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  2. Kawasaki Heavy Industries & CSR Qingdao Sifang C151A

    en.wikipedia.org/wiki/Kawasaki_Heavy_Industries...

    A break from tradition, the C151A trains features auxiliary inverters for its electrical systems on all six cars of the train. Previously, auxiliary inverters were mounted only on motor cars. The VVVF Inverter is controlled by IGBT semiconductors and rated at 80 kV. A battery charger is built with the inverter and provides 16 kW (21 hp) output.

  3. Kawasaki Heavy Industries & CSR Qingdao Sifang C151B

    en.wikipedia.org/wiki/Kawasaki_Heavy_Industries...

    These electric systems are made in Japan. Propulsion is controlled by VVVF inverter with two-level IGBT semiconductor controller, rated at 415 kVA. Each inverter unit controls two motors on one bogie (1C2M), and one motor car features two of such units. Motors are three-phase AC induction type, model MLR111, with a maximum output of 150 kW (200 ...

  4. Uninterruptible power supply - Wikipedia

    en.wikipedia.org/wiki/Uninterruptible_power_supply

    The motor side of the unit in case Nos. 2 and 3 can be driven directly by an AC power source (typically when in inverter bypass), a 6-step double-conversion motor drive, or a 6-pulse inverter. Case No. 1 uses an integrated flywheel as a short-term energy source instead of batteries to allow time for external, electrically coupled gensets to ...

  5. Tesla Powerwall - Wikipedia

    en.wikipedia.org/wiki/Tesla_Powerwall

    The Powerwall 1 battery uses nickel-manganese-cobalt chemistry [31] and can be cycled 5,000 times before warranty expiration. [ 31 ] [ 32 ] The Powerwall has a 92.5% round-trip efficiency when charged or discharged by a 400–450 V system at 2 kW with a temperature of 77 °F (25 °C) when the product is brand new. [ 14 ]

  6. Synchronverter - Wikipedia

    en.wikipedia.org/wiki/Synchronverter

    Figure 5. Compact control structure for a grid-connected inverter. Since a synchronous generator is inherently synchronized with the grid, it is possible to integrate the synchronization function into the power controller without synchronization unit. [17] This results in a compact control unit, as shown in the figure 4.

  7. Engine–generator - Wikipedia

    en.wikipedia.org/wiki/Engine–generator

    This is a 100 kVA set. The mid-size stationary engine–generator pictured here is a 100 kVA set which produces 415 V at around 110 A. It is powered by a 6.7-liter turbocharged Perkins Phaser 1000 Series engine, and consumes approximately 27 liters of fuel an hour, on a 400-liter tank.

  8. Electric car - Wikipedia

    en.wikipedia.org/wiki/Electric_car

    Electric cars are usually charged overnight from a home charging station; sometimes known as a charging point, wallbox charger, or simply a charger; in a garage or on the outside of a house. [ 150 ] [ 151 ] As of 2021 [update] typical home chargers are 7 kW, but not all include smart charging . [ 150 ]

  9. Solar panel - Wikipedia

    en.wikipedia.org/wiki/Solar_panel

    A photovoltaic system typically includes an array of photovoltaic modules, an inverter, a battery pack for energy storage, a charge controller, interconnection wiring, circuit breakers, fuses, disconnect switches, voltage meters, and optionally a solar tracking mechanism. Equipment is carefully selected to optimize energy output and storage ...

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