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Microstructure-fiber frequency converters
Laser Physics Letters, 2004Microstructure fibers with multiple micron and submicron fused silica waveguide channels are shown to be ideally suited for highly efficient anti-Stokes frequency conversion. These fibers are capable of generating ultrashort pulses of frequency-tunable radiation with controlled chirp, allowing the creation of new sources of tunable radiation for ...
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Frequency converter performance calculations
Electrical Engineering, 1948In its general construction the induction-type frequency converter is identical with a standard slip ring motor. Connecting its primary to a line of frequency f 1 sets up an air gap flux revolving at synchronous speed n s in respect to the primary winding, inducing in the secondary a voltage of a frequency f 2 in direct proportion to the difference ...
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Low-frequency converters of frequency for asynchronous engine
2008 Third International Forum on Strategic Technologies, 2008Nowadays the three phase electric engines, which supply from one phase voltage, have been getting to be widespread. The frequency method is the most efficient and effective method at the frequency regulation of asynchronous engine rotation in the non-reduction electric engine.
Stalnaya Maya Ivanovna +2 more
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Low-frequency characterization of PWM converters
1985 IEEE Power Electronics Specialists Conference, 1985Low-frequency components of states or outputs in PWM dc and ac converters can be characterized by differential equations called describing equations. These equations are derived by inspection of converter topology and use of switching functions and duty ratios.
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Sakuma Frequency Converter Project
IEEE Transactions on Power Apparatus and Systems, 1965Power system frequency has developed on a 50-cycle basis in northern Japan and on a 60-cycle basis in the south. Past efforts to unify the frequency have been unsuccessful. Both systems have now developed to the extent that this is now virtually impossible.
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Electronic Frequency Converter
The Journal of The Institute of Electrical Engineers of Japan, 2010Ken KUNOMURA, Naotaka IIO
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Solid State Frequency Converters,
1995Abstract : New solid state static frequency converters (SSC) can be used in place of motor generator sets to produce 400-Hertz (Hz) power more efficiently. All government installations that use, repair, or build electronic components for aircraft or ships use 400-Hz power. Overall, SSCs can save 20 to 25 percent of the required input power for existing
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Resistance-to-frequency converters
Measurement Techniques, 1971A. I. Fomenko, V. S. Popov
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An Improved Closed-Loop Switched Capacitor Capacitance-to-Frequency Converter and Its Evaluation
IEEE Transactions on Instrumentation and Measurement, 2018V. Sreenath, B. George
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