- Variable Frequency Electronics
- Electronics: VFE
Универсальный русско-английский словарь. Академик.ру. 2011.
Variable Frequency Electronics
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Variable-frequency drive — A variable frequency drive (VFD) is a system for controlling the rotational speed of an alternating current (AC) electric motor by controlling the frequency of the electrical power supplied to the motor.cite book | first=Sylvester J. |… … Wikipedia
Variable frequency transformer — A variable frequency transformer is used to transmit electricity between two asynchronous alternating current domains. The VFT is a relatively recent development (first deployed in 2004). Most grid interties use high voltage direct current… … Wikipedia
Variable-frequency oscillator — A variable frequency oscillator (VFO) in electronics is a oscillator with an oscillation frequency that can be electronically changed (hence, variable).cite book |title=The ARRL Handbook for Radio Amateurs, Sixty Eighth Edition |editor=Larry D.… … Wikipedia
frequency — n. (pl. ies) 1 commonness of occurrence. 2 a the state of being frequent; frequent occurrence. b the process of being repeated at short intervals. 3 Physics the rate of recurrence of a vibration, oscillation, cycle, etc.; the number of… … Useful english dictionary
Frequency changer — A frequency changer or frequency converter is an electronic device that converts alternating current (AC) of one frequency to alternating current of another frequency. The device may also change the voltage, but if it does, that is incidental to… … Wikipedia
electronics — /i lek tron iks, ee lek /, n. (used with a sing. v.) the science dealing with the development and application of devices and systems involving the flow of electrons in a vacuum, in gaseous media, and in semiconductors. [1905 10; see ELECTRONIC,… … Universalium
Variable capacitor — Rotary variable capacitor A variable capacitor (also known as a variable air condenser ) is a capacitor whose capacitance may be intentionally and repeatedly changed mechanically or electronically. Variable capacitors are often used in L/C… … Wikipedia
Chopper (electronics) — Schematic of an inverter using a vibrator as a chopper. A chopper circuit is used to refer to numerous types of electronic switching devices and circuits. The term has become somewhat ill defined, and as a result is much less used nowadays than… … Wikipedia
List of electronics topics — Alphabetization has been neglected in some parts of this article (the b section in particular). You can help by editing it. This is a list of communications, computers, electronic circuits, fiberoptics, microelectronics, medical electronics,… … Wikipedia
Education and training of electrical and electronics engineers — Both electrical and electronics engineers typically possess an academic degree with a major in electrical/ electronics engineering. The length of study for such a degree is usually three or four years and the completed degree may be designated as … Wikipedia
Flip-flop (electronics) — An SR latch, constructed from a pair of cross coupled NOR gates. Red and black mean logical 1 and 0 , respectively. In electronics, a flip flop or latch is a circuit that has two stable states and can be used to store state information. The… … Wikipedia
