Abstract: A method for power distribution in an electricity-hydrogen hybrid energy storage system in a microgrid method includes: decomposing a current operating power of a microgrid into a to-be-smoothed power and a grid connection power; distributing the to-be-smoothed power according to a current SOC value of the electrochemical energy storage system and a current SOH value of the hydrogen energy storage system with a goal of minimizing operating costs to obtain a first optimal charge/discharge power required for controlling the electrochemical energy storage system to operate and a second optimal charge/discharge power required for controlling the hydrogen energy storage system to operate; and adjusting an SOC state of the electrochemical energy storage system according to a protection strategy determined by the to-be-smoothed power, a preset SOC operating range of the electrochemical energy storage system, and the current SOC value, while controlling an overall operating status of the microgrid.

Abstract: A method for power distribution control in a microgrid system integrating electricity, hydrogen, and ammonia, and a device are disclosed. The method includes: acquiring an output power of the photovoltaic generation system and a power of the DC load and determining a charge/discharge power of a hybrid energy storage system constituted the hydrogen storage system and the electrochemical energy storage system; and acquiring a state of charge (SOC) value of the electrochemical energy storage system and a state of health (SOH) value of the hydrogen storage system, and determining a power distribution control strategy according to the charge/discharge power of the hybrid energy storage system to adjust an operating status of the power distribution control strategy.

Abstract: A DC-to-DC converter control method and system based on backstepping super-twisting, a device, and a storage medium are disclosed, the method including: constructing a state-space model of a DC-to-DC converter according to Kirchhoff's laws and a topological structure of the DC-to-DC converter; acquiring initial PWM wave control information by using a backstepping control algorithm in an inner current loop of the DC-to-DC converter according to the state-space model; processing the initial PWM wave control information by using a super-twisting sliding mode control algorithm in an outer voltage loop of the DC-to-DC converter based on the state-space model to obtain final PWM wave control information; and regulating an operation state of the DC-to-DC converter with the final PWM wave control information.

Abstract: A DC-to-DC converter control method and system based on backstepping super-twisting, a device, and a storage medium are disclosed, the method including: constructing a state-space model of a DC-to-DC converter according to Kirchhoff's laws and a topological structure of the DC-to-DC converter; acquiring initial PWM wave control information by using a backstepping control algorithm in an inner current loop of the DC-to-DC converter according to the state-space model; processing the initial PWM wave control information by using a super-twisting sliding mode control algorithm in an outer voltage loop of the DC-to-DC converter based on the state-space model to obtain final PWM wave control information; and regulating an operation state of the DC-to-DC converter with the final PWM wave control information.