A Model Predictive Control Strategy for LCC-HVDC System to Participate in Long-term Voltage Stability Control

2018 ◽  
Author(s):  
Meng Liu ◽  
Yan Zhang ◽  
Kuan Li ◽  
Fangfang Shi ◽  
Chao Yang ◽  
...  
Keyword(s):  
Model Predictive Control ◽  
Predictive Control ◽  
Control Strategy ◽  
Voltage Stability ◽  
Stability Control ◽  
Hvdc System ◽  
Voltage Stability Control

Long Term Voltage Stability Enhancement by Model Predictive Control

2012 ◽  
Vol 157-158 ◽  
pp. 1553-1557
Author(s):  
Pei Jia Yu ◽  
Ting Ting Jiang ◽  
Jing Zhang
Keyword(s):  
Model Predictive Control ◽  
Power System ◽  
New England ◽  
Predictive Control ◽  
Voltage Stability ◽  
Control Method ◽  
Proper Time ◽  
Time Instant ◽  
Load Shedding

Power system load shedding has been used as an emergency control method to prevent possible power system instability problems. In this paper, a model predictive control based load shedding scheme is proposed to enhance long term voltage stability of a power system. The main advantage of this method is the capability to handle control actions with proper time instant. A new cost function is defined for the model predictive control scheme. The proposed scheme is tested on the New England 39-bus system to validate its efficiency and effectiveness in preventing system long term voltage stability problems.

A Load Shedding Scheme for Long Term Voltage Stability Enhancement by Multi-Stage Model Predictive Control

2011 ◽  
Vol 383-390 ◽  
pp. 4735-4741
Author(s):  
Yu He ◽  
Jing Zhang ◽  
Zhi Wei Peng ◽  
Zhao Yang Dong
Keyword(s):  
Model Predictive Control ◽  
Power System ◽  
New England ◽  
Predictive Control ◽  
Voltage Stability ◽  
Control Method ◽  
Load Shedding ◽  
Stage Model ◽  
Multi Stage

Power system load shedding has been used as an emergency control method to prevent possible power system instability problems. In this paper, a new multi-stage model predictive control based load shedding scheme is proposed to enhance long term voltage stability of a power system. The main advantage of this new method is the capability of the scheme to handle multi-stage control actions, which may also be disturbances to a power system at a critical status toward instability. A new cost function is defined for the model predictive control scheme. The proposed scheme is tested on the New England 39-bus system to validate its efficiency and effectiveness in preventing system long term voltage stability problems.

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