跟讀練習: Intro to Pylontech’s US5000 48 Volt Lithium Battery - 通過影片學習英語口語
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Hello, thanks for joining us here at Intelligent Controls.
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I'm Mike.
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Today we're going to talk about the US5000 battery from Pylon Tech.
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The US5000 battery is what we have right here in front of us.
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But before we jump into the battery itself, let's talk a little bit about Pylon Tech, the company.
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Pylon Tech is one of the largest battery manufacturers in the world today.
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They were founded back in 2009 as a company dedicated to energy storage.
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They produce all of their components, their cells, their BMS boards in-house.
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This gives them full control over their quality, allows them to fine-tune the performance of their batteries, and results in an excellent product.
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As of 2022, Pylon Tech led the world globally in systems shipped for residential battery systems.
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So enough about the company, let's talk about the battery.
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The US 5000 48-volt battery is a standard rack mount.
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It has 4.8 kilowatt hours of capacity and a 1C rating of 100 amps.
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Pretty standard stuff, but when we dig deeper, we start seeing how this separates itself from the pack.
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So first of all, let's talk about the depth of discharge.
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The depth of discharge on the US5000 is 95%.
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This is a little unique in the market.
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Often you'll see 80% depth of discharge ratings or even 100% depth of discharge ratings.
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A little word about that.
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The 80% depth of discharge makes sense for most lithium batteries because 80%, that middle 80% ground, is the happy zone for the lithium ferrophosphate chemistry.
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As far as the 100% depth of discharge goes, well, you could charge them and discharge them down to 100%,
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but you probably don't want to because lithium chemistries are not happy with that.
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I personally am skeptical anytime I see a 100% depth of discharge rating on a lithium ferrophosphate battery.
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Not so with the Pylon tech.
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95% depth of discharge is something they're very confident with.
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And they're so confident that within the last four months, they actually upped their cycle rating from 6,000 to 8,000 cycles.
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That's based off real world in the field data.
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Not some marketing numbers to make the battery look good on paper.
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We can confirm this.
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Pylon Tech can confirm this.
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The thousands and thousands and thousands of happy Pylon Tech customers across the U.S and globally can confirm this.
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And that gives you a total of 36,480 kilowatt hours of throughput capacity on your battery over its lifespan.
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It's about 15, 20 years of expected life out of these batteries.
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Charging them up to full, discharging them down to 5%, 8,000 times.
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So, enough about that depth of discharge, let's talk about the warranty.
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The warranty is another area where Pylon Tech excels.
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Let's face it, this industry is rapidly moving and growing
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and changing and as a result many battery companies
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that seemed like a pretty big deal five years ago are no longer around or have been bought out.
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This makes the efficacy of their warranties questionable at best.
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Not so Pylon Tech.
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As I've said, they've been here since 2009.
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They show no signs of going away.
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And on top of that, the warranty, which is 10 years when registered, is non-prorated.
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This is another pretty big deal.
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Most battery companies will prorate your warranty, which means that they're going to look at how much capacity has been used out of the battery's effective lifespan.
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If you're sitting at 50% and you need to warranty your battery, you're only going to get 50% of the value because you've used half of it already.
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Our experience with the batteries has been excellent.
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We've been working with Pylon Techs for many years
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and recently have signed on to be their distributor for the North American market.
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We've serviced maybe a thousand or so systems and our experience with the failure rate is incredibly low.
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I would say less than one to two percent.
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Fold us closer, this is not the cheapest battery out there.
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But when calculated out over its lifespan, it does come out to be one of the most economical options available as you get many,
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many years of full use out of it.
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Next thing to talk about is the BMS.
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The BMS, which takes up about this much of the front half of the battery, is the industry standard.
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Now, BMS is a battery management system.
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For most BMSs, they're not really managing anything.
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We see a lot in this market that the BMS effectively acts just as a kill switch.
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They're to shut operation down if parameters get outside of spec.
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If we're dealing with voltage imbalances, adverse temperatures, crazy inrushes of current, a BMS is just going to close the gate, turn the battery off, prevent damage.
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Pylon Tech actually takes a step further than that and manages the battery,
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particularly a string of battery if you use multiples connected in communication, to optimize performance.
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The master battery will actually communicate a lot of what's going on in the subsequent batteries up to your inverter
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or your connected system and allow optimization of charging, discharging, allow individual batteries to go online or offline based on the conditions,
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such as, say, temperature, without interrupting total operation.
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The BMS then makes all of this information available via CAN bus
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or RS-485 for modern closed-loop communications with a variety of the best inverters available on the market Victron,
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Solark, Schneider, etc. Often
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when dealing with high-end inverter systems the battery is not the smartest part of the system
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which is unfortunate because the battery is the one component that is affected by everything.
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Power comes in, power goes out, it all touches the battery.
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With a Victron system which which as you can see from the blue boxes surrounding me is largely what we work with.
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Pylon Tech batteries are a match made in heaven.
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Utilizing Victron's DVCC function, the battery takes control of the whole system and with Pylon Techs, they do it flawlessly.
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The battery is actually going to control what rate it wants to charge at, what rate it wants to discharge at.
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It's going to let us know what the highest temperature and the lowest temperature is of any of the modules, rather than just giving us an average.
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along with high and low cell voltages, fully communicate any alarms and such.
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Now under normal operating conditions, you can hook up 16 of these batteries in a parallel communication string.
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You want them to be in communication because it's the 21st century
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and closed-lip communication is how we communicate with the inverter and make sure your system is robust and safe.
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So yeah, 16 of those in parallel.
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However, if you want to get crazy, you can pull out a low voltage combiner hub available from Pylon Tech.
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And using one of those, you can hook up 96 of these units in parallel for a total of 460.8 kilowatt hours.
