電壓太低 的英文怎麼說
中文拼音 [diànyātàidī]
電壓太低
英文
too low voltage-
On the base of these theory calculations, we passivated the front - surface both of different surface doping concentration solar cells by a thin layer of thermally grown sio2. the results show that the in heavy surface doping concentration cell is lower compared to the cell in light surface doping concentration. the majority of improvement in comes from the emitter surface passivation
接著採用sio2作為鈍化膜,從實驗上比較了在不同表面濃度下單晶硅太陽電池的鈍化效果,結果表明在高表面濃度下其開路電壓比低表面濃度下的開路電壓低,這開路電壓的提高主要來源於降低了前表面復合。The discriminator circuit is mainly composed of an integrated voltage comparator, max921, and owns the characters of very low - power and low operating voltage
該甄別器具有微功耗、低工作電壓的特點,適宜於輸入脈沖速率要求不太高的電路。The system follows carnot cycle principle. driven by electricity, its working substance absorbs the latent heat in the air or other low - temperature heat source, and waste heat let out of living or industry, compresses it to heat by compressor, exchange, exchange heat with water to higher the water temperature ( 55 warm ). it a new water heating apparatus, used in home heating, and influenced by environment runoff and the heat exchang of working substance. this system is more used in southem china
根據逆卡諾循環原理,採用電能驅動,通過工質吸收空氣中或其他低溫熱源中無法被利用的太陽能潛熱、生活及工業排放的廢熱,通過壓縮機壓縮升溫,再與水換熱,使水溫升高,獲得( 55 )熱水,是一種新型的熱水製造設備,應用於家庭和熱水系統,受到環境溫差和工質換熱的影響,熱泵熱水器/熱水系統更多適合南方地區應用。In the paper we mainly researched space gainp2 / gaas / ge high efficiency tandem cells " making process by home - made low pressure mocvd technology and new solar concentrators. firstly, we presented reseached and development of solar cells in china and foreign countries ; secondly, on the basis of fundamental priciples and theories, we discussed some factors of influcing conversion efficiency of solar cells, and analysed the i - v output feature of two - junction tandem cells ; then the design concept of gainp2 / gaas / ge two - junction tandem cells was discussed, the detailed aspects of gainp2 / gaas / ge tandem cells epitaxy growth by low pressure mocvd was studied, and some questions on epitaxy growth ( such as crystal qualities, interface stress, element interdiffusion, n - and p - type doping et all ) were solved ; after that, the cell fabrication process was described ; finally, we reseached the hot pressing and mould process technology of an arched line - focus fresnel lens made by pmma, designed and fixed new solar concentrators
本文致力於用自製的低壓mocvd裝置進行cainp _ 2 / gaas / ge空間用高效級聯太陽能電池製作的工藝以及聚光太陽能電池組件的研究。首先,介紹了國內外太陽能電池的研究現狀及應用情況;其次,運用太陽能電池基本原理討論影響電池轉換效率的因素,分析了級聯電池的伏安特性;隨后,討論了cainp _ 2 / gaas / ge雙結級聯電池的結構設計理念,研究了採用低壓mocvd技術生長cainp _ 2 / gaas / ge級聯太陽電池材料的工藝過程,解決了異質材料生長的結晶質量、界面應力、材料互擴散以及材料n 、 p型摻雜等一系列問題;然後總結了級聯電池的后工藝製作;最後,研究了以pmma為材料的菲涅耳線聚焦透鏡的熱壓成型工藝及其模具的加工工藝,設計並安裝完成新型聚光太陽能電池組件。On charge, the counter-voltage or overvoltage of the battery could be so high as to restrict the charging characteristics at low temperatures.
