閘波管 的英文怎麼說
中文拼音 [zhábōguǎn]
閘波管
英文
gate tube-
Specification for thyristor chopper of trolley bus
無軌電車晶閘管斬波器技術要求The main work is done with the help of model experiment. in the flood - relief experiment, the flood carrying capacity of spillway tunnel is checked. in the hydraulic experiment of the diversion power conduit system, the followings are studied : the flow condition and fluctuation in the surge chamber, the distribution of flow velocity before the rack in the surge shaft, the amplitude of stage in the quick gate bay etc. the test step, content and results of different proposals are introduced in details
本項優化試驗研究的目的主要在於,通過泄洪系統整體水力學試驗,校核泄洪洞的泄流能力;通過發電引水系統整體水力學試驗,研究調壓井內水流流態和水位波動情況、調壓井內攔污柵前流速分佈情況;確定快速閘門井內水位波動幅度;試驗確定壓力管道水擊壓力穿井系數以及泄洪洞弧形門處的水壓力。Mathematic model of wtg has been established which includes wind turbine, induction generator, thyristors, synchronous 6 - pulse generator and so on. the numerical simulation curves on the 275kva wtg are given
建立了由晶閘管控制的風力發電機軟並網系統模型,以一臺275kva的發電機為例進行了模擬,給出了起動和並網的模擬波形。The main circuit is consisted of 18 thyristors circuit and protection circuit. with the help of control subsystem, it can get the output of low frequency voltage ( current ) with the shape of sine wave ; the core of the control subsystem is the cpu of 87c196kc, and the synchronization circuit, the pulse - widen circuit, and the power - enlarged circuit form the accessorial subsystem of the control system. it possesses all the functions of digital triggering, digital tuning, analog / digital conversion ; the input transfer can isolate the input and output ; and the circumfluence reactor can reduce the circumfluence
主迴路採用由18個晶閘管組成的三相零式電路,並輔以晶閘管的保護電路,通過控制可以得到低頻正弦波的電壓(電流)輸出;控制迴路主要以87c196kccpu為核心,其外圍電路包括同步電路,脈沖拓寬電路,功率放大驅動電路等,完成了數字觸發、數字調節、模數轉換等功能;進線電源變壓器具有變壓和隔離作用;環流電抗器則實現了有效抑制主迴路瞬時脈動環流的功能。Besed on the circuit, electromagnetism and electric power electronics theories, we have done some theory research on the harmonics induced by thyristor commutate circuits of ac - dc locomotive, surge electromagnetism process. we calculate the theory content of harmonics using the fourier arithmetic under thyristor commutate and surge electrmagnetism process
論文根據電力機車類型的不同,運用電路、電磁場和電力電子學理論研究了交?直型電力機車相控整流時諧波的產生機理、勵磁涌流的電磁過程,並對晶閘管相控整流和勵磁涌流時的理論諧波含量進行了傅里葉分析。Bellows sealed gate valve
波紋管密封的閘板閥The electric power harmonic comprehensive control system with low cast and high security is applied in this article. it adopts that sourced compensation links with non - sourced compensation herewhich the former is realized by high frequency pwm control technology and the latter is carried out by crystal switch formed by non - flow and over - voltage. it can realize stepless modulation with imaginary power, mightiness compensation of harmonic and negative electricity, and circuitry consumption debasing are achieved
提出採用有源補償與無源補償相結合的電力諧波綜合治理技術及裝置,無源部分採用無涌流和過電壓的晶閘管控制電容器技術實現,有源部分採用高頻pwm控制技術實現,成本低、可靠性高、可實現無功功率的無級調節、強力補償諧波電流和負序電流,降低線路損耗。Buyers and sellers of surplus pipe, valves, fittings, flanges, forged steel fittings, and instrumentation fittings
