Virtual Synchronous Generator Control of Power System including Large-scale Wind Farm by Cooperative Operation between Battery and LFC Hydro Power Plant

2020 ◽  
Vol 140 (6) ◽  
pp. 531-538
Author(s):  
Kotaro Nagaushi ◽  
Atsushi Umemura ◽  
Rion Takahashi ◽  
Junji Tamura ◽  
Atsushi Sakahara ◽  
...  
Keyword(s):  
Power Plant ◽  
Power System ◽  
Large Scale ◽  
Wind Farm ◽  
Synchronous Generator ◽  
Hydro Power ◽  
Virtual Synchronous Generator

scholarly journals Renewable Energy System on Frequency Stability Control Strategy Using Virtual Synchronous Generator

Symmetry ◽  
2020 ◽  
Vol 12 (10) ◽  
pp. 1697 ◽  
Author(s):  
Lingling Li ◽  
Hengyi Li ◽  
Ming-Lang Tseng ◽  
Huan Feng ◽  
Anthony S. F. Chiu
Keyword(s):  
Renewable Energy ◽  
Power System ◽  
Large Scale ◽  
Synchronous Generator ◽  
Frequency Stability ◽  
Stability Control ◽  
System Stability ◽  
Generator System ◽  
System Frequency ◽  
Virtual Synchronous Generator

This study constructs a novel virtual synchronous generator system based on a transfer function, and optimizes the parameters of the model by using the improved whale algorithm to improve the frequency control ability of virtual synchronous generator. Virtual synchronous generator technology helps to solve the problem that the integration of large-scale renewable energy generation into the power system leads to the deterioration of system frequency stability. It can maintain the symmetry of grid-connected scale and system stability. The virtual synchronous generator technology makes the inverter to have the inertia and damping characteristics of a synchronous generator. The inverter has the inertia characteristics and damps to reduce the frequency instability of high penetration renewable energy power system. The improved whale algorithm is efficient to find the best combination of control parameters and the effectiveness of the algorithm is verified by microgrid and power system. The results show that the proposed frequency coordination control scheme suppresses the frequency deviation of power system and keep the system frequency in a reasonable range.

Virtual Synchronous Generator Control of Power System Including Large Wind Farm by using HVDC Interconnection Line

2020 ◽  
Vol 140 (2) ◽  
pp. 104-110 ◽  
Author(s):  
Sho Niino ◽  
Atsushi Umemura ◽  
Rion Takahashi ◽  
Junji Tamura ◽  
Yoshiharu Matsumura ◽  
...  
Keyword(s):  
Power System ◽  
Wind Farm ◽  
Synchronous Generator ◽  
Large Wind ◽  
Virtual Synchronous Generator

Influence of Wind Farm with PMSG Type on Small Signal Stability of Power System

2014 ◽  
Vol 1003 ◽  
pp. 148-151
Author(s):  
Jian Chao Zhang ◽  
Xiao Rong Zhu ◽  
Wei Zhao
Keyword(s):  
Power System ◽  
Wind Power ◽  
Large Scale ◽  
Wind Farm ◽  
Oscillation Mode ◽  
Wind Farms ◽  
Synchronous Generator ◽  
Small Signal ◽  
Small Signal Stability ◽  
Signal Stability

In order to study the small signal stability of power grid after grid-connection of large-scale Permanent Magnet Synchronous Generator (PMSG) wind farms, the mathematical model of PMSG was established. By means of simulation on a simple power system, the damping characteristics of grid under different wind power penetration and different access location of wind farms were studied in detail. Simulation results show that along with the increase of wind power, the inter-area oscillation mode damping would reduce. When wind farm was attached the receiving area, the inter-area oscillation mode damping was lower than it when wind farm was attached the supplying area.

scholarly journals Research on the virtual synchronous generator control strategy of grid-connected permanent-magnet direct-driven wind power system

2018 ◽  
Vol 22 (Suppl. 2) ◽  
pp. 401-408
Author(s):  
Xiaohong Hao ◽  
Huimin Wang ◽  
Bei Peng ◽  
Zhi Yao ◽  
Yixiong Wang ◽  
...  
Keyword(s):  
Permanent Magnet ◽  
Wind Power ◽  
Control Strategy ◽  
Large Scale ◽  
Wind Farm ◽  
Synchronous Generator ◽  
Frequency Change ◽  
Micro Grid ◽  
Grid Connected Inverter ◽  
Virtual Synchronous Generator

Renewable energy, distributed generation, and micro-grid technology have been widely concerned for a long time. The traditional grid-connected inverter control strategy does not take into account the problem of inertia which is short and fast to cause the frequency change. The virtual synchronous generator control strategy is adopted to simulate the synchronous generator characteristics, which enhanced the inertia and damp of the system. For the micro-grid of wind power grid-connected, the storage battery is arranged on the AC side of the permanent magnet direct-drive wind turbine, and the model of the virtual synchronous generator is established. Thus the grid-connected performance of large-scale wind farm is improved. Here, the effect of moment of inertia in the virtual synchronous generator and the grid-connected regulation of virtual synchronous generator are verified by using PSCAD/EMTDC. The simulation results show that the grid-connected inverter controlled by the virtual synchronous generator is approximately equivalent to the synchronous generator in external characteristic. The grid-connected inverter based virtual synchronous generator control has a beneficial to adjust frequency and voltage, and can enhance the standby inertia of new energy and grid power generation

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