METARRESTERS

🚀 Are you relying on real Lightning Location System (LLS) data or outdated keraunic levels for Ground Flash Density (GFD or Ng) calculations? 🤔 🌍 Modern solution emphasize the precision of LLS data over traditional "thunderstorm days." Thunderstorm days (Td) may have been useful in the past, but their subjective nature makes them unreliable for accurate GFD (Ng) estimation today. 📉 💻 I3CM LLS provides precise lightning data analysis, empowering utilities to improve overhead line performance and simulate lightning risks. 🌩️ With global coverage from systems like NLDN in North America or GLD360 worldwide, affordable high-quality LLS data is now within reach. 🔗 Request your free demo today: https://lnkd.in/duPu5uGJ #LightningData #LLS #ElectricalEngineering #PowerSystems #AssetManagement #CIGRE #WeatherTech

🔍 Flash vs. Stroke: What's the Difference? Lightning Flash: A lightning flash refers to the entire event of a lightning discharge, which typically consists of multiple strokes. For negative cloud-to-ground (CG) flashes, the average number of strokes ranges from three to five. However, in positive CG flashes, the event often comprises a single stroke. Lightning Stroke: A stroke is a single discharge within a flash. The first stroke in a flash is usually the strongest and is followed by subsequent strokes that often follow the same path. #LightningProtection #PowerSystems #ElectricalEngineering #InfrastructureSafety

Step into the world of innovation at Xi'an Tiangong Electric Co., Ltd! 🏭✨ Explore the cutting-edge 70,000m² factory and discover how they craft top-tier metal oxide varistors that power the globe. With nearly 40 years of expertise and a monthly production capacity of 350 tons, they are redefining quality and performance in surge protection technology. 🌍⚡ 👉 Full 26-min educational video : https://lnkd.in/dSXXzYwP 🌍 Follow METARRESTERS to stay updated and be the first to know about our new releases! Learn more about surge arrester technology & lightning performance : https://lnkd.in/dZXXHXFz #surgeprotection #electricity #education #techtalk #madeinchina #innovations #engineering #powersystems #TiangongElectric #R&D #innovation #manufacturing #qualitycontrol #technews #industryleaders #performancematters

🌩️ What’s Your Experience with Metal Oxide Line Surge Arresters (MO LSAs) on Distribution Lines? For years, MO LSAs have been reliably used on transmission lines to reduce lightning-related outages and their financial consequences. However, their deployment on distribution lines appears to be less common. Based on our observations, several factors might explain this limited adoption: 💸 Cost Implications Outages on distribution lines typically result in lower financial losses compared to transmission lines, reducing the urgency to invest in MO LSAs. 💰 High Initial Investment The upfront cost of MO LSAs can deter adoption, especially when manufacturers fail to present compelling justifications for the expense. ⚡ Lightning Charge Transfer Unshielded distribution lines often face higher lightning charge transfers, which may exceed the standard Qrs ratings of MO LSAs. ⚠️ Temporary Overvoltage (TOV) Stress Certain systems experience high levels of TOV, which can exceed the voltage withstand capability of MO LSAs, particularly non-gapped types (NGLA). 🛠️ Reliability Concerns Instances of moisture infiltration due to sealing issues have raised questions about the long-term reliability of MO LSAs. What do you think? Are there other challenges or opportunities in deploying MO LSAs on distribution lines? Share your insights! 🤔 #DistributionLines #SurgeProtection #Reliability #PowerSystems #EnergySector #ElectricitySupply

