Research on SVG Correlation Control Strategy Based on Voltage Slope Detection

The voltage control ability of new energy stations is an important content of the assessment of new energy stations, and reactive power support is an important means to maintain the voltage. Relevant national standards also put forward requirements for power factor and reactive power allocation of new energy stations. Static var generator (SVG) can adjust the voltage of monitoring point quickly and accurately by absorbing or emitting reactive power. When multiple sets of SVG control objectives are consistent, reactive power offset will occur, resulting in voltage oscillation. This paper proposes a SVG correlation control algorithm based on voltage slope detection, which can accurately determine the cause of voltage fluctuation and avoid the reactive power output deviation caused by the device misjudgment. The actual test results show that the algorithm proposed in this paper has a strong robustness, and has a strong reference value for solving SVG associated control.