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MAIN FEATURES TheSMART.Iine, PRONand Extended Ii lefamilies are the Thytronic last generation of protective devices built on a com- The compact size, the different types of assembly and the avail- ability of measuring inputs suitable for 1 A and 5 A rated current from conventional CT, from low-power transformers (LPCT) or combined sensors (ThySensor), allows easy customization of protective relays inside any electric plant environment. They are the definitive solution for the comprehensive protec- tion in distribution networks, substations and industrial plants with any level of application....

INTEGRATION OF PROTECTIVE ELEMENTS DIGITAL PROCESSING Digital signal processing, together with a strong integration of protection, metering, control and communication functions led to the use of a high performance hardware platform: there is a 32-bit CPU and a DSP (Digital Signal Processor) for processing the measurement algorithms. Flash memories, together with the local communication interface, enables the rmware to be updated quickly and reliably. NA80 The set of protective and control elements covers every plant typology (transmission, distribution or industrial type): • Line Protection for...

File Comunicazione Procedure Aggiomamenti Funziuni opzionali Preferenze Aiirto : record 23 ■ 04/10/2006 07:22 ■ first point: Od/10/2006, 06:53:02:525000 ■ trigger: 0H/1O/20OS. 06:58:02:775000 File Canali j Markeii | Marker2 Azzera Marker JPEG Un grafico per linea The sequence of events logging and the recording of the waveform capture, provide the user with all of the useful information on the electrical network This features allow continual and full monitoring in normal op- eration as well as in the event of a system fault. High accuracy measurements may replace measuring instru- For every input...

MODULAR DESIGN An innovative concept of hardware upgradeability through auxiliary modules and an high-speed serial "Vi- bus enables the user to adapt the protections to all system needs. The possibility of increasing the number of output relays, the digital inputs and the signalling LEDs, together with a software with programmable logic conforming to the IEC61131 (PLC) protocol, provides the main switchgear automation and control Besides the I/O expansion modules, additional modules for 4 ..20 mA output converters, PtIOO thermometric inputs probes and blocking circuits to achieve enhanced reverse...

□ Self test CONTROL AND MONITORING ELEMENTS • Activation of multiple set point proles. • Remote reset • CT and VT monitoring (74CT & 74VT) • Logic selectivity. • Cold load pickup (CLP) • Automatic reclosing (79) • Trip Circuit Supervision (74TCS) The run-time testing feature ensures that the relay will provide proper and reliable protection. Main checks concern: • Power supply • Output relays coils • CT and VT secondary • Blocking circuit (breaks or short circuits on the pilot wires). • Non-volatile memory U aux U aux IN1 IN1 74TCS 74TCS IN2 TC CB LOGICA DI SUPERVI- IN1 74TCS U aux • Stabilization...

MECHANICAL DATA The protection relays may be shipped in various case styles: • Flush mounting • Projecting mounting • With separate operator panel • Rack. FRONT VIEWS The projecting assembly with a separate operator panel solution is particularly suitable for limited-depth installations. The connections to the current signal inputs can be made by ring lugs and an insulating panel covering the terminals may be mounted for safety purposes. For faster maintenance the electronic module removability is ensured; this provides minimum downtime and maximum protection availability. REAR VIEWS 120 107...

■ PRODUCTION □ OPTIONAL □ ALTERNATIVE

www.thytronic.com A PERSONALISED SERVICE OF THE PRODUCTION, A RAPID DELIVERY, A COMPETITIVE PRICE AND AN ATTENTIVE EVALUATION OF OUR CUSTOMERS NEEDS, HAVE ALL CONTRIBUTED IN MAKING US ONE OF THE BEST AND MOST RELIABLE PRODUCERS OF PROTECTIVE RELAYS. FORTY YEARS OF EXPERIENCE HAS MADE STANDARD THESE ADVANTAGES THAT ARE GREATLY APPRECIATED BY LARGE COMPANIES THAT DEAL ON THE INTERNATIONAL MARKET. A HIGHLY QUALIFIED AND MOTIVATED STAFF PERMITS US TO OFFER AN AVANT-GARDE PRODUCT AND SERVICE WHICH MEET ALL SAFETY AND CONTINUITY DEMANDS, VITAL IN THE GENERATION OF ELECTRIC POWER. OUR COMPANY PHILOSOPHY...