Variable-speed technology used in power plants for better plant economics and grid stability

► A novel algorithm to determine the operating points of variable speed pumps (VSP). ► The operation optimization of condenser cooling water pump (CCWP) in power plants for better unit economy. ► The vacuum adjustment system based on VSP used in power plants for better grid stability. ► “The variable speed control system for CCWP” with aims of unit safety, economy, and grid stability.