本文關(guān)鍵詞：海拔對電力機(jī)車電氣設(shè)備的影響，，由筆耕文化傳播整理發(fā)布。

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鐵路運(yùn)輸

電力工業(yè)

水利水電工程

自動化技術(shù)

機(jī)械工業(yè)

公路與水路運(yùn)輸

動力工程

金屬學(xué)及金屬工藝

汽車工業(yè)

temperature-rise

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    Calculation of ventilation and temperature-rise for brake resistance

    制動電阻通風(fēng)及溫升計算探討

短句來源

    The Emulation Research of Energy-Recycle Temperature-Rise Experiment Platform of AC Driver Induction Traction Motor

    交流傳動異步牽引電機(jī)能量反饋型溫升試驗臺仿真研究

短句來源

    With quantitative calculation of ventilation and temperature-rise for locomotive brake resistance,this paper estimates the rationality of matching of ventilator and ventilation system of locomotive brake resistance,and the reliability of brake resistance ribbon,to optimize the design of locomotive brake resistance.

    對機(jī)車制動電阻通風(fēng)和電阻帶溫升進(jìn)行定量計算,從而判斷通風(fēng)機(jī)和制動電阻通風(fēng)系統(tǒng)匹配的合理性和電阻帶工作的可靠性,對制動電阻優(yōu)化設(shè)計具有一定的指導(dǎo)意義。

短句來源

    Introduced in this paper are the concrete methods and notices of traction motor temperature-rise test,which in cludes continuous temperature-rise test and hour temperature-rise test.

    牽引電機(jī)溫升試驗包括持續(xù)溫升試驗及小時溫升試驗兩種,文章介紹了其具體實(shí)施方法和技巧,以及實(shí)驗時應(yīng)注意的事項。

短句來源

    The article describes the influence of altitude on electric equipments of electric locomotive from dielectric strength of clearances,external-insulationstrength,temperature-rise,time of air compressor working,performance and life, and so on. It mentions what we should do for the locomotives running on high altitude area.

    從電氣間隙的介電強(qiáng)度和外絕緣強(qiáng)度、電氣設(shè)備的溫升、空氣壓縮機(jī)的打風(fēng)時間、電氣設(shè)備的性能和壽命等方面闡述了不同海拔對電力機(jī)車電氣設(shè)備的影響,并提出了高海拔地區(qū)電力機(jī)車應(yīng)采取的措施。

短句來源

更多       

    Calculation of ventilation and temperature-rise for brake resistance

    制動電阻通風(fēng)及溫升計算探討

短句來源

    The Emulation Research of Energy-Recycle Temperature-Rise Experiment Platform of AC Driver Induction Traction Motor

    交流傳動異步牽引電機(jī)能量反饋型溫升試驗臺仿真研究

短句來源

    With quantitative calculation of ventilation and temperature-rise for locomotive brake resistance,this paper estimates the rationality of matching of ventilator and ventilation system of locomotive brake resistance,and the reliability of brake resistance ribbon,to optimize the design of locomotive brake resistance.

    對機(jī)車制動電阻通風(fēng)和電阻帶溫升進(jìn)行定量計算,從而判斷通風(fēng)機(jī)和制動電阻通風(fēng)系統(tǒng)匹配的合理性和電阻帶工作的可靠性,對制動電阻優(yōu)化設(shè)計具有一定的指導(dǎo)意義。

短句來源

    Introduced in this paper are the concrete methods and notices of traction motor temperature-rise test,which in cludes continuous temperature-rise test and hour temperature-rise test.

    牽引電機(jī)溫升試驗包括持續(xù)溫升試驗及小時溫升試驗兩種,文章介紹了其具體實(shí)施方法和技巧,以及實(shí)驗時應(yīng)注意的事項。

短句來源

    The article describes the influence of altitude on electric equipments of electric locomotive from dielectric strength of clearances,external-insulationstrength,temperature-rise,time of air compressor working,performance and life, and so on. It mentions what we should do for the locomotives running on high altitude area.

    從電氣間隙的介電強(qiáng)度和外絕緣強(qiáng)度、電氣設(shè)備的溫升、空氣壓縮機(jī)的打風(fēng)時間、電氣設(shè)備的性能和壽命等方面闡述了不同海拔對電力機(jī)車電氣設(shè)備的影響,并提出了高海拔地區(qū)電力機(jī)車應(yīng)采取的措施。

短句來源

更多       

    Temperature-rise Letdown by Moving the Heat Source Outwards

    熱源外移法降溫升

短句來源

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  temperature-rise

An analytical solution for the temperature-rise distribution in arc welding of short workpieces is developed based on the classical Jaeger's moving heat-source theory to predict the transient thermal response.

In isoperibol temperature-rise calorimetry, different approaches can lead to the corrected temperature rise.

