arc frequency 中文意思是什麼
arc frequency
解釋
弧流頻率-
Comparison between medium frequency coating and multi - arc coating
中頻鍍膜與多弧鍍膜效果的比較 -
Searching for a way to create an arc light for use on ac networks, tesla now found a new fundamental ideal on which to focus : high - frequency electrical phenomena
在特士拉想辦法讓電弧燈搭配ac電路使用時，發現了一個嶄新的基本想法並且專注其上，那便是高頻電流現象。 -
Multiple functions available ： start / crater arc current, increase / decrease time, base / crest value current, pulse frequency, pulse rate, post flow time, hf welding
功能豐富：起始/收弧電流、上升/下降時間、基值電流、峰直電流、脈沖頻率、占空比、滯后關氣時間分別可調，高頻引弧。 -
Multiple funcyions available : start / crater arc current, increase / decrease time, base, crest value current, pulse frequency, pulse rate, post flow time, hf / friction welding, water / gas cooling
功能豐富：起始/收弧電流、上升/下降時間、基值電流、峰值電流、脈沖頻率、占空比、滯后關氣時間分別可調，高頻/接觸引弧、水冷/氣冷可供選用。 -
Igbt power modules, 18khz inverter frequency, fast response time, high arc stability, almost spatter - free welding
採用igbt模塊，逆變頻率達18khz ，動態響應速度快、穩定性能好、焊接飛濺極小。 -
Transitional feature of the arc and metal droplet in the welding process with steam shielded arc is investigated by means of analysing the waveforms of welding voltage and current under different welding regimes and it is found that there are two types of arc process behavor ? " arc starting - arc blowing out - short - circuiting " and " arc - starting - short - circuiting ". under the condition of constant diameter of welding wire and its feeding speed, the arc process behavor can be changed by adjusting the inductance of welding circuit as well as the voltage of power supply. if arc process behaves as alternative process of " arc starting - arc blowing out - short - circuiting " with minimum time duration of arc blowing out and maximum frequency of short - circuit transition, the welding process will be stable with less spatter and smooth weld bead
通過分析不同焊接規范下的焊接電壓和電流的波形.研究了水蒸氣保護下電弧及熔滴過渡的特點，發現其電弧過程行為有「燃弧?熄弧?短路」和「燃弧?短路」兩種形式.在焊絲直徑和送絲速度一定的情況下，通過調節焊接迴路中的電感量和電源電壓，可以改變電弧的過程行為形式.若電弧過程呈「燃弧?熄弧?短路」交替進行，並且熄弧時間最短時，短路過渡頻率最高，在這種情況下，飛濺小，焊道成型好，焊接過程穩定 -
A novel current control mode pulse width modulation switched high frequency resonant arc igniting device is developed based on uc3842 and the principle is analyzed
摘要採用uc3842設計了電流控制型脈寬調制開關式高頻振蕩引弧器，並對其工作原理進行了分析。 -
Experimental results validated that this high performance arc igniting device developed provides with fast response and stable high frequency output voltage
試驗表明該開關式高頻振蕩引弧器控制系統具有頻響快、輸出高頻高壓穩定的特點，是一種性能較好的開關式高頻振蕩引弧器。 -
The variable polarity power supply circuit uses two stages full - bridge inverter, the former inverter is regarded as a constant - current source with fast dynamic response, and supplys energy for the second one, and the latter one is to produce variable polarity current excellently, and low - frequency pulse current by variable polarity power supply is used to reduce input energy and control the shape of weld bead while welding. a series of high - frequency pulse current is superposed on direct - current - electrode - negative ( dcen ) current through the high - frequency pulse power supply, which is used to compress the arc and improve process of crystallization
其中變極性電源採用二次全橋逆變結構，一次逆變提供快速的響應速率並給二次逆變提供能量，二次逆變提供良好的變極性性能，使輸出能量最優化，並用其低頻電流特性減小電弧線能量，控制焊縫成形;高頻脈沖電源提供的高頻電流疊加在反極性電流dcen上，利用電流的高頻特性壓縮電弧，改善焊縫金屬結晶過程。 -
