Description
The fifth generation of ABB's synchronizing equipment
• The SYNCHROTACT - dual channel concept consists of two micro-processor systems, each from different manufacturer and with different software structure
• A family of devices with a well thought-out type range to support a suitable system redundancy
• Automatic synchronization of generators and power lines, making use of the IEC 61850
communication protocol
• Design compliant with the IEC - protection standards and the guidelines for CE-certification
• Remote servicing via TCP/IP and Internet
• Remote control via fieldbus (Modbus, Profibus, LON)
• One relay synchronizes up to 7 power circuit breakers with different requirements
• Dead bus / dead line feature
• For 50 Hz, 60 Hz and 16.7 Hz
SYNCHROTACT® 5 is the fifth generation of synchronizing equipment produced byABB Switzerland Ltd in Switzerland. SYNCHROTACT products from ABB are used forautomatic synchronization of generators with power lines and for paralleling ofsynchronous lines. They are designed for fully automatic operation by dual-channelor single-channel systems. Synchronizing equipment are used in powerstations where a generator needs to beparalleled with a power line or in substationsto parallel two synchronous lines. Power circuit breakers can only be closed ifvoltage at both ends is synchronous. If it isnot, it will cause a disturbance in the powernetwork, trip the breaker, shock the generator and unit transformer. In extreme cases, itcan damage both. SYNCHROTACT 5 guarantees a safe andreliable synchronization whether as a monitoring element for manual paralleling or asan independent fully-automatic synchronizingunit.
SYNCHROTACT 5 covers the following areasof application: 1. Automatic synchronization and parallelingof generators with power lines(see Fig. 1 below), 2. Automatic paralleling for synchronousand asynchronous lines and busbars(see Fig. 2 below), 3. Monitoring (Synchrocheck) of automaticor manual paralleling of power lines,generators and voltage-free lines (deadbus), see Fig. 3 below
Definition In synchronizing, the term “dual channel” applies to aconfiguration of two channels in series, in whichone channel blocks the faulty operation of the other.This is to increase the safety of operation. The term “redundancy” applies to a configuration oftwo devices in parallel. If one fails the other one cantake over the function. This is to increase the availability of the synchronizing system. Maximum safety in automatic andmanual operation The safety of the generator and network, while synchronizing, is the first requirement for such an equipment. Maximum safety in automatic andmanual operationThe safety of the generator and network, while synchronizing, is the first requirement for such an equipment. The safe manual synchronization is ensured by amonitoring device (Synchrocheck), which is in serieswith the manual paralleling switch Optimum availability For higher availability of synchronizing equipment, thefamily range of SYNCHROTACT 5 offers various redundant configurations. See figures 6, 7 and 8. With thoseconfigurations both maximum safety and full availabilityis achieved. The dual channel, automatic channel and single monitoring channel (Synchrocheck) systems are each providedin one casing. The redundant dual-channel system is inone casing, including interconnection wiring
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