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Power electronics and communications company, Measuring monitor, Control and Communication products
General
When installed on branches of distribution lines under 22.9kV-y, DLFD detects abnormal electric currents such as short circuits or ground relay, and indicates (signal) the status and position of fault branch with visual and audio signals.
Features
• Visual and audio signals that are effective during day or night
• Easy to install and maintain
• Self charging without extra power source(uses electrical power induced by electric current load)
• Uses 22.9kV electric distribution line
• Compatible with DAS(Distribution Automation System)
Specification
• Line voltage : 22.9kV
• Abnormal electric current : 0~400[A] setting possible
• Operational time : 30min, 1,2,4 hours
• Return method : Automatic
• Detection time : approx. 20~25ms
• Operational frequency : 60Hz
• Brightness of signal : Above 800mcd or 0.8Lux
• Sound-level of signal : Above 70dB