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Sean White's Solar and Energy Storage Podcast
6 minutes | 18 days ago
BIPV and Tesla Solar Glass with Bill Brooks
Building Integrated PV (BIPV) has been around forever as far as the solar industry is concerned (4 or 5 decades). It has never taken off like people think. There has always been a lot of hype around BIPV, especially amongst laypeople. Will Tesla change BIPV forever? I would think not, except I will never underestimate a guy that turned a small EV company into the world's most valuable automaker, lands reusable rockets routinely, and can make non-human primates play video games with their thoughts, all things which were considered impossible. For more information and education on solar and storage, go to www.solarSEAN.com !
35 minutes | 25 days ago
2020 NEC Article 706 Energy Storage Systems
In this podcast we are going to go over NEC 706 with Bill Brooks, thy guy who wrote a lot of this material and was there every step of the way. Sometimes Bill does not agree with what ends up in the NEC and he will let you know it here first on this podcast. To have fun and learn more about solar and storage, go to SolarSEAN.com
17 minutes | 2 months ago
Calculating Short Circuit Current Rating of Equipment Podcast
We are going to cover short circuit current rating of equipment with Bill Brooks. Bill Brooks has been in the solar industry for many decades and knows everything about solar and energy storage. He writes the codes, he does consulting, he's a busy guy and here he is on this podcast. To have fun and learn more about solar and storage, go to SolarSEAN.com
21 minutes | 2 months ago
Utility Scale Solar and Energy Storage System Grounding Electrode Conductor Configurations and More
In this episode, we are going to present a particular rumoured certification exam question and then get into the details of how you may install large central inverters with grounding electrode conductors. This is an advanced topic, but if you are a beginner, you can still be amazed at how these huge multi-million dollar PV systems are put together. To have fun and to learn more about solar and storage, go to SolarSEAN.com
16 minutes | 2 months ago
Solar Energy Fundamentals Part 4: Shading
Solar PV shading can be worse than you think, since solar cells are connected in series. We will cover the Solmetric Suneye shading device, (note that Vivant Solar was bought by Sunrun since the recording of this podcast), we will cover some software that can digest shading information, such as Aurora Solar, Helioscope, Energy Toolbase, PVsyst, Albedo, Sketchup, Skelion, PVCAD, AutoCAD, and more. Then we talk about single-axis trackers, concentrated PV, seasonal tilting, concentrating PV, seasonal tilt and many more angles.
20 minutes | 3 months ago
Solar Energy Fundamentals Part 3
In this episode, we are going to cover, air mass, global solar radiation, direct solar radiation, albedo solar radiation, diffuse solar radiation, bifacial solar, pyranometers, pyrheliometers and the solar constant. To have fun and to learn more about solar and storage, go to SolarSEAN.com
5 minutes | 3 months ago
Solar Energy Fundamentals Part 2
This podcast covers the effects of temperature and irradiance on PV voltage and current and all different kinds of azimuth, which is what a compass reads. Did you know that the magnetic North Pole is moving from Canada to Russia? To have fun and to learn more about solar and storage, go to SolarSEAN.com
10 minutes | 3 months ago
Solar Energy Fundamentals Part 1
When light comes from the closest star (the sun), it will give us solar power and solar energy. We are going to talk about the difference and how to quantify irradiance and irradiation. We also get into solar insolation, tilt angles, peak sun hours in different locations including Germany, the home of Hermann Scheer who kicked off the solar revolution! To have fun and to learn more about solar and storage, go to SolarSEAN.com
14 minutes | 3 months ago
Electricity Basics Part 2
