Solar obstruction lighting solutions
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A best practices guide for project engineers working on transmission line projects in the utility, telecommunications and energy fields
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Solar obstruction lighting solutions
- 1. Obstruction Lighting Solutions Is Your Transmission Line Project FAA Compliant? Brought to you by the power solutions team at
- 2. Agenda 1. 2. 3. 4. 5. 6. Introductions Scenario: Modernizing our Electrical Infrastructure Challenge: FAA Compliant Obstruction Lighting Solutions Solution: Solar-powered Obstruction Lighting Systems (SOLS) SOLS Best Practices Q&A
- 3. Jim Iversen, CEO and President of Northern Reliability Jon Howell, Business Development, Northern Reliability Tony Uzabel, Applications Engineer, Northern Reliability Jonathan Maguire, National Account Manager, Northern Reliability
- 4. 1. 2. 3. 4. 5. 6. Introductions Scenario: Modernizing our Electrical Infrastructure Challenge: FAA Compliant Obstruction Lighting Solutions Solution: Solar-powered Obstruction Lighting Systems (SOLS) SOLS Best Practices Q&A
- 5. Northeast Blackout of 2003: Why Does it Matter? Northernreliability.com
- 7. 1. 2. 3. 4. 5. 6. Introductions Scenario: Modernizing our Electrical Infrastructure Challenge: FAA Compliant Obstruction Lighting Solutions Solution: Solar-powered Obstruction Lighting Systems (SOLS) SOLS Best Practices Q&A
- 8. “It’s obstruction lighting. How hard can it be?” northernreliability.com
- 9. What are the FAA rules and how does it affect my project? northernreliability.com
- 13. 1. 2. 3. 4. Introductions Scenario: Modernizing our Electrical Infrastructure Challenge: FAA Compliant Obstruction Lighting Solutions Solution: Solar-powered Obstruction Lighting Systems (SOLS) 5. SOLS Best Practices 6. Q&A
- 14. Powered by the Sun: Reliable, Practical and Cost Effective NorthernReliability.com
- 15. Fully Autonomous Power System
- 16. Mt. Shasta, PG&E, California
- 17. Salt River Project, Phoenix, Arizona
- 18. Radar Systems: • Lights only when you need them • Meets or exceeds US FAA & NAVCAN requirements • Up to 20 mile detection range
- 19. 1. 2. 3. 4. 5. 6. Introductions Scenario: Modernizing our Electrical Infrastructure Challenge: FAA Compliant Obstruction Lighting Solutions Solution: Solar-powered Obstruction Lighting Systems (SOLS) SOLS Best Practices Q&A
- 22. 3 Enemies of a Battery •Cycling • • Reduces battery life by 40-50% 5 yr battery→2-3 yr battery •Heat • • Even greater impact on life 5 yr battery→1-2 yr battery •Cold • • Affects battery capacity 7 day → 4 day battery
- 24. System Controller, the Brains of the Operation: • Dynamic system controls • • • • • Environmental controls Charge Regulation Power conditioning & distribution Remote monitoring & alarm Analytics
- 25. SOLS Best Practices Experience Required: Systems Controls with Analytics for proper design & installation Industrial Batteries Environmental Protection: reduces O&M costs, enhances reliability
- 26. Your Turn: Any Questions? Jonathan Maguire 802-999-2995 jmaguire@northernreliability.com
Editor's Notes
- Thanks for participating in this webinar, today we are going to be talking about aviation obstruction lighting solutions for Transmission Infrastructure Projects, more specifically ways to ensure that your obstruction lighting system is cost-effective, reliable and FAA Compliant.
- First things first, I wanted to quickly run down our agenda for this morning: Start out with Introducing our team Brief description of the factors that are currently driving the modernization of the countries electrical infrastructure Then we’ll talk about some of the common challenges that engineers face when having to mark transmission towers After which we’ll show you why a solar-powered system is often the best fit for these types of situations Followed by Best Practices or dos and don’ts of properly implementing these systems And then we’ll have some time for Q&A
- Introductions, brief remarks by Jim?
- There has been a surge of large electrical infrastructure or transmission projects over the past several years and we wanted to begin this webinar by talking a bit about the impetus behind the ongoing push to modernize our countries electrical infrastructure.
