enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Flywheel energy storage - Wikipedia

   en.wikipedia.org/wiki/Flywheel_energy_storage

   A typical system consists of a flywheel supported by rolling-element bearing connected to a motor–generator. The flywheel and sometimes motor–generator may be enclosed in a vacuum chamber to reduce friction and energy loss. First-generation flywheel energy-storage systems use a large steel flywheel rotating on mechanical bearings.

3. Keep the Light on With Up to 48% Off Portable Generators for ...

   www.aol.com/lifestyle/keep-light-48-off-portable...

   It has a push-button electric start and can run for up to 12 hours thanks to its robust 6.6-gallon fuel tank. While it provides plenty of power, it also weighs a substantial 209 pounds, making it ...

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. Load bank - Wikipedia

   en.wikipedia.org/wiki/Load_bank

   Load bank. An air-cooled load bank, being used for acceptance testing of a 3000 kW standby diesel generator set. This is one of three banks used to load the generator to verify performance on load changes and for factory run-in. A load bank is a piece of electrical test equipment used to simulate an electrical load, to test an electric power ...

6. Uninterruptible power supply - Wikipedia

   en.wikipedia.org/wiki/Uninterruptible_power_supply

   Uninterruptible power supply. An uninterruptible power supply (UPS) or uninterruptible power source is a type of continual power system that provides automated backup electric power to a load when the input power source or mains power fails. A UPS differs from a traditional auxiliary / emergency power system or standby generator in that it will ...

7. Motor–generator - Wikipedia

   en.wikipedia.org/wiki/Motor–generator

   As an example, a 250 kVA motor generator operating at 300 ampere of full load current will require 1550 ampere of in-rush current during a re-closure after 5 seconds. This example used a fixed mounted flywheel sized to result in a 1 ⁄ 2 Hz per second slew rate. The motor–generator was a vertical type two-bearing machine with oil-bath bearings.