查询词典 power grid

Based on the physical model of PV array, a simulation model is designed in the PSIM environment, including the simulation arithmetic of Maximum Power Point Tracking.It is used for a single-phase grid-connected photovoltaic system.

基于光伏矩阵的物理特性，在PSIM仿真环境下，设计带有最大功率跟踪技术仿真算法的光伏矩阵仿真模型，应用于实际的单相光伏并网系统。

This reactive power is exchanged with the grid to control the system voltage.

通过无功功率的调节达到控制系统电压的目的。

The experimental results indicate that the crest factor of the lamp current is 1.41 when the output power of the fluorescent lamp is 36 W. The power factor is 0.99 and the efficiency of the ballast is 91% when the system is in utility grid-connected.

由实验结果显示，当萤光灯输出36W时，灯管电流峰值因数约1.41；执行市电并联时，市电侧之功率因数约0.99，整体电路之效率约91%。

Currently, it has three major product lines : for various switching power supply UPS and generators aging / test power-saving electronic feedback load; for solar and wind energy to generate electricity grid inverter; for battery production / test saving battery charging and discharging equipment.

目前已形成三大产品系列：用于各种开关电源、UPS及发电机老化/测试的电能回馈型节能电子负载；用于太阳能及风能发电的并网逆变器；用于蓄电池生产/测试的节能型蓄电池充放电设备。

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。

The distributed power plant 's power conditioner system adopts an on-grid inverter to convert DC to AC and putout .

分布式电站的功率调节系统采用并网逆变器进行直流/交流电转换输出，其核心处理器是定点型DSP器件。

the distributed power plant's power conditioner system adopts an on-grid inverter to convert dc to ac and putout. and its cpu is a fixed-point dsp.

分布式电站的功率调节系统采用并网逆变器进行直流/交流电转换输出，其核心处理器是定点型dsp器件。

As a clean, plentiful energy source, that minimizes our reliance on fossil fuels, wind power has a great deal of potential: studies show that with the advent of a national grid, wind power could come to supply one-third of American electricity needs.

风力发电有极大的发展潜力，它是一种乾净、源源不绝的能量来源，而且能够使我们对石油的依赖减到最小。研究显示，随著全国性电网格的架设，风力发电可满足美国1/3的电力需求。

To solve the above problems, a novel resonance injection type hybrid active power filter is presented, it allows the energy exchange between the DC-side capacitor and grid, DC-side voltage will be stabilized after the proposed control method base on the regulation of reactive current is adapted. On the other hand, a new current control method is proposed which is based on the control of error between injection current and harmonic current compensated by passive power filter using recursive PI.

在此基础上结合提出的基于基波无功电流闭环调节的直流侧电压控制方法，保证了直流侧电压的稳定；提出了采用递推积分将无源滤波器作用后电网谐波电流与注入支路补偿电流进行闭环比较控制以获得参考电流的方法，减小了误差，提高了系统的控制精度。

Our product family include the high power led units, led spotlights, grid lamp, street light, led downlight and Led grow light etc.For the time being , we cooperate with some Agricultural Universities and developed several items of high power LED Grow lights, they are very nice replacement for the HPS and MH lights.

公司产品包括照明灯系列，路灯系列和植物灯系列，广泛应用于机场、车站、商场、酒店、舞厅、饭店、家庭、橱窗等室内照明、装饰；公路、街道、庭院等室外照明；农场、植物培育室、种植大棚等植物生长照明，促进植物生长、延长花期及使果实增产。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。