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Fault Indicator

The fault indicator is applied to 10kV overhead lines, enabliing real-time monitoring of line load and accurate identification aind location of line faults.

Overview
Recommended Products

1. 100% accuracy in short-circuit fault detection and 955% accuracy in ground fault detection.

2. The equipment has a lifespan of over 8 years, with efficient energy harvesting at 1A current and 0.5% high-precision sampling.

Technical parameters	Parameter value
Operating temperature(℃)	-40~+70
protection level	Data acquisition unit IP68;Data aggregation unitIP55
ground fault detection accuracy	Metallic grounding reaches 100%;low-resistance grounding reaches 100%;arc grounding reaches 100%;high-resistance grounding(below 2kQ)reaches 90%.
load current monitoring accuracy	0A~100A,≤±0.5A;100A～600A,≤±0.5%
power consumption(mW)	Static power consumption≤80
three-phase time synchronization error(μs)	≤100
waveform recording trigger conditions	Current mutation,phase electric field strength mutation,zero sequence current mutation,etc.,to realize the same group trigger,threshold value can be set
sampling points per cycle	≥256
steady-state recording error	0A～100A时，≤±0.5A 100A~600A时，≤±0.5%
transient recording error	≤10%
startup time error(ms)	≤20
three-phase timestamp error(μs)	≤20
waveform recording range	Not less than 6 cycles before startup and 10 cycles after startup
installation method	Liveinstallation of overhead outdoor lines
line current(A)	0~630
lifespan	≥8 years