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2. Nelson River DC Transmission System - Wikipedia

   en.wikipedia.org/wiki/Nelson_River_DC...

   Bipole 1 consists of six, 6-pulse converter groups at each end (three in series per pole), each originally rated at 150 kV DC, 1800 A. [6] Each converter group can be bridged at the DC side with a vacuum switch. Subsequent upgrades have increased the current rating to 2000 A and the voltage rating of most equipment to 166 kV per bridge (i.e ...

3. High-voltage direct current - Wikipedia

   en.wikipedia.org/wiki/High-voltage_direct_current

   Long distance HVDC lines carrying hydroelectricity from Canada's Nelson River to this converter station where it is converted to AC for use in southern Manitoba's grid. A high-voltage direct current (HVDC) electric power transmission system uses direct current (DC) for electric power transmission, in contrast with the more common alternating current (AC) transmission systems. [1]

4. Multi-level converter - Wikipedia

   en.wikipedia.org/wiki/Multi-level_converter

   A multi-level converter (MLC) or (multi-level inverter) is a method of generating high-voltage wave-forms from lower-voltage components. MLC origins go back over a hundred years, when in the 1880s, the advantages of DC long-distance transmission became evident. [1] Modular multi-level converters (MMC) were investigated by Tricoli et al in 2017.

5. Voltage converter - Wikipedia

   en.wikipedia.org/wiki/Voltage_converter

   A simple voltage dropper can be used to reduce the voltage for low-power devices; if more than 12V is required, or for high-powered devices, a switched-mode power supply is used. The output will usually be DC in the range 1.5–24 V. Power supplies that output either 100–120 V AC or 210–240 V AC are available; they are called inverters ...

6. Electric power conversion - Wikipedia

   en.wikipedia.org/wiki/Electric_power_conversion

   Certain specialized circuits can also be considered power converters, such as the flyback transformer subsystem powering a CRT, generating high voltage at approximately 15 kHz. Consumer electronics usually include an AC adapter (a type of power supply ) to convert mains-voltage AC current to low-voltage DC suitable for consumption by microchips.

7. 2-Year-Old Died After Dad Allegedly Isolated Him in Room Near ...

   www.aol.com/2-old-died-dad-allegedly-193803745.html

   A North Carolina father is facing criminal charges after authorities allege he left his child isolated in a room with a space heater for more than 12 hours, leading to his death.