Wireless lapel microphone, a type of wireless microphone, has become popular recently. It is a small, small and portable microphone, usually worn in the location of the user's clothing lapel. It can be freed from the cable, and the user can do whatever he or she wants without worrying about the sound. It is generally …
Perovskite solar cells are rapidly catching up with their silicon predecessors in efficiency, but still lag behind in production speed, according to foreign media reports. Now, researchers at Stanford University have developed a new way to make perovskite solar cells at speeds of up to 40 feet (12 meters) per minute, faster even than silicon. …
Finnish researchers have demonstrated the technical feasibility of off-grid residential photovoltaic systems that combine short-term storage with seasonal hydrogen storage. The proposed model is only suitable for northern climates, as higher solar radiation in southern regions means less seasonal storage needs. The power generation system was tested in an existing single-family house in Finland with …
Energy storage converters, also known as bi-directional energy storage inverters, or PCS (Power Conversion System), are used in ac coupling energy storage systems such as grid-connected energy storage and micro-grid energy storage. They connect batteries and Power grids (or loads) to achieve bi-directional energy Conversion. It can invert the dc power of the battery into …