中国装备制造业又传喜讯。近日,填补世界空白的3 300 V高压变频一体驱动技术变频刮板输送机成套设备在江苏天明集团率先研发成功,运用该技术的设备过煤量最大可达6 000 t/h。据行业权威专家介绍,该技术装备的研发成功,是国际采煤行业的革命性重大技术突破。据了解,3 300 V高压变频一体驱动技术电路布局更为科学,控制系统进行了全面优化,作业流程有效 China’s equipment manufacturing industry again good news. Recently, to fill the world’s blank 3 300 V high-voltage variable frequency integrated drive technology variable frequency scraper conveyor complete sets of equipment in Jiangsu Tianming Group, the first successful development, the use of the technology equipment up to 6,000 t / h of coal. According to industry authoritative experts, the successful development of the technical equipment is a revolutionary major technological breakthrough in the international coal mining industry. It is understood that 3 300 V high-voltage inverter integrated drive circuit layout more scientific, fully optimized control system, operating procedures effective