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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Combined Line Differential and Distance Protection go. In addition to this, a thermal replica is integrated for the supervision of the ohmic losses in the plant. Turn off more accessible mode. The relays provide easy-to-use local control and automation functions. Motor and Generator Protection go.

In this way an optimal adaption of the relay to the protected object can be achieved. Cyber Security Products and Solutions go.



User-defined messages can be generated as well. Description Functions Downloads Configurator. Turn on more accessible mode. Overcurrent and Feeder Protection go. The flexible communication interfaces are open for modem communication architectures with control system.

The SIPROTEC 7UT differential protection relay are used for fast and selective fault clearing of short-circuits in transformers of all voltage levels and also in rotating electric machines like motors and generators, for short lines and busbars. Distance Protection Relay go. Products for Power Quality and Measurement go. Transient Ground Fault Function go.

Capacitor Bank Protection go. Software for Protection go.

SIPROTEC 7UT – Digital Grid – Siemens

Therefore, complete thermal monitoring of a transformer is possible, e. Skip directly to content. High Speed Busbar Transfer go. Protection for Rail Electrification go.

Tools Digital Grid Digital Grid. The specific application can be chosen by parameterization. With external temperature monitoring boxes thermo-boxes temperatures can be measured and monitored in the relay.


Smart Grid Software Solutions go. Voltage and Frequency Protection go. High Impedance Protection go.

Line Differential Protection go. Search Search term s Search. Control Center Solutions go.

Siprotec 7ut612 Transformer Differential Protection Relay – Automation Device

The protection manal can be parameterized for use with threephase and single-phase transformers. Products for Protection go. The integrated programmable logic CFC allows the users to implement their own functions, e. Optionally, a low or high-impedance restricted earth-fault protection, a negative sequence protection and a breaker failure protection can be used. The protection relay can be parameterized for use with three-phase and single-phase transformers.

Products for Substation Automation go. Transformer Differential Protection go.