We've teamed up with Utility Week again to release a brand new report: From offshore to underground: Using partial discharge to predict cable failure. Focussing on maintenance for underground and offshore electricity cables, this report gives a comprehensive outlook on how to predict and fix problems before they cause outages Download the report here: https://bit.ly/3KPuCRT #PartialDischarge #utilityweek #cables #offshore #electrical #maintenance
Megger’s Post
More Relevant Posts
-
🌍 22k Followers | Senior Recruitment Partner & Energy Project Workforce Solutions Specialist to leading turnkey EPC companies & Energy Developers 🌍
Around 137 substations will be installed offshore continental Europe this decade 🇪🇺 That's a lot of power ⚡ #HV #OSS #offshorewind #electrical #substations #offshoreenergy #europe #highvoltage #investment #offshore
‘$20bn for European offshore substations’
renews.biz
To view or add a comment, sign in
-
The tremendous growth in both speed of delivery and scale of offshore wind farms has driven the cable industry to develop new solutions for higher power cable ratings, and the pace of development in both AC and DC subsea cables in the last decade is unparalleled. In response to the increasing significance of cable system design in the LCOE the industry benefits from bridging the gap between conservative steady state ratings and more accurate dynamic thermal ratings. ITPEnergised (part of SLR) has developed a series of tools to model the thermal performance of cables, allowing for more informed decision making in both choice of cable size and project capacity. These dynamic rating tools have progressed in complexity over our years of experience in the sector, and our increasing industry presence and academic involvement puts us at the forefront of cable modelling for asset optimisation. Read more in the case study below and how dynamic rating can provide significant capital savings on export cable systems. #cables #dynamicthermalratings #offshorewind #cablesystems
Dynamic Thermal Ratings for Subsea Cable Systems - ITPEnergised, part of SLR
itpenergised.com
To view or add a comment, sign in
-
Snr. P6 Planner, Project Manager & Power BI Data Analyst | EPICM, Offshore Engineering, Renewable Energy (Solar, Wind, Power Systems, HVDC Power Cables, BESS, Grid Code Compliance (G99, G5/5, P28) & Integration, OHTD)
***Enhancing Offshore Wind Farm Efficiency: Understanding Inter Array Cables*** Offshore wind farms rely on inter array cables to connect turbines within a single array, transferring the electrical power generated by each turbine to a central substation. This substation then routes the power to the grid. I have discussed below concise overview of the types, functions, and recent advancements in these critical components. A. Types and Functions I. Arrangement Patterns: Inter array cables are typically laid out in radial, branched or ring (looped) patterns. Radial arrangements extend from a central hub to each turbine, while looped configurations connect turbines in a circular pattern, offering increased reliability and flexibility. II. Single Line Diagram: This diagram details the connection of turbines to a central collector substation, showing cable types, circuit protection, and routing of power. III. Core Functionality: These cables transmit high-voltage electrical power from turbines to the offshore substation, ensuring minimal energy loss and system reliability. B. Installation Methods I. Trenching: Traditional method involving digging trenches on the seabed for cable placement. II. Plowing: Modern technique where a plow buries the cables directly into the seabed. III. J-Tube Installation: Used to guide cables from the seabed into the turbine structure. C. Typical Ratings and Innovations I. Ratings: Standard inter array cables operate at 33 kV or 66 kV, with currents ranging from 1.5 kA to 3 kA. Advances are leading to higher voltage applications. D. Innovations: Recent developments include high-voltage direct current (HVDC) cables, which enhance efficiency and reduce losses over longer distances. Improved insulation materials and advanced cable laying techniques are also contributing to better performance and reliability. E. Impact on Power Quality Inter array cables affect power quality, grid voltage, frequency, and waveform by ensuring stable and reliable power transmission. Properly designed and installed cables minimize losses, maintain consistent voltage levels, and help stabilize frequency fluctuations, leading to a more reliable and efficient grid connection. ***Innovations in cable technology, such as HVDC and advanced materials, are expected to further enhance the efficiency and reliability of offshore wind farms. These improvements will play a crucial role in optimizing the performance of future wind energy systems*** Why is the ring pattern the most preferred layout for inter array cables in offshore wind farms? 👇 See image for source reference. This post reflects my personal knowledge and is for educational purposes only. #ProjectManagement #P6Planner #dataanalysis #ProjectCostManagement #OffshoreWindEnergy #HVDCPowerCables #PowerQuality #BESS #GridCodeComplianceStudies #OffshoreWindDevelopers #OffshoreWindGenerators
To view or add a comment, sign in
-
Harsh environment for offshore wind turbines and their transformers Insulating oil in #offshore transformers has the same functions as in onshore transformers: it serves as an electrical #insulation medium and cools the transformer. The insulating oil in offshore transformers must be able to withstand high demands due to the harsh maritime environment. If the transformer oil is no longer able to fulfil its tasks, this can lead to serious damage to transformers and very expensive failures. Fully automated #oilanalyses and #monitoring should therefore be standard in order to eliminate unnecessary maintenance and enable efficient offshore transformer maintenance with highly trained specialists. Speak to the Electrical Oil Services (EOS) experts to learn more about offshore transformer maintenance: https://hubs.ly/Q02y5kq30 #offshoretransformer #transformermaintenance #transformeroil
What needs to be considered during offshore transformer service?
