쉐도잉 연습: What’s a electrical substation and how does it work? - 영상으로 영어 말하기 배우기

Have you ever seen a giant steel puzzle like this?

It's a substation, and there are over 530 of them in Quebec.

No two are the same, and each one has its own name.

But what is a substation?

What role does it play in the transmission and distribution of electricity?

A substation connects parts of the power grid that aren't at the same voltage level.

Voltage is the difference in electrical potential between two points, and it's measured in volts.

If there's no voltage, there's no power.

The substation's main role is to raise or lower the voltage level of the electricity before it reaches our homes.

It also directs the electricity by determining the route it will take to reach its destination, and it protects the grid.

The voltage of the electricity varies as it makes its way from the generating station to our neighborhoods.

Over long distances, the voltage which can reach up to 735,000 volts.

That's extra high voltage.

But at home, our appliances and devices operate at 120 or 240 volts.

That's low voltage.

On its journey, the electricity stops at several substations and changes voltage.

Substations adjust the voltage of the electricity as it moves from the generating station to our outlets.

But what happens in a substation?

Electricity enters through flexible conductors, which are cables supported by towers.

In the substation, it passes through bus bars, which are usually large, rigid conductors.

A voltage transformer measures the voltage, and a current transformer measures the intensity of the current in amperes.

Next is the breaker.

It protects the grid and the equipment in the substation by automatically cutting off the power when there's a problem.

It can also be opened and closed manually for maintenance, for example.

It's like the circuit breakers in your distribution panel at home.

There are different models, but they all serve the same purpose.

The disconnect switch is a huge switch.

It's easy to see if it's open or closed.

It's used in different places to disconnect equipment from the grid or provide an alternative path for the electricity.

The disconnect switch is essential to keep people safe.

This is the power transformer, the heart of the substation.

It's inside this giant green box that the voltage is raised or lowered.

Here, the transformer lowers the voltage from 315,000 to 25,000 volts.

Not far from the transformer are the surge arresters.

They protect the transformers from overvoltage.

When there are lightning strikes or switching operations, they send the electricity towards the ground.

And on the ground, there's a grid of metal wires.

It's a safety device that protects the entire substation.

This grounding grid disperses the electricity downwards as a safety measure.

As it leaves the transformer, the electricity is guided to more bus bars, breakers and disconnect switches before moving to its next destination.

At the last substation in the transmission system, electricity leaves through underground or overhead cables.

That's the final stop before power is distributed to various neighborhoods.

To make sure Hydro-Quebec can monitor and coordinate everything that happens in the substation,

all the equipment is connected to a control and protection system that's housed in a control building.

Most of the time, the operations are automated and carried out remotely.

That's why it often seems like substations are empty.

Hydro-Quebec crews only go there to carry out certain switching operations, maintenance, and repairs.

But don't be fooled.

Substations may look like quiet places, but there are risks of electrical injury and even electrocution.

No one should ever go near a substation or try to enter one.

Only Hydro-Quebec crews can go inside.

They know all the substation secrets and always wear the right personal protective equipment.

Now, the next time you see a substation, you'll know what goes on inside.

It won't seem like a puzzle, but rather like the place where electricity makes some important stops

as it makes its way from the generating station to our homes.

✨ 추천 영상

131 문장

The New Canadian EV Car Could End the Entire EV Industry!

Business EnglishUniversity StudentsWorking Adults

54 문장

How does a high voltage power circuit breaker work? 115kv SF6 gas breaker explained in laymans terms

Business EnglishUniversity StudentsWorking Adults

28 문장

이 레슨의 어휘와 말하기 포인트

이 영상에는 섀도잉할 문장 55개와 단어 661개가 있습니다. 말하는 구간의 길이는 4:39입니다. 화자는 분당 약 142단어의 일정한 속도로 말해서 섀도잉하기에 편한 속도입니다. 영어에서 가장 많이 쓰이는 3,000단어에 속하는 단어가 75%뿐이라 어휘가 어려운 편입니다.

이 영상의 핵심 어휘

영상에 나오는 덜 흔한 단어 15개를 발음, 뜻과 함께 정리했습니다.

