Lightning protection

LLPD d24z

  • Protection against DLS, BFO
  • Highest voltage for equipment, kV 24
  • Maximum prospective fault current, kA 5.0
  • Lightning discharge capability, C 2.8
  • Installation 1, 2 or 3 pcs per pole
  • LLPD d24z — копия.png
  • LLPD d24z — копия.png


Specifications 

  • Highest voltage  for equipment, 24 kV
  • Protects from Direct Lightning Strike
  • Protects from Induced Overvoltage
  • Protects from Back Flashover
  • No maintenance is required

Parameters of product

Electrical line parameters

Highest voltage for equipment*, kV 24
Maximum prospective fault current, kA 5
External air gap, mm 60-80
50% flashover voltage, kV 140
Power frequency withstand voltage**,  kV (wet/dry) 40/50

Lightning parameters

    Lightning discharge capability  (200 μs)***, C 2.8
     High current impulse (4/10 μs), kA 65
     Maximum quenching lightning current,  kA 20  (8/50µs)
     Minimum withstand amount of operations 10

General Parameters 

Additional power losses on the line, % 0
Average expected lifespan, years 30
 UV resistance****, h 1000
 Weight, kg 2.8
  Maintenance 1 visual verification/year


* According to IEC 60038, ** According to IEC 60071-1, *** According to  IEC 60099-8, **** According to ISO 4892-2, method A, IEC 62217

Installation

Pin/Post/Pin-post insulation

  • LLPD d24z 1a — копия.png
  • LLPD d24z 1b — копия.png
  • LLPD d24z 1c — копия.png
  • LLPD d24z 1d — копия.png

Tension insulation

  • LLPD d24z 2a — копия.png
  • LLPD d24z 2b — копия.png
  • LLPD d24z 2c — копия.png
  • LLPD d24z 2d — копия.png

Suspension insulation

  • LLPD d24z 3a — копия.png
  • LLPD d24z 3b — копия.png

Horizontal post insulation

LLPD d24z 4a — копия.png


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