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1BGENERAL DESCRIPTION
INTRODUCTION
Chapter 1. INTRODUCTION
1.1. GENERAL DESCRIPTION
The smART P500 protection relay is a DSP based distribution lines relay that can be used
as a basic element for the protection, control and measurement of medium voltage
electrical networks. Protection, measurement and waveform functions are added among
other features. The settings for the different functions can be changed using the proART®
software or the buttons on the front panel.
1.2. GENERAL FUNCTIONS
The relay performs a collection of functions that can be classified in the following areas:
Protection
Control
Metering
Load profile
Waveform registration
Fault records
Event records
Self diagnosis
The mentioned functions will be briefly described in the following section:
1.2.1. PROTECTION FUNCTIONS
The smART P500 relay offers the following protection functions:
Two levels of:
Instantaneous or Definite Time Phase Overcurrent (3x50/3x50DT)
Summary of Contents for smART P500
Page 1: ...Instruction Manual Multifunction Protection Relay smART P500...
Page 23: ...2BTABLES INDEX THIS PAGE HAS BEEN LEFT BLANK INTENTIONALLY...
Page 39: ...5BHARDWARE FEATURES INTRODUCTION Figure 1 9 Wye Wye Connection measured neutral...
Page 40: ...5BHARDWARE FEATURES INTRODUCTION Figure 1 10 Wye Wye Connection sensitive neutral...
Page 41: ...5BHARDWARE FEATURES INTRODUCTION Figure 1 11 Open Delta Connection measured neutral...
Page 42: ...5BHARDWARE FEATURES INTRODUCTION Figure 1 12 Open Delta Connection sensitive neutral...
Page 511: ...2BANSI CURVES 0BCURVES FOR TIME CHARACTERISTICS Figure I 6 Moderately ANSI curve...
Page 513: ...2BANSI CURVES 0BCURVES FOR TIME CHARACTERISTICS Figure I 7 Very inverse ANSI curve...
Page 515: ...2BANSI CURVES 0BCURVES FOR TIME CHARACTERISTICS Figure I 8 Extremely inverse ANSI curve...
Page 532: ...4BRECLOSER CURVES 0BCURVES FOR TIME CHARACTERISTICS Figure I 14 Recloser Curves 101 119...
Page 535: ...4BRECLOSER CURVES 0BCURVES FOR TIME CHARACTERISTICS Figure I 15 Recloser Curves 120 142...
Page 538: ...4BRECLOSER CURVES 0BCURVES FOR TIME CHARACTERISTICS Figure I 16 Recloser Curves 151 202...