Similar words: frequency conversion, frequency chart, very low frequency, very high frequency, frequency diversity, frequency, converter, intermediate frequency.
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1. Purpose: UHF frequency converter, local oscillator, wide band amplifier.
2. Feed roller is driven by an electronic frequency converter which permits stepless variation of its speed and is controled to be synchronized with doffer by the computer.
3. A resistance - to - frequency converter using a bridge amplifier , an intergrator and a comnparator is described.
4. Another is the frequency converter drive inertia loads, there were pressure phenomenon.
5. This paper explained mainly on the frequency converter applied in heating furnace circulating ventilator.
6. Apply imported frequency converter, high frequency arc starting, high rate of success.
7. In this paper, a resistance - to - frequency converter consisting of a Wheatstone bridge followed by an integrator and a comparator is described.
8. AC frequency converter is used ofr changing the regulating wheel speed infinitely.
9. TEMCo Frequency Converter Motor Generator sets are the answer to bridging this gap.
10. The speed is controlled by stepless frequency converter, characteristic of high machining accuracy and efficiency.
11. Because of the use of frequency converter, so that pump speed decreased, exports to reduce stress, a reduction of mechanical wear, reducing maintenance workload, extended equipment life.
12. Through application of frequency converter in constant pressure water supply system, the paper describes the economic feature and advantages of adopting AC frequency conversion speed control method.
13. Meantime we study serial communication of frequency converter in computer and single - chip .
14. The adopted control mode of previous common frequency converter is usually of open loop constant voltage ratio, which its control curve is not stable.
15. Haohua astronavigation chemical co. , ltd. adopts high voltage frequency converter for motor speed adjustment of water circulating pump and achieves obvious effect.
16. Furthermore, the hardware and software implementation as well as the practical application of frequency converter fault detector were introduced also.
17. The power board and the capacitance board are formed a reverse L-shaped grafting structure along the radiator, which makes full use of the inner space of the frequency converter.
18. Siemens PLC S7-200 as the control center, Anchuan F7 frequency converter as the implementation devices, it realizes changing frequency velocity modulation control for automatic washing machine.
19. When a fault of the rotor bar of an frequency converter has taken place, the characteristic signal components of the currents will be added into the stator current.
20. This paper introduces the automatic water feed system with speed adjusted by frequency converter.
21. Efficiency test needs to be carried out in the performance test of HV frequency converter system, and the method for efficiency test in the performance test of frequency converter will be discussed.
22. The products could be uncoil automatically by the uncoiler which was drove by frequency converter.
23. Man - machine interface , programmable controller , tem - controller and frequency converter are of import brand.
24. The main frame and conveying mechanism are controlled by frequency converter which is easy to adjust.
25. Its downholc discharge apparatus are made up of rectification frequency converter, discharger and cable.
26. This project is applied to the control circuit of the frequency converter power source of for measuring ground resistance in an electric substation.
27. Programme using three-phase asynchronous motor synchronous transmission programme, Winding system design is based on the frequency converter and PLC.
28. In the scorched manufacture of metallurgical coke[http://sentencedict.com], the shifting velocity was usually controlled by adopting low pressure frequency converter either hydrodynamic clutch.
29. The interface circuit, which is based on the Schmitt trigger, works as a capacitor - frequency converter.
30. man-machine interface , programmable controller , tem - controller and frequency converter are of import brand.
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