ERP Aplicação de Relês de Proteção

5.6.2.- SISTEMAS DE PROTEÇÃO
PROTECTION RELAYS TEST APPLICATION - ERP

SISTEMAS INOVADORES

The Protection Relays Test Aplication, "ERP", is one of the most advanced and safe equipment in the market for studying the operation of protection relays used in real electrical substations.

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Descrição Geral

Electrical protection systems play an important role within power systems. Nowadays it is unthinkable a national grid without advanced and coordinated protection relays. Protection relays are essential to protect electrical and electronic devices, transmission lines, power stations, etc. which form the whole electrical system.

There are a great variety of protection relays in the industry: overcurrent protection relays, over/under frequency protection relays, over/ under voltage protection relay, distance protection relay, directional/non-directional protection relay, feeder management protection relay, etc. However it is necessary a great amount of knowledge to understand how configure and manage these types of protection relays.

The Protection Relays Test Aplication, "ERP", is one of the most advanced and safe equipment in the market for studying the operation of protection relays used in real electrical substations. This equipment provides students, professors and researchers with the necessary knowledge and experience in the field of high voltage protection and cyber security relays.

This application can be acquired in two ways:

  • As a complete application, under the reference "ERP", which includes all the protection relays and accessories mentioned in this catalog.
  • As a modular equipment, under the reference "ERP-UB", which includes exclusively the references "AE1" and "ERP-MF", being required, at least one, the protection relays exposed in this catalog for the realization of the practical exercises.

The Protection Relays Base Unit, "ERP-UB", is the main element where electrical tests and interconnections are carried out.

EXERCÍCIOS E PRÁTICAS GUIADAS

EXERCÍCIOS PRÁTICOS GUIADOS INCLUÍDOS NO MANUAL

Practical possibilities with Overcurrent and Earth Fault Protection Relay Module (ERP-SFT):

  1. Verification of Overcurrent Protection functionality.
  2. Verification of Phase Overcurrent Elements.
  3. Verification of Residual Ground Overcurrent Elements.

Practical possibilities with Directional/Non Directional Overcurrent Protection Relay Module (ERP-SDND):

  1. Verification of Directional Protection functionality.
  2. Directional Protection with different measurement circuit conditions.
  3. Directional Protection application to Transmission Line under different load conditions.

Practical possibilities with Differential Protection Relay Module (ERP-PDF):

  1. Verification of Differential Protection functionality.
  2. Transformer Differential Protection with Variable TAP’s voltage regulation.
  3. Transformer Differential Protection with different transformer connections.

Practical possibilities with Feeders Management Relay Module (ERP-MA):

  1. Verification of the Feeder Management Relay functionality.
  2. Phase Overcurrent Element of the Feeder Management Relay.
  3. 12.- Residual Ground Overcurrent Element of the Feeder Management Relay.
  4. Overvoltage Element of the Feeder Management Relay.

Practical possibilities with Distance Protection Relay Module (ERP-PD):

  1. Verification of Line Distance Protection functionality.
  2. Line Distance Protection with different measurement circuit conditions.
  3. Line Distance Protection with different Line Loads conditions.

Practical possibilities with Cybersecurity Application (ERP-CBM):

  1. Accessing the cybersecurity protection relay web server.
  2. Creating administrator accounts.
  3. Configuration of the hierarchical communication cybersecurity system between the protection relays using the ACSelerator software.
  4. Creation of users, groups and permissions.
  5. Configuration of the cybersecurity relay communication ports.
  6. Creating communications between different protection relays and the cybersecurity relay.
  7. Creating user passwords with different access levels.

Practical possibilities with Motor-Generator with Protection Relays and Automatic Regulation (ERP-GMGPT):

  1. Island operation with automatic control of the generator-motor group.
  2. Automatic synchronization of the generator with the grid.
  1. Display and control of active power curve during synchronization with the toolkit software.
  2. Display and control of active and reactive power curves during synchronization with the toolkit software.
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EXERCÍCIOS MAIS PRÁTICOS A SEREM FEITOS COM A UNIDADE

Additional practical possibilities with Overcurrent and Earth Fault Protection Relay Module (ERP-SFT):

  1. Verification of Phase Instantaneous Overcurrent Protection.
  2. Verification of Phase Time-Overcurrent Protection.
  3. Verification of Neutral Ground Instantaneous Overcurrent Protection.
  4. Verification of Neutral Ground Time-Overcurrent Protection.
  5. Verification of Residual Ground Instantaneous Overcurrent Protection.
  6. Verification of Residual Ground Time-Overcurrent Protection.
  7. Verification of Current Transformer Measurement accuracy.
  8. Power Transformer Overcurrent Protection.
  9. Power Transmission Line Overcurrent Protection.
  10. Load Feeder Overcurrent Protection.
  11. Distribution System Overcurrent Protection.
  12. Power Transmission System Overcurrent Protection.

