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You searched for +publisher:"NSYSU" +contributor:("Chan-Nan Lu"). Showing records 1 – 3 of 3 total matches.

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NSYSU

1. Hsu, Yuan-Yu. A Study on Power System Short-Term Load Forecasting.

Degree: Master, Electrical Engineering, 2018, NSYSU

Accurate Short-Term Load Forecast (STLF) is important in ensuring efficient and reliable power system operations. In this study, we propose a two-stage Artificial Neural Network (ANN) model for STLF. The first stage models forecast next seven days 24-hour load profiles and the second stage ANN forecasts the daily maximum peak demand and minimum off-peak demand with higher accuracy. The daily maximum and minimum loads forecasted in the second stage are used to improve the load profile obtained in the first stage. The accuracy of the proposed forecast model is tested using the historical data obtained from Taiwan Power Company (TPC). Forecast results are compared with those obtained from Semi-parametric Additive Model, Mix model, and Recurrent Neural Network model. Mean absolute percent errors are computed to assess the effectiveness of each model. Test results show that the proposed two-stage ANN model can outperform a previously proposed single stage ANN load forecast model. Advisors/Committee Members: Chan-nan Lu (committee member), Le-Ren Chang-Chien (chair), Jen-Hao Teng (chair), Chin-Chung Wu (chair).

Subjects/Keywords: day-ahead electricity market; neural networks; short-term load forecasting; load curve adjustment method

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Hsu, Y. (2018). A Study on Power System Short-Term Load Forecasting. (Thesis). NSYSU. Retrieved from http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0802118-175759

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16th Edition):

Hsu, Yuan-Yu. “A Study on Power System Short-Term Load Forecasting.” 2018. Thesis, NSYSU. Accessed October 14, 2019. http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0802118-175759.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7th Edition):

Hsu, Yuan-Yu. “A Study on Power System Short-Term Load Forecasting.” 2018. Web. 14 Oct 2019.

Vancouver:

Hsu Y. A Study on Power System Short-Term Load Forecasting. [Internet] [Thesis]. NSYSU; 2018. [cited 2019 Oct 14]. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0802118-175759.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Hsu Y. A Study on Power System Short-Term Load Forecasting. [Thesis]. NSYSU; 2018. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0802118-175759

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation


NSYSU

2. Wu, Shang-Qing. System Operation Support by Virtual Power Plant in Distribution Network.

Degree: Master, Electrical Engineering, 2018, NSYSU

With the increase of power demand, rising concern of environment protection and decommission of nuclear and fossil fuel power plants, the utility companies are facing with various challenges. Renewable energy, such as solar photovoltaic, wind power in conjunction with energy storage system are integrated to the network in a rapid speed. Effective Coordination of these distributed energy resources could not only reduce the impacts to the system but also provide supports to system operations. This research uses the concept of virtual power plant to integrate the distributed resources in the distribution system to provide ancillary services to distribution system operator. Mathematical formulations of several ancillary services, including line losses optimization, congestion relief, voltage regulation and service restoration support, are presented. The dispatch of virtual power plant resources in a feeder level network during normal and emergency situations are studied and the enhancement of system efficiency and reliability due to the dispatch of the distributed energy resources is demonstrated. Advisors/Committee Members: Jen-Hao Teng (chair), Chin-Chung Wu (chair), Chan-nan Lu (committee member), Le-Ren Chang-Chien (chair).

Subjects/Keywords: Restoration Dispatch; Ancillary service; Distributed Energy Resource; Virtual Power Plant; Energy Storage System

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Wu, S. (2018). System Operation Support by Virtual Power Plant in Distribution Network. (Thesis). NSYSU. Retrieved from http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0804118-145806

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16th Edition):

Wu, Shang-Qing. “System Operation Support by Virtual Power Plant in Distribution Network.” 2018. Thesis, NSYSU. Accessed October 14, 2019. http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0804118-145806.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7th Edition):

Wu, Shang-Qing. “System Operation Support by Virtual Power Plant in Distribution Network.” 2018. Web. 14 Oct 2019.

