A silencing air duct device is separately provided with a silencing air duct and a micro-perforated cavity; two ends of the silencing air duct are open, one end being used for leading to external air, and the other end being used for being communicated wit...

An energy storage system and a self-heating method therefor are provided. By means of the self-heating method for an energy storage system, when a battery temperature of the energy storage system is lower than a preset permissible operation temperature, an...

A thermal management system includes a first liquid pipeline, a second liquid pipeline and a switching valve group, and the switching valve group is connected between the first liquid pipeline and the second liquid pipeline. The switching valve group can b...

An inverter, a grid-connected control method, a photovoltaic system, an apparatus, and a medium are provided. The inverter includes: a power conversion circuit and a controller. The controller is configured to, in a case that the inverter operates in a sta...

A photovoltaic inverter and a method for controlling the photovoltaic inverter are provided. The photovoltaic inverter includes a main circuit and a controller. A direct-current side of the main circuit is configured to connect a photovoltaic array, and an...

A direct-current coupling system and a charging control method therefor are provided. In the direct-current coupling system, an alternating-current side of an inverter is configured to connect a power grid, a direct-current side of the inverter is connecte...

A rapid shutdown system and a method for controlling the rapid shutdown system are provided. For each of shutdown devices in the rapid shutdown system, an electrical signal disturbance is applied to a direct current bus connected to the shutdown device at ...