ac load 中文意思是什麼
ac load
解釋
交流負載-
The products is of high water hydrophobe device usedin suitable and has the characteristics of aging resistance, resistance, tracking resistance, and corrosive resistance. it can withstand high bent load, strong impact force fn12 - 12 series indoor use high voltage load switch fn12 - 12 and fn12 - 12r is of three phases indoor use ac high voltage load switch for breaking and making the circuit of 50hz, 12kv system under rated loading
Fn12 - 12和fn12 - 12r組合電器是額定電壓12kv額定頻率50hz的三相高壓開關設備用於分合負荷電流閉環電流空載變壓器和電纜充電電流關合短路電流配裝接地開關的負荷開關，可以承受短路電流 -
Hvdc is an abb innovation that transports large power loads over long distances with low losses and minimal environmental impact, requiring just two 500 kilovolt ( kv ) dc power lines to carry the same power load as five alternating current ( ac ) lines
Hvdc技術是abb的一項創新，在長距離的傳輸中，它傳送大量的電量，而損失很低，而且對環境的影響也達到最小化，只需要兩條500千伏的直流電線就可以運載相當於五條交流電線輸送的電量。 -
The drawing of ac load line in amplificatory circuit
放大電路交流負載線的作法 -
Ac load break switches with tripping device for 3. 3 kv or 6. 6 kv
帶脫扣裝置的3 . 3kv或6 . 6kv交流負荷斷路開關 -
The elements of the reduced - jacobian matrix are functions of some parameters of the system. for example, effective short ratio, power base ratio, coupling impedance and load flow of the system. for single - infeed hvdc system with a parallel ac line, computer simulations using power system analysis software package ( psasp ) were performed
用一種簡單的方法可以求得降階雅可比矩陣，由於降階雅可比矩陣的元素都是交直流混合系統中一些參數的代數函數，如有效短路比、功率基準比、連接阻抗和系統潮流等，因此，矩陣的特徵值也與這些參數相關。 -
As the basis apparatus components, which are use to switch on and switch off main circuit or big capacity control circuit, ac contactors are widely used in control of electromotor and other power load
交流接觸器是一種用來頻繁的接通和切斷主迴路或大容量控制電路的電器，廣泛應用於控制電動機和其它電力負載。 -
Fixed camera fastening its interior is loaded with an electric motor, on installs the good camera after the level to be possible to adjust the angle which the camera deals with, after achieved the best surveillance effect may accept the automatic control regulator by the electric motor the signal precisely to move the localization in under the control signal function, the camera already may automatically carry on the horizontal scanning to monitor the region, also may in under the monitoring center attendant s operation the moving surveillance object input voltage : ac 24v 50 60hz, 110v 60hz, 220v 50 60hz external dimensions : 119mm 115mm is high the weight : 0. 9kg material : abs high strength casts takes shape the degrees rotation : level biggest : 350, vertical 90 may adjust the velocity of whirl : 5 second 4 seconds revolve the spacing : exterior spacing card tunable load : 7kg function input plug : 1
Kl - 306室內水平雲臺是安裝，固定攝像機的支撐設備.它內部裝有一電動機，在水平雲臺上安裝好攝像機后可調整攝像機俯仰的角度，達到最好的監視效果后可由電動機接受來自控制器的信號精確地運行定位.在控制信號的作用下，雲臺攝像機既可自動進行水平掃描監視區域，也可在監控中心值班人員的操縱下跟蹤監視對象 -
Zirconiated tungsten electrodes have good performance in ac welding. especially under high load current its excellent performance can not be replaced by any other products
鋯鎢電極在交流條件下，焊接性能良好；尤其在高負載電流的情況下，鋯鎢電極表現出良好的優越性能。 -
It balls up well in ac welding and has a more stable arc than pure tungsten. especially with excellent performance in high load ac welding, it is not replacable by any other electrodes. it also resists contamination well in ac welding
尤其在高負載電流的情況下，鋯鎢電極表現出來的優越性能，是其他電極不可替代的，在焊接時，鋯鎢電極的端部能保持成圓球狀而減少滲鎢現象，並具有良好的抗腐蝕性。 -
High power 300v ac dc electronic load. gpib
交流直流300v高功率電子負載gpib -
In the actual cases, there are many motors often operate on low load with low power factor and low efficiency, also there are many motors operate on the magnetic flux saturate region with high energy consumption, a large mount of energy used by ac motors is wasted due to all of those factors
