#ProbeDD2023! ACB Overcurrent Protection Test | Using Megger SVERKER 900 Onboard Ship

🔧 #ProbeDD2023! | ACB Overcurrent Protection Testing Using Megger SVERKER 900 ⚡ In this drydocking #ProbeDD job, we test the *Overcurrent Protection System* of a Terasaki *Air Circuit Breaker (ACB)* using the **MEGGER SVERKER 900 Relay & Substation Test System**. ✅ This real shipboard test includes Short Time Delay, Long Time Delay, and Instantaneous Trip simulations using current injection. ✅ Watch step-by-step how the system is configured, connected, and tested—right from terminal setup to TCC curve validation. 📌 Perfect for: ✔️ ETOs preparing for drydock testing ✔️ Marine electricians handling ACBs ✔️ Anyone curious about Megger SVERKER 900 field use --- 🧠 Key Concepts Covered: • ACB trip characteristics: STD, LTD, Instantaneous • Current Injection Calculations using CT ratio (e.g., 2000:5) • How to interpret trip time responses • Why ACB mechanical condition matters (motor, terminals, lubrication) • Live demonstration: trip curve testing onboard --- ⏱️ Timecodes: 00:00 – Intro 00:17 – Relay Testing Setup 01:39 – Voltage Trip Simulation 04:00 – TCC Curve Concepts 05:56 – Short Time Delay Injection 06:44 – Long Time Delay Injection 08:48 – Instantaneous Trip Injection 09:22 – ACB Response Time 14:17 – Final Inspection (Motor, Terminals, etc.) --- 📌 Tags (for reach): #ProbeLem #ProbeDD #DryDockElectricalTests #ACBTesting #OvercurrentProtection #MeggerSverker900 #CircuitBreakerTest #ShipElectricalSystems #MarineETO #ElectricalEducationalLibrary #RelayTestingOnShip #ShortCircuitProtection #MarineSafetySystems #ETOTroubleshooting #ElectricalInstallationMarine 📌 Join to support my problem troubleshooting mission: • Patreon –   / probelem   (Support Real-World Probing) • Facebook –   / your.probelem   ⚡ DISCLAIMER & DISCLOSURE All content shared on this channel is for educational and documentation purposes only. I’m not giving professional certification, licensing, or formal training advice. Everything I show—from probing faults to fixing alarms—is based on real-world experience as a Fleet ETO, and might not apply to every vessel, system, or situation. Always follow your company’s safety protocols, equipment manuals, and class regulations. Shipboard electrical work involves inherent risks, and what works in one case might not in another. This channel is about learning from experience—not replacing it. Keep your brain switched on, your probes safe, and your judgment sharp. 🔧 Stay safe. Keep learning. 🔎 Keep on probing!