Vancouver:

Wu S. System Operation Support by Virtual Power Plant in Distribution Network. [Internet] [Thesis]. NSYSU; 2018. [cited 2019 Oct 14]. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0804118-145806.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Wu S. System Operation Support by Virtual Power Plant in Distribution Network. [Thesis]. NSYSU; 2018. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0804118-145806

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation


NSYSU

3. Dlamini, Mkhonzeni Mazambane. The Effects of Dynamic Load on the LVRT Performance for DFIG Wind Farms and Optimal Sizing and Location of STATCOM for LVRT Enhancement.

Degree: Master, Electrical Engineering, 2018, NSYSU

Wind power is the fastest growing renewable energy source in the world. The global quest for a cleaner environment, improvement in wind turbine technology and government pledges to support renewable energy generation has resulted in significantly high renewable energy penetration in power systems. The high penetration coupled with its intermittency, fluctuation and non dispatchability of renewable power has resulted in shortage of power reserves and system inertia as conventional machines are shrinking in the system. Grid codes specially formulated for renewable energy sources have been enacted by power system operators (PSO) to give grid connection, steady state and dynamic operational guidelines. In this study, the low voltage ride through (LVRT) grid code for wind turbines is considered. The LVRT requirement stipulates that if voltage recovery to 90% of nominal voltage following a fault is slower than the set-times at different sag levels, wind farm could disconnect from the grid. Disconnection of wind power in a heavily constrained system can be catastrophic and need to be avoided as the system has less power reserves. Voltage recovery is greatly affected by dynamic loads. Power systems loads are estimated to be roughly 60% dynamic loads which are mostly induction motors. In this study, a PSS/E CLOD composite load model with motor sub-models are used. Undesired disconnection of wind farms (WF) could be mitigated through LVRT enhancement by static synchronous compensator (STATCOM) device at strategic locations. The optimal STATCOM capacity depends on the actual or anticipated dynamic load proportion in the system and the required voltage recovery time. STATCOM locations are determined through the use of Average Integral Absolute Error (AIAE) of voltage deviation as indices and the capacity is determined to comply with German LVRT grid code voltage recovery requirement. In the study it is shown that dynamic var planning can improve wind turbine uptime, overall system integrity and that a single strategically located dynamic var source could serve several adjacent WFs to reduce costs of LVRT enhancement. Advisors/Committee Members: Dr. Jen-Hao Teng (chair), Dr. Chun-Lien Su (chair), Dr. Chan-Nan Lu (committee member), Dr. Kin-Cheong Sou (chair).

Subjects/Keywords: AIAE; PCC; LVRT grid code; Dynamic loads; Disconnection; DFIG wind turbine; STATCOM

Record DetailsSimilar RecordsGoogle PlusoneFacebookTwitterCiteULikeMendeleyreddit

APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Dlamini, M. M. (2018). The Effects of Dynamic Load on the LVRT Performance for DFIG Wind Farms and Optimal Sizing and Location of STATCOM for LVRT Enhancement. (Thesis). NSYSU. Retrieved from http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0626118-122038

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16th Edition):

Dlamini, Mkhonzeni Mazambane. “The Effects of Dynamic Load on the LVRT Performance for DFIG Wind Farms and Optimal Sizing and Location of STATCOM for LVRT Enhancement.” 2018. Thesis, NSYSU. Accessed October 14, 2019. http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0626118-122038.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7th Edition):

Dlamini, Mkhonzeni Mazambane. “The Effects of Dynamic Load on the LVRT Performance for DFIG Wind Farms and Optimal Sizing and Location of STATCOM for LVRT Enhancement.” 2018. Web. 14 Oct 2019.

Vancouver:

Dlamini MM. The Effects of Dynamic Load on the LVRT Performance for DFIG Wind Farms and Optimal Sizing and Location of STATCOM for LVRT Enhancement. [Internet] [Thesis]. NSYSU; 2018. [cited 2019 Oct 14]. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0626118-122038.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Dlamini MM. The Effects of Dynamic Load on the LVRT Performance for DFIG Wind Farms and Optimal Sizing and Location of STATCOM for LVRT Enhancement. [Thesis]. NSYSU; 2018. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0626118-122038

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

.