Siemens EF 73E Series Manual de usuario descargar pdf (Pagina 3)

7SR11 Argus

Overcurrent Relays

This overcurrent and earth fault protection relay has been

developed to enhance the Argus family of products by

providing a familiar product with an overcurrent function

package suitable for basic feeder applications.

Communication access to the relay functionality is via a

front USB port for local PC connection or rear electrical

RS485 port for remote connection.

Protection

46BC Broken Conductor / Load Unbalance

50 Instantaneous Overcurrent

50G/N Instantaneous Earth Fault

50BF Circuit Breaker Fail

51 Time Delayed Overcurrent/Derived Earth Fault

51G/N Time Delayed Measured/Derived Earth Fault

64H High Impedance REF

Supervision

60CTS CT Supervision

74T/CCS Trip & Close Circuit Supervision

Control

86 Lockout

Features

Four Settings Groups

Password Protection

User Programmable Logic

Self Monitoring

Circuit Breaker Trip and Maintenance Counter

Trip Timers

20 Character x 4 Line Backlit LCD

Menu Navigation Keys

9 User Programmable Tri-colour LEDs

User Language Configuration

Monitoring Functions

Primary/Secondary Current Phases and Earth

Direction

Hardware

4 CT 3 Binary Inputs 5 Binary Outputs

Data Storage and

Communication

Description

Front USB port + Rear RS485 port

Protocols - IEC60870-5-103, DNP3.0 or Modbus RTU

Event Records – User Configurable

Fault Records

Waveform Records

Measurands

Time Synchronism

Viewing and Changing Settings

Function Overview

Application

The Argus is a numerical overcurrent protection relay

intended for use on distribution and industrial networks.

It provides a basic overcurrent functional software

package aimed at reducing engineering time by reducing

complexity.

Functional Diagram

User Interface

Fig 1. Four Pole Overcurrent Relay

Siemens Protection Devices Limited 3

1 2 3 4 5 6 7 8 ... 15 16

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Siemens EF 73E Series Manual de usuario Pagina 3

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