欠壓保護 的英文怎麼說
中文拼音 [qiànyābǎohù]
欠壓保護
英文
low-voltage protection-
The 1mhz fixed frequency switching allows for tiny external components and the regulation scheme is optimized to ensure low emi and low input ripple. an external resistor sets the full - scale led current, while two digital inputs control on / off and select amongst three levels of brightness. the circuit operates in 1x mode until just above dropout
工作在1mhz固定頻率,採用線性調制模式使輸入紋波大大減小;利用一個外部電阻可以設置滿量程led電流;外接兩個數字信號控制晶元開關並選擇led三級亮度中的一級;具有過溫、過壓/欠壓等保護功能,工作溫度范圍為- 40 + 85 。In chapter three, the all sub - circuits including uvlo, current bias, ldo, oscillator, green mode, slop compensation, power limiting, pwm, ovp, blanking time generator, logic controller are designed and simulated. as a result, all of the sub - circuits are satisfied the requirements
本文第三章對集成電路內各個模塊包括欠壓保護、電流偏置、 ldo 、振蕩器、綠色模式、斜坡補償、功率限制、脈寬調制、過壓保護、前沿消隱、邏輯控制電路等進行了設計與模擬,且達到了預定的設計目標。The single - chip microcomputer control technology has been applied in the system to carry out monitoring and protective functions for the asynchronous motors controlled. combined with suitable peripheral interface, disposition and flexible software, the mcs can measure the current and voltage signals of the motors. based on the measurements, the computation, judgment and decision are made to implement the phase sensitive short circuit, overload, supply over - voltage, supply under - voltage, over - thermal, leakage lock - out and loss of phase protective function
系統採用單片機控制技術,完成所控制電動機的控制功能,並對所控制電動機的電壓、電流等信號進行檢測、計算、判斷和處理,實現短路、斷相、過載、欠壓、過壓、過熱、漏電閉鎖等保護功能,並提供本質安全型輸入、輸出介面,能與煤礦井下監測監控系統聯網運行。The device has realized the real - time control and protection for short circuit, failure to start, unbalance ( open phase ), under - voltage, earth faults, and overload
保護與控制裝置實現了對短路、起動故障、不平衡(斷相) 、欠壓、接地故障、過負荷的實時監控和保護。Many protective and monitoring functions are integrated in the system, such as earth - fault monitoring, short circuit protection, over - load protection, phase symm etry and phase loss monitoring, over voltage protection, under voltage protection, motor thermal monitoring and so on
該系統能自動轉換控制方式,具有漏電、短路、過載、斷相、欠壓、過壓等保護功能,並且能通過漢字顯示終端顯示各路負荷的工作狀態和工作參數。Carry out the electrical protection for the generator set, such as overload, shortcircuit, under - voltage, ground fault and etc
實現機組過載短路欠壓接地故障等電氣保護The signal sampling circuit fulfill the tasks of sampling signal and changing the double polarities signal to the single polarity signal ; the drive circuit receives the pwm signals from dsp and pass the signals to ipm through optical - couple devices ; the protective circuit safeguard the system against high current, high voltage, low voltage and high temperature on the ipm model
其中信號處理電路主要完成採集輸出電流和中間直流環節電壓信號,並對採集到的電流信號進行極性變換處理的功能;驅動電路接收dsp輸出的高頻驅動信號,通過耦合器件直接驅動ipm模塊;保護電路利用採集到電氣信號對整個系統實施保護,包括過電流、過電壓、欠電壓、 ipm模塊過熱等。Equipped inside with protection of lack of phase, less or over voltage, over heating and less air pressure
內置供電電源缺相和過欠壓保護、設備內部過熱保護及壓縮空氣氣壓不足保護等保護功能,工作可靠性高Additional features include current mode, current - limit, over temperature protection, input under - voltage protection and so on
電路採用電流反饋控制模式,具有限流、欠壓保護、過溫保護等功能。Second, the theory of sub - block circuits which include bandgap voltage reference, over temperature protection, output over voltage protection and input under voltage protection was analyzed and these sub - block circuits were simulated using hspice
