Results 21 to 30 of about 136,626 (309)

Optimal Individual Phase Voltage Regulation Strategies in Active Distribution Networks with High PV Penetration Using the Sparrow Search Algorithm

open access: yesEnergies, 2021
This study aimed to propose individual phase voltage regulation strategies using the sparrow search algorithm (SSA) in the IEEE 8500-node large-scale unbalanced distribution network with high photovoltaic (PV) penetration.
Yih-Der Lee   +5 more
doaj   +1 more source

Novel Voltage Control Method of the Primary Feeder by the Energy Storage System and Step Voltage Regulator

open access: yesEnergies, 2019
With the intention of keep the customer voltage within a nominal voltage boundary (the South Korea voltage regulation in range of 220 V ± 6% for a single phase), the SVR (step voltage regulator) method in the primary feeder has been seriously ...
Byungki Kim   +6 more
doaj   +1 more source

Two-Stage Power Conversion Architecture Suitable for Wide Range Input Voltage [PDF]

open access: yes, 2014
This paper presents a merged-two-stage circuit topology suitable for either wide-range dc input voltage or ac line voltage at low-to-moderate power levels (e.g., up to 30 W).
Lim, Seungbum   +3 more
core   +1 more source

STATCOM Application on the Iraqi (400kv) Super Grid Network with Power Oscillation Damping(POD) & Proportional Integral (PI) Controller [PDF]

open access: yesEngineering and Technology Journal, 2012
Flexible ac transmission system (FACTS) can provide control more than conventional control and achieve fast control response time, STATCOM is a shunt FACTS device it is used to voltage control and increase the performance of the system.
Raaed Faleh Hassan   +1 more
doaj   +1 more source

A 10-Bit 300 kS/s Reference-Voltage Regulator Free SAR ADC for Wireless-Powered Implantable Medical Devices

open access: yesSensors, 2018
This paper presents a reference-voltage regulator free successive-approximation-register analog-to-digital converters (SAR ADC) with self-timed pre-charging for wireless-powered implantable medical devices. Assisted by a self-timed pre-charging technique,
Yongkui Yang   +3 more
doaj   +1 more source

Voltage dip generator for testing wind turbines connected to electrical networks [PDF]

open access: yes, 2011
This paper describes a new voltage dip generator that allows the shape of the time profile of the voltage generated to be configured. The use of this device as a tool to test the fault ride-through capability of wind turbines connected to the electricity
Abbesa   +21 more
core   +2 more sources

An Area Efficient Low Dropout Voltage Regulator With Improved Transient Response for Hearing-aid Applications [PDF]

open access: yesIranian Journal of Electrical and Electronic Engineering, 2023
This paper presents a low dropout voltage regulator, with the specifications suitable for hearing aid devices. The proposed LDO occupies very less area on chip and provides an excellent transient response.
Ananthakrishna T   +2 more
doaj  

Step-up/step-down regulators in maximum power transmission mode

open access: yesElectrical engineering & Electromechanics, 2022
Introduction. Switching DC voltage regulators are traditionally used to regulate and stabilize the voltage on the load. Due to the widespread use of non-traditional and renewable sources of electricity, there is a need to select from them the maximum ...
V. Y. Romashko   +2 more
doaj   +1 more source

Supercapacitor assisted LDO (SCALDO) techniquean extra low frequency design approach to high efficiency DC-DC converters and how it compares with the classical switched capacitor converters [PDF]

open access: yes, 2013
Supercapacitor assisted low dropout regulators (SCALDO) were proposed as an alternative design approach to DC-DC converters, where the supercapacitor circulation frequency (switching frequency) is in the order of few Hz to few 10s of Hz, with an output ...
Kankanamge, Kosala, Kularatna, Nihal
core   +3 more sources

An Integrated Chip High-Voltage Power Receiver for Wireless Biomedical Implants

open access: yesEnergies, 2015
In near-field wireless-powered biomedical implants, the receiver voltage largely overrides the compliance of low-voltage power receiver systems. To limit the induced voltage, generally, low-voltage topologies utilize limiter circuits, voltage clippers or
Vijith Vijayakumaran Nair, Jun Rim Choi
doaj   +1 more source

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