SIEMENS protection relays with integrated transformer

... independent measuring loops (6-system distance protection) •Several distance- protection functions can be selected: Classic, reactance method (RMD), impedance protection for transformers •Directional ...

... differential protection have been designed particularly for the selective protection of overhead lines and cables with single-ended and multi-ended infeed in medium-voltage and high-voltage systems. Transformers ...

... charging currents •Several distance- protection functions selectable as backup protection or secondary main protection: Classic, reactance •method (RMD), impedance protection for ...

... Circuit-breaker failure protection for 1-pole and 3-pole tripping Point-on- wave switching Control, synchrocheck and switchgear interlocking protection Voltage controller for transformers Arc protection Voltage ...

... 7UT82/85/86/87 transformer differential protection have been designed specifically for the protection of two and multi-winding (up to 5 sides). transformers. They are the main protection ...

... 7SK82 and the SIPROTEC 7SK85 motor protection have been designed specifically for the protection of motors of all sizes. For the protection of generators and power-plant units the SIPROTEC 7UM85 generator ...

... The SIPROTEC 7SS85 busbar protection is a selective, safe and fast protection against busbar short circuits in medium, high, and very high voltage systems. The proven, fast and safe algorithms from SIPROTEC 7SS52 in ...

... The Reyrolle 7SR511 overcurrent device includes a wide range of protection functions and IEC 61850 Ethernet communications as standard. Features & functions The large LCD, tactile pushbuttons and programmable LEDs ...

... Reyrolle 7SR54 provides protection, control and monitoring for 2 and 3 winding transformers. All transformer vector groups and earthing connections are considered. The Reyrolle 7SR54 device includes ...

... differential protection SIPROTEC 7SD80 for selective line protection of power cables and overhead lines up to 24 km for all kind of starpoint configurations. The implemented phase comparison algorithm is a fast and ...