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Thytronic NA016 - User Manual

Thytronic NA016
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NA016 - Manual - 05 - 2022
MANUAL
NA016
PHASE & RESIDUAL OVERCURRENT
PROTECTION RELAY

Table of Contents

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Thytronic NA016 Specifications

General IconGeneral
MountingDIN rail mount
Coil Voltage24-230VAC/DC
Mechanical Life10, 000, 000 operations
Electrical Life100, 000 operations at rated load
Insulation Resistance100 MΩ min at 500V DC

Summary

Introduction and Safety Recommendations

Safety Recommendations

Warnings and cautions for safe installation and operation of the device.

General Device Information

Preface

NA016 relay used in radial networks for feeder or power transformer protection.

Main Features of NA016 Relay

Key constructive and operating features of the NA016 relay.

Technical Data of NA016 Relay

General Technical Data

Mechanical data, insulation, EMC immunity, and voltage dip/interruption tests.

Input and Output Circuits

Details on phase, residual, binary input circuits and output relays.

Communication Interfaces

Local and remote port specifications including connection and protocol.

Protective Elements Settings

Settings for phase overcurrent (50/51) and residual overcurrent (50N/51N) elements.

Control and Monitoring Functions

Trip circuit supervision, circuit breaker monitoring, and oscillography.

Function Characteristics of NA016 Relay

Hardware Description

Overview of the relay's hardware components: power supply, CPU, input, and MMI.

Software Description

Details on kernel, drivers, application, and communication software modules.

I;O Description

Metering inputs, signal processing, and use of measured values.

Protective Elements

Rated values for CTs/LPCTs and settings for protection elements.

Control and Monitoring

Trip circuit supervision, circuit breaker supervision, and test functions.

Measures, Logic States, and Counters

Fault Recording (SFR)

Triggering and stored information for fault records, including causes and currents.

Event Recording

Triggering and stored information for events like power up/down, setting changes.

Self-Test Functionality

Classifies and indicates operational anomalies (minor, major, fatal).

Digital Fault Recorder (DFR) Setup

Setting pre-trigger time, channels, and recording format for oscillography.

Installation Procedures for NA016 Relay

Mounting Methods

Procedures for flush and rack mounting the device.

Electrical Connections

Guidelines for making electrical connections, including safety precautions.

Core Balanced CT Installation

Proper installation of current balance transformers for residual current measurement.

Earthing and CT Input Connections

Requirements for protective ground and CT/LPCT input connections.

RS485 Port Connection

Instructions for making RS485 connections using screened twisted pair cable.

Programming and Settings for NA016

ThyVisor Software Installation

Procedure for downloading and installing the ThyVisor software.

MMI Settings Modification

How to modify parameters using the MMI interface.

Communication Settings

Adjusting serial communication port settings for RS485 Modbus and IEC60870-5-103.

Default Settings Restoration

Procedure to restore factory default settings for configuration data.

Menu Tree Navigation

Overview of the menu structure for reading and setting parameters.

Appendices for NA016 Relay

Inverse Time IEC Curves

Mathematical formulas and characteristic curves for inverse time elements.

I;O Diagram

Diagrams showing input/output connections for different input types.

Interface Connections

Diagram illustrating RS232 and RS485 interface connections.

Dimensions and Labels

Physical dimensions, cutout details, identification labels, and LEDs.

EC Declaration of Conformity

Declaration of conformity with EC directives and applicable standards.

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