utility frequency造句
造句與例句
手機(jī)版
- Operating frequencies range from utility frequency ( 50 or 60 conductor.
- Beacon designs and develops products aimed at utility frequency regulation for power grid operations.
- Most other countries electrified their railways at the utility frequency of 50 / 60 Hz.
- AFAIK, there's generally little relevance of the utility frequency to the radio portion.
- Electromagnetic wattmeters are used for measurement of utility frequency and audio frequency power; other types are required for radio frequency measurements.
- Even by the middle of the 20th century, utility frequencies were still not entirely standardized at the now-common 50 Hz or 60 Hz.
- I expect that " modern " ( 1941 and after ) TV transmitters use a crystal controlled oscillator rather than the utility frequency for the deflection.
- On 25 Hz power, say, they would . ( Incidentally, there is still some 25 Hz generation at Niagara Falls-- see utility frequency.
- To reduce the size of the model components, the network analyzer often was energized at a higher frequency than the 50 Hz or 60 Hz utility frequency.
- Our article on Utility frequency notes that utilities try to keep quite close to the nominal frequency so that synchronous clocks only deviate a few seconds from actual time.
- It's difficult to see utility frequency in a sentence. 用utility frequency造句挺難的
- The Fuji River also marks the divide of Japan s electrical grid, with the utility frequency of 50 hertz to the east, and 60 hertz to the west.
- Conversely, frequencies used for some railway electrification systems were much lower ( e . g . 16.7 Hz and 25 Hz ) than normal utility frequencies ( 50 60 Hz ) for historical reasons concerned mainly with the limitations of early electric traction motors.
- :Rather than being a hoax; it does seem to me that this is a genuine stub on a perfectly valid subject-although it clearly needs a lot of work and fleshing out with information from reliable sources-or perhaps merged as a section on " forensic applications " in the "'utility frequency "'article.
- Many other combinations of voltage and utility frequency were formerly used, with frequencies between 25 Hz and 133 Hz and voltages from 100 V to 250 V . Direct current ( DC ) has been almost completely displaced by alternating current ( AC ) in public power systems, but DC was used especially in some city areas to the end of the 20th century.
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