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Due to the continuous appearance of safety fault accidents in the practice process, operation safety has become the central task of various operation and management tasks of the power grid. Therefore, to establish a line overload identification and data control model for the power system, we first defined the vulnerability of complex power systems based on the analysis of each line and node. For finding...
The main structure of the proposed voltage source converter (VSC) for low voltage DC (LVDC) system is composed of three cascaded PWM rectifiers (CPRs) and a parallel DC-DC converter (PDC). High voltage AC grid is the input of the VSC. In order to ensure proper operation of the VSC, the control method should achieve output voltage sharing (OVS) among rectifiers in CPR, output current sharing (OCS)...
This paper presents the topology structure and control method for input-parallel-output-series (IPOS) inverter system which is suitable for high input current, high output voltage and high power applications. In order to ensure the normal operation of IPOS inverter system, the control method should achieve input current sharing (ICS) and output voltage sharing (OVS) among constituent modules. Through...
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