電荷減少 的英文怎麼說
中文拼音 [diànhéjiǎnshǎo]
電荷減少
英文
decay-
Accurate load forecasting is helpful to planning generators " starting and stopping in the interior of the electrical networks economically and reasonably, preserving the security and stability of power system, reducing the unnecessary circumvolving repertory capacity, making planning to overhaul the units in reason, ensuring the normal production and life of the society, effectively reducing the cost of generating electricity, increasing the economical and social benefit
電力負荷預測是供電部門的重要工作之一，準確的負荷預測，可以經濟合理地安排電網內部發電機的啟停，保持電網運行的安全穩定性，減少不必要的旋轉儲備容量，合理安排機組檢修計劃，保證社會的正常生產和生活，有效地降低發電成本，提高經濟效益和社會效益。Specifications : power input : standard 220vac, 50hz power output : standard 12vdc, 3a control electric locks or bolts directly
功能特性：交流輸入：標準220vac ， 50hz直流輸出：標準12vdc ， 3a直接控制電鎖：可減少門禁控制器的負荷，節省工程布線，減少故障隱患。Therefore, the power department and users are concerned aboui harmonic and reactive compensation. the power department usually manage compute and measure the electric net " s harmonic condition and connected or new - connected harmonic load. and need to measure the harmonic vol tage current in some electric net " point. then, by manual making an in - depth analysis and statistics on measured - data, it can reduce harmonic harm on public not to take some effective measures
電力部門通常在實際中，需要對電網的諧波狀況、已接入和新接入系統的諧波源負荷進行管理、計算及測量，需要對電力網路各點的諧波電壓、電流實際水平進行測試，然後對測試數據進行人工分析統計，並以此採取相應措施降低或減少諧波對電網的危害。This reduces the loading of chiller and minimises the power consumption of fresh air intake fan. it is estimated that the system can cut the electricity bill by $ 161, 000 per year
這可以減低製冷機的負荷以及鮮風風扇的電力消耗，估計這系統可令電費每年減少All of the above will be a basis for the studies of flow load control, power supply recovery and damage loss mitigation of power system after earthquake
該工作可為震后電力系統負荷快速調整、震區供電系統較快恢復電力供應，減少供電工程系統的損失提供理論分析依據。The paper first reviews the research background and actuality of the filter " s design in china and other country, introduces the meaning of the project and the work of the paper, narrates the theory of the switched - capacitor network and the basic switch building blocks, analyses the related factors of the design of sc filter. such as the selection of the architecture, the trade off of the opamp " s gain, bandwidth, phase margin, slew rate and setting time, the effect of the switch " s on resistor, how to reduce the charge injection and the clock feed - through, the power consumption and the selection of the sampling frequency and so on
本文首先回顧了濾波器設計的國內外研究背景和現狀，介紹了本課題提出的意義以及本文的主要工作，論述了開關電容網路原理和基本開關模塊，分析了開關電容濾波器設計的相關因素：電路結構的選擇，對運算放大器設計中高增益、寬帶寬、相位裕度、轉換斜率和建立時間等的折中考慮，開關的打開電阻對電路的影響，開關電容電路中怎樣減少電荷注入和時鐘饋通，以及整個電路的功耗問題和采樣頻率的選擇等。To minimize the impact of the overhaul of power generating, transmission equipments on the safety, stability and economic operation of power gird, this paper, aiming at the overhaul demand of lots of equipments, brings forward the practical optimization method for overhaul planning which can adapt to the dynamic changes of the scale of power grid and integrate the load forecast and the balance of power load and power volume into it, therefore solve the key technical problems encountered by using computer to realize the optimization of overhaul planning
為最大程度減少電網發、輸電設備檢修對電網安全、穩定、經濟運行的影響，針對電網大量設備的檢修需求，提出了能適應電網規模動態變化，並與電網負荷預測、電力電量平衡有機結合的實用檢修計劃優化方法，解決了利用計算機實現檢修計劃優化的關鍵技術問題。Based on a number of charging and discharging experiments, a thought is put forward that the polarization may be detected according to the terminal voltages at charging, terminal voltage at the short pause, and the soc ( state of charge ) ; the depolarization by momentary discharge according to the reference of optimal curve