充電時,蓄電池的反電壓或過電壓太高,以致限制了低溫充電性能。The gplb exhibits good discharge performance with discharge curve declining slowly, and the average discharge voltage is 3. 7v. it also has good rate charge and discharge performance, whose discharge capacity at 2. 0c is over 90 % of that at 0. 2c. the cycle performance at 0. 5c discharge rate is very good but bad at high discharge rate ( 1. 0c )
該電池具有良好的放電平臺,放電曲線平緩,平均放電電壓為3 . 7v ;倍率充放電性能良好, 2 . 0c放電容量為0 . 2c放電容量的90以上;電池的低倍率放電( 0 . 5c )循環性能良好,但高倍率( 1 . 0c )循環性能不太好,電池的低溫性能也有待提高。Key technologies and its mechanism for improving crystalline silicon solar cells in the scale manufacture have been researched in this thesis. after sioa surface passivation and forming gas treatment utilization in the scale manufacture, the surface recombination and series resistance of solar cells have been reduced while their open - circuit voltage, fill factor and efficiency improved
本論文研究了提高晶體硅太陽電池效率規模化生產工藝技術的主要環節和相關機理,將sio _ 2表面鈍化、 forminggas處理用於規模化生產,降低了太陽電池的表面復合速度和串聯電阻,提高了開路電壓、填充因子和轉換效率。Solar energy lamp hasn ' t hidden safety trouble solar energy lamp is ultra low voltage product with safe andreliable run, therefore, it hasn ' t the hidden safety trouble of public power lighting system caused by irregular power supply, conflict of water and power pipes
太陽能燈沒有安全隱患:太陽能燈是超低壓產品,運行安全可靠,不存在市電照明系統由於供電不正常、水電氣管道的沖突等方面帶來諸多隱患。Solar energy lamp hasn ' t hidden safety trouble solar energy lamp is ultra low voltage product with safe andreliable run, therefore, it hasn ' t the hidden safety trouble of public power lighting system caused by ? irregular power supply, conflict of water and power pipes
太陽能燈沒有安全隱患:太陽能燈是超低壓產品,運行安全可靠,不存在市電照明系統由於供電不正常、水電氣管道的沖突等方面帶來諸多隱患。Gfm series solar modules are made of high efficiency solar cells in series or in parallel, high transmission rate and low iron tempered glass, anti - aging eva and high flame resistant tpt by hotlamination, with andized aluminum alloy frame. products have high efficiency, long life, easy installation, high resistance against wind pressure and hail impact etc advantages
Gfm系列太陽能電池組件由高效晶體硅電池片串並聯,用高透光率低鐵鋼化玻璃、抗老化eva和優良的耐火性tpt熱壓密封而成,外加陽極化優質鋁合金邊框,具有效率高、壽命長、安裝方便、抗風、抗冰雹能力強的特性。Defeat the corrugated pipe that the company produces to widely apply to various valves in shenyang, press the switch at last, each field such as the instrument and apparatus, spaceflight aviation, petrochemical industry, electric electron, auto industry, heating power project, nuclear power station, hot network project of solar energy, the products are sell to countries such as south korea, india, and america and europe, etc., is sold to 20 odd provinces and cities at home, have obtained praise of the domestic and international every profession and trade
沈陽勝公司生產的波紋管廣泛地應用於各種閥門、高低壓開關、儀器儀表、航天航空、石油化工、電力電子、汽車工業、熱力工程、核電站、太陽能熱網工程等各個領域,產品銷往韓國、印度、及歐美等國家,在國內銷往二十幾個省市,並獲得了國內外各行業的贊譽。Cobranet audio network technology is the development trend of audio transmission and switching, as the pace of the broadcast digital and networked development is stepping. cobranet audio network technology transmits and distributes real - time and uncompressed digital audio signal. compared with analog, this technology not only transmits high quality audio, but also economize cost. now many broadcasting stations, gymnasiums and meeting places start to make use of this technology to build their network systems. in order to operate and maintain these networks, network managing software aiming at application will be needed
Cobranet音頻網路技術利用快速以太網傳輸和分配實時、非壓縮的數字音頻信號,在保證傳輸高質量的音頻信號的同時,與傳統的模擬方式傳輸音頻信號相比,大大降低了電纜布線等成本。目前很多廣播電臺、體育中心以及大型會場都開始利用該技術組建自己的音頻網路系統,而要運行和維護這個網路系統,需要開發專門基於cobranet技術的面向應用的網路管理軟體。分享友人