Electric heating system and electric heating method for wind power blade

• Main Authors: SONG CHUANJIANG, LI YIZHUO, LIU JIANG, SUN FENGYAN
• Format: Patent
• Language: Chinese; English
• Published: 25.07.2023
• Subjects: BLASTING; ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; HEATING; LIGHTING; MACHINES OR ENGINES FOR LIQUIDS; MECHANICAL ENGINEERING; OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR; PRODUCING MECHANICAL POWER; WEAPONS; WIND MOTORS; WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS

The invention discloses a wind power blade electric heating system and an electric heating method. The wind power blade electric heating system comprises a power supply device, an electric heating assembly and an electric connecting device, wherein the electric heating assembly is located on the surface of a blade body of a wind power blade and formed by a plurality of electric heating units arranged in the longitudinal direction of the wind power blade, and the electric connecting device is connected with the power supply device and the electric heating units. The electric heating units are insulated from one another and are respectively connected with the power supply device in parallel to form a plurality of parallel circuits; the electric heating unit comprises two metal chaff and a large heating part; the metal chaff is used for being connected with a power supply device, and the two metal chaff are parallel to each other and penetrate through the whole electric heating unit. The large heating part is co