-製造閘閥截止閥止回閥球閥旋塞閥波紋管截止閥柱塞閥過濾器等高溫高壓閥門。With the strong dsp as the control unit, the design of main circuit structure is provided, and the control policy for the main circuit loop, the tuning of the triggering angle for thyristor are given
在具體的系統實現中,變換器主迴路選擇環流控制方式,採用高性能dsp作為模糊控制核心,通過加權平均判決的模糊決策演算法對變換器主迴路晶閘管的觸發角進行調制,從而有效控制輸出電壓波形。According to the test conditions, the double polarity inputting mode is adopted in the circuit of voltage - frequency converting part ; storage batteries are used in the optical emission part of optical fibre isolating and transmitting device, that can guarantee isolation between the main circuit and the testing system ; the 89c51 singlechip is used in the singlechip testing - controlling unit, the peripheral circuits are extended, data are transmitted through the serial port in this part ; the p opular software delphi5. 0 is used in the pc part, the communication between singlechip and pc by serial port, plotting of current wave, regulation of data ; the optical - electrical isolating and triggering are used in the controlling part, this can guarantee the veracity and reliability of breakers triggered, this triggering mode is also used in the triggering of the main closing breaker, the tested breaker and the assistant breaker, the triggering signals are sent out by a singlechip
壓頻轉換部分電路中根據實際情況採用了雙極性輸入方式;光纖隔離傳輸裝置的光發射部分電源採用了蓄電池供電,確保了主迴路與測試迴路的完全隔離;單片機測控部分採用了89c51單片機,擴充了外圍電路,通過串口向pc機傳送數據; pc機與單片機之間的串口通訊、波形繪制、數據管理等都採用了軟體delphi5 . 0編寫。該測試系統中預留了輸出口,可以對合成迴路中的主合閘開關、被試開關、輔助開關進行觸發,信號由單片機發出,控制部分採用了光電耦合隔離觸發的方法。軟體設計主要集中在對電流信號的數據採集、數據處理、數據傳送、人機界面、波形繪制和數據管理,軟體部分又可分為單片機和pc機程序設計兩大部分。With the conduction property of the triggered thyristor and the intellective numerical controlled frequency reduction of the triggering pulse by mpu, we can divide alternating current into several complete sinusoidal waves to supply some loads. it can be made as a controller or a pcb ware, which is suitable for the air conditioning, machine tool and various instruments that require electric power or rotate speed adjustment
利用晶閘管的觸發導通特性,用單片機對觸發信號進行智能數字降頻,可在交流電中切分出部分完整的正弦波形供負載使用,可以單獨做成一臺控制儀器或者作為一個控制電路板用於需要電功率和轉速調節的空調、機床以及各類儀器設備中。Application of active power filter in decreasing harmonics in phase - controlled power source
有源電力濾波器在抑制晶閘管相控整流電源諧波方面的應用After the analysis of power produce character of the typical three - phases unbalance load, the corresponding circuit is adopted. this main circuit is composed of the power filter series and tcr control circuit. secondly the theory of band - pass filter is analyzed in detail, and then a method of implementing butterworth band - pass filter is put forward
簡要分析了無功補償的基本原理和工作特點,通過對典型的三相不平衡負載工作特點的分析,主電路採用電力濾波器與晶閘管控制電抗器相接合的結構;對用於無功檢測的帶通濾波器進行了分析,設計了用於負載電壓、電流信號濾波的帶通濾波器,並採用運算放大器加以實現。We researched more than there energy - saving control techniques of electromotor such as follow compensation and star - trianular convert, thyristor regulating voltage, thyristor regulating voltage and filter, in the natural gas processing plants of middle of saertu carried through tests on air compressor sets, and made certain the optimized scheme of electricity - saving. 2
研究了跟蹤補償加星三角轉換、晶閘管調壓、晶閘管調壓加濾波等三種電動機的節能控制技術,在薩中天然氣處理廠對空壓機機組進行了測試,確定了最優的節電方案。分享友人