Date Code 20001006
Setting the Relay
i
SEL
-
351 Instruction Manual
TABLE OF CONTENTS
SECTION 9: SETTING THE RELAY ......................................................... 9-1
Introduction..............................................................................................................................9-1
Settings Changes via the Front Panel.........................................................................................9-1
Settings Changes via the Serial Port ..........................................................................................9-1
Time-Overcurrent Curves .........................................................................................................9-3
Relay Word Bits (Used in SEL
Control Equations) ..........................................................9-7
Identifier Labels ..............................................................................................................9-35
Current Transformer Ratios ............................................................................................9-36
Line Settings ...................................................................................................................9-36
Settings Sheets .......................................................................................................................9-37
Settings Sheets for the SEL-351 Relay ....................................................................................9-39
TABLES
SEL-351 Relay Models and Corresponding Relay Word Bit/TAR Command
Relay Word Bit Additions for SEL-351 Relay Model 0351xT, Firmware Versions 1
Relay Word Bit Differences in any SEL-351 Relay Models 0351xT With Delta-
Connected Voltage Inputs as Compared to Table 9.4 and Table 9.5. ............................9-9
SEL-351 Relay Models 0351x0, 0351x1, and 0351xY Relay Word Bits............................9-9
Relay Word Bit Differences for SEL-351 Relay Model 0351x0, 0351x1, and
Relay Word Bit Differences in any SEL-351 Relay Models 0351x0, 0351x1, and
FIGURES
Summary of Contents for SEL-351
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