Detection of Earth Faults (PtG) and Short Circuit (PtP) Faults

Cable Indicators

CableTroll - Nortroll

They are installed on Ring Main Units in distribution substations. They are used to detect short circuit and earth faults, and can be installed on most types of cable terminations. Some units will give separate indications for short circuit and earth faults, locally by flashing diodes and remotely through separate relay contacts or additional ComTroll communications modules.

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Detector of Earth Faults on Multi/Single-Core Terminations

CableTroll 2310 - Nortroll

CableTroll 2310 is an indicator for detection of earth faults (PtG) on multi-core and single core cable terminations. The unit uses NorTroll type current sensor (CT)

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Detector of Earth Faults on Multi/Single-Core Terminations

CableTroll 2320 - Nortroll

CableTroll 2320 is an indicator for detection of Earth faults (PtG) and short circuit (PtP) faults on multi-core and single core cable terminations. The unit uses NorTroll type current sensors.

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Detection of PtG and PtP Faults on Multi and Single Core Cables

CableTroll 2350 - Nortroll

CableTroll 2350 is an indicator for detection of PtG and PtP faults on multi and single core cables. The unit uses standard type current transformers. (40:1, 60:1 or 3x500:1)

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Detection of Earth Faults (PtG) and Short Circuit (PtP) Faults

Topics

Cable Indicators

Detector of Earth Faults on Multi/Single-Core Terminations

Detector of Earth Faults on Multi/Single-Core Terminations

Detection of PtG and PtP Faults on Multi and Single Core Cables