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Showing 1 to 20 of 116 for “"Voltage regulation"”.
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Voltage Regulation for Distribution Networks with Smart Photovoltaic Inverters
Traditional mechanical device-based voltage regulation becomes less effective when the high penetration of photovoltaic (PV) generation introduces rapid and frequent voltage fluctuations to the distribution networks. The PV inverters which are able to provide fast and flexible reactive power …
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Voltage Regulation of Smart Grids using Machine Learning Tools
… been considered the primary fast solution for voltage regulation in power distribution systems. Optimizing the coordination between inverters can be computationally challenging. Reactive power control using fixed local rules have been shown to be subpar. Here, nonlinear inverter control rules …
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Harmonic control of multiple-stator induction machines for voltage regulation
… stator winding circuits are described. A voltage inverter is developed and used to drive one set of the machine stator winding circuits. The second set of machine stator winding circuits is connected to a three-phase rectifier in which a path for zero-sequence current is provided from the …
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A series-connected VSC for voltage regulation, balancing and harmonics mitigation
Voltage sensitive electronic equipment, such as computers, process controllers, programmable logic controllers, adjustable speed drives and robotic devices is increasingly used in modern industrial processes. Industrial loads thus require a supply free of voltage disturbances such as voltage dips, …
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Supporting the UK distribution networks with power electronic end user voltage regulation
… the capacity of the network, raising the voltage level of the system was explored. Studies indicated that raising the voltage level of the UK low voltage (LV) distribution system will significantly increase the capacity of urban distribution networks. The difficulty with this approach is …
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Addressing control and capacitor voltage regulation challenges in multilevel power electronic converters
… solutions for applications that demand medium voltage, reasonable efficiency, and high power quality. The proper operation of these types of power converters requires special control, modulation methods, and capacitor voltage regulation techniques. Both developing capacitor voltage regulation …
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Voltage regulation of a series stacked system of digital loads by differential power processing
… draw hundreds of amperes of current at supply voltages as low as 0.8 V. As the supply voltages keep decreasing, the power delivery to meet the supply requirements is becoming increasingly difficult and inefficient. However, the presence of multiple cores in the microprocessor offers us a way to …
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Voltage regulation of a series stacked system of digital loads by differential power processing
… draw hundreds of amperes of current at supply voltages as low as 0.8 V. As the supply voltages keep decreasing, the power delivery to meet the supply requirements is becoming increasingly difficult and inefficient. However, the presence of multiple cores in the microprocessor offers us a way to …
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Investigation of Modular CLLC DC/DC Converter using Bypass Control for Wide Output Voltage Regulation
… limitation of such converters is their limited voltage range which makes it hard to interface wide output voltage range loads like electric vehicle charging. Using additional power conversion stages solves this issue but it comes with added cost and reduced efficiency. This paper proposes a …
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Dsp Implementation Of Dc Voltage Regulation Using Adaptive Control For 200 Kw 62000 Rpm Induction Generator
… of closed loop system to control the DC voltage for 200 kW induction generator rated at a speed of 62000 RPM under different load conditions. The voltage regulation has been implemented using PI controller. A gain scheduling control algorithm has been developed to select the appropriate …
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EFFICIENT VOLTAGE REGULATION USING SWITCHED CAPACITOR DC/DC CONVERTER FROM BATTERY AND ENERGY HARVESTING POWER SOURCES
… efficient over a wide range of input and output voltages, a family of SC power stages with multiple gain ratio (GR) is developed. Multiple GR allows the converter to provide step-down or step-up voltage conversion while increasing the average efficiency of the converter. These power stages are …
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Architectures and algorithms for voltage control in power distribution systems
… propose a hierarchical control architecture for voltage in power distribution networks where there is a separation between the slow time-scale, in which the settings of conventional voltage regulation devices are adjusted, and the fast time-scale, in which voltage regulation through …
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A Real-time Management of Distribution Voltage Fluctuations due to High Solar Photovoltaic (PV) Penetrations
… challenges. High PV penetration can create overvoltages and voltage fluctuations in the network, which are major concerns for the grid operator. Traditional voltage control devices like switched capacitor banks or line voltage regulators can alleviate slow-moving fluctuations, but these devices …
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Impedance-Based Stability Analysis in Power Systems with Multiple STATCOMs in Proximity
… transmission systems in order to obtain better voltage regulation and share burdens. Throughout stability assessment in this dissertation, it is shown, for the first time, that STATCOMs could interact with each other in a negative way in the small-signal sense due to their control, causing …
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Impact of Location and Size of Solar PV Plants for Integration in the Lusaka distribution grid network
… increase in system losses at distribution level, voltage drops and load growth. The distribution lines in Lusaka area are heavy-load lines with the highest demand density in Zambia. The Lusaka distribution line network system consists of a loop formed by interconnection of bulk supply points. …
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Impact of Location and Size of Solar PV Plants for Integration in the Lusaka distribution grid network
… increase in system losses at distribution level, voltage drops and load growth. The distribution lines in Lusaka area are heavy-load lines with the highest demand density in Zambia. The Lusaka distribution line network system consists of a loop formed by interconnection of bulk supply points. …
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Power Management and Power Conditioning Integrated Circuits for Near-Field Wireless Power Transfer
… on active rectifiers, which reduce the turn-on voltage for rectification. Certain studies target the output voltage regulation via feedback to the transmitter or direct battery charging without power maximization. Firstly, this study investigates a high-power factor WPT front-end circuit that is …
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An analysis of techniques implementing virtual load line voltage sense and regulation for automotive USB buck application
… analyzes three diseparate methods of virtual voltage sense in order to achieve voltage regulation at the end of load line cables without the need for two sense cables. This thesis also explores the implementation of the discussed Current Interrupt Method in order to regulate the output voltage …
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Gerenciamento de potências usando um conversor modular em cascata para veículos elétricos com células a combustível
… power and reactive power, as well as capacitors’ voltage regulation control, are described. Simulation results are shown to validate the control strategy. Experimental results using a minimal topology prototype and static load show the practical application of the control.
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