NDLI: Reduced order WECC modeling for frequency response and energy storage integration

Content Provider	IEEE Xplore Digital Library
Author	Bhattacharji, P. Brekken, T.K.A.
Copyright Year	2015
Description	Author affiliation: Sch. of Electr. Eng. & Comput. Sci., Oregon State Univ., Corvallis, OR, USA (Bhattacharji, P.; Brekken, T.K.A.)
Abstract	This paper presents a simple reduced order model of the western grid interconnect (WECC) that includes interconnect inertia, load frequency response, and generation primary frequency response. The model is validated against detailed power flow and transient response studies and recreates the WECC frequency response to a large generator outage to within 0.01 Hz RMSE, with the same frequency nadir and settling frequency. To properly capture the generation primary response, three classes of generation are used: slow, medium, and fast. The slow group responds with a time constant of 27 seconds, the medium group with a time constant of 19 seconds, and the fast group with a time constant of 0.5 seconds. The model is used to investigate the usage of domestic water heaters to assist in primary frequency response and reduce the impact of sudden load or generation changes. It is shown that even a very small-scale implementation of demand response via domestic hot water heaters (about 1 %) can improve the frequency nadir by 10 %, from 59.666 Hz to 59.697 Hz. The settling frequency is improved from 59.768 Hz to 59.789 Hz.
Starting Page	176
Ending Page	180
File Size	217109
Page Count	5
File Format	PDF
e-ISBN	9781479918027
DOI	10.1109/SusTech.2015.7314343
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-07-30
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Aggregates Water heating Power system stability Frequency response Generators Water resources Load modeling Energy storage
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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