electricaloilservices.com
To view or add a comment, sign in
-
Snr. P6 Planner, Project Manager & Power BI Data Analyst | EPICM, Offshore Engineering, Renewable Energy (Solar, Wind, Power Systems, HVDC Power Cables, BESS, Grid Code Compliance (G99, G5/5, P28) & Integration, OHTD)
***Powering the Future: Overcoming Challenges and Unveiling Innovations in Offshore Wind Turbine Reliability*** Offshore wind turbines are pivotal in harnessing renewable energy, but their reliability is crucial to avoid costly downtimes. These turbines operate in harsh environments, facing unique challenges that require a robust system reliability approach. A. Key Reliability Challenges Offshore wind turbines must be exceptionally reliable due to their remote locations and exposure to aggressive salty environments. Design considerations must account for both normal wear and tear, such as corrosion and mechanical stress, and unexpected damages from extreme weather conditions like high winds and large waves. Failures can affect critical components including gearboxes, generators, transformers, blades, and transmission cables, making system reliability engineering essential for mitigating risks. B. Design and Maintenance Considerations Design strategies should incorporate durability against corrosion and mechanical wear. Maintenance strategies must address the difficulty in accessing turbines for repairs due to unpredictable weather conditions. Advances in technology, such as improved materials and predictive maintenance techniques, are being tested to enhance reliability. Offshore turbines have grown considerably in size and capacity, typically ranging from 5 MW to 15 MW, with experimental designs pushing beyond these limits. C. Impact on Power Quality The increasing size and capacity of offshore wind turbines can affect power quality, grid voltage, frequency, and waveform. Larger turbines often produce more stable outputs but can also introduce fluctuations if not managed properly. Effective planning and grid integration strategies are vital to mitigate these effects and ensure consistent power quality. *Recent innovations include advanced turbine designs, enhanced predictive maintenance technologies, and improved grid integration techniques. Effective planning involves detailed risk assessments, incorporating potential damage scenarios into the design, and utilizing sophisticated monitoring systems to anticipate and address issues before they lead to failures.* How do you think emerging technologies will address the reliability challenges of offshore wind turbines? This post reflects my personal knowledge and is for educational purposes only.👇 #ProjectManagement #PrimaveraP6Planner #Dataanalysis #ProjectCostManagement #EarnedValueManagement #RiskManagement #S-CurveProjectPerformanceAnalysis #OffshoreWindEnergy #HVDCPowerCables #PowerQuality #BESS #GridCodeComplianceStudies #OHTDLines #OffshoreWindDevelopers #OffshoreWindGenerators
To view or add a comment, sign in
-
Snr. P6 Planner, Project Manager & Power BI Data Analyst | EPICM, Offshore Engineering, Renewable Energy (Solar, Wind, Power Systems, HVDC Power Cables, BESS, Grid Code Compliance (G99, G5/5, P28) & Integration, OHTD)
***Optimizing Offshore Wind Farm Electrical Collection Systems: Key to Future Energy Efficiency*** As offshore wind farms expand and their power capacities increase, the efficiency and adequacy of their electrical collection systems become paramount. The electrical collection system’s core function is to aggregate power from individual wind turbines and optimize overall energy generation. This system’s design significantly impacts the wind farm’s overall efficiency, cost, reliability, and performance. The layout of an electrical collector system can vary based on the wind farm’s size and the desired reliability. Typically, these systems include a network of cables and substations designed to collect and transmit electrical energy generated by the turbines to the onshore grid. Depending on the complexity and scale, designs might range from simple radial configurations to more complex meshed or ring designs. Each layout has its pros and cons in terms of reliability and maintenance, which ultimately affects operational costs and energy yield. Power quality is a crucial consideration. An efficient collection system ensures stable voltage, maintains frequency, and delivers a clean waveform, minimizing disruptions. Proper system design can mitigate potential issues like voltage drops, harmonic distortions, and frequency imbalances. Conversely, inadequate design might lead to increased losses, reduced energy quality, and operational inefficiencies. Effective planning for offshore electrical collection systems involves assessing the wind farm’s scale, environmental conditions, and future expansion needs. It requires careful consideration of factors such as cable types, installation methods, and protection schemes. Advances in technology, such as high-voltage direct current (HVDC) systems and improved cable materials, are enhancing the efficiency and reliability of these systems. HVDC systems, for instance, can reduce transmission losses over long distances and offer better control over power flow. What strategies are you employing or considering to enhance the efficiency of your offshore wind farm electrical collection system?👇 This post reflects my personal knowledge and is for educational purposes only. #ProjectManagement #PrimaveraP6Planner #PrimaveraP6CPMScheduling #PrimaveraP6CostControl #Dataanalysis #ProjectCostManagement #EarnedValueManagement #RiskManagement #S-CurveProjectPerformanceAnalysis #OffshoreWindEnergy #HVDCPowerCables #PowerQuality #BESS #GridCodeComplianceStudies #OHTDLines #OffshoreWindDevelopers #OffshoreWindGenerators
To view or add a comment, sign in
