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2. High-leg delta - Wikipedia

   en.wikipedia.org/wiki/High-leg_delta

   Center-tapped delta transformer Center-tapped delta transformer voltages. High-leg delta service is supplied in one of two ways. One is by a three-phase transformer (or three single-phase transformers), having four wires coming out of the secondary, the three phases, plus a neutral connected as a center-tap on one of the windings.

3. Buck–boost transformer - Wikipedia

   en.wikipedia.org/wiki/Buck–boost_transformer

   Buck–boost transformers can be used to power low voltage circuits including control, lighting circuits, or applications that require 12, 16, 24, 32 or 48 volts, consistent with the design's secondaries. The transformer is connected as an isolating transformer and the nameplate kVA rating is the transformer’s capacity. [2]

4. Ćuk converter - Wikipedia

   en.wikipedia.org/wiki/Ćuk_converter

   Comparison of non-isolated switching DC-to-DC converter topologies: Buck, Boost, Buck-Boost, Ćuk. The input is left side, the output with load is right side. The switch is typically a MOSFET, IGBT, or BJT transistor. The Ćuk converter [1] (Serbo-Croatian:, English: / ˈ tʃ uː k /) is a type of buck-boost converter with low ripple current. [2]

5. Mains electricity by country - Wikipedia

   en.wikipedia.org/wiki/Mains_electricity_by_country

   Frequency and voltage supplied to most premises by country. Mains electricity by country includes a list of countries and territories, with the plugs, voltages and frequencies they commonly use for providing electrical power to low voltage appliances, equipment, and lighting typically found in homes and offices.

6. Vector group - Wikipedia

   en.wikipedia.org/wiki/Vector_group

   For example, a transformer with a vector group of Dy1 has a delta-connected HV winding and a wye-connected LV winding. The phase angle of the LV winding lags the HV by 30 degrees. Note that the high-voltage (HV) side always comes before the low-voltage (LV) side, regardless of which is the primary winding.

7. The 20 best sales this weekend: Candy for stockings, wool ...

   www.aol.com/lifestyle/the-20-best-sales-this...

   The Ninja Creami tends to sell out when it goes on sale. It's no longer on sale on Amazon, but at Walmart, it's still on sale — and only $149. You can whip up pints of ice cream with just a few ...