physics

SDE Sea Wave

SDE Sea Wave is a physics 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 SDE Sea Wave rather than just read about it. In short: SDE Sea Wave is a type of renewable energy power plant technology utilizing sea wave energy for the production of electricity. The SDE Sea Wave technology was developed by Israeli company SDE Energy from 1996 to 2014.

Key takeaways

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

Reference excerpt

SDE Sea Wave is a type of renewable energy power plant technology utilizing sea wave energy for the production of electricity. The SDE Sea Wave technology was developed by Israeli company SDE Energy from 1996 to 2014. The technology was invented by Shmuel Ovadia, but he initially struggled to secure investment to commercialise the technology.

Technology The system consists of horizontal buoys, with one end attached to a breakwater or another sea-based structure. These buoys move vertically in response to sea waves, creating mechanical motion that presses on a hydraulic liquid. The hydraulic system then converts this energy into circular motion, driving an electricity generator to produce power. The innovation lies in the system's self-correcting mechanism, which allows the buoys to flip over in large waves and wait for calmer conditions to reset, enhancing durability. Only 10% of the system's components are submerged, reducing exposure to corrosive sea water.

Development and Projects SDE Energy built and tested twelve different models of its wave energy system. A notable full-scale model was deployed in 2010 at Jaffa Port near Tel Aviv, producing 40 kWh of electricity over a period of two years. In March 2010, SDE Energy announced plans to build a 250 kW model in the port of Jaffa and to develop a 100 MW power plant in locations such as the islands of Kosrae, Micronesia, and Zanzibar. By 2012, the company was building the second of three projects in China, a 150 kW device in Dongping, Ruyuan County, with the third expected to be rated at 500 kW. Cooperation agreements were also in place to develop 100 MW of wave power in India. Plans were also announced to build SDE power plants in Ecuador and the Galápagos Islands. There is no record of any of these plans being constructed.

Acquisition By 2014, the technology rights, patents and projects had been acquired by the Chinese Blackbird International Corporation subsidiary Wave Electricity Renewable Power Ocean (WERPO). However, in 2016 WERPO sold the technology rights to the Israeli renewable energy developer Shahar Energy.

References

External links

S.D.E. Energy LTD. official site

Worked examples

Example 1 — a first encounter with SDE Sea Wave

Start with the simplest possible case. Write down what SDE Sea Wave claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In physics, 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 SDE Sea Wave 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 SDE Sea Wave 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 SDE Sea Wave

In research: SDE Sea Wave appears in physics 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 SDE Sea Wave 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: SDE Sea Wave is common in secondary-school and first-year university syllabi. It links to neighbouring topics Electric power companies of Israel, Power station technology, Wave energy converters, so understanding it makes those chapters shorter.
In everyday life: Look for SDE Sea Wave 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 SDE Sea Wave in 20 minutes

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

Frequently asked questions

What is SDE Sea Wave in simple terms?

Why does SDE Sea Wave matter?

Because it connects several physics 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 SDE Sea Wave?

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 SDE Sea Wave.