Energy comes in many forms. From kWhs, to Joules, to cheeseburgers, to a gallon of gas, see how you can convert these different energy containing forms. We also will get into the speed of electricity, Ohm’s law, Horsepower, the NABCEP PVA exam and PV module level rapid shutdown for PV systems on buildings. To have fun and to learn more about solar and storage, go to SolarSEAN.com
22 minutes | 3 months ago
Electricity Basics Part 1
Many people in the solar and storage industry do not know much about electricity and now is the time to have fun and learn. In this episode, we will introduce you to people with names like Volta, Ampere and Ohm, get ready to power your brain cells with all of that stored energy from last nights tacos. This podcast includes both basic and advanced material and this episode is on the basic side. If you are advanced, you still can learn something, such as how to explain things to normal people. To have fun and to learn more about solar and storage, go to SolarSEAN.com
37 minutes | 4 months ago
Code Compliant Conductor Sizing: a 2021 take on a 2011 SolarPro Article
One of the most difficult things to do with the NEC, is to understand how to use it to properly size wires. You can get 10 of the top experts in the world in a room and if you talk about how to properly size a wire, you can be sure there will be exciting conversations (disagreements). The best article I ever read on the subject was in the now retired SolarPro Magazine, where you can still access old articles at www.solarprofessional.com. May SolarPro someday be resurrected! Wire sizing is very uniform throughout the NEC, so if you truly understand this article, you will be able to wire size about anything, including an energy storage system or a circuit to an air conditioner on the roof. As I read this article that is based on the 2011 NEC, I make comments and update how to comply with the 2020 NEC. A few differences are that we no longer have 1A fuse increments below 15A (we skip from 10A to 15A now) and we no longer derate for conduit in sunlight on a rooftop. Warning: This information is difficult, so do not expect to understand it in a day. You are welcome to skip this podcast, or you can do what I did when I first read NEC Article 690. I did not understand it, but got familiar with it and the terminology and after reading it 1000 times or so, I wrote some books on it. To find out more about solar and storage, checkout www.SolarSEAN.com !
19 minutes | 4 months ago
PV Safety Basics Part 2
The most misunderstood PV label (“terminals on line and load side may be energized in the open position”), DC and AC disconnects, Capacitors, PV is on when the Sun is up, Pocket Voltage Indicator, Hot Stick Voltage Detectors (only work with alternating current), Lockout Tagout (LOTO), Material Safety Data Sheets (MSDS), 6-feet = Fall Protection, Guardrail Fall Protection, Safety Net Fall Protection, Personal Fall Arrest Systems (PFAS), Anchor, Harness, Lifeline, Shock Absorbing Lanyard, Ladders Safety, Fiberglass vs. Aluminum Ladders, Working Around Power Lines, 3 points of contact, Tool Backpack, Yoyo (self-retracting lifeline) and Sun Exposure!
14 minutes | 5 months ago
PV Safety Basics Part 1
NEC, too much current on a wire, OSHA (Occupational Safety and Health Administration) for employees, NFPA, Battery Bank Locations, AHJ (Authority Having Jurisdiction), NABCEP, Hydrogen and Ventilation with Lead-Acid Batteries, Guarding Live Parts, Working Spaces NEC 110.26, Panelboards, Personal Protective Equipment (PPE), Fall Protection, Arc-Flash Protection, Skylights, Ergonomics, Staging, Preventing Lumbar Disc Injuries, Volt Meter Testing, First Aid Kits and Eye Wash Stations.
14 minutes | 5 months ago
PV Markets and Applications Part 3
AC-Modules, Direct PV Systems, Water Pumping with PV, Self-Regulating PV, Hybrid PV Systems vs. Hybrid Inverters, Solar Living Institute (RIP), Pumped Hydro Storage, Utility Scale Solar Farms, Large Scale PV Electric Supply Stations (NEC 691), PV Feed-in-Tariff’s, NexTracker Single Axis Trackers, Distributed Generation (DG), NABCEP, Community Solar, Community Choice Aggregation (CCAs), SEIA Houses per MW, 6kW per house average, Energy Efficiency, Resistance Heater 100% efficiency vs. Heat Pumps that are 3x better than 100%, Spectrolab Space Solar.
