engineering

Zhoushan Island Overhead Powerline Tie

Zhoushan Island Overhead Powerline Tie is a engineering topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Zhoushan Island Overhead Powerline Tie rather than just read about it. In short: The Zhoushan Island Overhead Powerline Tie is a 220 kV three-phase AC interconnection of the power grid of Zhoushan Island with that of the Chinese mainland. Description It runs over several islands and consists of several long-distance spans, the longest with a length of 2.7 kilometres (1.7 mi) south of Damao Island (Chinese: 大猫岛; pinyin: dà māo dǎo).

Key takeaways

Zhoushan Island Overhead Powerline Tie belongs to engineering; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Zhoushan Island Overhead Powerline Tie to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Zhoushan Island Overhead Powerline Tie from memory before moving on to harder problems.

Reference excerpt

The Zhoushan Island Overhead Powerline Tie is a 220 kV three-phase AC interconnection of the power grid of Zhoushan Island with that of the Chinese mainland.

Description It runs over several islands and consists of several long-distance spans, the longest with a length of 2.7 kilometres (1.7 mi) south of Damao Island (Chinese: 大猫岛; pinyin: dà māo dǎo). This span uses two 370-metre-tall (1,210 ft) pylons, which were the highest electricity pylons in the world, until a 500 kV line to Zhoushan from mainland was completed. The north tower on Damao Island was completed in 2009, and the south tower on Liangmao Island (凉帽岛; liángmào dǎo) was completed in 2010. These pylons resemble those of the Messina Strait, but are steel-tube lattice structures.

Coordinates 29°56′2.78″N 122°2′10.12″E 29°54′41.39″N 122°1′26.38″E

See also Lattice tower List of tallest freestanding structures in the world List of tallest freestanding steel structures

References

External links SkyscraperPage - Damao Island Span North Tower and South Tower http://www.imaginechina.com/showStoryDetail.ic?id=pau301776# Archived 2016-06-23 at the Wayback Machine##

Illustrations

Worked examples

Example 1 — a first encounter with Zhoushan Island Overhead Powerline Tie

Start with the simplest possible case. Write down what Zhoushan Island Overhead Powerline Tie claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In engineering, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Zhoushan Island Overhead Powerline Tie before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Zhoushan Island Overhead Powerline Tie ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Zhoushan Island Overhead Powerline Tie

In research: Zhoushan Island Overhead Powerline Tie appears in engineering research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Zhoushan Island Overhead Powerline Tie in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Zhoushan Island Overhead Powerline Tie is common in secondary-school and first-year university syllabi. It links to neighbouring topics Electric power infrastructure in China, Electric power stubs, Powerline river crossings, so understanding it makes those chapters shorter.
In everyday life: Look for Zhoushan Island Overhead Powerline Tie outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Zhoushan Island Overhead Powerline Tie in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Zhoushan Island Overhead Powerline Tie means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Zhoushan Island Overhead Powerline Tie out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Zhoushan Island Overhead Powerline Tie in simple terms?

The Zhoushan Island Overhead Powerline Tie is a 220 kV three-phase AC interconnection of the power grid of Zhoushan Island with that of the Chinese mainland. Description It runs over several islands and consists of several long-distance spans, the longest with a length of 2.7 kilometres (1.7 mi) so…

Why does Zhoushan Island Overhead Powerline Tie matter?

Because it connects several engineering ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Zhoushan Island Overhead Powerline Tie?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Zhoushan Island Overhead Powerline Tie.