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2. Harbor Freight Tools - Wikipedia

   en.wikipedia.org/wiki/Harbor_Freight_Tools

   Harbor Freight Tools, commonly referred to as Harbor Freight, is an American privately held tool and equipment retailer, headquartered in Calabasas, California. It operates a chain of retail stores, as well as an e-commerce business.

3. Power inverter - Wikipedia

   en.wikipedia.org/wiki/Power_inverter

   The AC output voltage of a power inverter is often regulated to be the same as the grid line voltage, typically 120 or 240 VAC at the distribution level, even when there are changes in the load that the inverter is driving. This allows the inverter to power numerous devices designed for standard line power.

4. Eric Smidt - Wikipedia

   en.wikipedia.org/wiki/Eric_Smidt

   Harbor Freight Tools for Schools awards $1.5 million to skilled trades teachers and their schools annually. [ 11 ] Marking the opening of the 500th Harbor Freight Tools store near Chicago , Smidt announced the contribution of $100,000 and the donation of tools to Chicago Public Schools to support teachers and students in skilled trades learning ...

5. Soft-switching three-level inverter - Wikipedia

   en.wikipedia.org/wiki/Soft-switching_three-level...

   A soft-switching three-level inverter (S3L inverter) is a high-efficiency power electronic inverter intended, in particular, for use with three-phase drives, as a grid-tie inverter for photovoltaic installations or wind turbines and in power supplies. [1] The topology was developed in 2009 at HTWG Konstanz (Constance University of Applied ...

6. Inverterization - Wikipedia

   en.wikipedia.org/wiki/Inverterization

   Inverterization is the process of using an inverter-based motor drive intended to operate an electric motor at a variable speed for the sake of improved efficiency. [1] The main job of the inverter is to control the speed and torque of the motor to match work requirements. [2]

7. Tram derails and crashes into shop in Oslo injuring four - AOL

   www.aol.com/news/tram-crashes-store-central-oslo...

   OSLO (Reuters) -A tram derailed and crashed into a store in central Oslo on Tuesday, injuring the driver and at least three other people, Norwegian police said. The blue tram of the Oslo transport ...