniques is used, whereas in the reference generation control, pre-fault strategy is implemented to restore both phase jump and magnitude distortions. Symmetrical and asymmetrical voltage sags scenarios are considered and the compensation demonstration is carried out using power system computer-aided design (PSCAD/EMTDC) software.

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Power quality improvement using microsystem technology for wind power plant

Cited by 15 publications

References 30 publications

Adaptive Control Strategy of Multiemergency Power Supply Network System Connected to New Energy

Adaptive Control Strategy of Multiemergency Power Supply Network System Connected to New Energy

Voltage Sag Enhancement of Grid Connected Hybrid PV-Wind Power System Using Battery and SMES Based Dynamic Voltage Restorer

Voltage Quality Enhancement of Grid-Integrated PV System Using Battery-Based Dynamic Voltage Restorer

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