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Intelligent technologies for stable data

Automation solutions and remote control technology enhance the reliability of distribution grids

Despite every effort, grid disturbances and faults can never be entirely eliminated. This is why control room personnel must be able to work quickly and effectively to resolve problems in a targeted manner. Comprehensive automation and remote-control solutions optimize these capabilities.

Remote monitoring and control

Automated solutions ensure

Grid automation relieves the control center personnel and improves grid reliability significantly due to shortest possible reaction times.

What to do if a power grid failure occurs? Due to the fact that industry, infrastructure systems, and households are highly dependent on electricity to function, restoring the power supply has the highest priority. The pressure on control room personnel to resolve the problem is correspondingly high – so it's a good thing when high-performance automation components and technologies facilitate this work. Products and solutions for grid automation, remote monitoring, and remote-control systems are available to minimize, as much as possible, the likelihood of a grid outage.

Remote monitoring and control of substations

Advanced outage management requires a detailed overview of the current state of the grid, and must also be able to remotely control the substations at the secondary distribution system level. Remote-control technology enables faults and failures to be detected and located more quickly. It is possible to remotely isolate faults and failures from the control center and also to manage the restoration of service. Through remote monitoring and control, the control center can field-deploy maintenance personnel directly to the grid segment affected. All of this reduces grid operating costs and protects grid operators from incurring blackout penalties.

Cost-efficient solution that also provides the basis for advanced outage management

This requires remote-control equipment with communication connections (RTUs) and smart grid condition monitoring devices. Working together, they monitor the actual state of the grid by measuring key electrical indicators such as voltage, current, and frequency. They reliably detect electrical faults in grounded, insulated, or compensated distribution grids and send fault and failure information to local or central control centers. The control centers, in turn, transmit appropriate commands to the RTUs and switch the primary operating equipment – such as load-disconnect switches in substations at the secondary distribution grid level – accordingly.


SICAM FCM and SICAM A8000 serve as the basis. They are equipped with standardized sensors and connections, are simple and quick to install, and  can be updated by remote control. The fault and failure data detected in this way are transmitted to Spectrum Power™ ADMS, enabling quick and effective elimination of the fault and failure conditions.

Product highlights for remote monitoring and control

Automated switching for fault and failure isolation and service restoration

Grid faults and failures always pose major challenges for control center personnel. There, a broad number of tasks have to be performed simultaneously in order to rapidly restore power to the failure-free segments of the grid. To do this, the personnel need to collect and analyze all necessary information, define and initiate appropriate countermeasures, isolate the fault or failure, restore service, inform and coordinate operating personnel and, once repairs have been completed, restore normal grid operation.

Self-healing solutions for supply restoration within milliseconds

The workload for personnel increases when multiple failures occur simultaneously -- caused, for instance, by severe weather conditions. Solutions from Siemens for self-healing grids that automatically perform the necessary switching, isolate the fault or failure, and then independently restore power enable staff  to focus on the necessary repairs and coordinate this work. These solutions also make it possible to restore power  to critical consumers such as industrial installations and computer data centers in less than one minute.


A SICAM controller from Siemens provides the basis for automated, semi-distributed switching solutions for fault location, isolation, and service restoration (FLISR). Scaleable distribution system automation solutions monitor the distribution grid substations and enable closed-loop self-healing for cable networks, overhead line networks, and mixed configurations. The remote-control unit SICAM A8000 is used in cable networks, while SIPROTEC 7SC80-type protective relays are used in overhead line networks.

Highlight products for eliminating grid faults and failures

SCADA / OMS integration for advanced monitoring and fault location

When faults or failures occur in the grid, control center personnel must respond rapidly and effectively in a targeted manner – despite the highly complex failure situation. The objective is to quickly restore power in the grid. Doing so means that personnel must collect and analyze all necessary information, undertake appropriate countermeasures, isolate the fault or failure, restore service, inform and coordinate operating personnel and, once repairs have been completed, restore normal grid operation.

Bundling SCADA functions, outage management (OMS), and fault and grid analysis on a single software platform

The workload for personnel increases when multiple failures occur simultaneously – caused, for instance, by severe weather conditions. The SCADA / OMS solution from Siemens facilitates these efforts: It displays precise information on the fault or failure, generates outage reports, and supports initiation of fault isolation and service restoration. This gives control center personnel greater capacity to coordinate service crews and focus on the necessary repairs.

Highlight products for control centers

Automated switching for dynamic reconfiguration

Power distribution grids are normally operated as individual feeder lines that can be fed with power from either end or operated as an intermeshed network. Critical situations can be alleviated by distributing load demand across multiple branch lines, which helps reduce investment costs for strengthening cables and overhead lines. While this also functions in intermeshed networks, it requires a more complex algorithm. The advantages of automated reconfiguration are that it enables grid optimization through demand load sharing, prevents overload, and reduces the risk of failure and outage.

An algorithm checks the load situation and shifts the normal open point to an appropriate location in the ring
Self-healing solutions for distribution grids

For automated grid reconfiguration, a SICAM A8000 and SICAM FCM are the necessary prerequisites in every control center to monitor and control the medium-voltage network. The SICAM FCM records the current and load flow during cable transmission and transmits this information via the A8000 to the regional SICAM controller. There, an algorithm checks the load situation and shifts the open sectioning point to the optimum location in the grid. In overhead lines, SIPROTEC 7SC80 units monitor and control the grid at electricity transmission pylons with disconnect switches and reclosers. The load distribution algorithm of the SIPROTEC 7SC80 shifts the open sectioning point, thereby ensuring uniform capacity utilization across the branch lines. Alternatively, the SIPROTEC 7SC80 can be deployed as a normal controller in conjunction with a regional SICAM controller. In such arrangements, the algorithm set in the regional controller controls the sectioning point.

Highlights products for automated reconfiguration


Solutions tried and proven in reference projects

Ensuring stable, resilient grids is one of the essential tasks of municipal power utility companies and distribution system operators. The products and solutions from Siemens support them in these efforts. Listed below are just some of the reference projects.