Hydroelectric power plant with 4 generators

Renewal of the electrical and I&C equipment for a run-of-river power plant with three Straflo turbines and one bevel gear turbine and flow control (OW/Q).

Control system:

  • 4 x SIMATIC S7-400 (for the 4x turbines)
    • Integrated KIMA turbine controller (KTC)
  • 1 x SIMATIC S7-400
    • For weir control and general control tasks
    • Telecontrol communication via IEC104
  • 1 x SIMATIC S7-400
    • For OW/Q (control flow control)
    • Telecontrol communication via IEC104
  • 2 x SIMATIC S7-1500
    • For the basic drains

Operating and monitoring system:

  • WinCC V7
    • 2 x redundant WinCC stations for local operation and monitoring in the power plant for automatic and manual operation as well as measurement data recording

Bus systems:

  • Industrial Ethernet
  • in the optical, redundant ring
    • Communication between SIMATIC S7 controllers and with the B&B system
    • Telecontrol protocol IEC 60870-5-104 for simultaneous communication with 3 control centers
  • Profibus:
    • Decentralized periphery for signal acquisition and control of auxiliary operations
    • Decentralized periphery for signal acquisition and control of existing 400 VAC supply
    • Decentralized periphery for signal acquisition and control of existing MS system

Noteworthy aspects:

  • Time stamping of the messages with a resolution of 3ms
  • Delivery and installation of a DC supply with battery system and inverter
  • Integration of the existing levels