SMC ROOTS - DT Mentor Software Distance Module

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Mentor Software Distance Module

SOTF (Switch On To Fault): This test module provides an easy method to evaluate the relay's performance in a SOTF situation by allowing trying various fault locations and occurrence times
Trip on Reclose: Test to evaluate the relay´s trip acceleration function during a reclose cycle. It also includes the option to verify the protection's return to normal operation after the TOR Action Time has elapsed
Zone 1 Extension Test: Evaluation of the relay performance when this clearing‐fault function is active, under various fault types and locations, as well as for diverse operation behavior by the remote protection. The test fault can be simulated at various locations on the protected line or at the nearest section of an adjacent line
Fuse Failure Test: This test module has been designed to allow the testing of the various features and settings in the Fuse Failure function implemented in digital relays
Verification Test: Impedance element evaluation without zone geometry. The process is similar to a Click sequence test, but no zone graphs are drawn

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SMC ROOTS - DT Mentor Software Distance Module

SOTF (Switch On To Fault): This test module provides an easy method to evaluate the relay's performance in a SOTF situation by allowing trying various fault locations and occurrence times
Trip on Reclose: Test to evaluate the relay´s trip acceleration function during a reclose cycle.
Verification Test: Impedance element evaluation without zone geometry

Distance test module is used to test all functions related to protection function IEEE number 21. It includes not only the tripping characteristic tests but also external scheme tests related to this protection function.

The module's functionality is distributed in the following sections:

Technical data: general parameters that affect all the tests contained in the Distance module, such as: Line data (line impedance, line angle, ground compensation factor), Impedance and Time Tolerance (both absolute and as a percentage), Transformer connection, and performance parameters of the specific distance relay mode
Distance Zones: Zones defined in the relay are listed grouped by single‐phase, phase‐to‐phase or three‐phase characteristics, which the user can activate, edit and adjust the operating time for each zone. Also, as standard key feature in ROOTS, the direct import of RIO files with relay characteristics and settings, reduces the data entry process to minor modifications. Graphical Characteristic Editor: ROOTS features an intuitive and powerful interactive graphical editor for geometrical definitions of protective characteristics and impedance zones. Lines and curves can be drawn in free hand mode and/or adjusted using numerical values and coordinates. The user can use MHO, Lens and Tomato characteristics shapes or create a customized characteristic as complex as desired.

Graphical Characteristic Editor: ROOTS features an intuitive and powerful interactive graphical editor for geometrical definitions of protective characteristics and impedance zones. Lines and curves can be drawn in free hand mode and/or adjusted using numerical values and coordinates. The user can use MHO, Lens and Tomato characteristics shapes or create a customized characteristic as complex as desired.