voltage /ˈvəʊltɪd͡ʒ/ (명사) — 전압. The difference in electrostatic potential between two points in space, especially between live and neutral conductors or the earth.
grid /ɡɹɪd/ (명사) — 격자, 그리드. A rectangular array of squares or rectangles of equal size, such as in a crossword puzzle.
connect /kəˈnɛkt/ (동사) — 잇다, 연결하다. To join (to another object): to attach, or to be intended to attach or capable of attaching, to another object.
destination /dɛstɪˈneɪʃən/ (명사) — 목적지. The place set for the end of a journey or to which something is sent; place or point aimed at.
leaf /lif/ (명사) — 잎. The usually green and flat organ that represents the most prominent feature of most vegetative plants.
puzzle /ˈpʌzəl/ (명사) — 난제, 난문. The state of feeling confused or mystified because one cannot understand a complicated matter, a problem, etc.; bewilderment, confusion; (countable) often in…
conductor /kənˈdʌktɚ/ (명사) — 지휘자. One who conducts or leads; a guide; a director.
wire /ˈwaɪɚ/ (명사) — 철사. Metal formed into a thin, even thread, now usually by being drawn through a hole in a steel die.
repair /ˈɹiːpɛɚ/ (동사) — 고치다, 수리하다. To restore to good working order, fix, or improve damaged condition; to mend; to remedy.
monitor /ˈmɑ.nɪ.tɚ/ (명사) — 모니터. Someone who watches over something; a person in charge of something or someone.
underground /ˌʌn.dəɹˈɡɹaʊnd/ (형용사) — 땅속, 땅굴. Below the ground; below the surface of the Earth.
lightning /ˈlaɪt.nɪŋ/ (명사) — 번개, 벼락. A flash of light produced by short-duration, high-voltage discharge of electricity within a cloud, between clouds, or between a cloud and the earth.
intensity /ɪnˈtɛnsɪti/ (명사) — 강도. The quality of being intense.
flexible /ˈflɛk.sɪ.bəl/ (형용사) — 유연한. Capable of being flexed or bent without breaking; able to be turned or twisted without breaking.
outlet /ˈaʊtlɛt/ (명사) — 출구. A vent or similar passage to allow the escape of something.

영상에 나오는 구동사

carry out /ˈkæ.ɹi aʊt/ (동사) — 실행하다, 행하다. To hold while moving it out.

주의할 발음

화자는 aren't, don't, won't 같은 축약형과 약화된 형태를 4번 사용합니다. 들리는 대로 짧게 발음하세요.

“sh”와 “zh” 소리: transmission /tɹænsˈmɪʃən/, destination /dɛstɪˈneɪʃən/, substation /sʌbˈsteɪʃən/, electrocution /ɪˌlɛktɹəˈkjuːʃən/
긴 단어 — 강세 위치에 주의: electricity /ɪˌlɛkˈtɹɪsɪti/, electrical /ɪˈlɛktɹɪkəl/, destination /dɛstɪˈneɪʃən/, intensity /ɪnˈtɛnsɪti/, coordinate /koʊˈɔɹ.dəˌneɪt/

이 영상으로 연습하는 방법

먼저 말하지 않고 영상을 끝까지 듣고 모르는 단어를 적어 둡니다.
보통 속도로 한 문장씩 섀도잉하고, 화자의 리듬과 맞을 때까지 반복합니다.
자신의 목소리를 녹음해 원본과 비교하고, voltage, grid, connect 같은 단어에 특히 주의합니다.

이 영상의 문법

화자가 가장 많이 쓰는 문형을 영상 속 실제 표현과 함께 정리했습니다.

문형	영상 속 표현
수동태 be + 과거분사 — 누가 하는지보다 무슨 일이 일어나는지에 초점	be opened · is raised · is guided
관계절 who / which + 절 — 사람이나 사물에 대한 추가 정보	voltage which can · conductors, which are · bars, which are

쉐도잉이란? 영어 실력을 빠르게 키우는 과학적 방법

쉐도잉(Shadowing)은 원래 전문 통역사 훈련을 위해 개발된 언어 학습 기법으로, 다언어 학자인 Dr. Alexander Arguelles에 의해 대중화된 방법입니다. 핵심 원리는 간단하지만 매우 강력합니다: 원어민의 영어를 들으면서 1~2초의 짧은 지연으로 즉시 소리 내어 따라 말하는 것——마치 '그림자(shadow)'처럼 화자를 따라가는 것입니다. 문법 공부나 수동적인 청취와 달리, 쉐도잉은 뇌와 입 근육이 동시에 실시간으로 영어를 처리하고 재현하도록 훈련합니다. 연구에 따르면 이 방법은 발음 정확도, 억양, 리듬, 연음, 청취력, 말하기 유창성을 크게 향상시킵니다. IELTS 스피킹 준비와 자연스러운 영어 소통을 원하는 분들에게 특히 효과적입니다.

섀도잉 방법: 단계별 전체 가이드 읽기 →

쉐도잉 연습: What’s a electrical substation and how does it work? - 영상으로 영어 말하기 배우기

How Do Substations Work?

The New Canadian EV Car Could End the Entire EV Industry!

How does a high voltage power circuit breaker work? 115kv SF6 gas breaker explained in laymans terms

Comparing Low Voltage Vs. Medium Voltage Equipment on Solar Sites

RE3 Unit 7B

What is a Server? Servers vs Desktops Explained

Concept of Electric Current with Train example | TheElectricalGuy

Solar Storm Could Black Out Half of America - This Map Shows Where

Electrical Engineering Simply Explained

Working Principle of Chiller Plant | Animation | English

The secret underground pipeline across Britain

THIS Is Where the Internet Lives