ABB REG216 Digital Generator Protection System

7. Circuit breaker failure protection (50BF)

Support phase separation or three-phase current detection, with two independent delay stages (re trip and backup trip), and can be configured with remote trip function. The current setting range is 0.2~5In, and the action time is precise.

Hardware architecture and interface design

The hardware of REG216 is divided into two parts: process interface and electronic processing, both of which are installed in a standard 19 inch rack (6U height) and can be configured with up to 21 module positions.

Process interface module:

Input Transformer Component (216GW62): Provides CT/PT signal conditioning and electrical isolation, and can install up to 4 components (48 inputs).

Auxiliary relay components: including 216GD61a (8-way trip relay+16 way auxiliary relay+16 way optocoupler input), 216GE61 (16 way input relay), 216GA61 (16 way output relay), and 216GA62 (8-way trip relay, including surge suppression and economic circuit). These components achieve complete potential isolation of digital signals.

Electronic processing unit:

Processor Unit (216VC624): Based on the 80486DX-2 32-bit processor, software stored in Flash EPROM, data set stored in non-volatile memory, equipped with RS-423 interface for PC connection.

Analog input unit (216EA62): Supports 24 synchronous sampling channels, with 6 channels per group and a sampling rate of 600/720Hz.

Digital output unit (216AB61): controls the output auxiliary relay and has 32 outputs.

Trip output and binary input unit (216DB61): Provides 8 trip controls and 16 digital inputs, supporting external trip enable and lockout.

Auxiliary power supply unit (216NG6x): Input voltage range 36~312VDC, output 24VDC/150W, supports parallel redundancy.

The system connects various electronic units through parallel bus B448C (based on IEEE P896 draft) to achieve asynchronous data transmission and integrity verification.

Configuration, Debugging, and Maintenance

Users can configure REG216 using CAP2/316 software running on Windows NT/2000/XP systems. This software provides a graphical interface, supports online or offline programming, and has the following functions:

Parameter setting and saving: The fixed values, delays, and characteristic curves of all protection functions can be flexibly set and stored.

Real time monitoring: System measurement values (current, voltage, power, etc.), analog input waveforms, and digital input/output status can be viewed without triggering protective actions.

Event and waveform recording: The system has built-in event recording (256 records, timestamp resolution 1ms) and fault waveform recording function (up to 12 CT/VT channels, 16 binary channels), and waveform data can be analyzed through PSM505 software.

Testing function: Supports software simulation testing and external injection testing (such as using OMICRON tester) for easy debugging and regular calibration.

The system supports multiple redundant configurations, and users can choose from various architectures such as single system, single rack redundancy, and dual rack redundancy to ensure high availability for critical applications.

Technical Data Summary

Input circuit: rated current 1/2/5A, rated voltage 100/200V, frequency 50/60Hz, CT input load<0.2VA, PT input load<0.4VA.

Environment and electromagnetic compatibility: operating temperature -10 ° C~+55 ° C, storage temperature -40 ° C~+85 ° C, in compliance with multiple EMC and safety standards such as IEC 60255 and EN 61000.

Insulation and withstand voltage: Power frequency withstand voltage of 2kV/1min, impulse voltage of 5kV (1.2/50 μ s), insulation resistance>100M Ω.

Mechanical structure: Adopting ABB RESP standard cabinet, size 800 × 800 × 2200mm, weight 200~400kg.

Ordering and Configuration Guide

When ordering REG216, it is necessary to specify the system variants (such as M1~M25), rated parameters (current, voltage), input transformer configuration (CT/PT quantity and type), power supply voltage, communication protocol, etc. ABB provides a detailed questionnaire (1MRB520026-Ken) to assist users in completing customized configurations. The system supports various predefined configurations ranging from simple single systems to fully redundant dual systems, meeting the needs of power plants of different scales.

1SVR011718R2500
216EA62 1MRB150083R1/F1MRB178066R1/F
3BHE023784R1023 PP D113 B01-10-150000
3BHE050077R0102 UNS0881b-PV2
500AIM02 1MRB150022 R0002 1HDF 930412 X010
500AIM02 1MRB150022 R0002Y 1HDF 930412 X010
500AIM02 1MRB150022R001 1HDF 930412 X010
500BIM01 1MRB150024R0002
500BIM01 1MRB160024R0002
500BI001 1MRB150005R0001 1MRB200060/E
500BI001 1MRB150005R1/J
500BOM01 1MRB150023R0002
500CIM05 1MRB150077R1/B
500CMP04 HE401314/0001 1MRB150051R1