IPCOMM delivered ipConv gateways to link the TDC control systems with the master stations.
The converter station Isle of Grain in Kent, South-East England, as well as Maasvlakte near Rotterdam are connected to the master stations by IEC 60870-5-104 protocol.
The communication between the gateways and the master stations is redundant.
The CLPS - Cable Load Prediction System (ABB AC 800 PEC) delivers dynamic operating parameter of the high voltage cable.
These data are transmitted via the gateway to the TDCs.
The CLPS communicates with the gateway via Modbus protocol.
The TDCs are connected to the gateway with the proprietary protocol Simatic TDC.
The TDC data traffic runs over a separate redundant process LAN.
The gateway time is synchronized over the NTP protocol.
This IPCOMM solution is part of the HVDC system BritNed, Great Britain / Netherlands.
BritNed, Great Britain / Netherlands
In May 2007 BritNed Development Limited (owned by the TSOs National Grid International and TenneT) awarded the contract for the BritNed HVDC converter stations to a consortium
of Siemens and BAM Civiel BV. The BritNed HVDC transmission system will connect the grid in the UK with the Dutch part of the UCTE grid. It is a 1,000 MW HVDC interconnection
across the southern part of the North Sea, linking the 400 kV substations on the Isle of Grain, on the southern bank of the Thames Estuary, and Maasvlakte near Rotterdam. [...]
Commercial operation of the interconnection is about to start in 2010.