杰里米Nighan、ABB、低Voltage Drives

Paper mill combines ac and dc drives to reach upgrade goals

According to The Federal Network for Sustainability, a voluntary, collaborative network of Federal agencies in the Western United States focused on fostering and furthering the concept of sustainability within the government through individual programs and group initiatives, the United States uses approximately 4 million tons of office paper annually, enough to build a wall 10 ft high and 6,815...