发明授权
US06316918B1 Integrated control system and method for controlling mode, synchronization, power factor, and utility outage ride-through for micropower generation systems 有权
用于微型发电系统控制模式,同步,功率因数和实用停电穿越的综合控制系统和方法

  • 专利标题: Integrated control system and method for controlling mode, synchronization, power factor, and utility outage ride-through for micropower generation systems
  • 专利标题(中): 用于微型发电系统控制模式,同步,功率因数和实用停电穿越的综合控制系统和方法
  • 申请号: US09535541
    申请日: 2000-03-27
  • 公开(公告)号: US06316918B1
    公开(公告)日: 2001-11-13
  • 发明人: Thomas C. UnderwoodWilliam B. HallThomas C. Matty
  • 申请人: Thomas C. UnderwoodWilliam B. HallThomas C. Matty
  • 主分类号: H02P904
  • IPC分类号: H02P904
Integrated control system and method for controlling mode, synchronization, power factor, and utility outage ride-through for micropower generation systems
摘要:
An integrated system for comprehensive control of an electric power generation system utilizes state machine control having particularly defined control states and permitted control state transitions. In this way, accurate, dependable and safe control of the electric power generation system is provided. Several of these control states may be utilized in conjunction with a utility outage ride-through technique that compensates for a utility outage by predictably controlling the system to bring the system off-line and to bring the system back on-line when the utility returns. Furthermore, a line synchronization technique synchronizes the generated power with the power on the grid when coming back on-line. The line synchronization technique limits the rate of synchronization to permit undesired transient voltages. The line synchronization technique operates in either a stand-alone mode wherein the line frequency is synthesized or in a connected mode which sensed the grid frequency and synchronizes the generated power to this senses grid frequency. The system also includes power factor control via the line synchronization technique or via an alternative power factor control technique. The result is an integrated system providing a high degree of control for an electric power generation system.
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