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2. Transformer types - Wikipedia

   en.wikipedia.org/wiki/Transformer_types

   A planar transformer Exploded view: the spiral primary "winding" on one side of the PCB (the spiral secondary "winding" is on the other side of the PCB) Manufacturers either use flat copper sheets or etch spiral patterns on a printed circuit board to form the "windings" of a planar transformer, replacing the turns of wire used to make other ...

3. DC-to-DC converter - Wikipedia

   en.wikipedia.org/wiki/DC-to-DC_converter

   DC-to-DC converters are used in portable electronic devices such as cellular phones and laptop computers, which are supplied with power from batteries primarily. Such electronic devices often contain several sub-circuits, each with its own voltage level requirement different from that supplied by the battery or an external supply (sometimes higher or lower than the supply voltage).

4. 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.

5. Flyback transformer - Wikipedia

   en.wikipedia.org/wiki/Flyback_transformer

   An old style flyback transformer producing an arc Modern CRT television flyback transformer with integral tripler. A flyback transformer (FBT), also called a line output transformer (LOPT), is a special type of electrical transformer. It was initially designed to generate high-voltage sawtooth signals at a relatively high frequency.

6. Power inverter - Wikipedia

   en.wikipedia.org/wiki/Power_inverter

   Utility frequency conversion - if a user in (say) a 50 Hz country needs a 60 Hz supply to power equipment that is frequency-specific, such as a small motor or some electronics, it is possible to convert the frequency by running an inverter with a 60 Hz output from a DC source such as a 12V power supply running from the 50 Hz mains.

7. B&Q - Wikipedia

   en.wikipedia.org/wiki/B&Q

   In May 2023, B&Q opened new distribution centre in Bassetlaw. [24] Later, in August, B&Q opened in Sutton, the UK. [25] In January 2024, B&Q unveiled its plan to open its tenth local store on Staines high street. [26] Later in February, B&Q announced its increase of its hourly rate of pay for its UK employees to £12.21 and up to £13.55 in London.