Electronic spectronic genesys 10 bio sel transformer protection relay pdf - books manual motor caterpillar 3612 app 710: sel-710 motor protection relay kawasaki vn1500 service manual ford 1999 f 450 owners manual mercruiser 140 hp manual relay instruction books - work barina 1985 manual app 487e: sel-487e transformer protection relay flight. Oct 5, 2015 - SEL-487E Transformer Protection Relay can apply up to 5 three-phase restraint inputs, 3 restricted earth fault protection elements,.

SEL-487E-3, -4 Transformer Differential Relay Three-Phase Transformer Protection, Automation, and Control System Major Features and Benefits The SEL-487E Transformer Differential Relay provides three-phase differential protection for transformer applications with as many as five three-phase restraint current inputs. Use the three independent restricted earth fault (REF) elements for sensitive ground-fault detection in grounded wye-transformer applications. Detect turn-to-turn winding faults for as little as two percent of the total transformer winding with the negative-sequence differential element. Apply the two three-phase voltage inputs for over- and undervoltage, frequency, and volts/hertz protection. Make any overcurrent element directional using voltage polarized directional elements as torque control inputs to the overcurrent elements. Monitor and protect critical substation assets with comprehensive breaker wear and transformer thermal and through-fault monitoring.

Perform bay control functions for as many as five breakers and 20 disconnect switches using the built-in system mimic diagrams. Schweitzer Engineering Laboratories, Inc. High-Speed Differential Protection.

A two-stage slope adapts automatically to external fault conditions, providing fast, sensitive, dependable, and secure differential protection, even for CT saturation and heavily distorted waveforms. Multiple Synchrophasor Data Channels. System-wide monitoring is available through as many as 24 synchrophasor data channels. Record and store up to 120 seconds of IEEE C37.118 binary synchrophasor data. Restricted Earth Fault Protection. Three independent REF elements provide sensitive protection for faults close to the winding neutral in grounded wye-connected. Software pembagi jaringan wifi terbaik. ► Time-Domain Link (TiDL) Technology.

The relay supports remote data acquisition through use of the SEL-2240 Axion®. The Axion provides remote analog and digital data over an IEC 61158 EtherCAT® TiDL network.

This technology provides very low and deterministic latency over a fiber point-to-point architecture. The SEL-487E-3, -4 relay can receive fiber links from as many as eight Axion remote data acquisition nodes. Functional Overview 1 Copper or Fiber Optic * Optional Feature Figure 1 Functional Diagram Schweitzer Engineering Laboratories, Inc. High Voltage Transformer Differential Zone Tertiary Voltage Two-Winding Transformer Application Use the negative-sequence differential element for sensitive detection of interturn faults within the transformer winding. Phase, negative-, and zero-sequence overcurrent elements provide backup protection. Use breaker failure protection with subsidence detection to detect breaker failure and minimize system coordination times.

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