शैडोइंग अभ्यास: Comparing Low Voltage Vs. Medium Voltage Equipment on Solar Sites - वीडियो के साथ अंग्रेजी बोलना सीखें

पाठ बनाया जा रहा है...
1
Let's work our way backwards from the interconnection point and compare some equipment.
2
First off, we have our system disconnect, which is almost without exception required by utilities for any distributed generation project, with the possible exception of some small residential projects.
3
For low voltage projects, we typically have a blade disconnect.
4
For utility scale systems, especially overhead connected projects, we'll see what's called a GOAB or gang operated airbrake switch.
5
Next up, we have fuses, which can be a really helpful item to have for blanket protection from the utility, which often has a high available fault current.
6
For low voltage projects, we typically have a fuse disconnect.
7
For utility scale systems, especially overhead connected projects, we might see a set of three fuse cutouts.
8
The next protective device might be a main circuit breaker, which can provide a bit more sensitive protection features than a fuse
9
and could also be connected to a shunt trip circuit to be opened by a remote input.
10
For medium voltage systems, a recloser sort of takes the place of a main circuit breaker, but with a whole lot more bells and whistles.
11
A pole-mounted recloser is separated into two sections, a switching unit at the top of the pole and a control relay, usually mounted at ground level.
12
The relay senses what's happening in the switching unit
13
and tells the switching unit to open or close according to the settings in the relay.
14
Most low-voltage circuit breakers are not set up to trip on voltage or frequency, but this is a standard function of a recloser.
15
In almost every PV system nowadays, you're going to have some kind of revenue metering.
16
In the low-voltage world, this could be a CT cabinet like the one shown here.
17
For overhead medium-voltage systems, you're likely to see a primary metering rack, though a good percentage of projects still meter each subarray at the low-voltage side,
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either in addition to or instead of at medium voltage.
19
Transformers are not always used in commercial systems, but they're also not totally uncommon either,
20
especially when you encounter a 208 volt service, but you want to use a 480 volt string inverters for rooftop stringing efficiencies.
21
If they're used, they typically are dry type transformers, less than 300 kVA.
22
One of the key differentiators of utility scale projects, in addition to being connected at medium voltage is that they use a step-up transformer,
23
so you'll have one or more of these on every project. And lastly are inverters.
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While you might see a 120kW Ving inverter like this one here on a commercial project, utility-scale projects sometimes use single inverters that are 2MW or more
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and are often combined into skids of 4-6MW and paired with a transformer.
26
Fortunately, however, solar modules are still solar modules.
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Kind of.
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Thank you.
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इस पाठ की शब्दावली और बोलने के सुझाव

इस वीडियो में शैडोइंग के लिए 28 वाक्य और 475 शब्द हैं। बोला गया हिस्सा 2:42 लंबा है। वक्ता लगभग 176 शब्द प्रति मिनट की स्वाभाविक गति से बोलता है, जो रोज़मर्रा की बातचीत के करीब है। केवल 71% शब्द अंग्रेज़ी के 3,000 सबसे आम शब्दों में से हैं, इसलिए शब्दावली कठिन है।

इस वीडियो की मुख्य शब्दावली

वीडियो के 15 सीखने लायक शब्द, उच्चारण और अर्थ के साथ:

शब्दउच्चारणअर्थ
voltage संज्ञा/ˈvəʊltɪd͡ʒ/विभवांतर, वोल्टता
mount क्रिया/maʊnt/चढ़ना
string संज्ञा/stɹɪŋ/तार, रस्सी
exception संज्ञा/əkˈsɛpʃən/अपवाद
pole संज्ञा/pəʊl/ध्रुव, क़ुतुब
module संज्ञा/ˈmɑd͡ʒul/मॉड्यूल
percentage संज्ञा/pə(ɹ)ˈsɛntɪd͡ʒ/प्रतिशतता
compare क्रिया/kəmˈpɛɚ/तौलना
helpful विशेषण/ˈhɛlp.fl̩/मददगार
remote विशेषण/ɹəˈməʊt̞/दूर, दूरस्थ
frequency संज्ञा/ˈfɹiːkwənsi/आवृत्ति
residential विशेषण/ˌrɛzɪˈdɛnʃəl/आवासीय
encounter क्रिया/ɪnˈkaʊntɚ/सामना, भेंट
blade संज्ञा/bleɪd/ब्लेड
combine क्रिया/kəmˈbaɪn/मिलाना

इस वीडियो का व्याकरण

वक्ता जिन संरचनाओं का सबसे अधिक प्रयोग करता है, वीडियो के असली शब्दों के साथ:

संरचनावीडियो में
Passive voice be + past participle — ज़ोर इस पर कि क्या होता है, न कि कौन करता हैbe connected · is separated · are not set
Relative clauses who / which + उपवाक्य — व्यक्ति या वस्तु के बारे में अतिरिक्त जानकारीdisconnect, which is · fuses, which can · breaker, which can

ध्यान देने योग्य उच्चारण

वक्ता 6 बार संक्षिप्त रूपों का प्रयोग करता है, जैसे they're, you're, we'll। इन्हें वैसे ही छोटा बोलें जैसा आप सुनते हैं।

  • “sh” और “zh” की ध्वनियाँ: exception /əkˈsɛpʃən/, efficiency /ɪˈfɪʃ.ən.si/, residential /ˌrɛzɪˈdɛnʃəl/, differentiator /dɪf.əˈɹɛn.ʃi.eɪ.tə/, interconnection /ˌɪn.tɚ.kəˈnɛk.ʃən/
  • लंबे शब्द — बलाघात सही रखें: utility /juːˈtɪlɪti/, efficiency /ɪˈfɪʃ.ən.si/, residential /ˌrɛzɪˈdɛnʃəl/, fortunately /ˈfɔɹ.t͡ʃə.nɪt.li/, differentiator /dɪf.əˈɹɛn.ʃi.eɪ.tə/

इस वीडियो से अभ्यास कैसे करें

  1. पहले बिना बोले पूरा वीडियो एक बार सुनें और जो शब्द नहीं आते उन्हें लिख लें।
  2. 0.75× गति से शुरू करें, एक-एक वाक्य की शैडोइंग करें, और सहज लगने पर सामान्य गति पर लौटें।
  3. अपनी आवाज़ रिकॉर्ड करें और मूल से तुलना करें, ख़ासकर voltage, mount, string जैसे शब्दों पर ध्यान दें।

शैडोइंग तकनीक क्या है?

शैडोइंग (Shadowing) एक विज्ञान-समर्थित भाषा सीखने की तकनीक है जो मूल रूप से पेशेवर दुभाषिया प्रशिक्षण के लिए विकसित की गई थी। विधि सरल लेकिन शक्तिशाली है: आप मूल अंग्रेज़ी ऑडियो सुनते हैं और तुरंत इसे ज़ोर से दोहराते हैं — जैसे वक्ता की छाया 1-2 सेकंड की देरी से। शोध से पता चलता है कि यह उच्चारण सटीकता, स्वर, लय, जुड़ी हुई ध्वनियाँ, सुनने की समझ और बोलने की प्रवाहशीलता में काफ़ी सुधार करता है।

शैडोइंग तकनीक: पूरी चरण-दर-चरण गाइड पढ़ें →