Digital Output Unit 216AB61

– 32 outputs for controlling relays that output auxiliary relay assemblies

– Short-circuit proof

– Front panel LEDs to indicate activated relays

– Space required: one rack partition.

Auxiliary DC power supply units 216NG61. 216NG62 and 216NG63

– Models for 36 to 312 VDC inputs

– Output 24 VDC, 150 watts

– Short circuit and overload protected outputs

– Parallel connection for higher ratings

– Parallel connection for redundancy (2 outputs)

– Space required: 3 rack partitions.

All protection functions of the REG216 operate on sampled primary system voltage and current.

The analog input unit has a sampling rate of 12 times per cycle and

a dynamic range of 15 bits at the rated power system frequency.

All further signal processing is performed digitally.

As a result, the protection functions are universally applicable, highly accurate and have excellent long-

term stability.

Digital filters effectively suppress DC components and harmonics to avoid interference.

The trip logic of the internal protection functions (earlier diode matrix) is controlled by software in the

REG216.

Processing unit 216VC62a

– 32-bit processor type 80486DX-2

– Application software in Flash EPROM

– Run data stored in RAM

– Settings on non-volatile flash EPROMs

– Potential-free RS-423 interface for PC operation

– Connection to control station via message transmission

– Time clock synchronization for time stamping of events

– Non-volatile event and disturbance memory (gold capacitor buffer)

– Space required: two racks

Analog input unit 216EA62

– 24 inputs sampled simultaneously, 6 per group

– Sampling frequency 600 (720) Hz, power supply frequency 50 (60) Hz

– Space required: two rack partitions.

Digital Output Unit 216AB61

– 32 outputs for controlling relays that output auxiliary relay assemblies

– Short-circuit proof

– Front panel LEDs to indicate activated relays

– Space required: one rack partition.

Parallel bus and electronics unit

The electronics units are of plug-in design and are mounted in equipment racks

with a standard size of 19 inches 6U (1U = 44.45 mm).

This rack can be divided into 21 standard partitions.

The data exchange via the parallel bus B448C is controlled and monitored by all available devices.

The protection system is based on a data bus with digital signal processing for most functions;

signal conditioning, analog and digital inputs, A/D conversion, processing and signal output.

The components of the system include

– Static plug-in units, which exchange data via a powerful parallel bus

– Interfaces to the process (main system, station equipment), isolated from the digital processing unit.

Device rack 216MB66/216MB68 and parallel bus B448C

The main features of the parallel bus B448C are

– Specification based on IEEE P 896 (Future Bus)

– Time multiplexing of address and data (16 bits)

– Asynchronous data transfer with handshaking

– Integrity check for each data exchange

– Up to 32 masters with the same status actively access the bus

– Internal 24 V auxiliary power supply common to all electronics units;

redundant 24 V power supplies are available.

Requirements

To ensure correct and safe operation of the relays, it is recommended that preventive

maintenance be carried out every five years on relays operating under specified conditions;

See table 4.1.-1 and section 5.2.4. Technical Data.

When used for real-time clock or logging data functions, the batteries should be replaced every five years.

Configuration

By appropriately configuring the output contact matrix, signals from the protection

level can be used as contact functions. The start signals can be used for

for blocking cooperating relays and for signaling.

The following figure shows the default configuration of the relay:

all trip signals are routed to trip the circuit breaker.

In the first example in Figure 4.2.-1. the residual current is measured by

the iron core balancing current transformer and the output contacts are

connected to enable the automatic reclosing function.

In the second example in Figure 4.2.-2. the residual current is measured through

the trimming connection of the phase current transformer and the output contacts are connected

to enable the trip lockout function with an external reset switch.

Applications

The REF610 is a multifunctional relay designed primarily for the protection

of incoming and outgoing lines in medium voltage distribution substations.

In industrial and utility applications, the relay can also be used as backup

protection for motors, transformers and generators.

The relay incorporates a number of protection features including three levels of overcurrent protection,

two levels of non-directional ground fault protection and thermal protection to

provide comprehensive overcurrent and ground fault protection.

An optional arc protection function can be used to detect arcing conditions in air-insulated metal-clad

switchgear,and an automatic reclosing function can be used to automatically clear overhead line faults.

These features further expand the range of applications for the relays.

The large number of digital input and output contacts allows a wide range of applications.

The following figure shows the default configuration of the relay:

all trip signals are routed to trip the circuit breaker.

In the first example in Figure 4.2.-1. the residual current is measured by

the iron core balancing current transformer and the output contacts are

connected to enable the automatic reclosing function.

Feeder protection relays

Technical Reference Manual

* Multiple language support

* User-selectable password protection for the HMI

* Display of primary current value

* Demand value

* All settings can be modified via PC

* Optical front communication connection: wireless or cable

* Optional rear communication module with plastic fiber optic, combined fiber optic (plastic and glass) or

RS-4 connection.

(Optional rear communication module with plastic fiber optics, combined fiber optics (plastic and glass)

or RS-485 connection for use with the

SPA bus, IEC 60870-5-103. or Modbus (RTU and ASCII) communication protocols for system

communication.

* Optional DNP 3.0 rear communication module with RS-485 connection for system communication using

DNP 3.0 communication protocols

* Battery backup for real-time clock

* Battery charge monitoring

* Continuous self-monitoring of electronics and software

* Removable plug-in unit

Feeder protection relays

Technical Reference Manual

REF610 1MRS755310* Two galvanically isolated digital inputs and three additional galvanically isolated

digital inputs on the optional I/O module.

Two galvanically isolated digital inputs and three additional galvanically isolated digital inputs on optional

I/O modules

* Interference logger:

* Recording time up to 80 seconds.

* Triggered by one or more internal or digital input signals

* Records four analog channels and up to eight user-selectable digital channels

* Adjustable sampling rate

* Non-volatile memory for

* Up to 100 time-stamped event codes

* Set values

* Interference logger data

* Time-stamped logging data for the last five events

* Number of AR shots and protection phase starts/trips

* Operating indication messages and LEDs showing status in case of power failure

* HMI with alphanumeric LCD and navigation buttons

* Eight programmable LEDs

The REF620 is a member of the 620 Protection, Measurement and

Control product family within the ABB Relion® product family.

Key benefits

Protection, control, monitoring and management integrated in a single relay provides

a compact and versatile solution for public and industrial power distribution systems

Wide range of protection and control functions, either with sensors or conventional CTs and PTs

Functional scalability and wide range of applications allow users to easily

customize configuration applications to meet specific requirements

Pluggable design for quick installation and testing

Large LCD screen with single-line graphic display, accessible locally

or via an easy-to-connect and navigate HMI Thoughtful product lifecycle service

Key Features

Wide range of protection and control functions for incoming or outgoing applications

Multi-frequency conductive earth protection package with high sensitivity and selectivity

State-of-the-art, fast short-circuit and earth fault localization

Several optional function packages – for distributed generation, capacitors, basic motor and arc-light protection

Supports IEC61850 Version 1 and Version 2. including redundant HSR and PRP, GOOSE and IEC61850-9-2

Supports Modbus, DNP3. IEC 60870-5-103 communication protocols and different time

synchronization methods, including IEEE 1588 v2 precision time protocols