負載交變 的英文怎麼說
中文拼音 [fùzǎijiāobiàn]
負載交變
英文
alternation of load-
The former was related to mn doping, both of p - carries supplied by la3 + or oxygen hole and n - carries induced by changing mn4 + into mn3 + can be locally displaced and simultaneously response with external electric field., furthermore due to the overlaps between positive and negative carries. the latter was due to the phase transformation between orthorhombic and cubic, which was in fact the curie point
前者為la ~ （ 3 + ）和氧空位等產生的p型載流子和mn離子變價引入的n型載流子在外電場下發生局域重排產生的載流子極化，且由於正負載流子的迭加效應所致，該介電峰與mn離子的摻入相關；後者為體系出現相應的正交與立方結構的轉變所致，也即居里點。In view of this situation this article has conducted research to the design of metallurgy auxiliary biography with the frequency conversion table electrical machinery first multianalysis to the frequency changer and the frequency conversion table electrical machinery movement characteristic is carried out, the voltage waveform harmonious which the frequency changer outputs is big, attacks in a big way, and the voltage climbing rate reaches as high as 6600v / mu s which is 20 times ordinary sine alternating voltage, the rolling mill auxiliary biography table set the extremely strict request to the electrical machinery ; its movement frequency is very low, rate frequency in 8 - 20hz ; the velocity modulation scope is wide, the lowest movement frequency lowers to 1hz, and the starting number of times is quite frequently, each hour reaches as high as 600 - 800 time, the impact shoulders in a big way, the overload capacity request is high
針對這一情況本文對冶金輔傳用變頻輥道電機的設計進行了系統研究。首先對變頻器和變頻輥道電機的運行特性進行詳細分析，變頻器輸出的電壓波形諧波大，沖擊大，電壓上升率高達6600v / s ，是普通正弦交流電壓的20倍;軋機輔傳輥道對電機提出了十分嚴格的要求:其運行頻率很低，額定頻率在8 - 20hz ;調速范圍寬，最低運行頻率低到0 . 5hz ，起動次數相當頻繁，每小時高達600 - 800次，沖擊負荷大，過載能力要求較高。Product this company, brush of british, high - handed limit that manufacturing technology produce to flow fuse box, products suitable for family exchenge 50hz, specified voltage 3kv kv, 6kv 7. 2kv, 12kv 15kv system, can cooperate and is used with other protection electric apparatuses such as the on - load switch, vacuum contactor, as high - handed motor, electric power voltage transformer and electric power overload or holding up of equipment, etc. protect the component
本產品是英國brush公司高壓限流熔斷器製造技術生產的，產品適用於戶內交流50hz ，額定電壓3kv 3 . 6 kv ， 6kv 7 . 2kv ， 12kv ， 15kv系統，並可與其它保護電器如負荷開關，真空接觸器配合使用，作為高壓電動機，電力變壓器及電力設備的過載或短路等保護元件。Product this company, brush of british, high - handed limit that manufacturing technology produce to flow fuse box, products suitable for family exchenge 50hz, specified voltage 3kv kv, 6kv, 12kv 15kv system, can cooperate and is used with other protection electric apparatuses such as the on - load switch, vacuum contactor, as high - handed motor, electric power voltage transformer and electric power overload or holding up of equipment, etc. protect the component
本產品是英國brush公司高壓限流熔斷器製造技術生產的，產品適用於戶內交流50hz ，額定電壓3kv 3 . 6 kv ， 6kv 7 . 2kv ， 12kv ， 15kv系統，並可與其它保護電器如負荷開關，真空接觸器配合使用，作為高壓電動機，電力變壓器及電力設備的過載或短路等保護元件。In this paper the research object is new model alternating current servo system. according to the request that was the static state - dynamic state precision and the celerity of response brought forward by task book, aimed at the bad circs of large inertia variety load and the sway of launch flat, we made deep research