However, only colchicine prevented temperature-rise in the inflamed area.

From the resulting inflammation two parameters were recorded simultaneously: temperature-rise in the inflamed tissue and nociception, a correlate of pain.

From the resulting inflammation two parameters were recorded simultaneously: temperature-rise in the inflamed tissue and nociception, a correlate of pain.

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This paper reviews the development of theories to predict the stability ofcontinuous welded rail in hot weather and describes the most recently develo-ped method of calculating the maximum safe temperature rise of the railabove the force free temperature. Recent experiments on a full scale test trackhave been used to check this theory. A traffic induced mechanism is describedwhich can lead to the growth of track misalignments and eventual buckling.Factors which can affect the longitudinal force in the rail such...

This paper reviews the development of theories to predict the stability ofcontinuous welded rail in hot weather and describes the most recently develo-ped method of calculating the maximum safe temperature rise of the railabove the force free temperature. Recent experiments on a full scale test trackhave been used to check this theory. A traffic induced mechanism is describedwhich can lead to the growth of track misalignments and eventual buckling.Factors which can affect the longitudinal force in the rail such as rollingout and creep are described.

本文評論熱天無縫線路穩(wěn)定性理論推導(dǎo)的發(fā)展及論述在鎖定軌溫以上時,計算鋼軌最大安全升溫值的最新方法。最近在實(shí)際線路上做的試驗已用來檢驗此理論。描述了一種類似行車情況的機(jī)械裝置,它能導(dǎo)致擴(kuò)大線路方向偏差及最后發(fā)生臌曲。也描述了鋼軌輾長及爬行等因素對鋼軌縱向力的影響。

The paper presents the experiments sponsored by the Railway Engineering Research Institute of the Academy at the loop testing track on the subject of stability of continuous welded rail track under the combined action of temperature force and moving train. The characteristic curve showing the course of bouncing on track buckling was obtained. The floating portion of the track between the two bogies of a freight ear was modelled for the measurement of the lateral ballast resistance and the accumulated la-teral...

The paper presents the experiments sponsored by the Railway Engineering Research Institute of the Academy at the loop testing track on the subject of stability of continuous welded rail track under the combined action of temperature force and moving train. The characteristic curve showing the course of bouncing on track buckling was obtained. The floating portion of the track between the two bogies of a freight ear was modelled for the measurement of the lateral ballast resistance and the accumulated la-teral displacement at the misaligned track portion due to day and night temperature fluctuation was also measured. By computation with the test data, a table of temperature rise allowance ensuring stability of CWR track was compiled. The table will be useful for safe upkeep of CWR track in China.

本文介紹鐵道部科學(xué)研究院鐵建所在環(huán)形試驗基地,進(jìn)行溫度力和列車動載共同作用下穩(wěn)定性試驗,這一試驗獲得了描述無縫線路產(chǎn)生“彈動”現(xiàn)象的失穩(wěn)過程特征曲線。試驗?zāi)M車輛轉(zhuǎn)向架之間軌排浮起,測定了道床橫向阻力以及軌溫晝夜變化,無縫線路在具有初始彎曲的地方所產(chǎn)生的橫向累積變形,運(yùn)用試驗資料,進(jìn)行計算,編制我國無縫線路穩(wěn)定性允許溫差表,供推廣應(yīng)用。

Based on the analysis of the present situation of the ZQ800-1 pulsating current traction motor on SS3 electric locomotive, effective measures have been taken to improve on it according to the requirements on the new SS6 electric locomotive to increase the continuous power of the traction motor to 800 kW and the constant power speed ratio to over 1.6. Test results show that when the contin uous power is increased, satisfactory results have been acquired for temperature rise, commutating performances, constant...

Based on the analysis of the present situation of the ZQ800-1 pulsating current traction motor on SS3 electric locomotive, effective measures have been taken to improve on it according to the requirements on the new SS6 electric locomotive to increase the continuous power of the traction motor to 800 kW and the constant power speed ratio to over 1.6. Test results show that when the contin uous power is increased, satisfactory results have been acquired for temperature rise, commutating performances, constant power speed ratio and power utilization coefficient at maximum speed. etc.

本文從分析SS3機(jī)車ZQ800-1脈流牽引電動機(jī)的現(xiàn)狀出發(fā),按SS6新型機(jī)車提出的增大牽引電動機(jī)持續(xù)功率至800kW和恒功率速度比在1.6以上的要求,對其采取了行之有效的改進(jìn)措施,試驗結(jié)果表明,在持續(xù)功率增加后,其溫升、換向性能、恒功率速度比和最高速時的功率利用系數(shù)等均得到了滿意的效果。

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  本文關(guān)鍵詞：海拔對電力機(jī)車電氣設(shè)備的影響，由筆耕文化傳播整理發(fā)布。