Batt Sim Off / Batt Sim On:
This selection will turn the Battery Simulator On
and Off.
Test Menu:
This selection will return the controller to the
Test Menu Screen.
Main Menu:
This selection will return the controller to the
Main Menu:
Start / Stop:
This selection will apply the set quantities
displayed and begin the test. After Start is
pressed this button will turn red and display
Stop. Pressing Stop at any time will stop the
test and turn the outputs off.
3.8.2.5 Impedance Relay Test Timing Settings
This screen sets the values to perform the relay timing test.
Figure 35 Impedance Timing Test Setting Screen
•
The Pre-fault Settings button will move to its screen and will allow changes to the relay
specifications. If factory defaults are used, a one-time warning message should be displayed
to notify the factory default values are being used.
•
The Relay Settings button will move to its screen and allows changes to the relay
specifications.
•
The Timer Setup screen will define how the timer will be used.
•
The Fault type button determines the fault the test will perform. The accepted values are AG,
BG, CG, AB, BC, CA and ABC (Note: A, B, and C are the phases and G is ground).
•
The voltage and current generators may be enabled or disabled. The default condition has all
voltage and current generators enabled. This is indicated by a check mark in the channels
selection boxes. If the Voltage is held the Stop value is expressed in Amps. If the Current is
held the Stop value is expressed in Volts. The V/I Generators used in the MPRT- 8415 unit
have 15 amps / 150 volts RMS limit and the MPRT - 8430 unit have 30 Amps / 300 volts
RMS limit. The Stop value is the fault value for the test.
55
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