Can a transient reactive power control strategy improve system transient stability?
This paper proposed a transient reactive power control strategy to enhance system transient stability. The integration of photovoltaic energy storage systems (PV-ESS) with Virtual Synchronous Generator (VSG) control emerges as a groundbreaking solution to the complexities posed by the surge in renewable energy sources.
Can energy storage power stations be controlled again if blackout occurs?
According to the above literature, most of the existing control strategy of energy storage power stations adopt to improve the droop control strategy, which has a great influence on the system stability and cannot be controlled again in case of blackout.
How to identify system transient stability?
In order to accurately identify system transient stability, this study utilizes an enhanced logical switch for detection. The sum of the system's acceleration area and deceleration area denoted as TDEA. By determining whether TDEA > 0 holds, the activation of the transient reactive power control loop is decided.
How does a reduced active power reference control achieve transient stability?
The reduced active power reference control achieves transient stability by reducing the system's output power requirement. Transient reactive power control, by fully utilizing the characteristics of the reactive power loop, enhances the system's reactive power output. The increase in reactive power also signifies an elevation of Vpcc.
What is transient reactive power control loop?
Transient reactive power control loop is designed to provide extra reactive power reference value. The accurate reactive power reference value is deduced based on EAC using power output equations. The rest of the paper is organized as follows.
Does transient reactive power control increase VPCC?
Transient reactive power control, by fully utilizing the characteristics of the reactive power loop, enhances the system's reactive power output. The increase in reactive power also signifies an elevation of Vpcc. As illustrated in Fig. 13 (d.1) compared to Fig. 13 (d.2), transient reactive power control results in a higher increase in Vpcc.
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Energy storage transient power coordinated control method …
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