单词 | Low voltage |
例句 | 1) Low voltage lights are widely available and simple to install with no worries about safety. 2) Low voltage telephone transmission circuit with dialler interface. 3) Purpose: Audio frequency amplifier, low voltage regulator. 4) Purpose: Optimal for low voltage and high current drives. 5) Low voltage transmission circuit with dialler interface. 6) As a branch of intelligent low voltage apparatus, the recent achievement in study of this field was introduced. The method and approach of the intelligent make and break operation were analyzed. 7) Electromagnetic trip is key element of low voltage circuit breaker used for instantaneous current protection. 8) Low voltage and low resistance measurements are often made on devices and materials with low source impedance. 9) The CMOS Schmitt trigger circuit with low voltage by the dynamic body - bias technology was presented. 10) Being operated from low voltage power supply the tonometer is electrically safe. 11) Reasonable setting combining a model parameters, low voltage protection and clamping force. 12) Slow waves appear in bursts, separated by periods of low voltage activity of about ten seconds. 13) All other flying leads for the switches and indicators are at low voltage and these can be soldered directly to the p.c.b. 14) In Power IC, crosstalk between high voltage power devices and low voltage devices can cause circuit operation failure and even latch-up . 15) The development tendency of vacuum switch in the future is to miniaturize vacuum extinction chamber and develop high voltage vacuum switch and low voltage vacuum switch. 16) The result is a small footprint, low profile package that consumes only a few milli- watts of power and requires a single low voltage power supply. 17) The characteristic of structure and performance of new type low voltage draw - out switch - board is introduced. 18) The design of a novel high frequency fluorescent lamp IC, on which low voltage control circuit and high voltage power device encapsulated in one chip, is introduced. 19) A bandgap voltage comparator used as power - on reset and low voltage detect circuit is presented. 20) Development trend of Si varactor is summarized:ion implantation, to match capacitance during testing, integration, low voltage, super-miniaturization, SMD and wide application. 21) But the invasion of lightning surge may lead its failure due to its low voltage withstand level which may affect the normal service power system. 22) The interrupt service routine realizes real-time response and disposal of over current, over heat, over voltage and low voltage trouble in welding process. 23) Ge nanocrystal memory device can be programmed at a relatively low voltage and high speed. 24) It adopts SCR with large power to establish the voltage adjustment circuit, so the AC motor can be started with low voltage. 25) It is an unilateralism -transforming device, which can dispart high import voltage when inputting and outputting by tums,(http:///low voltage.html) and outputs low voltage of direct current. 26) In this paper, the optimization method was used to design the interface circuit, and use VHDL description to design low voltage digital delay timer. 27) Flow chart and state matrix can be used to identify and design sequential circuits in the basic low voltage equipment. 28) In the process of running, the governor has the function of over-current protect, low voltage protection, output short-voltage protection and soft start. 29) Over current protection, negative current protection, zero sequence current protection, over time of start protection and low voltage protection is configured in the device. 30) The high output resistance CMOS current mirror in the condition of low voltage operation was used to ensure high output swing and high output resistance. 31) The paper introduces the working principle and monitoring function of high and low voltage power supply and distribution system, the detection of emergency diesel generator set, EPS and UPS. 32) When voltage is very low or power supply has been broken off, it will result in action of low voltage protection device so as to remove load. 33) Compressor overloading protector, over charging relay low voltage switch, frost - preventive switch, reverse current switch. 34) Ensure proper and reliable function of low voltage electrical system. 35) Introduces the constitutes of low voltage protection system of distributing transformer, analyzes the failure reason, puts forward concrete measures of improving low voltage protective reliability. 36) The single-phase active power filter can be used in electric railway and low voltage power supply for harmonic suppressing and reactive power compensation. 