9 minutes | 5 months ago
PV Markets and Applications Part 2
Utility Interactive PV Systems, Direct Current, Alternating Current, 5-minute UL 1741 anti-islanding requirements, PV the anti-load, net-metering, residential and commercial voltages, 120/240V, 120/208V, 277/480V, Delta, Stinger, Medium Voltage, High Voltage and Ultra High Voltage Connections, Nikola Tesla, Utility Scale PV, NEC Article 691, Charge Controllers, Stand-alone (off-grid), Rectifier (ac-to-dc), Tesla Powerwall, AC-Coupled PV, DC-Coupled PV and SolarEdge. Stay tuned for Part 3 of PV Markets and Applications Next Week!
16 minutes | 5 months ago
PV Markets and Applications Part 1
PV Markets and Applications, Grid-Tied PV with and without Batteries, Voltage Sags and Peaks, California Rule 21, Energy Storage, Smart Electronics, Bidirectional EVs, UL 1741, UL 1703, CE, NEC, Anti-islanding, Stand-alone, Multimode Inverters, Microgrid Interconnect Device (MID), Interactive Inverter, Solar in Space, Space Based Solar Power (SBSP), Portable Solar Power, Hybrid, Utility Scale PV, Distributed Generation (DG), Concentrated PV, Concentrated Solar Thermal, Solar Thermal vs. Solar PV. Stay tuned for Markets and Applications Part 2 of 3 next week!
11 minutes | 5 months ago
History, Present and Future of Solar PV
PV Markets and Applications, NABCEP Exam, Edmund Becquerel, Photovoltaic Effect, Einstein’s Photoelectric Effect, PV Flash Testing, Bell Labs, Vanguard 1 Satellite, World Installed Capacity of PV, 1 TW of PV Installed, Hockey Stick PV Growth, Space Based Solar Power (SBSP), Dyson Sphere, Swanson’s Law, PV $77/watt in 1977, Solar PV and Eclipses, Guerrilla Solar and Perpetual Solar Flight with the Solar Impulse.
29 minutes | 6 months ago
Comparing Battery Technologies
What makes different battery technologies better for different applications, primary and secondary batteries, state of charge (SOC) vs. depth of discharge (DOD), voltage vs. charge, battery open circuit voltage, battery internal resistance, lithium vs. lead acid, battery nominal voltage, 3.6V, 3.2V and 2V, cycle life factors, energy per weight, energy per volume, power per weight vs. energy, arbitrage, self consumption, max discharge current vs. continuous current, charge voltage vs. nominal voltage vs. float voltage, BMS, algorithms, NiMH, NiCad, recycling batteries. To find out more about everything solar and storage, go to solarSEAN.com
26 minutes | 6 months ago
2020 NEC Article 705 Interconnected Power Production Systems from an Energy Storage System (ESS) perspective
Article 705 applies to PV and ESS. Everything we say here is going to apply to anything backfeeding the grid or a microgrid, however we will use ESS examples. We cover anti-islanding, Microgrid Interconnect Devices (MID), IEEE, Microgrid System definition, 705.11 Supply-Side Connections, 705.12 Load-Side Connections, 705.13 Power Control Systems (PCS), Article 705 Part 2 AC Microgrids. To find out more about everything solar and storage, go to solarSEAN.com
19 minutes | 6 months ago
Energy Storage relevant material in the 2020 NEC, Chapter 6 Special Equipment, Chapter 7 Special Conditions, Chapter 8 Communication Systems, Chapter 9 Tables
In this podcast we cover material in Chapters 6 & 7 in the NEC (not including 706 ESS in detail, which we covered in a previous podcast) from an ESS point of view, including 625 EV Power Transfer Systems, EVSE=EV supply equipment, 692 Fuel Cells, 702 Standby Systems, ATS (automatic transfer switch), MID (microgrid interconnect device), 705 Interconnected Power Production Sources, 706 Energy Storage Systems (ESS), 710 Stand-Alone Systems, 712 DC Microgrids, 750 Energy Management Systems, Power Control Systems, Chapter 8 Communication Systems, Chapter 9 Tables, Conduit Fill Tables, Voltage Drop Tables. To find out more about everything solar and storage, go to solarSEAN.com
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