电压

But this also with the voltage grid voltage fluctuations (generally plus or minus 10% fluctuation) load and temperature change.

但这样的电压还随电网电压波动（一般在正负10％左右的波动），负载和温度的变化而变化。

According to the different grid voltage in many countries, a novel multiple output grid-connected inverter is proposed based on DSP control.

针对世界各国电网电压规格种类较多的情况，提出一种基于DSP控制的可输出多个国家电网电压规格的并网逆变器。

With the development of the power network and voltage stability issues become increasingly prominent, large grid voltage / reactive power coordination and control of a higher demand.

需要的请加QQ：358992503，价格：80摘要：随着电力网络的发展和电压稳定问题的日益突出，对大电网电压/无功的协调控制提出了更高的要求。

Besides, in order to eliminate the effect of grid voltage distortion or disturbance on output current, decoupling control is employed to further improve the quality of output current.

此外，为了消除电网电压畸变或扰动对逆变器输出电流的影响，系统中引入了电网电压前馈解耦控制，改善了系统输出电流的质量。

Voltage control and reactive power optimization are effective means to increase rate of qualified voltage, reduce grid losses, and improve the system stability.

摘 要：电网的电压控制和无功优化是提高电压合格率，降低网损，提高系统稳定性的有效手段。

The filter only needs to detect the three-phase electrical power's current, load voltage and DC voltage. It eliminates the multipliers, the calculating of harmonicas and the reactive current.

该滤波器只需检测三相电网电流、负载电压和直流侧电容电压，不需要乘法器，省去了谐波和无功电流的计算。

To obtain lower voltage (400kV) and higher current density (143A.cm-2) for the optical aperture (φ12cm) and required laser output energy (40J) the diode separator structure in the vacuum side, electrode form, length of drift space, Hibachi open area, etc. are considered.

针对低电压(400kV)和高电流密度(143Acm－2)，重点考虑了二极管真空绝缘界面、电极结构、漂移区长度和主膜支撑等问题并介绍了实验结果：二极管电压在 450 kV以上仍能稳定工作，电流上升前沿约20ns，电子束总束能4.2kJ以上。

Research in this paper shows that the pressure range which produces pseudospark discharge is from 4Pa to 29Pa, the gap distance and pressure are the most important factors which influence the hold-off voltage of the PSS.

在伪火花放电的气压范围内，耐受电压随气体压力的降低而升高；在气体压力一定的情况下，耐受电压随电极间距的增加而降低。

The transfer function of the LLC resonant converter can be obtained by using the circuit impedance, ratio of resonant inductance, and quality factor.

其后级之半桥LLC谐振式转换器藉由推导电路阻抗、谐振电感比例值与品质因数得到转移函数，以及利用适当的谐振电路的设计与切换频率的调变的方式达到输出电压稳定，并且令功率开关具有零电压切换之功用，以降低功率开关的切换损失。

The furnace body's ф2200×1500 outer covering main body is made of 12mm steel plate,installed sensor in the lower part 45°of furnace body, the sensor is weight 2 ton induction iron cores made from top gear's W-151 the cold rolling 0.35m/m made by Wuhan Steel Silicon steel plate Factory, primary manufactured the water cooling coil from 10×10×2 copper pipe, and installed stainless steelwater cooling cover, the power Frequency Induction melting Furnace 's metal melting fluid namely the sensor sencondary loop, the entire electric furnace is a transformer actually, match a 6 grades self regulating transformer, shift gears by the electric tank control, the voltage may from low to high,divide 6 grade to rise to 380V, each grade of voltage is different, the output power is also different, the furnace temperature is also different along with different grade,so can suit smelting colored or black and so on different melting point metals, and may use as new furnace lining fireproof to smeltdiamantine drying furnace.

炉体由12mm钢板制成Ф2200×1500外壳主体，炉体下部45°安装有感应器，感应器由武钢硅钢片厂生产的最高档的W-151冷轧0.35m/m取向硅钢片制成重2吨感应铁心，初级由10×10×2铜管制成水冷线圈，并安装不锈钢水冷保护套，工频有芯熔炼炉的金属熔液即为感应器的次级线圈，整个电炉实际就是一个变压器，配套一台6档的自耦调压变压器，由电柜控制换档，电压可由低到高，分6级升到380V，每档电压不同，输出功率也不同，炉温也随档位不同而高低不同，以适应熔炼有色或黑色等熔点不同的金属，并可作新炉衬耐火冶金砂烘炉之用。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。