在論文撰寫過程中，作者主要進行了如下方面的研究： -對鉛酸蓄電池的電化學機理進行充分研究，並在大量充放電實驗的基礎上，提出了依據蓄電池充電時和停充瞬間的端電壓和蓄電池荷電狀態檢測蓄電池極化狀況的思想。 -依據最佳曲線給定，採取瞬間放電減少極化。Specifications : power input : standard 220vac, 50hz power output : standard 12vdc, 5a control electric locks or bolts directly. reduce the load of access controller lower potential trouble nc no output, control all kinds of electric locks delay control circuit unlock delay time in 0 10s auto protection dimension : 180x77x77mm weight : 1540g
功能特性：交流輸入：標準220vac ， 50hz直流輸出：空載輸出14vdc ，負載輸出12vdc ，標準輸出電流： 5a直接控制電鎖：可減小門禁控制器的負荷，節省工程布線，減少故障隱患。On - line monitoring of hvcb is the precondition of predicting maintenance, is the key element of reliable run, and is the important supplement to the traditional off - line preventive maintenance in fact, the faults are made by hvcb, no matter in number or in times, is over 60 % of total faults so it has determinative importance for improving the reliability of power supply and this can greatly decrease the capital waste used by - dating overhaul in this paper, the inspecting way of hvcb mechanism characteristic is discussed the concept of sub - circuit protector is presented, the scheme that we offered has been combined with sub - circuit integrality monitoring theory, to ensure that it has the two functions as a whole according the shut - off times at rated short circuit given by hvcb manufacturer, the electricity longevity loss can be calculated in each operation, and the remained longevity can be forecast too an indirect way for calculating main touch ' s temperature by using breaker shell temperature, air circumference temperature and breaker ' s heat resistance is improved in this paper, and main touch resistance can be calculated if providing the load current msp430, a new single chip microcomputer made by ti company, is engaged to develop the hardware system of the on - line monitoring device, and special problem brought by the lower supply voltage range of this chip is considered fully
高壓斷路器所造成的事故無論是在次數，還是在事故所造成的停電時間上都占據總量60以上。因此，及時了解斷路器的工作狀態對提高供電可靠性有決定性意義；並可以大大減少盲目定期檢修帶來的資金浪費。本文論述了斷路器機械特性參數監測方法；提出了二次迴路保護器的概念，並將跳、合閘線圈完整性監視和二次迴路保護結合起來，給出具有完整性監視功能的二次迴路保護器實現方案；根據斷路器生產廠家提供的斷路器額定短路電流分斷次數，計算每次分閘對應的觸頭電壽命損耗，預測觸頭電壽命；提出根據斷路器殼體溫度和斷路器周圍空氣溫度結合斷路器熱阻來計算斷路器主觸頭穩態溫升的方法，並根據此時的負荷電流間接計算主觸頭迴路的電阻；在硬體電路設計上，採用美國ti公司最新推出的一種功能強大的單片機msp430 ，並充分考慮該晶元的適用電壓范圍給設計帶來的特殊問題；在通信模塊的設計中，解決了不同工作電壓晶元之間的介面問題，並給出了直接聯接的接線方案。Under the new situation, marketing and company development system based on market oriented, deepening market permeation on objective market, widening occupying substitute - goods market, improving service level, increasing market competitive ability, which are great effecting the national economy and people ’ s living standard
據介紹，美國、日本、加拿大、德國、法國、義大利等國家都有一支龐大的隊伍從事需求側管理工作。僅2003年，美國投入約15 . 6億美元實施電力需求側管理與營銷工作，節電537億千瓦時，減少高峰負荷2200萬千瓦。For the minimum area, based on the principle of reducing ceasing times and ensuring that power is steady, this paper advances the relevant bidding strategy. for the middle area, based on the principle of considering the cost of rivals and exerting the cost advantage of self, this paper advances the relevant bidding strategy
