Results 21 to 30 of about 3,163 (202)
High Voltage, 2019 The large current generated by a direct start of the super-large-capacity high-voltage induction motor would have a huge impact on the power grid as well as the motor itself.
Jiaxin Yuan +5 more
doaj +1 more source
Research of the Power Plant Operational Modes [PDF]
, 1995 In this article the algorithm of the power plant operational modes research is offered. According to this algorithm the program for the modes analysis and connection power transformers choice is developed. The program can be used as educational means for
Auer, Holger +7 more
core +3 more sources
UUDAT based on the modular multilevel converter and diode bridges for high-voltage DC application
The Journal of Engineering, 2019 Conventional unidirectional DC/DC converters for high-voltage direct current application employ DC/AC/DC technology and suffer from high converter cost and power loss.
Meng Zhou +5 more
doaj +1 more source
Interconnection of VSC-HVDC and LCC-HVDC using DC–DC autotransformer
The Journal of Engineering, 2019 This article investigates the feasibility of interconnecting LCC-HVDC and VSC-HVDC through an un-interrupted DC autotransformer (DC AUTO). The interconnected system aims at taking advantage of two HVDC technologies.
Zhihan Yang +7 more
doaj +1 more source
Autotransformer Monitoring System
Renewable Energy and Power Quality Journal, 2010 This paper describes the monitoring system of autotransformer installed in the Poreba and Bierun substation. Apart from the monitoring system carried out on microprocessor controllers ADAM 5000, a process of adapting the transformer for the system of data acquisition was also described.
Ryszard Kowalik +2 more
openaire +1 more source
Fast frequency support control in the GB power system using VSC-HVDC technology [PDF]
, 2017 A fast frequency support control scheme for voltage source converter based high-voltage direct-current (HVDC) links has been designed, simulated and experimentally implemented and validated.
Adeuyi, Oluwole D. +4 more
core +1 more source
The Journal of Engineering, 2019 For large oil-filled transformers, the oil flow and temperature distribution in transformer windings are an essential issue to be addressed. However, the computation of the oil flow and temperature distribution is a complicated engineering problem ...
Longnv Li +3 more
doaj +1 more source
Analysis of distribution laws of transformer oil indicators in 110-330 kV transformers
Electrical engineering & Electromechanics, 2021 Introduction. Ensuring the operational reliability of power transformers is an urgent task for the power industry in Ukraine and for most foreign countries.
O. Shutenko, S. Ponomarenko
doaj +1 more source
Optimal control of mutual impact of electric grids for the reduction of their electric energy losses [PDF]
, 2014 The mathematical models and algorithms for determining energy losses in inhomogeneous electric networks caused by their interaction. Displaying way to reduce these losses by using linear regulators installed in the low voltage network.
Kilimchuk, A. V. +8 more
core +1 more source
A New Method of Ground Fault Location in 2 × 25 kV Railway Power Supply Systems
Energies, 2017 Owing to the installation of autotransformers at regular intervals along the line, distance protection relays cannot be used with the aim of locating ground faults in 2 × 25 kV railway power supply systems.
Jesús Serrano +3 more
doaj +1 more source