2、

Thermal power enterprise energy consumption greatly, but as a basis for the protection of national economic construction, they can not limit their output.

火力发电企业能源消耗量极大,但作为保障国家经济建设的基础,又无法限制其产出。

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3、

But beam quality of slow axis is easily affected by space burned hole, self-focusing and thermal lens effect, which lead to big slow axis divergent angle under high output power.

然而由于其慢轴方向输出光束质量极易受到空间烧孔、自聚焦、热透镜等效应的影响,致使其在高功率工作条件下,输出的慢轴方向发散角较大。

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4、

The reactor thermal output is 4 250 MW, and average linear power density is 179.5 W/ cm.

反应堆热功率输出为4250MW,平均线功率密度为179.5W/cm。

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5、

Chemically recuperated gas turbine ( CRGT) can make full use of the exhaust heat to enhance the thermal efficiency and output power, reduce the emission of exhaust gas NOx and get high-quality pyrolysis fuel.

化学回热循环燃气轮机可以充分利用排气余热来提高循环热效率和输出功率,减少NOx排放。

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6、

Considering the high-power diode-end-pumped Tm: YLF laser, the effect of the thermal lensing on the output beam quality is un-negligible.

考虑到大功率二极管激光器端面泵浦条件下,激光晶体的热透镜效应不应被忽略。

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7、

Based on the rate equations of Optically Pumped Semiconductor Vertical-External-Cavity Surface-Emitting Lasers ( OPS-VECSEL), the expression of output power was deducted and modified in this paper. The impact of thermal effects on the output power was discussed.

本文从光泵浦垂直外腔面发射半导体激光器(OPS-VECSEL)的速率方程组出发,对输出功率的表达式进行了推导和修正,讨论了热效应对输出功率的影响。

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8、

The experiment shows that the higher the pump power is, the smaller the thermal focal length is, and the worse the thermal effect influent the output beam quality.

实验结果表明,抽运功率越高,热焦距越小,热效应对输出光束质量影响越严重。

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10、

An Ericsson cycle model under the influence of thermal resistance and regeneration loss is established and a basic optimization relation of the cycle deduced, using output power as a target function.

建立受热阻和回热损失影响的埃里克森循环模型,以输出功率为目标函数,导出循环的基本优化关系式。

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11、

The dependence of thermal resistance, emitting wavelength, FWHM, and output power on active diameters and injection current was studied.

研究了热阻、发射波长、光谱半高宽、光输出功率随有源区直径和注入电流的关系。

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12、

However, Due to the limitations of the single-stage converter, when the bus voltage is high and wide input voltage range, the single-stage converter is not suitable for multi-output low power switching power supply.

但是由于单级变换器自身的局限性,当电源母线电压宽输入范围时,单级变换器并不适合用作多路输出小功率开关电源的主功率拓扑。

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13、

With only one set of control system, single-stage PFC converter can realize the input current shaping and the fast regulation of output voltage. It especially fits low-power occasion well because of the advantage of simple structure and low cost.

单级PFC变换器仅用一套控制电路,同时实现输入电流整形和输出电压快速调节,具有结构简单、成本低等优点,特别适合小功率场合的应用。

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14、

The increase of the LED power have higher requirement for the drive current of the driver chip and the stability of the output current. A type of wide input range high power LED driver chip was designed in this thesis.

但LED功率的提升,给驱动芯片的驱动能力和输出电流的稳定性控制提出了更高的要求。针对大功率LED的特点,本文设计一款宽输入电压范围的大功率LED驱动芯片。

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15、

The simulation results show that the output voltage can be high to 13V over an input range of 2.5V~ 5.5V, the efficiency could be 87%. The circuit also has simple architecture, high accurate output and low power loss.

仿真结果表明,该芯片在2.5V~5.5V的输入电压范围内可以实现典型的13V输出电压,转换效率最高可达87%,具有实现电路简单、输出电压精度高、功耗低等优点。

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16、

Major problems in the experiment procedure, such as circuit debug method, bottleneck of output signal bandwidth, power consumption and future works, are also discussed.

最后对实验过程中的电路调试方法,电路频谱宽度的瓶颈问题,电路功耗问题以及进一步的工作进行了讨论。

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17、

The portable electric point switch tester is one test equipment that is specially used to test the electric point switch on the spot, the measuring objects are the output power and the electric machine current in the working process of the electric point switch.

便携式电动转辙机测试仪是一种专门用来在现场对电动转辙机进行检测的测试设备,其测量对象为电动转辙机动作过程中的输出力和电机电流。

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18、

Based on solving laser single-mode rate equation numerically, the facts are given that optical gain and output saturation power are changing due to the variation of optical pump power or output mirror reflectivity.

通过数值求解激光器单模速率方程,给出了增益、饱和输出功率随泵浦光功率、出射腔面反射率的变化,分析了其功率动态范围。

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19、

CNC machine tools demands the spindle motor output larger torque at low speed and have wide constant power speed range at high speed.

数控机床要求主轴电机能在低速时输出较大转矩,高速时有宽广的恒功率调速范围。

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20、

Application of Microcomputer to Unit-output Power Consumption Test System for Spinning-frame

微型机在细纱机单产耗电测试系统中的应用

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