37) Low Voltage AC system operating voltages from 120 to 600 VAC. 38) Academic analysis and simulation calculation about starting characteristic of motor generator system in low voltage were carried through. 39) A kind of intelligent compound switch using for reactive power compensation of low voltage, using a parallel structure of bidirectional silicon-controlled and magnetic latching relay was introduced. 40) Disclosed is an explosion proof, dust proof and moisture proof novel cabinet for low voltage electric appliances, and the utility model has the advantages of simple structure and convenient use. 41) Methods A dis continuous buffer system was used. CK MM isoform was separated by electrophoresis under the condition of constant current and low voltage, then fluorescence scanning. 42) According to the characteristics of program controlled interface in low voltage programmable power supply, the design principles of PC bus board in programmable power supply are described. 43) The controller will detect the battery voltage and gradually reduce the maximum current limit according to the different voltage levels until the low voltage protection potion. 44) The three-phase unbalanced load of low voltage area will do harm to the electrical equipment and will increase the technical circuit loss. 45) The primary inverter driving circuit circuit , protection circuits for overheat low voltage circuit are introduced specially. 46) Components of high integration and low voltage are adopted so that the integration and extensibility of master station as well as the system reliability is improved. 47) According to the characteristics of low voltage power line, the automatic relay routing algorithm with relay constraints is employed in user data receiving. 48) The chopped mode feedback is a scheme for solving the motor's speed regulation by means of controlling the high voltage with low voltage. 49) This paper deals with the trouble analysis and clearance of the electric circuit for the crystal change and low voltage alarm system of 3080E3 X Ray fluorescence spectrometer. 50) Low viscosity reactive casting resin. Recommended with amine and polyaminoamide curing agents for low voltage electrical and electronic applications. 51) The opening time of movable contact has remarkable effect on the limiting current performance of low voltage molded case circuit breakers. 52) This paper mainly studies the intelligent tripping device for Low Voltage Mooded Case Circuit Breaker. 53) A low voltage cascaded current mirror bias circuit that can provide an exact and steady bias voltage for current array is used. 54) With the application of the high performance LVDS(low voltage differential signal), LVDS standard is becoming the most popular differential data transmission standard in the industry. 55) A remote automation meter data reading system for low voltage electric power user is introduced. It gives configuration block diagram, principle and system characteristic. 56) The liquid-crystal display has the low voltage, the low power loss characteristic, matches with the CMOS integrated circuit. 57) This paper presents the model of arc voltage and the formula of calculation of arc current based on a large number of experiments of arc short circuit in low voltage networks. 58) Based on the PMOS bulk - driven technique, an ultra - low voltage operational amplifier is proposed. 59) This color camera is available in both high voltage and low voltage models. 60) Application: Applications for pillow distortion adjustment for Color TV and low voltage adjustment. 61) A low voltage fully differential gain - boosted CMOS operational transconductance amplifier is designed. 62) Thus, low voltage protection devices, served as lock-out protection reserve will also have characters uf inverse time-lag. 63) Three unbalanced phase loads varies randomly to lead to three phases unbalance in low voltage distribution system, which brings a series of problems on power grid. 64) Low voltage 24 V thermostat soldering pen protects the faulty circuit board. 65) This instruction is only suitable for low voltage cabinets of XiangRong Group xEnergy, MNSR, GGD, XL. 66) Full-bridge topology of soft-switching converter is used widely in switching power supply area because of its low voltage and current stresses. 67) The mechanism of low voltage miniature circuit breaker is very complicate, thus its assembly dimension chain and the tolerance of critical dimensions are researched. 68) However, it is difficult that the commercial H-bridge motor driver module designed for low voltage motor is applied to wire-feed motor of SAW directly. 69) The highest bit of the signal locked that is valid when low voltage is the decoder's enabling signal . 70) Low Voltage, Single and Dual Supply, 8 to 1 Multiplexer, Dual 4 to 1 Multiplexer and a Triple SPDT Analog Switch. 