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Autor:
K. R. M. Nair, Remya Krishnan
Publikováno v:
2021 9th International Electrical Engineering Congress (iEECON).
Transformers of the future will be solid state, dry type and designed to meet the requirements of the smart grid. The materials used for producing these transformers will have to meet the criteria of low losses, high thermal endurance etc. This paper
Publikováno v:
2020 IEEE International Conference on Power Systems Technology (POWERCON).
Renewable energy sources have high penetration in today's power grid. Efficient transfer of DC power using existing AC transmission infrastructure is an economically viable means to use renewable energy sources. On the other hand, in AC power transmi
Autor:
G. Kishore Kumar, Ratin Kumar
Publikováno v:
2019 IEEE 4th International Conference on Condition Assessment Techniques in Electrical Systems (CATCON).
Electrical steel is significant material and used as core in the manufacture of electrical devices for power and distribution transformers. The magnetic properties of these steels need to be precisely estimated in order to design an accurate electric
Publikováno v:
2019 IEEE 8th International Conference on Advanced Power System Automation and Protection (APAP).
The LCC HVDC may be an effective way to transmit large wind power to load center. Because of variability of wind power, the variable power controlled LCC HVDC should be used. However, the reactive power will fluctuate frequently, and the filter and t
Autor:
Li Zichen
Publikováno v:
2019 IEEE 8th International Conference on Advanced Power System Automation and Protection (APAP).
Large-scale heating furnaces in the refining, chemical, tire, glass and other industries use AC power-regulating circuits. These AC power-regulating circuits have impact loads, which have large capacity and strong non-linearity. Waves and impact curr
Publikováno v:
2019 IEEE 8th International Conference on Advanced Power System Automation and Protection (APAP).
Small hydropower groups connected to the distribution network and operated in reverse power state will cause voltage over-limit in the key nodes and some nodes of grid. Through the analysis of the power system voltage regulation principle, four volta
Transient Voltage and Reactive Power Response Analysis of Power System Considering Geomagnetic Storm
Publikováno v:
2019 IEEE 8th International Conference on Advanced Power System Automation and Protection (APAP).
In the condition of strong magnetic storm, geo-magnetically induced current (GIC) flowing through the neutral point of the transformer, causing the increase of reactive power loss of the transformer, which leads to overload of the reactive power comp
Publikováno v:
2019 IEEE 8th International Conference on Advanced Power System Automation and Protection (APAP).
Compared with the traditional AC power transmission system, the short-circuit current of HVDC grid dc side do not has natural zero-crossing, rises rapidly and is larger. Fault current limitation problem has become one of the major effects which const
Publikováno v:
2019 IEEE 8th International Conference on Advanced Power System Automation and Protection (APAP).
In this paper, an investigation on oscillation damping enhancement of DFIG with the combined reactive power damping control (RPDC) and virtual inertia control (VIC) is conducted. A brief principle introduction on RPDC and VIC is presented firstly. Th
Publikováno v:
2019 IEEE 8th International Conference on Advanced Power System Automation and Protection (APAP).
The reactive power control of the doubly fed induction generator (DFIG) plays an important role in improving power system voltage stability. Firstly, the reactive power capability of the commercial DFIG and its limitations are analyzed. It is pointed