-
Snr. P6 Planner, Project Manager & Power BI Data Analyst | EPICM, Offshore Engineering, Renewable Energy (Solar, Wind, Power Systems, HVDC Power Cables, BESS, Grid Code Compliance (G99, G5/5, P28) & Integration, OHTD)
***Exploring the Key Components and Impact of Offshore Wind Energy HVAC Transmission Systems*** HVAC transmission systems typically comprise several critical components, including offshore wind farms, offshore substations with step-up transformers, and three-core polyethylene submarine cables (XLPE) that transmit power to shore. Offshore Wind Farm: The core of the system, these farms house wind turbines that convert wind energy into electrical power. Located in marine environments, they face unique challenges such as harsh weather conditions and saltwater corrosion. Offshore Substation (Step-Up Transformer): This substation steps up the voltage from the turbines to a higher level for efficient transmission over long distances. The offshore substation is vital for reducing power loss and ensuring that electricity reaches shore with minimal degradation. Three-Core Polyethylene Submarine Cables (XLPE): These cables are essential for transmitting high-voltage alternating current (HVAC) from the offshore substation to the onshore grid. XLPE cables are favored for their high insulation resistance and durability in underwater environments. A. Impact on Power Quality and Grid Stability Power Quality: HVAC systems help in maintaining consistent power quality, but they must be managed carefully to avoid issues like harmonics and voltage sags. Effective filtering and compensation strategies are required to mitigate these issues. Grid Voltage, Frequency, and Waveform: HVAC systems can influence grid voltage and frequency. Properly designed systems help maintain voltage stability and ensure frequency alignment with grid standards. However, any imbalance or instability in these parameters can lead to inefficient power delivery or grid disturbances. Grid Impedance: Offshore HVAC systems affect grid impedance by introducing additional resistance and reactance. This needs to be managed through careful system design and control strategies to prevent adverse effects on power transmission efficiency. B. Effective Planning and NEC4 Contract Incorporating the NEC4 Contract into planning involves detailed risk management and clear contract conditions to ensure timely and cost-effective project delivery. The NEC4 framework emphasizes collaboration and flexibility, which is crucial for addressing the complexities of offshore wind projects. *Recent innovations include advancements in cable technology and digital monitoring systems.* How do you think the latest innovations in offshore wind energy transmission will impact future projects?👇 This post reflects my personal knowledge and is for educational purposes only. #ProjectManagement #PrimaveraP6Planner #PrimaveraP6CPMScheduling #PrimaveraP6CostControl #Dataanalysis #ProjectCostManagement #EarnedValueManagement #RiskManagement #S-CurveProjectPerformanceAnalysis #OffshoreWindEnergy #HVDCPowerCables #PowerQuality #BESS #GridCodeComplianceStudies #OHTDLines #OffshoreWindDevelopers #OffshoreWindGenerators
To view or add a comment, sign in
-
#FlashBackFriday: Ten years ago, we completed this 500/230/138/12kV substation and 500kV transmission line loop-in to help our customer interconnect #renewable energy and improve power reliability. This power utility came to us facing a tight energization deadline, so we rolled our sleeves up and made it happen. We performed several tasks at once, including grading, foundation installation, steel erection, and wiring/testing to achieve the highly-accelerated construction schedule and get this project online on time. What #HighVoltage project challenges are you facing? Tell us about them so we can give you peace of mind with tailored solutions backed by nearly 50 years of experience: https://lnkd.in/dygpTeJB #EPC #TransmissionLine #Substation #EnergyInfrastructure #EnergyTransition #Renewables #Utilities
To view or add a comment, sign in
-
Snr. P6 Planner, Project Manager & Power BI Data Analyst | EPICM, Offshore Engineering, Renewable Energy (Solar, Wind, Power Systems, HVDC Power Cables, BESS, Grid Code Compliance (G99, G5/5, P28) & Integration, OHTD)
