Virtual Synchronous Power Strategy for Multiple HVDC Interconnections of Multi-Area AGC Power Systems

Automatic generation control (AGC) in multi-area interconnected power systems is experiencing several adaptions due to increasing level of power converter based components in the system. The concept of virtual synchronous power (VSP) to simulate the dynamic effects of virtual inertia emulations by H...

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Bibliographic Details
Published in:IEEE transactions on power systems 2017-05, Vol.32 (3), p.1665-1677
Main Authors: Rakhshani, Elyas, Remon, Daniel, Cantarellas, Antoni Mir, Martinez Garcia, Jorge, Rodriguez, Pedro
Format: Article
Language:English
Subjects:
Active control
Active power control
Automatic control
Automatic generation control
Computer simulation
Convertidors de corrent elèctric
Damping
Dynamic stability
Electric current converters
Emulation
Enginyeria elèctrica
Frequency control
HVDC transmission
Inertia
Links
Load flow
Parameter sensitivity
Power system dynamics
Power system stability
S parameters
Sensitivity analysis
Stability analysis
Systems stability
Trajectory analysis
Virtual synchronous generation
Àrees temàtiques de la UPC
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Summary:Automatic generation control (AGC) in multi-area interconnected power systems is experiencing several adaptions due to increasing level of power converter based components in the system. The concept of virtual synchronous power (VSP) to simulate the dynamic effects of virtual inertia emulations by HVDC links for higher level control applications is introduced and reflected in the multi-area AGC model. By using this proposed combination in the AGC model, the dynamic performance of the studied system shows a significant improvement. The proposed formulation is generalized for multi-area systems with multiple HVDC links. The active power loop control in VSP-based HVDC links has a second-order characteristic, which makes a simultaneous enabling of damping and inertia emulations into the system. Trajectory sensitivities are also used to analyze the effects of VSP's parameters on the system stability. The effectiveness of the proposed concept on dynamic improvements is tested through MATLAB simulation of a four-area system.
ISSN:0885-8950
1558-0679
DOI:10.1109/TPWRS.2016.2592971