tap change 中文意思是什麼
tap change
解釋
抽頭轉換器-
Quick change bush for tap. dimensions
絲錐用快換套.尺寸 -
It is to point to tap water, pumping station, sewage disposal, change the report, building that burns the municipal and public facilities such as processing of gas, heat addition, rubbish, environmental sanitation, public toilet, funeral and interment, fire control
是指自來水、泵站、污水處理、變電、燃氣、供熱、垃圾處理、環衛、公廁、殯葬、消防等市政公用設施的房屋。 -
Load tap change
帶載抽頭切換 -
First the paper use the different four network operating condition as the primary given conditions and set the 330 / 220kv transformer tap changer position in the standard position, adding the paralleled capacitor bank sets one by one into the network to change the amount of the input reactive power, thus obtained four sets of the 330kv and 220kv bus voltage and the active and reactive power losses changing curves
進而研究了在每一確定並聯補償電容器組投入量條件下，隨聯變調壓檔位變化而產生出的一組並聯補償量、母線電壓與損耗的變化曲線。進而選出了隴南電網在四種選定電網運行方式下、有功損耗最小條件下的最優綜合控制組合曲線。 -
Then the paper uses the same typical four network operating conditions as the primary given conditions and when adding one set of the parallel capacitor bank, changing the 330 / 220kv transformer tap changer position step by step to change the transformer ration, through this study methods this paper found out all the optimized combination of the tap changer position and the amount of input reactive power, also obtained four sets of the 330kv, 220kv and hokv s / s bus voltage and the active and reactive power losses changing curves. through analyzing the optimized combination control curve and the network power flow, the paper generalizes the rules as following : the chief measure of coordinative control is inputting shunt reactor in chengxian s / s in winter time both in the planning year of 2010 & 2005 ; in summer time in planning year of 2010 the chief measure is to input proper shunt capacitor
本研究通過分析所獲得的最優綜合控制組合曲線及電網潮流，總結出了如下規則：隴南電網在2005年及2010年冬大、以及2005年夏小運行方式下，綜合控制應以成縣變投入適量並聯補償電抗器作為主要措施；在2010年夏小運行方式下則投入適量並聯補償電容器作為主要措施，再輔助以選擇合適的主變有載調壓分接頭來調節，達到控制網內無功潮流分佈合理、各變電站母線電壓在理想的范圍內時電網有功損耗最小，從而也提高了電網安全運行水平及供電質量。 -
The transformer that use solid state relay to realize automated regulation is explored in this issues, it change the winding turn of once side according to the voltage of second side by on - load tap - changer. thus the purpose to realize automatic steady voltage
本課題研製的應用固態繼電器實現的有載自動調壓變壓器，通過自動有載調壓分接開關根據變壓器二次側的電壓自動改變變壓器一次側的匝數，從而實現自動穩壓的目的。 -
This change from well water supplies to tap water from shek pik reservoir assisted in modernising the lives of the island s residents. the plover cove scheme was introduced in the spring of 1961
在1970年代初期，透過石壁水塘，主要的離島供水網路基本上完成，改變了離島居民以地下水為主要食水水源的習慣，生活得以邁向現代化。 -
By the 1970 s, due to the available provisions of fresh water from shek pik reservoir, the main water supply network for the outlying islands had been completed. this change from well water supplies to tap water from shek pik reservoir assisted in modernising the lives of the island s residents
在1970年代初期，通過石壁水塘，主要的離島供水網路基本上完成，改變了離島居民以地下水為主要食水水源的習慣，生活得以邁向現代化。 -
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。 -
His particular focus is in helping individuals and groups tap into deep spirit forces for motivation and to enable change
他最關心的焦點是幫助個人與團隊探索深層的精神，促成自我激勵的動力，成就所需的改變。 -
Then reactive power optimizing calculation is figured out on the chongqing power network on condition that the loss minimum of the active power network is object function, taking account of the limit of voltage restriction condition, adopting three mode of generators adjustment reactive power compensation and tap change. it achieves satisfaction result, expectable purposes of reducing voltage and active loss
然後以系統有功網損最小為目標，考慮電壓約束條件的限制，採用發電機調節、無功補償、分接頭調整三種調控方式對重慶電網低谷時段的運行方式進行了無功優化計算和分析，取得了滿意的結果，達到了預期的降壓目的，減少了網損。 -
Thirdly, the wire size variations, vertical balance, insulation and joint features on adsl lines will affect the insertion loss and introduce additional noise, thus reducing the transmission rate and degrading the transmission performance. fourthly, the bridge tap on the adsl line will greatly change the frequency response and phase - frequency features of the line insertion loss
第三，線對線徑的改變、線路的縱向平衡性、線路的絕緣性能和線路接頭的性能將影響線路的插入損耗、引入附加噪聲，從而降低adsl的傳輸速率，影響adsl的傳輸性能。 -
On - load tap - changer of transformer can work under load, transfer quickly, change one class voltage about 3 - 6 ms each time ; switch can be operated by hand or electrically - driven and distant place operate while being electronic too, easy to realize automatic management ; transfer and keep relatively heavy range is generally more than 15 % ; switch and voltage transformer structure are more complicate than others, make man - hour and material increase, the cost is relatively high
變壓器的有載調壓能帶負載調壓，調壓速度快，每調換一級電壓約3 6s ；開關可手動、電動操作，也能遠方電動操作，便於實現自動化管理；調壓范圍較大，一般為15以上；開關和變壓器結構比無勵磁調壓的復雜，製造工時和材料增多，成本較高。 -
At the same time, we have kept our fingers on the pulse of the society and continued to devise non - postal services that tap into our large delivery network. examples include paythrupost service, one - stop logistics service, electronic remittance service, issuance of electronic certificate, so on and so forth. by thinking outside the box and keeping abreast of change, we have been able to offer the citizens an array of diversified services
時至今日，我們緊貼市場脈搏，靈活地運用本身的網路優勢，跨越自身的領域，拓展更多更新的非郵政業務，例如"郵繳通" 、一站式物流，電子郵匯、電子證書等等服務，與時並進，務求讓市民享用到香港郵政提供的多元化服務。
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