Load characterisation of electric spring

Author

Chi Kwan Lee ; Kai Lok Cheng ; Wai Man Ng

Author_Institution

Dept. of Electr. & Electron. Eng., Univ. of Hong Kong, Hong Kong, China

fYear

2013

fDate

15-19 Sept. 2013

Firstpage

4665

Lastpage

4670

Abstract

Electric spring is an emerging technology proven to be effective in stabilizing smart grid with substantial penetration of intermittent renewable energy sources. With the technology, traditional electric appliance can be a smart load to provide voltage supporting function in the power distribution network. This paper describes the load characterisation of electric spring. The mathematical derivations are used to explain the characteristic of electric spring connected to different type of electric loads such as resistive, resistive-inductive/-capacitive and constant power loads. These results have been verified through experimental measurement. Electric spring can be incorporated with different electric loads to perform active or reactive power control. The information obtained provides useful information for the future development of electric spring and smart loads.

Keywords

domestic appliances; power system security; smart power grids; active power control; constant power loads; electric appliance; electric spring characteristic; intermittent renewable energy sources; load characterisation; mathematical derivations; power distribution network; reactive power control; resistive-inductive-capacitive load; smart grid stability; smart load; voltage supporting function; Equations; Inverters; Power grids; Reactive power; Renewable energy sources; Springs; Voltage control;

fLanguage

English

Publisher

ieee

Conference_Titel

Energy Conversion Congress and Exposition (ECCE), 2013 IEEE

Conference_Location

Denver, CO

Type

conf

DOI

10.1109/ECCE.2013.6647326

Filename

6647326