core transformerの例文

• They are gradually replacing iron cored transformers in neon signs.
• This resonant current directly drives a switching transistor through a ring core transformer.
• During the 1950s he invented the insulating-core transformer, producing high-voltage direct current.
• Tight coupling is when the coupling coefficient is around 1 as with conventional iron-core transformers.
• It has a circular cross-section due to a poloidal graphite limiter and an iron core transformer.
• Ferrite-core transformers are widely used in ( intermediate frequency ) ( IF ) stages in superheterodyne radio receivers.
• In the closed-core transformer the iron core is a closed ring around which the two coils are wound.
• This Joule heating reduces efficiency of iron-core transformers and electric motors and other devices that use changing magnetic fields.
• The 3-core transformers are oil-cooled, to which the control unit with its 28 running steps is connected.
• Early superheterodyne receivers used IFs as low as 20 kHz, often based on the self-resonance of iron-cored transformers.
• :: : : In an iron-core transformer, the magnetic field that is created is essentially contained in the iron core.
• Starting with vacuum tubes and ferrite pot-core transformers those ideas are implemented in complementary metal-oxide-semiconductor ( CMOS ) design today.
• To power a device with transmission from several feet away would require a very high field intensity, in what is effectively an air core transformer.
• This technique works well for problems where the medium is a vacuum or air or some similar material with a air-core inductors and air-core transformers.
• They use an iron core transformer to provide a suitable high impedance load to the valve ( s ) while driving a speaker, which is typically 8 Ohms.
• These generate the same voltage and current ranges as iron cored transformers, but in much smaller, lighter designs at high frequency ( not the common 50 60 Hz ).
• The power supplies needed to power vacuum tube radios resulted in a common trait of tube-type mobile radios : their heavy weight due to the iron-core transformers in the power supplies.
• Alcator A was powered by the Bitter Laboratory's 32 MW DC motor-generators and was the first tokamak in the world to use an air-core transformer for ohmic current drive and heating.
• The multiple coil type adjusts the current by either varying the number of turns in the coil ( in tap-type transformers ) or by varying the distance between the primary and secondary coils ( in movable coil or movable core transformers ).