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2. Single-phase electric power - Wikipedia

   en.wikipedia.org/wiki/Single-phase_electric_power

   One supply phase (phase-to-neutral) from the utility is converted to split-phase for the customers. In electrical engineering, single-phase electric power (abbreviated 1φ) is the distribution of alternating current electric power using a system in which all the voltages of the supply vary in unison. Single-phase distribution is used when loads ...

3. Single-phase generator - Wikipedia

   en.wikipedia.org/wiki/Single-phase_generator

   By cutting lines of force through rotation, it produces electric current. The current is sent out of the generator unit through two sets of slip rings and brushes, one of which is used for each end of the armature. In this two-pole design, as the armature rotates one revolution, it generates one cycle of single phase alternating current (AC).

4. Synchronization (alternating current) - Wikipedia

   en.wikipedia.org/wiki/Synchronization...

   In an alternating current (AC) electric power system, synchronization is the process of matching the frequency, phase and voltage of a generator or other source to an electrical grid in order to transfer power. If two unconnected segments of a grid are to be connected to each other, they cannot safely exchange AC power until they are synchronized.

5. Steam–electric power station - Wikipedia

   en.wikipedia.org/wiki/Steam–electric_power_station

   A steam–electric power station is a power station in which the electric generator is steam-driven: water is heated, evaporates, and spins a steam turbine which drives an electric generator. After it passes through the turbine, the steam is condensed in a condenser .

6. Electric generator - Wikipedia

   en.wikipedia.org/wiki/Electric_generator

   A generator can also be driven by human muscle power (for instance, in field radio station equipment). Protesters at Occupy Wall Street using bicycles connected to a motor and one-way diode to charge batteries for their electronics [22] Human powered electric generators are commercially available, and have been the project of some DIY ...

7. Volt-ampere - Wikipedia

   en.wikipedia.org/wiki/Volt-ampere

   The volt-ampere (SI symbol: VA, [1] sometimes V⋅A or V A) is the unit of measurement for apparent power in an electrical circuit.It is the product of the root mean square voltage (in volts) and the root mean square current (in amperes). [2]