在實際運行中，許多電動機經常處在低效率、低功率因數的欠載運行狀態下，還有許多電機則是鐵芯磁通常進入飽和區的高能耗電機，這些因素均可導致大量電能的浪費。 -
Timber fasteners - characteristic load - carrying capacities and slip - moduli for connector joints ; german version en 13271 : 2001 ac : 2003
木製緊固件.連接件滑動模數和特性承載力 -
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。 -
Purpose of the rectifier transformers is to operate with the ac / dc power converters connected to them, to adapt the power line voltage to the voltage required by the load but can ' t provide galvanic separation between load and power line
整流變壓器的作用是連接到ac / dc電源轉換器上將電源側電壓轉換為負載所需電壓但不提供負載和電源之間的電隔離。 -
Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed
論文首先分析了風機運行特性及其最佳風能利用原理，通過模擬及實驗驗證了採用直流電機的輸出特性模擬風力機的最大輸出功率曲線的可行性，並給出了模擬系統的硬體結構；然後為了實現交流勵磁發電機有功、無功功率獨立調節機理，分析了交流勵磁雙饋發電機的數學模型和在追蹤最大風能捕獲變速恆頻風力發電時必需的定子磁鏈定向矢量控制策略；針對雙饋發電機轉子能量雙向流動的要求，提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻器；最後為實現從理論到實踐的全面研究，研製出了一套小功率完整的雙pwm變頻器交流勵磁的雙饋風力發電機實驗系統，進行了空載、並網、同步速及上、下的發電運行等一系列的運行實驗；所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確性、可行性。 -
（ 2 ） the major circuit has been established, composed of rectifier 、 buck - chopper 、 push - pull inverter and matching network, which realizes high - power supersonic ac output. to achieve maximal output power, the pulse frequency modulation ( pfm ) has been applied to auto - adjustment of output frequency, which corresponds to the load ' s resonant frequency
（ 2 ）建立了超聲電源主電路，其中包括：整流、直流斬波、推挽逆變器和匹配網路等部分，實現了大功率超聲頻交流電的輸出，輸出頻率的脈頻調制（ pfm ）和輸出功率的脈寬調制（ pwm ） 。 -
Through establishing three mathematics models including the movement equation of the mechanical and electrical transmission system, the control of the load and the sliding in stable status, direct - current - brake of ac motor, this paper ascertained the range of the frequency value of drive motor and the efficiency of transmission system, calculated the efficiency of load motor in stable status and the moment of load motor in braking. this paper completed the design of the mechanical part of inertia brake test platform and provides a tool for the measurement of the inertia brake parameters
本文還通過建立慣性制動器試驗臺的包括機電傳動系統的運動方程、穩態運行時負載與轉差率控制、交流電動機直流制動在內的三個數學模型，確定驅動電機的頻率取值范圍和傳動系統的傳動效率，驗算慣性制動器穩態運行時負載電機軸功率和慣性制動器制動時負載電機軸力矩，完成慣性制動器試驗臺設計中的機械部分，為慣性制動器各參數的測量提供工具。 -
A novel method of pmsm ac servo system ' s load torque motion compensation
永磁同步電機交流伺服系統負載轉矩動態補償方法 -
Djw - wb 、 sjw - wb series single and three phase & large - power auto compensated voltage regulator, incorporating advanced technology of group winding compensation and mon - contact suitch and micro - computer controling ac regulation, with functions of high effeciancy quick regulating ou - to - balance of three phases no mechanical no mechanical broken down and wear of carbon brush and time delay over and low load warning and protection
集先進的組合繞組補償方式和無觸點開關、微機控制交流穩壓技術於一體，具有高效節能、調節快速、三相自動平衡、無機械故障和碳刷磨損，並具有延時，過、欠壓報警和保護等功能。 -
Dpj88 - 380 ac distribution panel is a part of communication power supply, applies to all kinds of large cappacity distribution user. it can be used not only for the rectifier, but also for the ac lightingicair - condition and other devices. the panel is used to connect the mains supplyicoil engine power supply and ac load, it can be suplied by two ways of mains or by two ways of mains and spare generator at the same time. it is flexible and cnvenient
380型交流配電屏是通信電源系統的一部分，使用於各種大容量配電用戶，其不僅考慮了整流器的需要，同時也兼顧了交流照明、空調和其他設備的用電要求，是連接各路市電、油機電源和交流負載的常用設備dpj88 - 380型交流配電屏，可由兩路市電同時供電，使用靈活方便。
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