對于最低容量段，基於盡量減少停機、保證機組負荷穩定原則提出相應報價策略；對于中間容量段，基於充分考慮對手電量成本、發揮自身成本優勢原則提出相應報價策略；對于最高容量段，基於捕捉市場中獲利的商機原則提出相應報價策略。If we compensate the pump station with lower power numbers for electric power and electric capacity, we can reduce the current load in the power source and the lines
對已建成的功率因數偏低的泵站採用電力電容補償，可減少電源和線路的電流負荷。Because of forecasting reactive load at first, it can detect the change of voltage at low - voltage bus from the change of reactive load or the change of voltage at high - voltage bus, then it can decide that adjusting transformer tap or capacitor switch, and avoid blindly and deficient adjusting. on the condition the reactive power is balanced and voltage qualified, it can realize the switching times of loaded taps and capacitors being efficiently decreased
由於預先預測出無功負荷，提前了解了無功功率變化的趨勢，可以有助於判定低壓母線電壓變化是由無功負荷變化引起還是由高壓側電壓變化引起，從而適時決定是調有載調壓變壓器分接頭還是投切電容器，以此避免了盲目和不充分的調節，實現在保證無功基本平衡和電壓合格率的前提下，減少有載調壓變壓器分接頭的調節和並聯電容器組的投切次數。Simulating relay control systems by computer can help to enhance efficiency, reduce engineers ’ work load, and improve reliability of relay control systems
藉助計算機對繼電控制系統進行功能模擬，有利於提高工作效率、減少工程設計人員的工作負荷、提高繼電控制系統的可靠性。After putting the 150 mg / m3 electrostatic needle filtration fabric on the home air condition, the air condition ' s purifying efficiency can get to 71. 0 % ~ 73. 6 % and the resistance is 56 ~ 92pa which is a little higher. and the blast air ' s speed becomes lower and the quality of ventilation becomes less which affect the air condition ' s work
櫃式家用空調器上使用150g m3的針刺荷電纖維后，過濾pm _ （ 10 ）的效果顯著，過濾效率可以達到71 . 0 73 . 6 ；阻力稍微偏高，達到56 92pa ，送風口風速降低30 ，通風量減少，延遲了空調製冷時間，製冷效果沒有原來好，使用時應注意。The purpose of load demand controls is to reduce fuel consumption and limit problems caused by light load operation of reciprocating diesel generator sets
負載需求控制的目的是降低燃料的消耗量，減少往復式柴油發電機組因低負荷造成的故障。The practice shows that the peak load of system can be re duced with the interruptable load market and the reliability of system can be improved
實例計算分析結果表明， il市場的運作可以減少電網峰荷需求，提高供電可靠性。According to the characteristic of nine - area diagram of substation vol / var coordinated control, this system gives the defination of fuzzy sets and the degree of membership of input / output variables, and designs corresponding control rules. the results of simulation demonstrate the system can satisfy the constrains of the day - adjusting times of the switching of on - load transformer and paralleled compensation capacitors, and ensure voltage quality, reactive power basical balance. considering the var requirement in different load time period and the control demand in load saltation, a improved control scheme is provided. the results of simulation show the improved scheme can meet the demand of vol / var in different load time period, protect the wrong operation when either voltage or reactive power appears saltation, and decrease the times of regulation of the switching of on - load transformer and paralleled compensation capacitors finally, a background software module of substation vol / var coordinated control is designed, based on the supervisory control and data acquisition system of substation
模擬結果證明該系統能在各種負荷條件下確保電壓合格和無功基本平衡，且能滿足變電站對有載調壓變壓器分接頭日調節次數和並聯補償電容器組的日投切次數的限制。通過考慮不同負荷時段對無功功率的需求和負荷突變情況下的控制要求，對上述模糊控制策略進行了改進，模擬結果證明改進后的控制策略能滿足不同負荷時段對電壓和無功的要求、抑制電壓或無功突變情況下的誤動作，且有效地減少了有載調壓變壓器分接頭和並聯補償電容器組的調節次數。最後基於變電站scada系統設計了一后臺電壓無功綜合控制軟體模塊。America ' s federal energy regulatory commission ( ferc ) calculates that utilities could reduce peak demand by as much as 7 % through variable - pricing schemes
經美國聯邦能源管理委員會（ ferc ）測算，通過即時變動的定價策略，公共事業公司可以使峰值負荷下降7 % ，從而減少電廠的閑置產能。分享友人