Similar words: frequency constant, frequency converter, frequency conversion, concurrency control, frequency chart, control sequence, frequency changer, frequency characteristic.
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1 The imported frequency control of motor speed adapts to different printing speeds.
2 The hoisting mechanism: Stepless speed regulated and frequency control are used in the system.
3 And Cross Product Automatic Frequency Control (CPAFC) and COSTAS loops work together to track carrier frequency and improved BOC self-correlation error curve is adopted to track BOC code.
4 The controller of intelligent pump is a frequency control system applying in water supply.
5 A slip frequency control system of asynchronous motor used DSP as control center is presented, which apply to the electric tourist car.
6 Besides it adopts programmable controller and frequency control of motor speed.
7 We use 8051 single-chip microcomputer- based variable frequency control technology to reform the existing locomotive fuel supply system to realise constant pressure fuel supply.
8 The high-resolution frequency control is implemented by the feedback of the cymometer which is programmed in CPLD,[www.Sentencedict.com] Frequencies will be very stable.
9 Load Frequency Control (LFC) of the multi-area power system is an important measure for guaranteeing the electric energy qualities and implementing the secure and economic dispatch.
10 Some are equipped with feeding frequency control can be arbitrarily adjust the speed of feeding.
11 For welding thicker pieces, automatic frequency control should be adopted.
12 When selecting different resistance and inductance, variable frequency control of USM can be realized.
13 In this paper the concept of area frequency control responsibility error for regional electricity market and corresponding transaction mechanism are proposed.
14 Frequency control technology, which is applied cooling and circulating water system, can keep water pressure invariable.
15 As an important technical means of frequency control of the power system, PFR (Primary Frequency Regulation) is of great significance to the stability of the frequency.
16 This paper discusses the slip frequency control of variable frequency regulating speed system, and analyses the shortage of this control way.
17 The improvement efficiently(eliminates) the quantitative error of the frequency control word, simplifies the control of DDS, decreases the required source to implement DDS.
18 This method is to control the stator current as a vector quantity on the basis of slip frequency control.
19 Using linear control theory formed a high - speed electric spindle speed sensorless vector variable frequency control methods.
20 In the light of the pickup current of a submersible electric pump being too large when started at full pressure, a new variable frequency control system is developed.
21 The paper introduces the composition, principle and dynamical performances of the closed loop VVVF system using magneto electric pulse tacho apparatus to constitute the slip frequency control.
22 Then the principles of hierarchical estimation and feed forward compensation are applied to derive the power system state estimation and load frequency control equations.
23 Diagram of this design is the PWM inverter slip frequency control system.
24 In order to reinforce the frequency stability of Yunnan power grid, the update and field tests of generator primary frequency control function have been carried out since 2005.
25 Illuminate the structure of chilled water system of Guangzhou New Gymnasium. Bring forward a special variable frequency control proposal for chilled water pump.
26 Long - term since market of high - pressured frequency control is primary by foreign manufacturer forestall.
27 An ultrashort term frequency forecast of the system frequency is made for the hydropower station and the results have been applied in computer frequency control of the hydropower station.
28 Three major technical issues related to ultrasonic power's performance are considered in this paper: including the frequency control, power control and load matching.
29 Based upon the same idea, circuits having remarkable advantages such as frequency difference polarity discriminator circuits and automatic frequency control circuits are also proposed.
30 The energy optimization control of asynchronous machine often uses the permanent slip frequency control according to the electrical machinery static model.
More similar words: frequency constant, frequency converter, frequency conversion, concurrency control, frequency chart, control sequence, frequency changer, frequency characteristic, frequency characteristics, frequency, infrequency, low frequency, frequency band, low-frequency, main frequency, high frequency, high-frequency, line frequency, beat frequency, difference frequency, voice frequency, radio frequency, eigenfrequency, field frequency, cutoff frequency, clock frequency, video frequency, frequency range, frequency table, audio frequency.