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Now that right there should ring some bells.
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This battery is not just for residential use.
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Well, it makes a great residential battery.
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Three or four of these is great for a off-grid home.
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However, if you're looking to take things to the next level, Pylon Tech has designed this to fit seamlessly into industrial
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or commercial applications where you need a lot of power and you need it to be reliable.
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Finally, we're going to talk about potentially the coolest feature that maybe takes a little bit of understanding.
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And that is the backwards compatibility that these batteries have with older models.
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Now, backwards compatibility in this case means two things.
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First, the firmware.
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Pylon Tech is committed in all future firmware updates for the life cycle of this battery,
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15 plus years, to making sure that any new units coming out are backwards compatible with their software with the older batteries.
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Which means that if in the future you would like to extend the capacity of your bank
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or if you have an issue with one of your units and you need to replace it, a new battery will seamlessly integrate into your existing system.
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You just plug it in on top, we're going to call that the master battery at the top of the string connected to the inverter.
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Turn it on.
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Good to go.
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Now, the second area of backwards compatibility, which you may have picked up on, is the fact that you can add capacity after the fact.
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Now, due to the nature of electricity in a parallel connection
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and the way that a lithium battery loses capacity as it ages, this is generally a big no-no in the industry.
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Actually, it's kind of like buying a car that won't let you change the tire.
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For most batteries, if your battery goes dead,
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everything else that was bought and operated with that battery is now not dead,
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but you can't use it with anything else because they're now sitting at a 90% capacity versus 100% capacity.
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Not only is that going to limit the system efficiency if you put a 100 capacity battery in there, it might actually lead to dangerous voltage
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and current rushes in between the batteries as they are not in balance with each other.
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We will also talk further about that on a later video, but for now just keep that in mind.
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These make a robust system.
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You can service them, you can add capacity later.
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Combine that with the fact that you can effectively hot swap damaged units
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and you have a system that has no downtime is easily serviceable
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and has a very very long service life great truly impressive
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all in all the applications for these batteries are many whether you're a residential consumer with a off-grid cabin
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if you're looking to add battery backup to your grid-tied solar system
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or you are a commercial customer looking to utilize these in hybrid generator systems or etc.
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We are here to support you in utilizing Pylon Tech.
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We've got many years of experience with thousands of systems and we are happy to answer questions, provide support, troubleshoot issues, process warranties,
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anything else you could possibly expect.
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If you're interested in checking these batteries out or adding them to your product line, give us a call, shoot us an email.
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I am a real person my email is listed below.
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I'm happy to answer any questions you have.
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Mike at icmontana.com.
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You can also visit icmontana.com and read any of our blog posts
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or technical articles if you're looking to learn more about Victron, Pylon Tech, or energy systems in general.
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Anyhow, thank you for joining us.
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Have a great day.
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you
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為什麼要通過這個影片練習口語？
在當今快速發展的科技時代，瞭解和使用高效能的電池系統已成為重要的知識。這段影片介紹了Pylontech的US5000電池，不僅讓觀眾瞭解產品的詳細資訊，還通過生動的示例和直接的解釋，創造了一個理想的 shadow speak 環境。通過 看YouTube學英語，學習者可以模仿演講者的語調和節奏，從而提高口語能力。
語法與表達在上下文中的應用
影片中使用了若干句型和表達，這些都是提升英語口語的重要工具：
- As far as... goes: 這個表達用於引入特定主題。例如，“As far as the 100% depth of discharge goes”，有助於清晰地界定主題，為聽者提供具體資訊。
- Let's talk about: 這種句式直接引出話題，使交流更加流暢，同時鼓勵聽眾注意接下來的內容。
- They are very confident: 這種用法強調可靠性和信心。使用這樣的表達能夠有效傳達出產品的優勢，適合於描述產品保障和服務。
這些句型在雅思口語練習中非常有用，學習者可以通過模仿提升自己的表達能力。
常見發音陷阱
在影片中，有一些發音可能對非母語者構成挑戰：
- “depth”: 這個詞的發音可能容易搞混，尤其是和其他相似結構的詞比較時。確保學習者反覆聽並練習這個單詞的發音。
- “discharge”: 在快速說話時，母音的清晰度可能受到影響，導致理解上的困難。強調清晰發音對於提升 提高英語發音 至關重要。
- 人聲語調: 影片中的語調和速度變化值得模仿，可以幫助學習者掌握更自然的語音表達，特別是在進行 shadow speech 時。
通過重複這些發音練習，學習者不僅可以提高發音的準確性，還能在實際對話中自信地表達自己。
影片中的語法
說話人最常用的結構，並附上影片中的原話：
| 結構 | 影片中的用法 |
|---|---|
| 現在完成時 have/has + 過去分詞 — 過去發生但與現在仍有關聯的事 | have been bought · I've said · has been |
| 被動語態 be + 過去分詞 — 強調發生了什麼，而不是誰做的 | were founded · have been bought · is affected |
| 定語從句 who / which + 從句 — 補充說明人或事物 | warranty, which is · warranty, which means |
什麼是跟讀法？
跟讀法 (Shadowing) 是一種有科學依據的語言學習技巧，最初開發用於專業口譯員的培訓，並由多語言者Alexander Arguelles博士普及。這個方法簡單而強大：您在聽英語母語原聲的同時立即大聲重複——就像是一個延遲1-2秒緊跟說話者的影子。與被動聽力或語法練習不同，跟讀法強迫您的大腦和口腔肌肉同時處理並模模擬實的講話模式。研究表明它能顯著提高發音準確性，語調，節奏，連讀，聽力理解和口語流利度——使其成為雅思口語備考和真實英語交流最有效的方法之一。