Patent ID: 9325258
Filing Date: 2016-04-26
CPC Classification: H02M

Claim Text:
1. A method for controlling a modular converter connected to a power supply network, wherein the modular converter comprises several converter modules comprising high-power semiconductor devices, the converter modules having their power outputs connected, and slave controllers each associated with a respective converter module, the slave controllers being endowed with communication and processing capability, wherein control signals are sent between a master controller and a first slave controller of the slave controllers using a wireless communication system, the method comprising transmitting said control signals to the first slave controller according to a predetermined time slot allocation, the control signals including one or more data packets comprising control information and time synchronization information of the wireless communication system for synchronizing a clock of the first slave controller with other of the slave controllers to achieve the desired total power output, the control signals further including a time value when a switching action of a converter module of the converter modules shall take place.