voltage class 中文意思是什麼
voltage class
解釋
電壓等級-
Low - voltage fuses - part 4 : class cc fuses
低壓熔斷器.第4部分: cc級熔斷器 -
The class - d voltage switching amplifier technology is adopted to develop the rf amplifier
載頻放大器採用高效率的class - d開關放大技術。 -
The sample with low emitter efficiency has completed as the method of above. this lead to the greatly decrease of the reverse recovery time and the low reverse leakage and forward voltage, especially the excellent temperature character of the leakage. the test date shows that the samples reach the first class of international level
本論文作者通過模擬測試，驗證了課題研究的理論設想，並設計製作了具有低陽極發射效率結構的高壓功率frd ，利用局域鉑摻雜和電子輻照相結合的壽命控制方式，實現器件反向恢復時間的極大減小，並且反向漏電流、軟度因子、正向壓降等關鍵參數也較理想，且具有極佳的漏電溫度特性，達到器件綜合性能的優良折衷，達到國際先進水平。 -
The author participated the senior training class of ultra - high voltage sponsored by state grid company of china
摘要作者為一名地級供電公司的負責人，參加了湖北省電力公司在國網公司高培中心舉辦的高級研修班學習。 -
Consumers are advised to buy christmas lighting chains bearing appropriate product information, including brand name, model, rated voltage and power, symbol for class ii insulation ( i. e. double or reinforced insulation ) and warning notices
消費者應選用附上牌子、型號、額定電壓及功率、第ii類絕緣符號（即雙重或加強絕緣） 、警告字句等適當產品資料的聖誕燈飾串。 -
And the ways to optimize the circuit architecture, minimize the circuit nonidealities and improve the circuit performance are analyzed combined with the characteristics of the modulator architecture. based on it, the switched - capacitor integrator, class a amplifier, nonoverlap clock, voltage reference, comparator, feedback dac have been designed. in the end, the layout design is shown
調制器採用全差分開關電容電路實現，並根據系統結構特點就如何優化電路結構、克服電路中存在的非理想特性、提高電路性能作了具體分析，在此基礎上完成了開關電容積分器（開關、電容、運算放大器） 、參考電壓源、比較器、兩相非交疊時鐘、反饋dac等模塊的電路結構和參數設計。 -
Note type rated output, synchronous speed, voltage and frequency, insulation class, mounting type etc
訂貨時必須說明產品型號，額定功率，同步轉速、電壓及頻率、絕緣等級，安裝結構型等。 -
The insulation class f or class h. the insulation of open - loop u / f condition of. structure has the adaptability to high carrie frequency voltage supplied by frequency converter
電動機的絕緣等級為f級或h級，絕緣結構具有對變頻器輸出高載波頻率電壓的適應能力。 -
By close study on the average temperature rise, temperature distribution, and tune constant of the class f resin dry type power transformer ' s high voltage and low voltage winding under self - cooling and wind - cooling mode, we find out the connection between the variation of the load and the items, mentioned above. the results of the experiments can be reference to both thermal design optimization of dry type power transformer and the revision of current standards. meanwhile, we develop the software, which can predict the overload ability of the dry type power transformer
本文對f級樹脂澆注式乾式變壓器的高、低線圈的平均溫升，內部溫度分佈和時間常數在自冷和風冷，兩種冷卻方式下隨負載變化的規律進行了研究，得出了平均溫升、熱點溫升和時間常數隨負載變化的相互關系和有關計算用參數和公式，試驗結果可作為改進乾式電力變壓器的熱設計的依據和對現行標準進行修改的參考。 -
A push - pull output stage was used in the circuit to extend output voltage from rail to rail and a class ab biasing is used to improve the power efficiency of the circuit
輸出級採用共源結構的互補推挽輸出結構，提高了輸出電壓的動態范圍。並使用甲乙類的輸出結構，提高了電路的功率效率。 -
Ganfa has over 50 years experience of designing and manufacturing and has many items of patent techninque. the synchronous generators and permanent magnet generators which are manufactured with advanced technology and excellent machining equipement, will be able to meet the requirement of different technical condition which matched with various type turbines. ganfa has manufactured the generators of 0. 1 to 20mw in capacity which have been put into operation at present and owns the capability to manufacture the following generators : the capacity per unit up to 180mw, the stator outer diameter of generator up to 9, 000mm, the speed of vertical type generator up to 750r min, and thespeed of horizontal type generator up to 1, 500r min, both the b - grade and f - grade insulation class, the terminal voltage can up to 13. 8kv. ganfa manufactured 34, 500kw water turbine generator sets for the donghewan power station, yongchang, gansu, china which is located in 2. 868. 5m height above sea level, and has successfully solved the difficult problems such as plateau corona - shielding. ganfa is equipped with the generator test station and insulation material laboratory which are advanced test facilites and testing means to make each item electrical performance of products meet designing requirements from purchasing to delivering
