Advances, Systems and Applications
Table 5 Sub-problems of Voltage Control
Sub-Problem | Description | Type of method | Status |
|---|---|---|---|
Detection and prediction of voltage limit violations | It is necessary to identify high or low voltage limit violation in the distribution network. Unexpected low voltage problems can arise due to many reasons such as emergency restoration, change of weather patterns or unexpected events. | CMDP DRL | [113] [114] |
Voltage stability | When there is a problem with the voltage, it may cause the system to lose stability. | NFC CFPSS ANN Cuckoo Search optimization Q-learning | [115] [116] [117] [118] [119] |
CLF problem | By adjusting power system control variables to meet physical and operational constraints. | Q-learning | [112] |
ORPD problem | Optimizing reactive power can improve voltage stability and reduce energy loss. | Q-learning | [120] |
Voltage deviation issue | Find a strategy to minimize the voltage deviation of the entire system by mapping the measurement of voltage amplitude and topology information to the variation of LTC tap ratio. | LSPI DQN EDLPC ANN | [121] [122] [123] [124] |
VVO problem | This process aims to optimize the distribution of reactive power so that the power system can operate in the most efficient manner subject to various physical and operational constraints. | DRL Grid Mind | [128] |