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2. Residual-current device - Wikipedia

   en.wikipedia.org/wiki/Residual-current_device

   A residual-current device (RCD), residual-current circuit breaker (RCCB) or ground fault circuit interrupter (GFCI) [a] is an electrical safety device that interrupts an electrical circuit when the current passing through a conductor is not equal and opposite in both directions, therefore indicating leakage current to ground or current flowing to another powered conductor.

3. CC-Link Open Automation Networks - Wikipedia

   en.wikipedia.org/wiki/CC-Link_Open_Automation...

   The CC-Link Partner Association (CLPA) offers a family of open-architecture networks. These originated with the CC-Link (Control & Communication) fieldbus in 1996, [1] developed by Mitsubishi Electric Corporation. In 2000, [1] this was released as an “Open” network so that independent automation equipment manufacturers could incorporate ...

4. High-voltage direct current - Wikipedia

   en.wikipedia.org/wiki/High-voltage_direct_current

   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] Most HVDC links use voltages between 100 kV and 800 kV. However, a 1,100 kV link in China was completed in 2019 over a distance of ...

5. Transmission tower - Wikipedia

   en.wikipedia.org/wiki/Transmission_tower

   A transmission tower (also electricity pylon, hydro tower, or pylon) is a tall structure, usually a lattice tower made of steel that is used to support an overhead power line. In electrical grids, transmission towers carry high-voltage transmission lines that transport bulk electric power from generating stations to electrical substations, from ...

6. How-To: Add your own external GPS antenna - Engadget

   www.engadget.com/2006-03-28-how-to-add-your-own...

   By adding a power injector circuit, we can use a standard external active antenna. To make life easier, we used an antenna that accepts 5-12 volts DC. The GPS board we used accepts 4-16 volts DC ...

7. Synchronization (alternating current) - Wikipedia

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

   Synchronization (alternating current) 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 ...

8. Powerlock - Wikipedia

   en.wikipedia.org/wiki/Powerlock

   Powerlock is a range of single-pole electrical connectors used for temporary high-current, low-voltage (up to 1000 V AC) applications, [2] similar to but considered safer than camlock connectors. Originally developed by Litton Veam in the mid-1990s, VEAM Powerlock is now a brand of ITT Cannon. Compatible versions are also available from other ...

9. Utility pole - Wikipedia

   en.wikipedia.org/wiki/Utility_pole

   From Wikipedia, the free encyclopedia. Post used by public utilities to support overhead wires and related equipment. Utility pole supporting wires for electrical power distribution, coaxial cablefor cable television, and telephone cable. A pair of shoescan be seen hanging from the wires (center-left, far right)