🚀 Unveiling the Future of Metal Oxide Varistor (MOV) Manufacturing 🌟 Have you ever wondered what it takes to achieve unmatched stability and performance in Metal Oxide Varistor (MOV) technology? Xi'an Tiangong Electric Co., Ltd (TGE) is setting new industry standards with their cutting-edge facility and decades of expertise! 🎥 In this exclusive short, we explore: ✅ A 70,000 m² State-of-the-Art Factory capable of producing 350 tons of MOVs monthly. ✅ 40 Years of R&D Excellence, making TGE a leader in zinc oxide varistor technology. ✅ Insights into the critical processes of firing and granulation—the key to superior stability and quality in MOV production. 🛠️ With a dedicated R&D team and meticulous process control, TGE ensures every improvement benefits their global customer base. Their focus on quality and innovation makes them a trusted partner for surge protection in power systems worldwide. 👉 Watch our full 26-min educational video https://lnkd.in/dSXXzYwP to learn more about MOV Technology and discover why TGE is at the forefront. Follow METARRESTERS to access more content. Learn more about surge arrester technology & lightning performance : https://lnkd.in/dZXXHXFz #surgeprotection #electricity #education #techtalk #madeinchina #innovations #engineering #powersystems #TiangongElectric #R&D #innovation #manufacturing #qualitycontrol #technews #industryleaders #performancematters

🌩️ Understanding Ground Flash Density (GFD) Accuracy: Why Grid Size Matters When working with map grid analysis for Ground Flash Density (GFD or Ng), the accuracy of your data is critical for meaningful insights. This accuracy depends heavily on the number of lightning events captured in each grid cell over the observation period. 📏 The Standard Requirements Based on IEC standards and CIGRE guidelines, there are key thresholds for reliable analysis: -The product of GFD, observation period (in years), and grid cell area (in km²) should exceed 80 events per cell to ensure baseline confidence. -For higher precision, the ideal number of events per grid cell is 400 or more. 💡 Let’s Break it Down Imagine a grid cell with an area of 1 km². To meet the minimum requirement: -A GFD of 8 flashes/km²/year over 10 years would be needed. But in many regions, GFD values are much lower. This means: -Larger grid cells are often necessary to capture enough lightning events for reliable analysis, ensuring compliance with international standards. 🌍 Why This Matters Accurate GFD data helps power utilities and engineers design better lightning protection systems, reducing outages and improving system reliability. By understanding the relationship between grid size, observation period, and GFD, we can make informed decisions for better performance. How are you leveraging GFD data in your projects? Let’s discuss! 👇 #LightningPerformance #GroundFlashDensity #Standards #PowerSystems #Engineering

🔦 Why Surge Arc Suppressors (SAS) Play a Strategic Role in Lightning Protection on Distribution Lines ⚡ SAS, formerly known as Current Limiting Gaps (CLG), are gaining attention as an alternative to Metal Oxide Surge Arresters (MO LSAs) for distribution lines. While MO LSAs have long been used on transmission lines, their adoption on distribution systems has been limited due to: 1️⃣ Economic Factors: Lower financial penalties for distribution outages and the higher initial cost of MO LSAs can hinder widespread use. 2️⃣ Technical Constraints: Unshielded distribution lines face greater lightning stress, often exceeding MO LSA capabilities, along with potential overvoltage issues. 3️⃣ Reliability Concerns: Field data highlights challenges with MO LSAs in harsher environments, particularly with sealing integrity. 💡 What Makes SAS a Game-Changer? • Cost Efficiency: SAS might offer better life-cycle costs than Distribution High (DH) Class surge arresters. • High Charge Transfer Capability: Ideal for unshielded systems or difficult grounding conditions. • Superior Durability: SAS can withstand harsh environmental conditions, avoiding issues like moisture ingress or pollution that challenge MO LSAs. 🚨 Watch the Follow Current Interrupting Test 🚨 In this video, you'll see how LLPD devices from Streamer Electric AG handle short-circuit conditions. SAS extinguishes several kA in less than half a cycle – ensuring reliability in real-world scenarios. ✅ 👉 Learn more about how SAS technology can enhance the resilience of distribution networks : https://lnkd.in/dGZxX4TK #LightningProtection #SurgeArresters #PowerDistribution #ElectricityGrid #Innovation #TechInPower