Additional practical possibilities with Directional/Non Directional Overcurrent Protection Relay Module (ERP-SDND):

  1. Forward Directional Protection.
  2. Reverse Directional Protection.
  3. Non-Directional Overcurrent Protection.
  4. Residual Ground Time-Overcurrent Protection.
  5. Residual Ground Instantaneous Overcurrent Protection.
  6. Verification of Cable Undervoltage Protection.
  7. Verification of Cable Overvoltage Protection.
  8. Verification of Current Transformers Measurements accuracy.
  9. Verification of Voltage Transformers Measurements accuracy.
  10. Distribution System Directional Protection.

Additional practical possibilities with Differential Protection Relay Module (ERP-PDF):

  1. Verification of Phase Instantaneous Overcurrent Protection for Winding 1.
  2. Verification of Phase Definite Time-Overcurrent Protection for Winding 1.
  3. Verification of Phase Inverse Time-Overcurrent Protection for Winding 1.
  4. Verification of Phase Instantaneous Overcurrent Protection for Winding 2.
  5. Verification of Phase Definite Time-Overcurrent Protection for Winding 2.
  6. Verification of Phase Inverse Time-Overcurrent Protection for Winding 2.
  7. Verification of Current Transformers Measurement accuracy.
  8. Power Transformer Overcurrent Protection.
  9. Distribution Substation Bus-Bar Differential Protection.
  10. Transmission Substation Bus-Bar Differential Protection.
  11. Analysis of Event Reports and Human Machine Interface.

Additional practical possibilities with Feeders Management Relay Module (ERP-MA):

  1. Undervoltage Element of the Feeder Management Relay.
  2. Verification of Phase Instantaneous Overcurrent Protection.
  3. Verification of Phase Time-Overcurrent Protection.
  4. Verification of Residual Overcurrent Element.
  5. Verification of Residual Time-Overcurrent Element.
  6. Verification of Neutral Overcurrent Element.
  7. Verification of Overfrequency Protection Element.
  8. Verification of Underfrequency Protection Element.
  9. Verification of Positive (forward) Power Flow Protection Element.
  10. Verification of Negative (reverse) Power Flow Protection Element.
  11. Protection of Distribution Feeder Example.
  12. Protection of Overhead Transmission Line Example.

Additional practical possibilities with Distance Protection Relay Module (ERP-PD):

  1. Verification of Phase Instantaneous Overcurrent Element.
  2. Verification of Ground Instantaneous Overcurrent Element.
  3. Verification of Phase Time-Overcurrent Protection Element.
  4. Verification of Ground Time-Overcurrent Protection Element.
  5. Verification of Current Transformer Measurement accuracy.
  6. Verification of Current Transformers Connection Diagram.
  7. Verification of Voltage Transformers Measurement Accuracy and Connection Diagram for Distance Protection.
  8. Overhead Transmission Line Parameters Estimation for Distance Protection.
  9. Overhead Transmission Line Distance Protection.
  10. Distance Protection Event Reports Analysis.
  11. Distance Protection Relay Human Machine Interface.
  12. Distance Protection Relay Configuration.
  13. Distance Protection of Simple Power System Example.

Additional practical possibilities with Cybersecurity Application (ERP-CBM):

  1. Resetting the protection relay to set up the communication system from scratch.
  2. Simulation of cyber attack.
  3. Creation of encrypted communication between the cybersecurity relay and the differential protection relay.
  4. Creation of encrypted communication between the cybersecurity relay and the overcurrent protection relay.
  5. Creation of encrypted communication between the cybersecurity relay and the distance protection relay.
  6. Creation of encrypted communication between the cybersecurity relay and the directional protection relay.
  7. Creation of encrypted communication between the cybersecurity relay and the feeder management relay.

Additional practical possibilities with Motor-Generator with Protection Relays and Automatic Regulation (ERP-GMGPT):

  1. Working of motor protection switch.
  2. Motor protection relay.
  3. Thermistor protection.
  4. Investigation of time overcurrent protection.
  5. Unbalanced load protection.
  6. Reverse power protection.
  7. Overvoltage and undervoltage protection.
  8. Stator earth-fault protection.
  9. Generator differential protection (optional with ERP-PDF).
  10. Rotor earth-fault protection.

Several other exercises can be done and designed by the user.

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