A groundbreaking thyristor-based speed control system for DC line electric locomotives in chemical mines has been successfully developed and launched by the Hebei Hengshui Taichang Mine Electronic Equipment Factory. This innovative product marks a significant milestone, filling a critical gap in China's mining machinery and electronics industry.
Currently, most DC speed control systems used in mine electric locomotives rely on resistance-based controllers, which are known for high energy consumption and unstable starting performance. These issues often lead to inefficiencies and operational challenges in mining environments. To address these problems, the factory leveraged technological innovation to create a new generation of thyristor speed control devices specifically designed for mine use.
This advanced device features a thyristor pulse speed control circuit, offering a simple yet highly reliable design. It provides a wide speed range, smooth startup, stable speed adjustment, energy efficiency, and explosion-proof capabilities. The system is suitable for operating conditions ranging from -20°C to 40°C and atmospheric pressures between 80kPa and 110kPa, ensuring excellent adaptability and flexibility.
According to reports, this technology enables smoother starts, more uniform speeds, and improved overload capacity for the locomotives. Compared to traditional resistance-based systems, it saves up to 25% in electrical energy. For example, one 8-ton DC line motor vehicle can save approximately 10,000 yuan annually in energy costs. Additionally, the device exhibits an extremely low failure rate during operation.
The main circuit of the system also offers strong shutdown capability, eliminating the risk of loss of control and significantly enhancing the safety of the motor vehicles. This advancement not only improves operational efficiency but also contributes to a safer working environment in mining operations.
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Jiangsu Zhongluman New Material Technology Co., Ltd , https://www.rozhmch.com