ZHIGUANG(SZ:002169) Zheng Quan Shi Bao Wang·2025-10-21 11:04Core Insights - The company has successfully developed an intelligent high-voltage variable frequency drive system, which has passed the type test by the National Electric Control Distribution Equipment Quality Inspection and Testing Center, marking a significant advancement in its technical capabilities in the ultra-high power variable frequency field [1][2] - The ZINVERT-S5H60000/10 product has a rated capacity of 60 MVA and is designed for ultra-high power motor drive applications, showcasing its wide frequency range and high control precision [2] Technical Specifications - The product operates within a frequency range of 0 to 120 Hz, featuring a water cooling system that ensures high heat dissipation efficiency, suitable for harsh environments with high temperatures and dust [2] - It meets stringent grid harmonic standards without the need for additional filters, and includes multiple intelligent protection and startup technologies such as high and low voltage ride-through, direct start for rotating loads, and short circuit protection [2] Industry Applications - The ZINVERT intelligent high-voltage variable frequency drive system has been widely applied across various industries, including power, metallurgy, petrochemicals, cement, municipal services, mining, and papermaking, due to its eight core advantages [2] - The successful type test of the 60 MVA high-voltage variable frequency system is a strong demonstration of the company's technical strength in the high-power power electronics sector, reinforcing its leading position in industrial energy conservation and intelligent control [2]