physics

Solel

Solel 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 Solel rather than just read about it. In short: Solel Solar Systems Ltd. (Hebrew: סולל) was an Israeli solar thermal equipment designer and manufacturer based in Beit Shemesh, Israel.

Key takeaways

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

Reference excerpt

Solel Solar Systems Ltd. (Hebrew: סולל) was an Israeli solar thermal equipment designer and manufacturer based in Beit Shemesh, Israel. Solel made equipment for solar thermal power plants, facilities that used the sun's heat to create steam and turn an electricity generator.

In 2007, Solel signed a contract with Pacific Gas & Electric to supply 553 MW from its planned Mojave Solar Park, California. The parabolic trough project was cancelled in 2011. In a joint venture with the Spanish Valoriza Energía, Solel planned a parabolic-trough plant in Spain. After three years of construction, one of originally three 50-MW units started operation in December 2011. In October 2009, Siemens signed a $418-million contract to buy Solel Solar Systems. As part of the deal, Siemens committed itself to leave the company headquarters and some of its manufacturing facilities in Israel for at least five years. Three years later, in an environment of plunging prices for photovoltaic power generation, Siemens announced plans to sell off the subsidiary, without success. In 2013, Siemens gave up its solar business.

Illustrations

Worked examples

Example 1 — a first encounter with Solel

Start with the simplest possible case. Write down what Solel 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 Solel 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 Solel 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 Solel

In research: Solel 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 Solel 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: Solel is common in secondary-school and first-year university syllabi. It links to neighbouring topics Beit Shemesh, Manufacturing companies of Israel, Siemens, so understanding it makes those chapters shorter.
In everyday life: Look for Solel 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 Solel in 20 minutes

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

Frequently asked questions

What is Solel in simple terms?

Solel Solar Systems Ltd. (Hebrew: סולל) was an Israeli solar thermal equipment designer and manufacturer based in Beit Shemesh, Israel.

Why does Solel 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 Solel?

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 Solel.