Lithium-ion Battery basics

• August 8th, 2020

In this podcast, we will cover, C-rates, hour rates, E-rates, comparing lithium to lead-acid batteries, DOD, battery cells, modules and packs, series and parallel connections, cylindrical, prismatic and pouch batteries, cathodes, anodes, electron flow vs. conventional current direction, electrolytes and the graphite anode.

To learn more, go to solarSEAN.com


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Greg Smith of Sonnen Battery Part 4 of 4

• July 29th, 2020
This is the fourth and final part of an interview with Greg Smith of Sonnen Battery. In this podcast we cover Greg’s opinion against rapid shutdown (RSD) requirements of the NEC, a book he is writing, whole house backup and how fast a Sonnen can react to a grid outage, which is 100 milliseconds.
 
To find out more about everything solar and storage, go to solarSEAN.com
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AC and DC Coupling of PV and Energy Storage

• July 23rd, 2020
When you connect PV to Energy Storage, you have to decide if you are going to have them connected together via ac or dc electricity. There are benefits to each for different applications. We will talk about the nuances of ac coupling and dc coupling and give you the benefits and drawbacks of each.
 
To find out more and expand your knowledge, go to solarsean.com
 
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Electricity Basics from Energy Storage Class

• July 16th, 2020
In this podcast, we will learn about the basics of electricity, from voltage to the speed of electricity. We will even get inside of the heads of Charles Coulomb and Henry Ampere. Did you know that 1A is about 6 x 10^18 electrons passing by in a second? And that that many electrons, besides being a lot is also called a coulomb and some batteries do charging by coulomb counting. How can anyone count that high?
 
For more interesting facts, listen to Sean's podcasts, go to solarsean.com and sign up for Sean's HeatSpring classes or hire him live!
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Energy Storage System Common Components Part 2 of 2

• July 4th, 2020

In this series of Podcasts we are going to take an unbiased look at different popular Energy System Components. In this podcast we will cover Solar Generac/Pika, Sonnen, Solis, Sol-Ark, Fortress, KiloVault, Trojan Trillium, Rolls, Sunverge, Schneider, SimpliPhi, SMA, BYD and Victron.

To find out more about Sean White, solar and energy storage classes, NABCEP exam Prep, books and customized projects, or even solar installations, go to solarsean.com

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Energy Storage System Common Components Part 1

• June 22nd, 2020

In this series of Podcasts we are going to take an unbiased look at different popular Energy System Components. In this podcast we will cover Solar Edge StorEdge, LG Chem RESU, Enphase and Tesla. In upcoming podcasts in this series, we will cover Generac/Pika, Sonnen, Solis, Sol-Ark, Fortress, KiloVault, Trojan Trillium, Rolls, Sunverge, Schneider, SimpliPhi, SMA, BYD and Victron.

To find out more about Sean White, solar and energy storage classes, NABCEP exam Prep, books and customized projects, or even solar installations, go to solarsean.com

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Lithium Chemistry Podcast

• June 14th, 2020

Upon finishing this podcast, you will forever remember the top three lithium-ion battery chemistries, which are LFP, NMC and NCA, also known as Lithium Iron Phosphate, Lithium Nickel Manganese Cobalt Oxide and Lithium Nickel Cobalt Aluminum Oxide. We will cover more about lithium batteries, such as including the definition of specific energy, which is energy per weight, rather than energy density, which is energy per volume.

To learn more about solar and energy storage, classes and Sean White, go to solarSEAN.com!

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Greg Smith of Sonnen Battery Part 3

• June 8th, 2020

Greg used to be the face of SMA America training and now is the face of Sonnen battery education in the US.

This episode, we talk about energy storage self-consumption, energy storage without backup being common in Germany, PG&E public safety power shutoffs and demand for backup in the us, autonomy, ac-coupling, frequency control, module level power electronics, and some companies overestimating the shading losses with string inverters, which Greg is passionate about.

To find out more about solar education and the easiest way to pass NABCEP exams, go to solarSEAN.com

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Brian Hayden Co-founder HeatSpring Renewable Energy Online Training Platform Part 4

• May 29th, 2020

In this part of my interview with Brian Hayden, we discuss drones, space, making online class content, how COVID effects the solar industry, a view of the solar industry stepping back and blurring out the ups and downs and what does good online training look like. To find out more about this podcast or HeatSpring online training, where Sean has now had 15k students sign up for his online classes, go to solarsean.com

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Radio Station 705: 2020 NEC 705 Interconnected Power Production Sources

• May 22nd, 2020

This is a reading from the 2020 NEC of Article 705 Interconnected Power Production Sources, which features 705.11 Supply-Side Source Connections, 705.12 Load-Side Source Connections and the new in 2020 705.13 Power Control Systems (PCS). 705.13 is new and will be very useful for making interconnections, so that we are not limited by the options in 705.11 and 705.12. When we have very smart electronics coordinating the currents, such as with smart load centers, CTs and smart inverters, PCSs can make sure our busbars do not melt. Artificial Intelligence anyone?

For someone who is just learning about PV or energy storage and has no idea about the NEC, this might be overwhelming, or at least a way to get familiar with the terminology while falling to sleep. For those of you that are familiar with the NEC, dive into island mode!

For more information about Sean White, Solar and Energy Storage, such as online classes or hiring Sean to teach at your company for NABCEP credit, go to solarsean.com.

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