- direct-current mains
- сеть постоянного тока
English-russian dictionary of physics. 2013.
English-russian dictionary of physics. 2013.
High-voltage direct current — HVDC or high voltage, direct current electric power transmission systems contrast with the more common alternating current systems as a means for the bulk transmission of electrical power. The modern form of HVDC transmission uses technology… … Wikipedia
Mains electricity — A table lamp connected to a wall socket (the mains). Mains is the general purpose alternating current (AC) electric power supply. In the US, electric power is referred to by several names including household power, household electricity,… … Wikipedia
Mains hum — Spectrum of mains hum at 60 Hz Mains hum, electric hum, or power line hum is an audible oscillation of alternating current at the frequency of the mains electricity, which is usually 50 Hz or 60 Hz, depending on the local power… … Wikipedia
Alternating current — (green curve). The horizontal axis measures time; the vertical, current or voltage. In alternating current (AC, also ac) the movement of electric charge periodically reverses direction. In direct current (DC, also dc), the flow of electric charge … Wikipedia
Booster (electric power) — A Booster was a motor generator (MG) set used for voltage regulation in direct current (DC) electrical power circuits. The development of alternating current and solid state devices has rendered it obsolete. Boosters were made in various… … Wikipedia
Power supply — For the Budgie album, see Power Supply (album). A vacuum tube rackmount adjustable power supply, capable of +/ 1500 volts DC, 0 to 100mA output, with amperage limiting capability. A power supply is a device that supplies electrical energy … Wikipedia
Utility frequency — The waveform of 230 volt, 50 Hz compared with 110 V, 60 Hz. The utility frequency, (power) line frequency (American English) or mains frequency (British English) is the frequency at which alternating current (ac, also AC) is transmitted from a… … Wikipedia
Electric power transmission — Electric transmission redirects here. For vehicle transmissions, see diesel electric transmission. 400 kV high tension transmission lines near Madrid Electric power transmission or high voltage electric transmission is the bulk transfer of… … Wikipedia
Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… … Wikipedia
Electric shock — Electrocute redirects here. For the band, see Electrocute (band). An electric shock can occur upon contact of a human s body with any source of voltage high enough to cause sufficient current through the muscles or hair. The minimum current a… … Wikipedia
List of Tesla patents — Below is a list of Tesla patents. Dr. Nikola Tesla was an inventor who obtained around 300 patents [Snezana Sarbo, [http://www.tesla symp06.org/papers/Tesla Symp06 Sarboh.pdfNikola Tesla s Patents] , Sixth International Symposium Nikola Tesla,… … Wikipedia