TABLE OF CONTENTS
viii MTS-1700 SERIES OPERATION AND REFERENCE MANUAL
MANTA TEST SYSTEMS
CU A002 15A
5.2.6
Effects on other Operations .....................................................................5-9
5.2.7
Clearing Ramp and Duration Settings .....................................................5-9
5.2.8
Programming Durations...........................................................................5-10
5.2.9
Example Applications of Ramp and Fault Duration Features .................5-10
5.3
TIMER CONTROL .......................................................................................5-12
5.3.1
Internal Start Timer Mode .......................................................................5-12
5.3.2
External Start Timer Mode ......................................................................5-13
5.4
FAULT INCIDENCE ANGLE CONTROL..................................................5-16
5.5
SYNCHRONIZING MODE..........................................................................5-17
5.5.1
Operation .................................................................................................5-17
5.5.2
Phase Measurement in Synchronizing Mode...........................................5-17
5.5.3
Measurement of Circuit Breaker Advance Time .....................................5-17
5.6
PHASE SEQUENCE .....................................................................................5-18
5.7
DYNAMIC MEASUREMENT MODE ........................................................5-18
5.8
DEFAULT SETTINGS .................................................................................5-19
5.8.1
Restoring Default Settings .......................................................................5-19
5.8.2
Primary Default Settings..........................................................................5-19
5.8.3
Other Default Settings .............................................................................5-20
5.9
WARNING TONE ........................................................................................5-20
5.10
DISPLAY CONTROL FEATURES .............................................................5-20
5.10.1
Default Mode Display..............................................................................5-20
5.10.2
Multiple Readings Display ......................................................................5-21
5.10.3
Ratio Display Modes ...............................................................................5-21
5.10.3.1
IMPEDANCE DISPLAYS...... ..........................................................5-21
5.10.3.1.1
Z1 gnd display .............................................................................5-21
5.10.3.1.2
Automatic impedance display selection ......................................5-23
5.10.3.1.3
Automatic resistance display selection ........................................5-23
5.10.3.1.4
Automatic reactance display selection.........................................5-23
5.10.3.2
CURRENT RATIO DISPLAY..........................................................5-24
5.10.3.3
PERCENT SLOPE DISPLAY...........................................................5-24
5.10.3.3.1
|I1-I2
|
÷((I1+I2)÷2) formula..........................................................5-24
5.10.3.3.2
I2÷((2I1+I2)÷2) formula..............................................................5-24
5.10.3.4
I1 & I2 CT TAPS FOR CURRENT RATIO DISPLAYS... ..............5-25
5.10.3.5
VOLTS-PER-HERTZ RATIO DISPLAY.........................................5-25
5.10.4
Power Display Modes ..............................................................................5-25
5.11
ADVANCED POSTFAULT FEATURES ....................................................5-25
5.11.1
Breaker Time ...........................................................................................5-25
5.11.2
Auto-Reclose Simulation .........................................................................5-25
5.11.2.1
AUTO-RECLOSE TIME DELAY... .................................................5-25
5.11.2.2
RECLOSE INTO FAULT.... .............................................................5-26
5.11.3
Trip Type .................................................................................................5-27
5.11.4
PT location ..............................................................................................5-28
5.11.5
Examples..................................................................................................5-29
5.12
PHASE ADJUSTMENT MODE...................................................................5-30
5.12.1
Normal Phase Adjustment Mode .............................................................5-30
5.12.2
Individual Phase Adjustment Modes .......................................................5-31