Dynamic Containment (DC) and Firm Frequency Response (FFR)

Dynamic Containment (DC) and Firm Frequency Response (FFR)

Dynamic Containment (DC) is designed to operate post-fault, i.e. for deployment after a significant frequency deviation. Fast acting frequency response equipment is required to monitor system frequency. Kenda’s ASM equipment can be used for NG ESO Dynamic Containment (DC) reporting services and we offer Independent Technical Expert (ITE) Reporting Services.


  • CSV files generated according to NGESO’s Performance Monitoring CSV-file format specification.
  • Data logging of required values at 20 Hz (50 ms)
  • Frequency accuracy to 0.001 Hz
  • Grid measurement accuracy frequency 0.001Hz, using Satec or Bachmann meters
  • Measurement interval (rms value update rate) Frequency 1.66ms
  • Current and voltage 1ms
  • Layer-based protection concept
  • Ethernet load limitation
  • Network services and protocols secured through authentication and end-to-end encryption (SSL/TLS)
  • Access control and access logging