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> Directional Fault Sensing > Smart Tap

APPLICATION GUIDE

Fault location and load restoration in transmission networks.

Smart Tap

Fault Location in

Transmission Networks

Faults on tapped transmission lines can result in signicant outage times and customer dissatisfaction. Commonly used

substation based fault locating solutions for tapped transmission lines can be problematic when trying to locate the specic

line segment where the fault occurred. Using Smart Tap technology, the fault location information is reported through the

SCADA system allowing the system operator to determine which line segment has experienced the fault.

For momentary faults, the SCADA fault information can assist the crews in the location and elimination of the source

of the momentary fault. For permanent faults, the operator can isolate the faulted section and minimize outage times.

Information from each line tap provides an indicator of a fault and fault direction, it also provides deterministic information

to allow proper sectionalizing.

For example, in a transmission network with four taps, there are nine

possible sections where the fault could occur.

• Faulted section is not identied

• Trial and error approach required to clear fault

• For permanent faults, breakers are reclosed into fault to locate faulted

section

• The trial and error approach repeated until proper section is

identied

• Not possible to identify sections where momentary faults occur

KEY FEATURES

• Detects low current and over current faults

• Detects magnitude and direction of permanent and

momentary faults

• Works on looped transmission lines with radial load taps

• Does not require PTs to determine fault direction

• Direction indication points to faulted section

• Reports information to SCADA operator

• Can be congured for automatic operation

Smart Tap is an innovative new technology that correctly identies the faulted section for low current momentary

faults and over current permanent faults.

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Résumé du contenu

Page 1 - Smart Tap

> Directional Fault Sensing > Smart TapAPPLICATION GUIDEFault location and load restoration in transmission networks.Smart Tap ®Fault Locati

Page 2 - PERMANENT FAULT

APPLICATION GUIDE> Directional Fault Sensing > Smart TapLine fault between two taps. Smart Tap generates fault direction ags at each sensing po

Page 3 - APPLICATIONS

APPLICATION GUIDE> Directional Fault Sensing > Smart TapAPPLICATIONSSubstations and Switching StationsManual and RemoteControlled SwitchesCircui

Page 4 - SYSTEM INTEGRATION OPTIONS

APPLICATION GUIDE> Directional Fault Sensing > Smart TapSystem Integration OptionsThe inputs are from any current sensors capable of providing a

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Southern-states Smart Tap Manuel d'utilisateur

Naviguer en ligne ou télécharger Manuel d'utilisateur pour Matériel Southern-states Smart Tap. Southern States Smart Tap User Manual Manuel d'utilisatio

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