🌩 Lightning System Studies: Unlocking the Key Metrics for Power System Resilience ⚡ Predicting lightning outage performance is crucial to maintaining reliable power systems. At the heart of these studies are two pivotal metrics: 1️⃣ Probability of Exceeding the Critical Current This measures the likelihood of a lightning strike exceeding the insulation strength of a line, potentially leading to a breakdown. 2️⃣ Number of Flashes Hitting the Line Not all lightning flashes impact the line directly. Using a stroke attraction model, we determine where strikes are most likely to occur – whether on shield wires, tower tops, or power conductors. 📍 Ground Flash Density (GFD or Ng) plays a critical role in these calculations, revealing how often lightning occurs in a given area. 🎯 Accurate lightning data analysis is non-negotiable for ensuring reliable GFD estimation and enhancing the accuracy of system studies. It’s the foundation for proactive measures that mitigate lightning-related outages. Let’s talk about how data-driven insights can safeguard your power systems. 💡 #LightningPerformance #PowerSystems #DataAnalysis #EnergyReliability

🤔 In case you missed our announcement, our webinar on lightning data analysis is scheduled for tomorrow at 11:30 AM EST. This session is tailored for professionals in the field and offers valuable insights into mastering lightning analysis. We encourage you to join and share this invitation with colleagues who may also find it relevant. "Mastering Lightning Analysis: Transforming Data into Reliable Solutions for Power Utilities" 📅 Date: December 12th, 2024 ⏰ Time: 11:30 AM - 12:30 PM EST | 5:30 PM - 6:30 PM CET 🔗 Register Now: https://lnkd.in/ddij2Mj3 📋 What You'll Learn: ✔️ Fundamentals: Understanding lightning phenomenon and its impact on overhead power lines ✔️ Insights: Key differences between strokes vs. flashes and why it matters ✔️ Data-Driven Decisions: How LLS data outperforms traditional keraunic levels ✔️ Technical Mastery: Stroke distributions, failure correlations, and dataset quality assessments ✔️ Cost Efficiency: Optimizing operations with cutting-edge analysis Seats are filling fast—secure your spot today! 🚀 🔗 Register Now: https://lnkd.in/ddij2Mj3 💡 Let's harness the power of data for better lightning protection!

🌟 2025: A Year of Key Conferences in Lightning Protection & Power Systems! ⚡ The year 2025 is set to feature several pivotal conferences in the fields of lightning protection and power systems. These events will convene experts worldwide to discuss advancements and share insights. 🌍🔌 📍 13th Asia-Pacific International Conference on Lightning (APL 2025) 🗓️ June 17–20 | Bali, Indonesia 🇮🇩 ✨ Keynote sessions, technical paper presentations, and a technical exhibition in paradise! 👉 https://lnkd.in/dTdAakBk 📍 16th International Conference on Power Systems Transients (IPST 2025) 🗓️ June 8–12 | Guadalajara, Mexico 🇲🇽 🔍 A platform for sharing cutting-edge information on electromagnetic transients in power systems. 👉 https://www.ipstconf.org/ 📍 International Symposium on Lightning Protection (SIPDA 2025) 🗓️ September 21–26 | Thessaloniki, Greece 🇬🇷 ⚡ Spotlighting the latest in lightning protection technology and innovation. 👉 https://sipda2025.gr/home 📍 INMR World Congress 2025 🗓️ October 19–22 | Panama City, Panama 🇵🇦 💡 A skills-building and technical enrichment event for power transmission & distribution professionals. 👉 https://lnkd.in/eYXRGaW 📍 CIGRE 2025 International Symposium 🗓️ September 29 – October 2 | Montreal, Canada 🇨🇦 🌍 Bringing key players together to discuss grid resilience, technological innovation, and energy systems of the future. 👉 https://lnkd.in/dv_rp-D5 🌟 These conferences present invaluable opportunities for professionals to engage with groundbreaking research, explore technological advancements, and stay at the forefront of industry trends in lightning protection and power systems. Don’t miss out! 🚀 💬 Which event are you planning to attend? Let’s connect! #LightningProtection #PowerSystems #EnergyFuture #Networking #IndustryInnovation