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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Products for Protection go. Cyber Security Products and Solutions go. Smart Grid Software Solutions go. Products for Power Quality and Measurement go. Tools Digital Grid Digital Grid. High Speed Busbar Transfer go. The specific application can be chosen by parameterization. The protection relay can be parameterized for use with threephase and single-phase transformers. Transient Ground Fault Function go.


SIPROTEC 7UT – Digital Grid – Siemens

Description Functions Downloads Configurator. The relays provide easy-to-use local control and automation functions. 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.

Software for Protection go. Therefore, complete thermal monitoring of a transformer is possible, e. Search Search term s Search. Overcurrent and Feeder Protection go. Distance Protection Relay go. Capacitor Bank Protection go. In addition to this, a thermal replica is integrated for the supervision of the ohmic losses in the plant. Transformer Differential Protection go. Skip directly to content.


With external temperature monitoring boxes thermo-boxes temperatures can be measured and monitored in the relay. In this way an optimal adaption of the relay to the protected manuxl can be achieved. User-defined messages can be generated as well.


Optionally, a low or high-impedance restricted earth-fault protection, a janual sequence protection and a breaker failure protection can be used. High Impedance Protection go.

Motor and Generator Protection go. Line Differential Protection go. The flexible communication interfaces are open for modem communication architectures with control system.

Turn on more accessible mode. 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. Combined Line Differential and Distance Protection go. Turn off more accessible mode.

Products for Substation Automation go.

Protection for Rail Electrification go. Voltage and Frequency Protection go. Control Center Solutions go.