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SIFANG CSC-161 - User Manual

SIFANG CSC-161
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CSC-161
Line Protection IED
Product Guide
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Summary

Overview of CSC-161 Line Protection IED

Key Features of CSC-161 Protection IED

Comprehensive Protection and Monitoring

Features a wide functional library, user configuration, and expandable hardware for protection and monitoring tasks.

High-Reliability Design Elements

Utilizes redundant A/D sampling channels to guarantee high security and reliability of the IED.

Advanced Tripping and Reclosing Capabilities

Supports three tripping/reclosing functions, including sensitive startup elements for accurate fault detection.

Phase Selection and Directional Logic

Employs multiple phase selectors and directional elements for precise fault determination and directionality.

Integrated Protection Function Library

Includes a comprehensive library of protection functions, such as distance protection and power swing detection.

Information Recording and Remote Communication

Features extensive IED information recording and supports remote communication capabilities.

Functions of the Protection IED

Protection Functions Overview

Details various protection functions like distance, overcurrent, and earth fault protection with ANSI/IEC codes.

Monitoring Functions

Lists monitoring functions including self-supervision, fault locator, and secondary system supervision.

Station Communication Functions

Describes communication functions for connecting with substation automation systems.

Protection Schemes and Elements

Startup Elements for Fault Detection

Explains startup elements like sudden-change current and low-voltage elements for sensitive fault detection.

Phase Selector Functions

Details phase selectors based on current changes, symmetrical components, and low voltage for fault determination.

Directional Element Principles

Describes memory voltage, zero sequence, negative sequence, and impedance directional elements.

Distance Protection (ANSI 21, 21 N)

Covers five-zone distance protection with quadrilateral characteristics and extended zones.

Overcurrent Protection (ANSI 50, 51, 67)

Details overcurrent protection features including definite time, inverse time, and inrush restraint.

Earth Fault Protection (ANSI 50 N, 51 N, 67 N)

Explains earth fault protection with directional elements, inrush restraint, and supervision functions.

Synchro-check and Energizing Check (ANSI 25)

Ensures safe network synchronization and energizing based on voltage and frequency parameters.

Auto-Reclosing (ANSI 79)

Manages automatic reclosing attempts after faults, including shot settings and supervision.

Monitoring Functions and Diagnostics

Phase Sequence and Polarity Supervision

Monitors phase sequence and polarity of voltage/current for correct secondary circuit connection.

Harmonic and CB Status Monitoring

Supervises third harmonic voltage and circuit breaker auxiliary contacts for system health.

Broken Conductor and Self-Supervision

Detects broken conductors and performs self-supervision of hardware and software for IED integrity.

Fault Locator Functionality

Provides impedance-based fault location in kilometers after IED tripping.

Communication Interfaces and Protocols

Station Communication Overview

Enables connection to substation systems via supported communication ports and protocols.

Front and Rear Communication Ports

Details RS232, RS485, and Ethernet ports for PC connection and substation automation.

Remote Communication Channels

Supports fiber-optical and digital communication channels for tele-protection schemes and data transfer.

Time Synchronization Methods

Provides IRIG-B, pulse, and SNTP time synchronization for accurate event logging.

Software Tool for IED Management

User-Friendly Engineering Software

Software for engineering, setting, disturbance analysis, and monitoring with graphical visualization.

Hardware Components and Design

Front and Rear Panel Layout

Details the front plate controls and rear plate connection terminals of the protection IED.

Description of IED Modules

Explains the function of Analogue Input, CPU, Communication, Binary Input/Output, and Power Supply modules.

IED Dimensions and Mounting

Provides case dimensions and panel cut-out specifications for IED installation.

Connection Diagrams for Protection IED

Typical Rear Terminal Diagram

Illustrates the wiring of rear terminal blocks for power, communication, and I/O signals.

Analogue Input Connections

Shows analogue input connections for various breaker arrangements like single, double, and one-and-a-half breaker.

Technical Data and Specifications

General Electrical and Environmental Specifications

Includes frequency, transformer ratings, auxiliary voltage, and environmental operating conditions.

Input;Output and Communication Data

Details specifications for binary inputs/outputs, communication ports, and speeds.

Product Safety and Immunity Test Results

Presents data from product safety tests, electromagnetic immunity, and environmental tests.

Protection Function Technical Parameters

Provides detailed range, value, and tolerance for key protection functions like distance and overcurrent.

Ordering Information and Codes

Pre-configured Scheme Options

Lists pre-configure schemes (M01, M02, M03) for different applications and busbar arrangements.

Structure of the Ordering Code

Defines the modular ordering code structure for CSC-161, including HMI language and communication protocols.

Module Configuration Options

Details available options for Analogue Input, CPU, Communication, Binary Input/Output, and Power Supply modules.

SIFANG CSC-161 Specifications

General IconGeneral
BrandSIFANG
ModelCSC-161
CategoryProtection Device
LanguageEnglish