71) This paper studied the design and the realizing of high voltage generator, control system of high and low voltage, the body of electrostatic precipitator, and the FF control system. 72) The data collection device must disperse in the entire low voltage customers because the energy collection system orient to the low voltage customers. 73) The new liquid crystals feature wide working temperature range , low voltage operation and high reliability. 74) By rational configuration of the low voltage solid circuits and hydrogen thyratron circuits, long precise delay and low jitter of high voltage output can be obtained. 75) There are two ways to emerge instantaneous over voltage in the side of low voltage which are thunderstruck and instantaneous process of electronic network. 76) Seven test points are available, which provide a low voltage proportional to the five electrode voltages , as well as to the photocathode and the getter currents (see chapter 5). 77) Protective circuits with multilevel, low voltage protection level and excellent capability of safety. 78) It is introduced short circuit impedance method, low voltage impulse method and frequency response ... 79) The electromagnetic system was the core of low voltage apparatus products, and its performance was directly related to performance and manufacturing cost of products. 80) Three unbalanced phase loads varies randomly to lead to three phases unbalance in middle and low voltage distribution system, whi ch brings a series of problems on power grid. 81) Based on practical experiences, the detection methods on site fault testing of middle and low voltage power cable are discussed and illustrated with examples in this thesis . 82) Compared with high voltage 220V, the DC low voltage is more secure, not easy to be thunder attacked, avoidence of transfusion on the long-distance line. 83) A power harmonic suppressing method based on low voltage intermediate frequency inductive stove was introduced. 84) Based on the analysis of main fault types of LV(Low Voltage) flameproof motor, the negative sequence protection principle is proposed for its asymmetric short circuit fault and open phase fault. 85) It consists of two sources: low voltage high power source which puts the arc maintenance into practice and high voltage low power source which carries out the arc reignition . 85) try its best to gather and make good sentences. 86) It is an unilateralism transforming device, which can dispart high import voltage when inputting and outputting by turns, and outputs low voltage of direct current . 87) The electronic unit has a low voltage protection system built in. 88) While dull wave of monophasic or biphasic and low amplitude could be seen under low voltage single stimulation. 89) Waxes for Capacitor Encapsulation : Applied as encapsulation insulator for metalized capacitor such as self-healing type low voltage power capacitor , alternating motor startup capacitor. 90) The analysis on the grounded system and equal potential ground connection provide theoretical foundations for optimal selection of safety measures for low voltage distribution system. 91) The effect of voltage on capacitor life is negligible, especially for low voltage electrolytic capacitors. 92) This device consists of self-coupling transfer, digital logic circuit and low voltage relay circuit. 93) In sddition, compares them with early switch-board explains some improvements of the new type low voltage draw-out switch-board of out factory applied in metallurgical system. 94) Through measuring three-phase current of low voltage at user side and handling by specific algorithm, TA ratio of HV measuring can be accurately judged whether is consistent with data plate. 95) The signal from sensor head is sampled by a A/D converter, then the digital result is transformed to Manchester code and send to low voltage part by plastic fiber. 96) Low voltage protection devices in China have characters of fixed time-lag. 97) The low voltage distribution net orients to the vast low voltage customers that are in great number and disperse in a broadness load center. 98) Because individual cells may differ by only a few microvolts, making accurate measurements requires using a nanovoltmeter and low voltage measurement techniques. 99) Low viscosity resilient casting resin. Recommended for pre-filled silica formulations with low caking tendency used with amine curing system for low voltage cable joints. 100) The study result shows that the planar film structure is conformable for FEE cathode, because it has low voltage threshold and small range of energy distribution of the emitted electrons. 101) Low voltage measurement applications include standard cell comparisons and high resolution temperature measurements and microcalorimetry. 