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2. Power inverter - Wikipedia

   en.wikipedia.org/wiki/Power_inverter

   A power inverter, inverter, or invertor is a power electronic device or circuitry that changes direct current (DC) to alternating current (AC). [1] The resulting AC frequency obtained depends on the particular device employed. Inverters do the opposite of rectifiers which were originally large electromechanical devices converting AC to DC. [2]

3. Solar inverter - Wikipedia

   en.wikipedia.org/wiki/Solar_inverter

   Internal view of a solar inverter. Note the many large capacitors (blue cylinders), used to buffer the double line frequency ripple arising due to single-phase ac system.. A solar inverter or photovoltaic (PV) inverter is a type of power inverter which converts the variable direct current (DC) output of a photovoltaic solar panel into a utility frequency alternating current (AC) that can be ...

4. Mains electricity by country - Wikipedia

   en.wikipedia.org/wiki/Mains_electricity_by_country

   (3) British type G sockets are common in Riau Islands due to their close proximity to Singapore. [47] Iran: C, F 220 V 400 V 50 Hz Iraq: C, D, G 230 V 400 V 50 Hz Ireland: G I.S. 401 [48] 230 V 400 V 50 Hz Type G is the only general purpose outlet type in use in Ireland. Bathrooms may have shaver sockets.

5. Variable-frequency drive - Wikipedia

   en.wikipedia.org/wiki/Variable-frequency_drive

   Small variable-frequency drive Chassis of above VFD (cover removed). A variable-frequency drive (VFD, or adjustable-frequency drive, adjustable-speed drive, variable-speed drive, AC drive, micro drive, inverter drive, variable voltage variable frequency drive, or drive) is a type of AC motor drive (system incorporating a motor) that controls speed and torque by varying the frequency of the ...

6. Synchronverter - Wikipedia

   en.wikipedia.org/wiki/Synchronverter

   Typical control structures for a grid-connected power inverter.(a) When controlled as a voltage supply.(b) When controlled as a current supply. As shown in the figure 3, when the inverter is controlled as a voltage source, it consists of a synchronization unit to synchronize with the grid and a power loop to regulate the real power and reactive ...

7. Rotary phase converter - Wikipedia

   en.wikipedia.org/wiki/Rotary_phase_converter

   A rotary phase converter, abbreviated RPC, is an electrical machine that converts power from one polyphase system to another, converting through rotary motion. Typically, single-phase electric power is used to produce three-phase electric power locally to run three-phase loads in premises where only single-phase is available.

8. Cycloconverter - Wikipedia

   en.wikipedia.org/wiki/Cycloconverter

   Topology of blocking mode cycloconverter [1]. A cycloconverter (CCV) or a cycloinverter converts a constant amplitude, constant frequency AC waveform to another AC waveform of a lower frequency by synthesizing the output waveform from segments of the AC supply without an intermediate DC link (Dorf 1993, pp. 2241–2243 and Lander 1993, p. 181).

9. Napier MRT station - Wikipedia

   en.wikipedia.org/wiki/Napier_MRT_station

   Napier Station was first announced on 29 August 2012 as part of the then-planned Thomson Line (TSL). [4] [5] Contract T217 for the design and construction of Napier Station and associated tunnels was awarded to Sinohydro Corporation Ltd. (Singapore Branch) at S$189 million (US$151 million) in November 2013.