在設計子電路模塊時,主要分析了以下四個模塊:帶隙基準電壓源、過溫保護電路、過壓保護電路和欠壓保護電路。6. some necessary protective measures with artificial intelligence for pv water pumping systems are developed and realized, including dry operation identification, low speed, over load, low voltage operation and lightning protection etc
研究了光伏水泵系統的多種智能保護措施並予實現,其中含井水打幹自動識別保護系統;低速、過載、欠壓保護系統;防雷保護系統等。Besides, an under - voltage lockout circuit is provided in the device
除此之外,還集成了欠壓保護的功能,使得晶元更加「智能」 。Under - voltage protection
欠壓保護The circuit has integrated undervoltage protection, overvoltage protection as well as soft - start technology
電路還內置欠壓保護、過壓保護及軟啟動等多重保護功能。The circuit was simulated via hspice based on csmc 0. 5um process whose results indicates the all modules have meet the requirements and the efficiency can go up to 95 % under pwm mode and stay above 90 % under pfm mode when the load resistance
晶元內設過熱保護和欠壓保護,以實現電路的可靠性操作。最後設計電路基於0 . 5 mcomsn阱工藝,用hspice模擬,每個模塊性能都滿足電路要求。In addition, the working principle, characteristics and compensation of the control system of current peak are deeply discussed ; the pwm control circuit of using uc3875 as the core, the inputting over - voltage protecting circuit and owe - voltage protecting circuit are given, etc
此外,論文還對軟開關逆變器峰值電流控制系統的原理、特性及補償進行了深入的分析;設計了以uc3875為核心的移相pwm控制及輸入過壓、欠壓保護等電路。4. the hardware of electronic control system is developed. it includes display module whose tasks are man - machine interaction, displaying humidity and temperature, setting humidity, time, date and week, communicating with computer ; power device module which provides power of all modules and drives control equipments to accomplish intention of main control module and can provide zero crossing protection circuit, excess voltage and under voltage protection circuit and excess current protection circuit ; water sensor group, the responsibilities of which are testing the states of water and send the states to scm, then the scm control the water level after judging the states
開發並實現了電控系統的硬體部分,包括顯示模塊:主要負責人機交互,顯示濕度、溫度,修改濕度、時間、日期、星期,和主控模塊通訊;電源驅動模塊:主要提供各個模塊的電源,驅動被控設備,實現主控模塊的意圖,並能實現繼電器的過零保護,過流、過壓、欠壓保護;水位傳感器組:負責測知水位的狀態,並把此狀態送入單片機,單片機經過判斷、處理反過來控制水位,實現水位的閉環控制。Some sub - block circuits ( error amplifier, soft - start, enable comparator and under - voltage protection circuit ) are designed and several electrical characteristics are simulated using hspice. finally, the whole chip performance is simulated. and the results show the satisfaction to both function targets and characteristics
在子電路設計中,本論文只對其中的誤差放大器、軟啟動電路、使能比較器和欠壓保護四個子電路進行了電路原理分析與設計,並在此基礎上,運用eda軟體hspice對各功能模塊的各項指標、參數進行了模擬、分析。Electrical installations of buildings part 4 : protection for safety chapter 45 : protection against undervoltage
建築物電氣裝置第4部分:安全防護第45章:欠電壓保護The design and simulation of the circuit, which is designed to drive a power mosfet with a 500v breakdown voltage and maximum ia operation current, is implemented. the circuit can be used as a pre - regulator for electronic ballast. the ic solution also provides a voltage - regulator with the functions such as undervoltage lockout, and overvoltage protection
設計目的是使電路作為電子鎮流器的前端變換器可以驅動耐壓為500v ,最大工作電流為1a的橫向功率mos ,對整流電路的直流輸出電壓進行穩壓,並實現過壓、欠壓保護,提高用電效率,經過理論分析使經校正後的功率因數達到0 . 95以上。分享友人