查询词典 instantaneous current

Harmonic current; reactive current; instantaneous reactive power theory; matlab simulation

谐波电流；无功电流；瞬时无功功率理论；Matlab仿真

The relationship between the instantaneous value of measured current and the temperature rise was deduced,and the mathematical model of the current transformer was established.

论文中推导了被测电流瞬时值与温升的关系，得到光纤电流互感器的数学模型，利用这一模型，理论上证明了传感器温度输出能准确跟随电流瞬时幅值的变化，量值上有确定关系，能够用来测量电流瞬时值的绝对值。

Based on the instantaneous output voltage and filter inductor current double closed loop feedback control and through sharing the same voltage regulator, the current sharing is achieved.

基于主从控制的逆变器并联系统由3个采用输出电压瞬时值和滤波电感电流瞬时值双闭环反馈控制的逆变器模块构成，通过共用电压调节器实现负载均分。

The result indicates that the harmonic detection means based on instantaneous reactive power theory can detect harmonic and reactive component in three-phase current precisely and real-time, to supply reliable harmonic and reactive current for harmonic restraint and reactive power compensation.

仿真结果表明：基于瞬时无功功率理论谐波检测方法可以准确、实时地检测出三相电流中的谐波电流及无功电流，可为抑制谐波和无功补偿提供可靠的谐波及无功电流分量。

The result indicate that: the electrodeposition of zinc on nickel and tungsten substrates involves instantaneous three-dimensional nucleation. The coating is the best when the current density is 4mA/cm2 and the temperature is 80 ℃. The coating by the method of the impulse electrodeposition is better than the direct current electrodeposition. Especially when f is 100Hz, ton/toff is 2/8 and J is 8mA/cm2, the coating is clean and uniformity. The crystal size is nearly 0.3μ m .

结果表明：阴极反应为准可逆反应，锌离子在镍电极和钨电极上形核是三维瞬时形核半球形扩散长大过程，直流电流密度为4mA/cm2，温度为80 ℃时，镀层质量最好；脉冲电沉积得到的镀层要优于直流电沉积得到的镀层，尤其在脉冲宽度为2ms，脉冲间隔为8ms，电流密度为8mA/cm2时，得到的镀层光滑而均匀，颗粒大小接近0.3μm。

Then, aiming at harmonic current problem of single-phase circuit, I predigest the triphase instantaneous harmonic and reactive power theory to be used in detecting harmonic current of single-phase circuit.

然后，针对单相电路中的谐波电流问题，对三相的瞬时无功功率理论进行简化，使其应用于单相的谐波电流检测当中。

When sending an even electric current down the plate vertical to the crack line, the electric current was detoured near the crack tips for the existing of cracks and Joule heats was produced. The instantaneous high temperature formed the point heat source.

在通入垂直于裂纹的均匀电流作用下，由于裂纹的存在，裂纹尖端出现绕流现象，产生焦耳热，瞬时高温形成点热源。

Excess current of transformer tap changing winding is limited by controlling the switching of mutual repulsive thyristors at the instantaneous of current passing zero.

1引言有载调压变压器是电力系统最重要的调压设备，在系统运行中可以自动调节变比，维持负荷区域内的电压水平。

Ground parts: an overhead-type indicator by sampling ground capacitance transient current in the first half-wave and ground transient voltage in the first half-wave, to compare their phase, when the sampling ground capacitance transient current mutation and more than a certain value, and the instantaneous voltage and grounding The first-phase half-wave, while wire-to-ground voltage is reduced, then the judge circuit grounding occurred.

接地部分：架空型指示器通过采样接地瞬间的电容电流首半波与接地瞬间的电压首半波，比较其相位，当采样接地瞬间的电容电流突变且大于一定数值，并且与接地瞬间的电压首半波同相，同时导线对地电压降低，则判断线路发生接地。

COMPOSITE CORPORATION Balance Sheet 20X1- 20X2 (in $ millions) Assets Current assets: Cash and equivalents Accounts receivable Inventories Other Total current assets 20X2 $140 294 269 58 $761 20X1 $107 270 280 50 $707 Liabilities and Stockholder's Equity Current Liabilities: Accounts payable Notes payable Accrued expenses Total current liabilities 20X2 20X1 Fixed assets: Property, plant, and equipment $1,423 $1,274 -550 -460 Less accumulated depreciation Net property, plant, and equipment 873 814 Intangible assets and other 245 221 Total fixed assets $1,118 $1,035 $213 $197 The assets are listed in order 50 53 by the length of time it223 205 normally would take a$486 $455 firm Long-term liabilities: with ongoing operations to $104 Deferred taxes $117 Long-term debt 458 convert them into cash.471 $562 Total long-term liabilities $588 Stockholder's equity: Preferred stock $39 $39 Common stock ($1 per value) 55 32 Capital surplus 347 327 Accumulated retained earnings 390 347 Less treasury stock -26 -20 Total equity $805 $725 Total liabilities and stockholder's equity $1,879 $1,742 Clearly, cash is much more liquid than property, plant and equipment.

Total assets $1，879 $1，742 美国联合公司的资产负债表美国联合公司资产负债表 20X2 和20X1 (单位：百万单位：单位百万)资产流动资产：现金及现金等价物应收帐款存货其它流动资产合计固定资产：财产，厂房和设备减：累计折旧财产，厂房及设备净值无形资产及其它资产固定资产合计 20X2 $140 294 269 58 $761 20X1 $107 270 280 50 $707 债务负债债务和股东权益债务流动负债： 20X2 20X1 资产排列的顺序是根据在通$213 $197 应付帐款 50 53 应付票据常情况下企业持续经营将资205 223 应计费用$486 $455 流动负债合计产转化为现金所需要的时间长期负债：长度。长度。显然，现金比财产，厂房，显然，现金比财产，厂房，设备等的流动性要强得多。设备等的流动性要强得多。

Summary In copyright infringement cases,if the alleged infringer uses or even plagiarizes the copyrighted works or parts thereof,which causes no substantially adverse effect on the normal exploitation of the work,nor does it inflict any substantial damages to the right owner,the de minis doctrine should be applied to exempt the liabilities of the defendant and seek the balance of interests between the right owner and the general public embodied by the copyright law.

在侵犯著作权案件中，如果被控侵权行为人虽未经著作权人的同意，使用甚至抄袭了受著作权保护的作品或作品的片段，但若情节轻微，未对该作品的正常使用产生任何实质不利的影响，亦未对权利人的权利造成实质性的损害，则应适用&不计琐细原则&，免除行为人的责任，以寻求在权利人利益与著作权法所体现的社会公共利益之间的平衡。

This new product will become our best seller.

这个新产品会成为我们最畅销的产品。