direct current voltage 中文意思是什麼

direct current voltage 解釋
直羚壓
  • direct : adj 1 筆直的，一直線的；正面的。2 直接的。3 直截了當的，直率的，明白的。4 直系的，正統的。5 【語...
  • current : adj. 1. 通用的，流行的。2. 現在的，現時的，當時的。3. 流暢的；草寫的。n. 1. 水流；氣流；電流。2. 思潮，潮流；趨勢，傾向。3. 進行，過程。
  • voltage : n. 【電學】電壓，電壓量，伏特數。 the working voltage （電氣的）耐壓限度。
  1. Taking the silicon diode as an example, through an analysis of the diode ' s current - voltage characters and the avometer circuit, the writer finds out the reasons for the differences in the amount when measuring the positive direct current equivalent resistance with different ohm grades

    摘要以硅二極體為例，從二極體的伏安特性及萬用表內部電路的角度，分析了用指針式萬用表的不同歐姆檔位測量二極體的正向直流等效電阻時，其值緣何不同。
  2. System tests for high - voltage direct current installations

    高壓直流裝置的系統試驗
  3. Terminology for high - voltage direct current transmission

    高壓直流電輸送術語
  4. Direct current 1ma reference voltage kv is no less than 25

    直流1ma參考電壓kv不小於25
  5. General specification for low voltage direct current power supply

    低壓直流電源通用規范
  6. Direct current 1ma reference voltage kv is no less than 26. 0

    直流1ma參考電壓kv不小於25
  7. Transmission losses will be less than 7 percent, significantly less than the losses from conventional 500 - kilovolt ( kv ) high - voltage direct current ( hvdc ) transmission schemes

    電力的傳輸損失將少於7 % ，遠遠低於傳統500千伏高壓直流（ hvdc ）傳輸計劃的損失量。
  8. The ultrahigh - voltage direct current ( uhvdc ) link comprises two substations and a power transmission system using breakthrough technology to transmit electricity at ultrahigh voltage ( 800 kilovolts ), which will minimize the amount of power lost in transmission

    該超高壓直流輸電（ uhvdc ）線包括兩個變電站以及一個採用了突破性超高壓（ 800千伏）電力傳輸技術的電力傳輸系統，這將減少傳輸過程中的電力損失。
  9. First, passive resistance network was selected as direct current biasing network, which offered direct voltage for base through the resistance voltage divider composed of two resistances, among them the upper resistance connected from the dc to base, the lower resistance connected from the base to ground. the collector connected with dc directly

    直流偏置網路採用無源電阻網路，通過由兩個電阻組成的電阻分壓器為基極提供直流電壓，上偏電阻從電源串聯到基極，下偏電阻從基極到地，集電極直接加電。
  10. Voltage regulators for direct current generators. overall dimensions and method of fixing of base

    直流發電機電壓調節器.底座安裝方法和外形尺寸
  11. Study and applications on the type of high - voltage direct - current transformation system

    高壓直流輸電系統中線路結構的研究與實現
  12. Recommended practice for fire protection for electric generating plants and high voltage direct current converter stations

    發電廠和高壓直流轉換站的防火推薦規程
  13. Determination of power losses in high - voltage direct current converter stations

    高壓直流電換流站功率損耗測定
  14. According to negative temperature coefficient of vbe and positive temperature coefficient of vt, a framework of band - gap voltage reference is investigated. the reference offer a source of pir, distributed three voltage, one as upper - threshold voltage of dual - threshold comparator, the other as lower - threshold voltage of comparator, the other as direct current voltage for second band - pass filter amplifier

    同時利用pnp晶體管發射結電壓的負溫度特性和發射結差值電壓的正溫度特性設計了一個帶隙基準電壓源。此帶隙基準電壓源本身作為熱釋電紅外傳感器的電源電壓，同時分壓提供雙限電壓比較器的上限電平和下限電平以及第二級帶通濾波放大器的直流電平。
  15. First and second band - gap filters amplify small signals and shift direct current voltage, which filter interference and noise by frequency. then, comparator restrains noise and interference through 700mv voltage window

    兩級帶通濾波放大器對熱釋電紅外傳感器採集人體的微弱小信號進行交流放大和直流電平的轉換，並根據頻率對噪聲和干擾進行過濾。
  16. The power circuit of the system adopts the voltage frequency conversion structure of ac - dc - ac, and is composed of the commutation circuit, filter circuit and intelligence power module ( pm15rsh120 ). control circuit takes the dsp chip tms320lf2407 as core, including the pwm signal occurrence circuit, detect circuit of stator current and direct current voltage of generatrix, drive circuit of intelligence power module, detect circuit of speed, protect circuit of system etc. all of this builds the full digital vector control system of asynchronous motor

    該系統的功率電路採用電壓型的交-直-交變壓變頻結構，由整流電路、濾波電路及智能功率模塊ipm （ pm15rsh120 ）逆變電路構成;控制電路以dsp晶元tms320lf2407為核心，加上pwm信號發生電路、定子電流檢測電路、直流母線電壓檢測電路、智能功率模塊驅動電路、速度檢測電路、系統保護電路等，構成了功能齊全的異步電機全數字化矢量控制系統。
  17. The factors effecting on the grid - connected ripple current are analyzed deeply. the criterions of selecting inductance l and direct current voltage ud are presented

    本文對並網紋波電流的影響因素進行了深入的理論分析，給出了電感上、直流電壓u _ d的選擇依據。
  18. The open - looped driving circuit is based on the idealization of the vibration. the square wave voltage and the direct current voltage are combined to drive the gyroscope. influences of square wave voltage are analyzed though simulation. as for the real situation of the vibration, the closed - looped driving circuit is given

    開環電路採用方波加直流偏置的等效交流電壓驅動陀螺振動，通過模擬分析了方波驅動形式對陀螺振動的影響；結合開環驅動電路，提出了閉環驅動電路方案。
  19. Presently take the direct current voltage - stabilized source as the example introduction experiment educational reform, this experiment educational reform enable the student to obtain the twice the result with half the effort study effect, let the student achieve the knowledge from the rational cognition the perceptual cognition

    現以直流穩壓電源為例介紹實驗教學改革，該改革使學生得到了事半功倍的學習效果，讓學生將知識點從理性的認知達到了感性的認知。
  20. Abstract : this paper introduces the working pinciples of the electro - economizer, in which either alternating or direct current voltage can be input with the adaption to the operating coils of contactor, steady direct current is output, and voltage auto - converting is absorbed and kept withno contacting point

    文摘:論述了與交流接觸器操作線圈適配的交直流輸入（操作）電壓通用，恆直流輸出，吸合與保持電壓無觸點自動轉換節電器的工作原理。
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