***Offshore Wind Energy Major Components*** Offshore wind energy is rapidly becoming a powerhouse in our quest for clean, renewable energy. At the heart of making this green dream a reality lies the high voltage transmission system—a marvel of modern engineering. This system ensures that the electricity generated by offshore wind turbines makes its way from sea to shore efficiently and effectively. Let's dive into the key components that make it all happen: A. Offshore Substations: These floating hubs are where the magic begins. Offshore substations gather electricity from multiple wind turbines and crank up the voltage to reduce energy loss over long distances. Equipped with transformers and switchgear, they’re the unsung heroes of offshore power transmission. B. Submarine Cables: Picture these cables as underwater highways, transporting electricity from offshore substations to the shore. Designed to brave the toughest marine conditions, they come with robust insulation and protective layers. Depending on the system, they carry either Alternating Current (AC) or Direct Current (DC). C. Onshore Substations: Once the high-voltage electricity hits land, onshore substations step in to convert it to a lower voltage suitable for our power grid. They play a critical role in managing and stabilizing the electricity flow to ensure a steady supply. D. HVDC (High Voltage Direct Current) Technology: For long-distance travel, HVDC technology shines. It’s more efficient than Alternating Current (AC) over greater distances. HVDC systems use converter stations to switch between AC and DC, minimizing losses and boosting power stability. E. Transformers: These workhorses adjust voltage levels as needed. Offshore transformers ramp up the voltage for the journey, while onshore transformers scale it down to fit the local grid’s needs. F. Switchgear and Protection Systems: Essential for safety and control, switchgear manages the electricity flow and isolates faults. Protection systems detect and address issues to keep everything running smoothly. High voltage transmission systems are crucial for delivering clean energy from offshore wind farms to our power grids, driving us towards a greener future. What do you think is the most exciting development in high voltage transmission technology? Share your thoughts! 👇 This post reflects my personal knowledge and is for educational purposes only. #projectmanagement #p6planner #projectcostmanagement #offshorewindenergy #HVDCPowercables #BESS #GridCodeComplianceStudies #offshorewinddevelopers #offshorewindgenerators
To view or add a comment, sign in
-
Snr. P6 Planner, Project Manager & Power BI Data Analyst | EPICM, Offshore Engineering, Renewable Energy (Solar, Wind, Power Systems, HVDC Power Cables, BESS, Grid Code Compliance (G99, G5/5, P28) & Integration, OHTD)
***Navigating the Complexities of Offshore Wind Electrical Collection Systems: Power Losses, Voltage Management, Redundancy, and Costs*** Offshore wind electrical collection systems are integral to converting and transporting energy from turbines to the grid. These systems face unique challenges related to power losses, voltage levels, redundancy, and costs. A. Power Losses: Key issues in power losses include the value of lost energy and the power factor of cables. Energy losses can be significant, impacting overall efficiency. The power factor, which measures how effectively electrical power is converted into useful work, directly influences these losses. Additionally, turbine technology, such as variable-speed drives and power electronics, can introduce further inefficiencies, increasing the complexity of managing power losses within the collector system. B. Voltage Levels: Voltage management is crucial. Offshore systems typically operate at 33 kV, and voltage must stay within ±10% of this rated level to ensure grid stability. Voltage regulation equipment continuously adjusts the wind farm’s reactive power within its reactive power range, maintaining voltage within permissible limits and enhancing system reliability. C. Redundancy: Redundancy is essential in offshore wind farms to mitigate downtime during faults or maintenance. Offshore environments complicate repairs, leading to longer downtimes compared to onshore farms. Redundant systems help ensure continuous operation and grid stability despite these challenges. D. Costs: Offshore wind farms involve higher investment and operational costs than onshore farms. Factors include the challenging marine environment, specialized installation techniques, and the need for advanced technology to handle harsh conditions. These costs impact the final electricity price, making offshore wind less cost-effective compared to its onshore counterparts. E. Impact on Power Quality: The complexity of offshore systems can affect power quality, grid voltage, frequency, and waveform stability. Managing grid impedance is critical to ensure smooth integration and efficient operation. Effective planning and design, including strategies from the NEC4 Contract, are necessary to address these issues. What strategies do you think will be most effective in minimizing power losses and managing costs for future offshore wind projects?👇 This post reflects my personal knowledge and is for educational purposes only. #ProjectManagement #PrimaveraP6Planner #PrimaveraP6CPMScheduling #PrimaveraP6CostControl #Dataanalysis #ProjectCostManagement #EarnedValueManagement #RiskManagement #S-CurveProjectPerformanceAnalysis #OffshoreWindEnergy #HVDCPowerCables #PowerQuality #BESS #GridCodeComplianceStudies #OHTDLines #OffshoreWindDevelopers #OffshoreWindGenerators
To view or add a comment, sign in
100,541 followers