本文以新型交流伺服系統作為研究對象，依據設計任務書所提出的靜態、動態精度和響應快的要求，針對大慣量、變負載和力矩干擾等惡劣情況之下的伺服控制問題進行了深入研究。The results of the experiment show this creative ac variable frequency speed - governing experiment system can realize the load relationship of direct electromagnetic torque between the motor group, get the continuous control process easily for the reaction load and potential energy load during four quadrant, achieve the total availability of the regenerate energy at any kind of load, and the system consumed power make up under 30 % of actual load power at any kind of load
該方案研究獲得的實驗結果表明：這種具有創新特色的交流變頻調速實驗系統可實現電動機組之間直接電磁轉矩方式的負載關系，可方便地獲得電動機在反應或位能負載特性下四象限運行的連續控制過程，並實現了任意負載方式下再生能量的全部回饋利用，任意負載下系統消耗功率僅占電動機實際負載功率的30 %以下。4. to get the motor ' s performance by calculation with known formulas, as a result an adjustment for the motor ' s configuration can be practised. when a combined method of altering the length of armature, the number of turns in the winding and the dimension of permanent magnet is used. 5. to get the motor ' s performance when it is driven by the power converter. finally, the calculated data are compared with the experimental measurements, so as to verify the rationality and reliability of the method
Q採用數值分析直軸負載磁場和交軸電樞反應磁場的方法來計算，得到較為準確的結果；根據電機工作特性的計算公式計算電機性能，由計算結果調整電機的結構，而調整工作使用改變電機鐵心長度、繞組匝數和永磁體尺寸相結合的方法，這樣可以得到較為理想的結果；對變頻電源供電時電機的工作特性進行計算，以檢驗其變頻時的性能。Typical depositional structures of tempestite, such as radically arrangement of plate - like micrite gravel, hummocky lamination, load structure, grading bedding and ripple bedding are presented in the succession, indicating its accumulation in an offshore environment
該風暴沉積的底面侵蝕構造清楚，板片狀泥晶灰巖礫石呈菊花狀排列，發育丘狀交錯層理、負載構造、遞變層理和小波紋層理等沉積構造，為典型的淺海風暴巖。Aeronautical static inverter ( asi ) is a kind of static converting device, which converts the dc ( 27v / 270v ) in the main power of aircraft into ac of constant - voltage and constant frequency by means of power semiconductor devices. with the development of the aircraft, all the electric equipment on the plane requires the power supply system with better performance
航空靜止變流器（ asi ? aeronauticalstaticinverter ）是航空電源系統的二次電源，其作用是將飛機主電源直流電27v或270vdc變換成恆壓恆頻單相115v 400hz ，單相36v 400hz ，三相115v 200v ，或三相36v交流電，供飛機上負載使用。Alternation of load
負載交變Firstly, the input three - phase ac is converted into dc after it passes rectifier and filter circuit. secondly, the dc is changed into three - phase ac which frequency and value can be continuously adjusted. lastly, the output three - phase ac is supplied to load
該實驗單元首先把輸入的三相交流電經整流濾波后變成直流電，然後把直流電逆變成頻率和電壓大小可調的三相交流電，供給三相對稱負載。Circuit model of apf with this method is set up with psim. simulations are performed with this kind of apf applied to different nonlinear loads, including cycloconverter load. load - adaptabilities of this apf
在psim中建立了該控制方法的電路模型，並將其應用於不同的非線性負載進行了模擬研究，包括交-交變頻器負載。This paper put forward the realization method of a kind of multi - function general use inverter system which added other functions based on the independent sine wave inverter, it not only can be used as independent inverter power supply but can be used as an in - support mode ups which realize synchronous with the phase of power grid voltage and realize to switch with power grid mutually, it also can realize three phase ac output by the combination of three synchronous inverters, experiment proved it in this way has a stronger ability of resisting three phase unbalance load
