LOS SAUCES, PERU – Siemens Smart Infrastructure has installed process bus technology at the new high-voltage substation in Los Sauces for one of the largest Peruvian distribution network operators, Luz del Sur.
The network operator Luz del Sur is currently expanding its 220 kV network. Instead of conventional 1:1 cabling between the transducer and the protection device, it is using merging units to record the measured values from the transducer, convert them into digital format and send them to the respective protection units via a fiber-optic Ethernet cable.
Siemens is providing 13 merging units for this latest installation in the Los Sauces substation, which is one of the first to utilize this technology on a large scale.
The process bus from Siemens digitalizes the information at the process level and communicates via fiber optic cables to the protection and station control system, a source from the company said for the press release.
The process and station bus systems are physically split between two Ethernet networks to enhance cyber security.
Source: Siemens