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Relion

620 series

Transformer Protection and Control

RET620

Product Guide

Table of Contents2
Description3
Default Configurations3
- Functionality Overview4
- Supported Functions5
Protections Functions9
The Protection of HV/MV, or an MV/MV Transformer with Low-Impedance EF on both Sides of Trafo10
Application10
Protection of HV/MV Trafo with Restricted EF Protection on Upper Side of Trafo11
Supported ABB Solutions11
Industrial Power System Example Using 620 Series Ieds, Grid Automation Controller COM600 and System 800Xa12
Control12
Measurement13
Disturbance Recorder13
Event Log13
Recorded Data13
Trip-Circuit Supervision13
Self-Supervision13
Access Control13
Inputs and Outputs14
Station Communication14
- Parallel Redundancy Protocol (PRP) Solution15
- High Availability Seamless Redundancy (HSR) Solution16
- Self-Healing Ethernet Ring Solution16
- Supported Station Communication Interfaces and Protocols17
- Energizing Inputs18
- Power Supply18
Technical Data18
- Electromagnetic Compatibility Tests23
- Environmental Tests25
- Product Safety25
- EMC Compliance25
- Rohs Compliance25
- Protection Functions26
- Three-Phase Non-Directional Overcurrent Protection (Phxptoc)26
- Three-Phase Non-Directional Overcurrent Protection (Phxptoc) Main Settings27
- Three-Phase Directional Overcurrent Protection (Dphxpdoc)27
- Three-Phase Directional Overcurrent Protection (Dphxpdoc) Main Settings28
- Non-Directional Earth-Fault Protection (Efxptoc)28
- Non-Directional Earth-Fault Protection (Efxptoc) Main Settings29
- Directional Earth-Fault Protection (Defxpdef)30
- Directional Earth-Fault Protection (Defxpdef) Main Settings31
- Negative Phase-Sequence Overcurrent Protection (NSPTOC)31
- Negative Phase-Sequence Overcurrent Protection (NSPTOC) Main Settings32
- Residual Overvoltage Protection (ROVPTOV)32
- Residual Overvoltage Protection (ROVPTOV) Main Settings32
- Three Phase Undervoltage Protection (PHPTUV)33
- Three-Phase Undervoltage Protection (PHPTUV) Main Settings33
- Three-Phase Overvoltage Protection (PHPTOV)33
- Three-Phase Overvoltage Protection (PHPTOV) Main Settings34
- Positive-Sequence Undervoltage Protection (PSPTUV)34
- Positive-Sequence Undervoltage Protection (PSPTUV) Main Settings34
- Overexcitation Protection (OEPVPH)35
- Negative-Sequence Overvoltage Protection (NSPTOV) Main Settings35
- Negative-Sequence Overvoltage Protection (NSPTOV)35
- Thermal Overload Protection, Two Time Constants (T2PTTR)36
- Thermal Overload for Protection, Two Time Constants (T2PTTR) Main Settings36
- Phase Undercurrent Protection (PHPTUC)36
- Phase Undercurrent Protection (PHPTUC) Main Settings36
- Transformer Differential Protection for Two-Winding Transformers (TR2PTDF)37
- Stabilized Differential Protection for Two-Winding Transformers (TR2PTDF) Main Settings37
- Numerical Stabilized Low Impedance Restricted Earth-Fault Protection (LREFPNDF)38
- Numerical Stabilized Low Impedance Restricted Earth-Fault Protection (LREFPNDF) Main Settings38
- High-Impedance Based Restricted Earth-Fault Protection (HREFPDIF)38
- High-Impedance Based Restricted Earth-Fault Protection (HREFPDIF) Main Settings38
- Arc Protection (ARCSARC)39
- Circuit Breaker Failure Protection (CCBRBRF) Main Settings39
- Circuit Breaker Failure Protection (CCBRBRF)39
- Arc Protection (ARCSARC) Main Settings40
- Multipurpose Protection (MAPGAPC)40
- Multipurpose Analog Protection (MAPGAPC) Main Settings40
- Operation Characteristics40
- Control Functions41
- Synchrocheck (SECRSYN)41
- Synchronism and Energizing Check (SECRSYN) Main Settings41
- Tap Changer Control with Voltage Regulator (OLATCC)42
- On-Load Tap Changer Control with Voltage Regulator (OLATCC) Main Settings43
- Load Shedding (LSHDPFRQ)44
- Load Shedding (LSHDPFRQ) Main Settings44
- Residual Current Measurement (RESCMMXU)45
- Three-Phase Current Measurement (CMMXU)45
- Current Sequence Components (CSMSQI)45
- Measurement Functions45
- Residual Voltage Measurement (RESVMMXU)46
- Three-Phase Power and Energy (PEMMXU)46
- Frequency Measurement (FMMXU)46
- Supervision Functions47
- Current Circuit Supervision (CCRDIF)47
- Current Circuit Supervision (CCRDIF) Main Settings47
- CT Secondary Circuit Supervision (CTSRCTF)47
- Example of the LHMI48
Local HMI48
Mounting Methods48
IED Case and IED Plug-In Unit49
Selection and Ordering Data50
- Cables52
- Mounting Accessories52
Accessories and Ordering Data52
Tools52
Connection Diagrams54
- Optional BIO0005 Module (Slot X105)55
- Optional BIO0007 Module for Fast Outputs (Slot X105)55
- Optional RTD0003 Module (Slot X105)55
References56
Functions, Codes and Symbols57
Document Revision History61

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ABB RET620 Specifications

General

Brand	ABB
Model	RET620
Category	Other
Language	English

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