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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Tools Digital Grid Digital Grid. Protection manuzl Rail Electrification go. Transformer Differential Protection go. Voltage and Frequency Protection go. User-defined messages can be generated as well.
Capacitor Bank Protection go. Turn off more accessible mode. Transient Ground Fault Function go. Motor and Generator Protection go. Combined Line Differential and Distance Protection go. The relays provide easy-to-use local control and automation functions. Products for Protection go. Control Center Solutions go.
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.
The integrated programmable logic CFC allows the users to realy their own functions, e. In this way an optimal adaption of the relay to the protected object can be achieved. The protection relay can be parameterized for relag with three-phase and single-phase transformers.
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Overcurrent and Feeder Protection go. Description Functions Downloads Configurator.
With external temperature monitoring boxes thermo-boxes temperatures can be measured and monitored in the relay. Software for Protection go.
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SIPROTEC 7UT – Digital Grid – Siemens
Distance Protection Relay go. The specific application can be chosen by parameterization. High Impedance Protection go. Cyber Manuaal Products and Solutions go. Line Differential Protection go. Therefore, complete thermal monitoring of a transformer is possible, e.
The flexible communication interfaces are open for modem communication architectures with control system. Smart Grid Software Solutions go. The protection relay can be parameterized for use with threephase and manuual transformers. Optionally, a low or high-impedance restricted earth-fault protection, a negative sequence protection and a breaker failure protection can be used.
High Speed Busbar Transfer go. Products for Power Quality and Measurement go.
Products for Substation Automation go. Turn on more accessible mode. In addition to this, a thermal replica is integrated for the supervision of the ohmic losses in the plant.