Currier Tech 650CD Series Manuel de service télécharger pdf (Page 16)

IEC 61850 / Function block

name

ANSI Function description

PPLPHIZ Phase preference logic

ZMRPSB 68 Power swing detection

ZCVPSOF Automatic switch onto fault logic, voltage-and current-based

ZGCPDIS 21G Underimpedance protection for generators and transformers

LEXPDIS 40 Loss of excitation

OOSPPAM 78 Out-of-step protection

LEPDIS Load enchroachment

Table 2: Backup protection functions

IEC 61850 / Function

block name

ANSI Function description

Current protection

PHPIOC 50 Instantaneous phase overcurrent protection

SPTPIOC 50 Instantaneous phase overcurrent protection

OC4PTOC 51/67 Four-step phase overcurrent protection

OC4SPTOC 51/67 Four-step phase overcurrent protection

EFPIOC 50N Instantaneous residual overcurrent protection

EF4PTOC 51N/67N Four-step directional residual overcurrent protection

SDEPSDE 67N Sensitive directional residual overcurrent and power protection

UC2PTUC 37 Time-delayed two-step undercurrent protection

LCPTTR 26 Thermal overload protection, one time constant, Celsius

LFPTTR 26 Thermal overload protection, one time constant, Fahrenheit

TRPTTR 49 Thermal overload protection, two time constants

CCRBRF 50BF Breaker failure protection

CSPRBRF 50BF Breaker failure protection

STBPTOC 50STB Stub protection

CCRPLD 52PD Pole discordance protection

BRCPTOC 46 Broken conductor check

GUPPDUP 37 Directional underpower protection

GOPPDOP 32 Directional overpower protection

DNSPTOC 46 Negative sequence-based overcurrent function

AEGGAPC 50AE Accidental energizing protection for synchronous generator

NS2PTOC 46I2 Negative-sequence time overcurrent protection for machines

VR2PVOC 51V Voltage-restrained time overcurrent protection

Table continues on next page

Section 1 1MRK 511 261-UUS A

Introduction

10 650 series ANSI

Engineering Manual

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Currier Tech 650CD Series Manuel de service Page 16