engineering

HVDC Troll

HVDC Troll 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 HVDC Troll rather than just read about it. In short: The HVDC Troll is a bipolar high-voltage direct current (HVDC) electric power transmission line for the supply of the gas compressor station on the offshore construction work Troll A platform. It consists of dual set of a 68-kilometre (42 mi) long bipolar submarine cable designed for ±60 kV between the inverter at the Troll A platform and the static rectifier station at Kollsnes in Norway.

Key takeaways

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

Reference excerpt

The HVDC Troll is a bipolar high-voltage direct current (HVDC) electric power transmission line for the supply of the gas compressor station on the offshore construction work Troll A platform. It consists of dual set of a 68-kilometre (42 mi) long bipolar submarine cable designed for ±60 kV between the inverter at the Troll A platform and the static rectifier station at Kollsnes in Norway. The HVDC Troll has a maximum transmission rate of 84 megawatt. In 2013 work started on a new rectifier station at Kollsnes for supplying the two new compressors being installed on Troll A.

Sites

Worked examples

Example 1 — a first encounter with HVDC Troll

Start with the simplest possible case. Write down what HVDC Troll 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 HVDC Troll 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 HVDC Troll 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 HVDC Troll

In research: HVDC Troll 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 HVDC Troll 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: HVDC Troll is common in secondary-school and first-year university syllabi. It links to neighbouring topics 2005 establishments in Norway, Electric power infrastructure in Norway, Electric power stubs, so understanding it makes those chapters shorter.
In everyday life: Look for HVDC Troll 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 HVDC Troll in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what HVDC Troll 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 HVDC Troll out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is HVDC Troll in simple terms?

Why does HVDC Troll 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 HVDC Troll?

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 HVDC Troll.