本文提出了一種基於獨立正弦波逆變器的功能之上復合其他功能而成的多功能通用逆變電源系統的實現方法，此系統不僅可以作為獨立逆變電源使用，還可以與電網電壓的相位同步，作為后備式正弦波ups使用，在逆變電源和電網的相互切換時能做到對負載無影響，同時還可以由三臺逆變器進行組合自同步實現三相對稱交流輸出，實驗證明這種方式具有較強的抗三相不平衡負載的能力。3. a good result is gotten under the star - hspice simulation. the dc gain is 90 db, the offset voltage is 40 u v while driving 10k, the unity - gain frequency is 10mhz with phase margin 67, the slew rate is 10w us while driving 10pf
用star - hspice模擬軟體對電路模擬，在1 . 5v電源電壓、直流10k負載、交流10pf負載的情況下，整個共模電壓范圍內跨導基本保持恆定，只有18的變化，直流增益90db ，單位增益帶寬10mhz ，相位裕度80度，壓擺率10v s 。For ac electric arc furnace is an unbalanced, nonlinear and time variant load that produces unbalance, harmonics and interharmonics related with flicker effect. the modeling of all these aspects requires adopting a nonlinear, asymmetrical and dynamic v - i characteristic for the electric arc
由於交流電弧爐是一種不平衡的、非線性時變負載，它產生與電壓閃變有關的不平衡、諧波和分數諧波，所有這些就需要一種非線性、不對稱的動態u ? i特性的電弧爐模型。In the thesis, the key technical problems utilizing genetic algorithm and random method to design any - cast routing algorithms are explored. we designed and realized the any - cast routing algorithm based on genetic algorithm. resolved the problems concerned in the algorithms, such as the code model, the original genus selection, the fitness function, the crossover strategy, the mutation regulation, and the algorithm ' s convergence, avoidance of dead loop etc. aim at different network scales we propose two any - cast routing algorithms
論文探討利用遺傳演算法和隨機方法研究選播路由演算法的關鍵技術問題，設計實現了基於遺傳演算法的選播路由演算法，解決了演算法中的編碼模式、初始種群選擇、適應度函數、交叉策略、變異規則，以及演算法的收斂、路由死循環的避免和負載均衡等問題。Alternating load deformation
交變負載變形The system uses the exchange frequency conversion technical control dynamometer work, provided the load or absorbed energy for the measured engine
系統採用交流變頻技術控制測功機工作，為被測發動機提供負載，吸收能量。What the subject researching is that power energy should be measured with base wave ammeter to power systematic nonlinear user ; and that it is high veracious by base wave ac parameters measurement method to those not bad contaminative. it is well known that all kinds of ac parameters including of base wave and harmonics, but the content of harmonics in power systems increase largely with the mass disturbance to power using high - power electric equipment. which makes wave shape of voltage and current aberrence, so the measurement veracity and reliability decreased largely. at the same time brings out serious infuency to safe run of power system and electric equipment. the power which any non - linear loads consumes can be divided into two sides, one is base power absorbed in power and the other is minus harmonics power
本課題所研究的問題是針對電力系統非線性負載用戶採用基波電度表來計量電能；而對諧波污染不嚴重的線性用戶採用基波交流參數測量的方法仍然具有較高的準確性。眾所周知，各種交流參量都包含基波和各次諧波，然而隨著電力電子技術的迅速發展，大功率的用電設備對電網的干擾也是越來越嚴重，導致電力系統諧波含量迅速增長，使電壓和電流的波形產生嚴重畸變，測量的準確性和可靠性都大大降低，同時也對電力系統和用電設備的安全運行帶來嚴重的影響。任何一種非線性負載所消耗的功率都可以分為兩部分，一部分為從電網中吸取的基波功率，另一部分則是負的諧波功率。Presented are the functions, main technical parameters and constituent components of the ac drive test system for locomotive, composed of locomotive power supply, converter, 3 - axial bogie rolling load test bench, asynchronous traction motor test bench and microprocessor automatic control system
摘要介紹了集機車供電、變流器、三軸轉向架滾動負載試驗臺、異步牽引電動機試驗臺、微機自動控制於一體的機車交流傳動試驗系統的功能、主要技術參數以及主要設備。分享友人