公司具有50年的設計製造經驗，擁有多項專利技術，生產的同步發電機永磁機技術工藝先進，製造精良，能滿足與各式水輪機配套的不同技術條件要求。目前公司已製造投產的發電機容量范圍為0 . 120mw ，具備生產單擊容量50mw的能力，發電機機座號最大可達9000mm ，立式機最高轉速750r min ，臥式機最高轉速達1500r min ，絕緣等級有b級和f級，圈式線圈最高電壓達13 . 8kv ，公司製造的甘肅永昌東河水電站34500kw水輪發電機組，海拔為2868 . 5m ，成功解決了高原防暈等難題。公司擁有電機試驗站絕緣材料試驗室等先進的實驗室設施和測試手段，使產品從原材料進產，到成品出產的各項電器性能測試均能滿足設計要求。 -
Its rated voltage class includes 40. 5kv, 72. 5kv and 126kv. this product is applied for connecting and disconnecting of hv lines at no load, electrical isolation between inspected hv busbar, circuit breaker and other electrical equipment, and live hv lines, as well as connecting and disconnecting of small capacitance current and inductance current. the new - type hv disconnecting switch can effectively prevent such common problems as overheat in galvanic circle, misoperation and
該系列產品為三相交流50hz的戶外高壓電器設備，額定電壓等級有33kv 40 . 5kv 72 . 5kv和126kv ，供高壓線路在無負載情況下進行開合，以及對被檢修高壓母線斷路器等電氣設備與帶電的高壓線路進行電氣隔離之用，也可用於開合小的電容或電感電流，並可按用戶要求加裝接地開關。 -
Its rated voltage class includes 40. 5kv, 72. 5kv and 126kv. this product is applied for connecting and disconnecting of hv lines at no load, electrical isolation between inspected hv busbar, circuit breaker and other electrical equipment, and live hv lines, as well as connecting and disconnecting of small capacitance current and inductance current. the new - type hv disconnecting switch can effectively prevent such common problems as overheat in galvanic circle, misoperation and part rusting
該系列產品為三相交流50hz的戶外高壓電器設備，額定電壓等級有33kv 40 . 5kv 72 . 5kv和126kv ，供高壓線路在無負載情況下進行開合，以及對被檢修高壓母線斷路器等電氣設備與帶電的高壓線路進行電氣隔離之用，也可用於開合小的電容或電感電流，並可按用戶要求加裝接地開關。 -
A two - stage hybrid scheme is proposedbased on the criteria that decreasing mode nuinber reasonably and different attention shouldbe given to different class control variables, i. e., at the begirming stage, a larger granu1arity isused to make ga searching the area contaning optimal sollltion with less generation. thehybrid scheme of binary and integer code distinguished by voltage level is of clear levelconception thus can search the high voltage control variables more carefully. crossover andmutation of ga are also refined on the basis of above scheme
並從合理減少模式數以及對不同變量給予不同程度關注的原則出發，提出了兩階段分層混合編碼方案：在遺傳演算法的開始階段，用較粗的粒度編碼，使遺傳演算法能夠用較少的迭代次數快速搜索到最優解所在的區域；按電壓等級分層的二進制和十進制混合編碼，具有清晰的層次概念，對那些影響較大的高壓網控制變量能夠有針對性地以更高的精度進行搜索。 -
Changchun extrahigh voltage bureau must take haier as the model and found its own enterprise culture if he wants to buck for development, hold the future and try for achieving the national electrical network first - class enterprise
本人認為，長春超高壓局要謀求發展、擁有未來和爭創國家電網一流企業，就必須以海爾為楷模，創建自己的企業文化。 -
Low - voltage fuses - part 2 : class c fuses
低壓熔斷器.第2部分: c級熔斷器 -
Standard for safety for low voltage transformers - part 3 : class 2 and class 3 transformers
低壓變壓器安全標準.第3部分: 2和3類變壓器 -
Control module is encapsulated into the control class. because the time of statement is not coincident with the time of galvanometer ' s turning controled by voltage, delay is considered in the control process
將控制模塊封裝在新建的控制類中，由於計算機完成每條指令的時間與轉換后的電壓控制振鏡轉動時間不一致，所以在控制過程中加入延時設置。 -
Low - voltage fuses - part 11 : class a, class b fuses
低電壓熔斷器.第11部分: a級和b級熔斷器 -
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。
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