Results 21 to 30 of about 356,866 (308)
Research on key technologies in ±1100 kV ultra-high voltage DC transmission
High Voltage, 2018 Based on completely mastering ±800 kV transmission technologies, the first ±1100 kV direct current (DC) transmission demonstration project is being constructed in China.
Zehong Liu +4 more
doaj +1 more source
Control strategy of doubly-fed induction generator during the grid voltage swell
The Journal of Engineering, 2018 This study firstly derives the relationship between the grid voltage and the rotor current of doubly-fed induction generator (DFIG) during the grid voltage swell.
Zou Le +5 more
doaj +1 more source
Research on DC grid control and analysis method based on pilot voltage
The Journal of Engineering, 2019 DC voltage control is one of the key technologies of DC power grid operating control. Here, the local voltage measurement is replaced by the pilot voltage in traditional droop control, and the droop control based on the pilot voltage is applied to the DC
He Wang +4 more
doaj +1 more source
A novel architecture of a bidirectional bridgeless interleaved converter for EV battery chargers [PDF]
, 2015 This paper presents a novel architecture of a bidirectional bridgeless interleaved converter for battery chargers of electric vehicles (EVs). The proposed converter is composed by two power stages: an ac-dc converter that is used to interface the ...
Afonso, João L. +5 more
core +1 more source
Real Time Simulation of Power Electronics Medium Voltage DC-Grid Simulator
Energies, 2021 Power electronics medium-voltage (MV) systems must comply with the requirements defined in grid codes. These systems’ compatibility with the standards can be validated by specialized testing equipment: grid simulators.
Piotr Sobanski +5 more
doaj +1 more source
Adjustable inertial response from the converter with adaptive droop control in DC grids [PDF]
, 2018 In a DC grid, the inherent inertial support from the DC capacitors is too small to resist step changes or random fluctuations from the intermittent power resources, which results in lower DC voltage quality. In this paper, an adaptive droop control (ADC)
Hei, Yang +4 more
core +1 more source
A 100-Element MESFET Grid Oscillator [PDF]
, 1990 A planar grid oscillator which combines the outputs of 100 devices quasi-optically is presented. The planar configuration is attractive because it is compatible with present-day IC fabrication techniques.
Kim, Moonil +4 more
core +1 more source
e-Prime: Advances in Electrical Engineering, Electronics and Energy, 2023 The flow of quasi-DC or DC in AC networks may trigger half-cycle saturation of electrical grid transformers that could lead to their internal heating or grid collapse.
Moazzam Nazir +2 more
doaj +1 more source
Power Quality Improvement and Low Voltage Ride through Capability in Hybrid Wind-PV Farms Grid-Connected Using Dynamic Voltage Restorer [PDF]
, 2018 © 2018 IEEE. Translations and content mining are permitted for academic research only. Personal use is also permitted, but republication/redistribution requires IEEE permission.This paper proposes the application of a dynamic voltage restorer (DVR) to ...
Allaoui, Tayeb +3 more
core +2 more sources
A Simplified Control Method for Tie-Line Power of DC Micro-Grid
Energies, 2018 Compared with the AC micro-grid, the DC micro-grid has low energy loss and no issues of frequency stability, which makes it more accessible for distributed energy. Thus, the DC micro-grid has good potential for development.
Yanbo Che +4 more
doaj +1 more source