Fig. 8/1 SIPROTEC 4. 7UT6 differential protection relay for transformers, generators, motors and busbars. 7UT/ 7UT 7UT LS. P. a The numerical protection relays 7UT6 are primarily applied transformers. 7UT 2 windings. 7UT/ 2 up to 3 windings. 7UT 2 up to 5 windings. Manual This manual is valid for SIPROTEC ® 7UT differential protection; firmware bar protection for up to seven feeders with one single 7UT relay.

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In addition to this, a thermal replica is integrated for the supervision of the ohmic losses in the plant. Motor and Generator Protection go.

Capacitor Delay Protection go. Search Search term s Search. The protection relay can be parameterized for use with three-phase and single-phase transformers. The integrated programmable logic CFC allows the users to implement their own functions, e. Turn on more accessible mode. Skip directly to content.


Control Center Solutions go. Turn off more accessible mode. Tools Digital Grid Digital Grid. Transient Ground Fault Function go.

Siprotec 7ut612 Transformer Differential Protection Relay – Automation Device

The flexible communication interfaces are open for modem communication architectures with control system. The relays provide easy-to-use local control and automation functions.

Protection for Rail Electrification go. Optionally, a low or high-impedance restricted earth-fault protection, a negative sequence protection and a breaker failure protection can be used.

SIPROTEC 7UT – Digital Grid – Siemens

Products for Power Quality and Measurement go. Voltage and Frequency Protection go. The protection relay can be parameterized for use with threephase and single-phase transformers.

User-defined messages can be generated as well. Therefore, complete thermal monitoring of a transformer is possible, e. Cyber Security Products and Solutions go.


Overcurrent and Feeder Protection go. High Impedance Protection go. Description Functions Downloads Configurator.

Smart Grid 77ut612 Solutions go. Line Differential Protection go. In this way an optimal adaption of the relay to the protected object can be achieved. Transformer Differential Protection go. Combined Line Differential and Distance Protection go. Products for Protection go. Products for Substation Automation go.


Software for Protection go. Distance Protection Relay go.

High Speed Busbar Transfer go. The specific application can be chosen by parameterization.