102) Sometimes low voltage restraint outbreaking with high wave, slow waves and spikes appeared in 17 cases while wide low voltage restraint occurred in 10 cases, but false normal EEG appeared in 1 case. 103) Neutral indirect grounded system (called low-current grounding power system as well) is widely used in the medium and low voltage network in our country. 104) Methods A discontinuous buffer system was used. CK MM isoform was separated by electrophoresis, under constant current and low voltage, fluorescence scanning. 105) A chain arc model is set up for magnetic field driven arc in arc chamber of low voltage circuit breaker in the paper. 106) In order to drive a high impedance load such as HPM sources, it is necessary to commutate FCG's long pulse width, high-current and low voltage pulse to a short pulse with high voltage. 107) Finally, a practical calculation example of clamping the voltage of low voltage power line under the surge and effusion surge current by metal oxide varistor is given. 108) To solve these problems, this paper presents a high performance, namely low voltage, high linearity and high conversion gain, CMOS direct down conversion mixer for UWB (Ultra Wide Band) system. 109) The improved SCB chip with doped silicon may satisfy the conditions of igniting by low voltage. 110) The Wigner Ville time frequency analysis in conjunction with properly selected OFDM parameters is applied to evaluate the signal dynamic range performance over the low voltage power line network. 111) It is rare to see a fission reactor in series connected to the low voltage side of the transformer in a step-down substation. 112) The frequency response may also be controlled by a low voltage micro sized varicap, or a varactor diode, and instantiated as a tuned, resonant matching filter network residing with the antenna module. 113) Variable speed double - fed wind turbine unit have function of low voltage ride through ( LVRT ). 114) The forceful electric power includes the design of low voltage distribution, lighting and Earthing for lightning protection system. As well as computing charge, computing lighting level etc. 115) Uses solid state relay to isolate the high and low voltage, uses frequency conversion motor to realize fuzzy control. 115) try its best to collect and make good sentences. 116) This position is responsible fall low voltage electrical equipment maintenance spare parts management. 117) Because of their higher dielectric constant, they are particularly suitable for use as an impregnant for low voltage, direct current, and impulse capacitors. 118) For compensating reactive power and harmful currents in low voltage power system, the paper proposed two control schemes for STATCOM, which are indirect-current control and direct-current control. 119) A low voltage current mode bandgap voltage reference circuit with a novel start - up circuit is designed. 120) There are stili many problems to be solved in the orthogonal frequency division multiplexing (OFDM), which is a promising crucial technique in low voltage power line communication. 121) It was designed that low voltage power carrier concentrated meter reading system in this paper. 122) Purpose: Low voltage output amplifier, audio muting, DC - DC converter. 123) Applying QSPM matrix analysis, to get the strategy of "Peel off low voltage and semi-conductor ceramic capacitor, develop new type varistor and new type military components". 124) Low Voltage Measurement Applications: Standard cell comparisons, high resolution temperature measurements, and microcalorimetry. 125) Method:A discontinuous buffer system was used. CK MM isoform was separated by electrophoresis, under constant current and low voltage, fluorescence scanning. 126) The status and characteristics of reactive power compensation for low voltage power distribution system were introduced. 127) The reliability data of low voltage electrical apparatus obtained on the basis of field survey of electrical equipments by U. S. AIEE and IEEE were introduced. 128) Usage: suitable for slot insulation coating of kinds of low voltage micro motors, auto motorcycle motor rotor. 129) The metallic patch — similar to a bandage or "sticking plaster, " as they're known in Britain — uses an organic diode, which emits light when a low voltage electric current passes through it. 130) Circuit Breakers are supplied to protect the 115 VAC Inputs (2 each) as well as the Variable Amplitude Low Voltage Powers used by the Indicator Under Test (UUT) for Power, Reference or Lighting. 131) The wind power converter must possess abilities of Low Voltage Ride through (LVRT), available operation with unbalanced voltage fault and adjusting active as well as reactive power. 132) If you know the patient is still in contact with the electrical source and you know it is low voltage, you can move the wire or the patient to a safe position with a dry pole or rope. |
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