Description

Distance Protection Setting Calculation (DI) Siemens PSS SINCAL Protection Modules

Requirements and Use Cases of Siemens PSS SINCAL Protection Modules

Selectivity in distance protection is achieved by a combination of time and distance graduation. The distance graduation primarily requires the calculation of the zone settings in X and R. Hereby, uncertainties (e.g. due to deviating line data) have to be considered when selecting the graduation factor. Additionally, in meshed networks effects occur that change the reach of the protection devices, this is particularly relevant for backup protection.

• Automatic calculation of protection setting parameters for distance protection devices
• Automatic parameterization/setting of protection devices

Solution

The distance protection setting calculation (DI) module in PSS?SINCAL enables automated calculation of zone settings for distance protection devices. Depending on the selected setting strategy, intermediate infeed and parallel follow-up lines, that change the reach of the protection devices, are considered.

• Automatic calculation of distance protection device specific zone settings
• Support of different setting strategies (DISTAL, line impedance, line impedance connected, medium voltage networks)
• Generation of graduation plans based on the calculated setting values of the distance protection devices

PSS SINCAL Protection Modules

Tackle the complex field of protection with powerful simulations and visualizations, from protection coordination, validation, and calculation of settings, all the way to automated system-wide protection studies.

PSS SINCAL supports your entire engineering workflow

For over 20 years,  Siemens PSS SINCAL has enabled engineers to tackle different challenges of the changing distribution, transmission, and industrial power systems, including maintaining high reliability of supply and efficiently integrating Distributed Energy Resources. With the modular platform of Siemens PSS SINCAL, power system planning and operation engineers are supported with their entire workflow from the initial data import and network modeling (considering past, current and future conditions), to basic and extended calculations, all the way to extensive protection simulations and analysis as well as other methods in time and frequency domains.