In this thesis, a high - frequency variable polarity arc welding power supply was investigated, which consisted of two independent power sources, the variable polarity power supply and the high - frequency pulse one, having advantages both of them
本文針對鋁合金焊接研製了一種新型電源，所研究的高頻變極性弧焊電源採用雙電源結構，由變極性電源和高頻脈沖電源組成，綜合了兩者的優點。 -
By the test of three - dimensional distribution, form character, rotating frequency and magnetic field intensity of rotating magnetic field, it showed that the magnetic field produced is a highly rotating magnetic field and mainly distribute on welding arc region, rotating frequency and magnetic intensity can be regulated through excitation power source
通過對產生磁場的空間分佈，形態特徵，以及旋轉頻率和場強大小的測試證明該磁場是一個高速旋轉的磁場空間，而且磁場主要集中分佈在焊接電弧區域內，磁場的旋轉頻率和場強大小都可以通過勵磁電源進行良好調節。 -
There are arc - furnaces of all sizes, refiner furnace for casting steel in the forging workshops, and there are blast cupola and main frequency furnace for casting iron and copper
鑄鋼鑄造分廠有各種噸位大中小電弧爐鋼包外精煉爐鑄鐵，鑄銅有沖天爐工頻感應爐。 -
Design high frequency to increase voitage and pulse heat to strike arc, so with fine ability to start arc. so with fine ability to start arc. welding current is sufficient
採用高頻增壓引弧及脈沖熱引弧設計，起弧性能極佳，焊流電流充足，卓越的性能價格比。 -
The active power filter can compensate the harmonic of variety in magnitude and frequency. so we adopt active power filter to restrain harmonic of electric arc furnace, and a new method of detection adaptive electric arc furnace is presented, the result of simulation indicate that the method is proper
而有源濾波器能對大小和頻率都變化的諧波進行實時補償，所以本文研究了將有源濾波器用於電弧爐系統諧波抑制的方法，並提山了一種針對電弧爐系統的諧波檢測方法。 -
In order to design the parameter of error amplifier, the small signal model is derived for arc welding inverter using state - space averaging, and frequency - domain analysis is performed to complete the parameter design
為了設計控制系統中誤差放大器的參數，利用狀態空間平均法建立了電源系統的低頻小信號數學模型，進而利用控制理論中的頻域分析法設計了系統的補償網路，即誤差放大器的參數。 -
The relay ' s electric parameters guarantee it to work reliably. the time parameter is an important one of the electric parameters, which affects the relay ' s operation frequency and its arc and electric life
電氣參數是為保證繼電器在規定的條件下使用時可靠的工作，時間參數是電氣性能參數的一個重要參數，它的大小影響著繼電器的操作頻率，而且它直接影響繼電器的燃弧及觸點壽命。 -
Through studying the principle of dimmer and switch power supply, it was found that in some frequency points, by analyzing the phase of electric voltage and current it can tell if arc faults occur
研究調光燈及開關電源的工作原理可以發現，通過分析迴路中電壓電流在某些頻率點的相位信息，可以有效判別是否發生了故障電弧。 -
In recent years, current rectifiers, frequency converters, arc furnaces and other power electronic devices etc have been increasingly used in power network. with nonlinear, impactive, unbalanced characteristics, they generate lots of harmonics and cause distortion in power network current or voltage
近年來，配電網中整流器、變頻裝置、電弧爐以及其它電力電子設備等的應用不斷增加，由於這些負荷具有非線性、沖擊性和不平衡的用電特性，引起供電網中的電流（電壓）畸變，產生大量諧波。 -
As technique of power electronics develops, the load with nonlinear, impactive, unbalanced characteristics such as current rectifiers, frequency converters, arc furnaces have been increasingly used in power network in recent years. they generate lots of harmonics and cause distortion in power electrical network current ( voltage )
隨著電力電子技術的發展，近年來電網中象整流器、變頻器、電弧爐這樣具有非線性、沖擊性和不平衡用電特性的負荷不斷增加，引起供電網中的電流（電壓）畸變，產生大量諧波。 -
The high - frequency arc represents bulk properties of the sample. the straight line is characteristic of diffusional processes at the sample - electrode interface
復阻抗平面上出現了反映樣品本身性質的阻抗弧和反映樣品與電極之間擴散的直線。
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