Cathodic Protection Integrated Lightning Protection Device
Core Features
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Graded Lightning ProtectionClass B protects against direct lightning strikes, and Class C safeguards against induced lightning, building a complete lightning protection system to discharge lightning surges at all ports.Graded Lightning Protection -
Stray Current Isolation & DrainageStabilize voltage and drain backflow stray current to prevent overvoltage from damaging the insulation and mainboard of the potentiostat.Stray Current Isolation & Drainage -
Intelligent Status MonitoringReal-time display of lightning strike counts, fault status and operating conditions for intuitive operation and maintenance.Intelligent Status Monitoring
Product Technical Parameters
| No. | Project | Parameter |
|---|---|---|
| 1 | AC Input Terminal (In) | 100kA（8/20μs） |
| 2 | AC Input Terminal (Imax) | 50kA（10/350μs） |
| 3 | AC Input Terminal (Uc) | 420V |
| 4 | AC Input Terminal (Up) | ≤2.5kV |
| 5 | AC Input Terminal (In) | 60kA（8/20μs） |
| 6 | DC Output Terminal (Imax) | 100kA（8/20μs） |
| 7 | DC Output Terminal (Uc) | 130V |
| 8 | DC Output Terminal (Up) | ≤0.5kV |
| 9 | Reference & Zero-to-Cathode Terminal (In) | 60kA（8/20μs） |
| 10 | Reference & Zero-to-Cathode Terminal (Imax) | 100kA（8/20μs） |
| 11 | Reference & Zero-to-Cathode Terminal Uc) | 6V |
| 12 | Reference & Zero-to-Cathode Terminal (Up) | ≤25V |
| 13 | Rated Isolation Voltage of Zero-to-Cathode Line | -5V/+5V |
| 14 | Steady-State Drainage Current of Zero-to-Cathode Line | ≤45A |
| 15 | Fault Current (AC-rms / Power Frequency / 30 Cycles) | ≤3500A |
| 16 | Leakage Current | ≤20μA |
| 17 | Insulation Resistance | ≥10MΩ |
| 18 | Lightning Strike Counter | 999 Times |
| 19 | Operating Status Indicator Light | Steady ON when powered up |
| 20 | Fault Indicator | Lit under fault condition |
| 21 | Operating Temperature | -45℃～+60℃ |
| 22 | Altitude | ≤4000m |
Product Certification
The product has passed tests conducted by the Electrical Safety Testing Center of CNPC, Sinopec and national lightning protection testing institutions. It complies with standards GB/T 18802 and SY/T 0017, and is suitable for severe working conditions of cathodic protection stations in oil & gas and long-distance pipeline projects.
Construction Instructions
1. Installation Preparation: Inspect appearance, sealing and electrical parameters; prepare brackets, copper busbars and bolts.
2. Bracket Fixation: Install horizontally and firmly outdoors with wind and seismic resistance.
3. Equipment Fixation: Securely mount lightning protection device to prevent loosening.
4. Wiring Connection: Connect AC, DC, reference electrode and zero-potential terminals correspondingly; reliably connect copper busbars.
5. Inspection & Commissioning: Perform continuity and insulation tests; verify protection performance via simulated lightning strikes.
6.Sealing Protection: Waterproof all interfaces for outdoor rainproof and sunproof protection.
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