NDLI: Two-level coordinated controllers for robust inter-area oscillation damping considering impact of local latency

Content Provider	IET Digital Library
Author	Surinkaew, Tossaporn Ngamroo, Issarachai
Abstract	Local latency adversely affects the stabilising performance of damping controllers especially in the two-level control scheme. By considering both wide area and local latencies, this study presents the two-level coordinated control which consists of wide area centralised and local controls of power oscillation damper (POD) and power system stabiliser (PSS) for robust power oscillation damping. The PODs are equipped with the doubly fed induction generator (DFIG) wind turbine, the solar photovoltaic generator (SPV), and the static VAR compensator (SVC). The centralised PODs of DFIG, SPV, SVC, and the centralised PSSs act as the primary damping controllers. When the communication failure occurs, the local PODs of such devices and the local PSSs are activated and used as the backup damping controllers. To achieve the damping performance and robustness, the parameters of centralised and local controllers are individually optimised based on the worst scenarios determined by the lowest damping ratio of target inter-area oscillation modes. Study results in New England and New York IEEE 68-bus system demonstrate that the proposed two-level coordinated controllers are superior to the conventional two-level controllers in terms of damping performance and robustness against various operating conditions.
Starting Page	4520
Ending Page	4530
Page Count	11
ISSN	17518687
Volume Number	11
e-ISSN	17518695
Issue Number	Issue 18, Dec (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/11/18
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2016.2068
Journal	IET Generation, Transmission & Distribution
Publisher Date	2017-06-06
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Asynchronous Generator Asynchronous Machine Backup Damping Controller Centralised Control Centralised PSS Control of Electric Power System Damping Controller Stabilising Performance DFIG Wind Turbine Doubly Fed Induction Generator Wind Turbine Local Controller Local Latencies Local Latency Impact New England IEEE 68-bus System New York IEEE 68-bus System Optimisation Optimisation Technique Photovoltaic Power System POD PODs Power Generation Control Power System Control Power System Measurement Power System Measurement And Metering Power System Stabiliser Power System Stability Robust Control Robust Interarea Oscillation Damping Solar Photovoltaic Generator Solar Power Stations SPV Stability in Control Theory Static VAR Compensator Static VAr Compensators SVC Two-level Coordinated Controller Wide Area Centralised Control Wind Power Plant Wind Turbine Worst Scenario
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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