- Blackout of 2003 (which left 50M people without power)? It was triggered by a tree branch touching a power line but really it was a series of failed alarms that was the cause of this unprecedented failure. This event highlighted the vulnerability of our electrical infrastructure, especially in light of the ever growing demand on the grid. It forced utilities to evaluate the strength of their networks and the need for possible investment and modernization of their networks.
- Second- White House Interagency Rapid Response Team for Transmission A series of high voltage transmission projects who’s purpose is to get the power generated by large-scale renewable projects that are often located in electrically constrained regions, to the population centers. Ties back to previous slide, with all the talk around SmartGrid (a more resilient, robust, efficient grid) In order to achieve all these things, high voltage lines are needed which requires tranmission towers and most of these towers will need obstruction lighting systems
- What are some of the challenges that you will face when confronted with the need for Obstrcution lighting systems
- Often in the early stages of a project, this is the sentiment that we get from Project Managers.
- The first challenge is to know the rules. FAA is governing body over all things obstruction lighting, dictate the guidelines and standards of how to mark towers You will need to familiarize yourself with the FAA’s guidebook to all things Obstruction Lighting, known as the Advisory Circular AC 70/7460. It provides the details of how to properly mark your towers in accordance with FAA guidelines.
- Extending the grid to your towers costs how much? In addition to the financial consideration of extending the local grid to your tower, you will also need to contend with permitting and right-of-way issues which is really more of a scheduling liability but also adds cost to your project.
- If local grid fails, your lights are down
- Light pollution. We have seen projects where the customer is very sensitive to light pollution, and requires measures be taken to either minimize the use of the l.
- So we have laid out a bunch of the more common challenges that we typically see in the industry, let’s talk about the solution.
- A very practical, reliable, low cost solution is a solar-powered obstruction lighting system. It is a solar powered system, which means
- …that it is a fully autonomous power system or, also known as an onsite power generation system. As you can see in this simple schematic, electricity from the solar panels is fed through the charge controller to charge a battery bank (a 7 day battery bank per FAA guidelines). The lights (whether AC or DC) are powered from the PV (photovoltaic) during the day and battery at night.
- So if your tower is located in the middle of a river, a rural area
- …or anywhere that is grid-challenged, these systems offer a sensible and cost-effective alternative to the potential headaches, costs and delays associated with extending the local grid to your towers.
- And with the use of relatively inexpensive, commercially available radar systems designed specifically for this purpose you have the option of having your lights controlled by a radar system that detects nearby aircraft so that the lights are only on when necessary.
- Best Practices or Dos and Don’t’s of SOLS Working with an Experienced & Knowledgeable Solar System Vendor Using Industrial Grade Batteries and properly protecting those batteries System controller that allows you a remote view into your system
- Must consider local solar resource, temperatures, weather patterns, customer power requirements, even things like site access or situating of the solar system itself at the site. Behind a fence? ALL THIS GETS FACTORED INTO THE DESIGN GET ssystem provider involved sooner rather than later, do not expect that logistics and details around the solar system can be resolved within a few days.
- The heart of the system Do use quality batteries, preferably 20 yr batteries Do environmentally protect those batteries You see here…
- Enemies of batteries: Heat, Cold and Cycling (charging & discharging) This is a system with 5 yr batteries
- This simple lifecycle cost chart demonstrates the benefits of investing money in a few well-designed systems with a 20 yr battery vs the cheaper alternative. As you can see, after just a few years the cost of battery replacements has put the cheaper system on par with 20 yr battery system and then rapidly out paces the 20 yr system system in total costs in the years after. So, buyer beware, not all solar systems are created equal!! Thanks for taking the time to join us. And with that I would like to open up the floor to questions.
- System controls and analytics Brains of system Remote monitoring of your lights and your power system FAA requires surveillance of lights every 24 hrs Recap, experience-proper design Thanks for taking the time to join us. And with that I would like to open up the floor to questions.
- System controls and analytics Controller will send alarm signaling light failure and other critical events, but more importantly will inform you before failure. Thanks for taking the time to join us. And with that I would like to open up the floor to questions.