Three wind turbines erected here, on the second-most- populous island, in 2007 should meet half of San Cristóbal's total power needs this year (and up to 90 percent when the wind is high).
2007年,三个风力涡轮机竖立在人口第二密集的岛屿,今年应该能满足圣克里斯托瓦总电力需求的一半(当风力高的时候能满足90%的电力需求)。
Among the three-phase power-factor correction circuits, the full decoupling circuit is especially suitable for high power fields because of its high input power and good electrical performance.
在三相功率因数校正电路中,全解耦型电路由于其输入功率大,电气性能较好等优势特别适用于大功率场合。
The DC bus voltage and the power factor of the PWM rectifier are regulated by three nonlinear PI controllers with high performance.
采用双环结构,用三个非线性PI环节实现了对整流器直流电压与功率因数的高性能控制。
Adverse effects of switching losses which operating at high frequency are analyzed at the beginning of a three-level matrix power converter configuration.
从三电平矩阵式电力变换器的拓扑结构入手,分析在高频下工作时开关损耗带来的负面效应。
A correct method for measuring the fundament component of power in a high distorted three phases system is described, Its cost is rather low.
描述了一种在三相波形高度畸变的系统中可正确测量基波功率的方法。
A type of variable subdivision high performance driving power supply for stepmotor has been presented in the paper which is used to drive three-phase reaction stepmotor.
提出了一种可变细分的高性能步进电动机驱动电源,该电源用于驱动三相反应式步进电动机。
A novel wide-angle three-branch optical waveguide with equal power division is proposed, which contains three high-index microprisms.
本文提出了一种新型的宽角度等功率分配三分支波导结构,此结构包含三个高折射率微棱镜。
It is necessary to design the monitoring system of high-power three-phase inverter to improve its levels of safety, reliability, control and automation.
为了提高大功率三相逆变电源系统运行的安全性、可靠性、可控性和自动化程度,设计其监控系统是必要的。
A zero-voltage-switching (ZVS) three-level auxiliary resonant commutated pole inverter (ARCPI) is presented for high power GTO ones.
对于大功率的GTO逆变器,提出了一种零电压转换(ZVS)的三电平辅助谐振变换极逆变器(ARCPI)。
High performance can be obtained for the integrated power electronics module (IPEM) by using a three-dimensional packaging structure instead of a planar structure.
采用三维封装结构取代传统的平面封装结构可获得高性能集成电力电子模块。
Results AFM could not only identify the exact sites of break-point, but also display the three-dimensional structures of hot damage points by high resolving power.
结果对易位畸变的AF M分析,不仅准确地判定断裂点的确切部位,还提供了损伤热点的高分辨三维结构。
A type of variable subdivision high performance driving power supply for stepper motor has been presented in the paper which is used to drive three-phase reaction stepper motor.
提出了一种可变细分的高性能步进电机驱动电源,该电源用于驱动三相反应式步进电机。
For high power system, every switch of three-phase inverter is actually made up of four MOSFETs in Parallel.
考虑到系统功率较大,三相桥式功率变换器的每个开关器件均采用四个MOS管并联的结构。
Experimental results show that three-phase PWM converters are advantageous in high power factor, small input-line current harmonic distortion and bi-directional power flow.
实验表明,作为双馈感应发电机转子励磁电源的三相pwm变换器具有功率因数高、网侧电流谐波小、能量双向流等优点。
In order to solve the requirement of high precision equal phase in three-phase AC power supply, one AC power supply is designed based the traditional DDS technology.
针对某设备所需的三相电源相位精度要求高的特点,在传统DDS技术的基础之上,设计了一款高度对称的三相电源。
We also experimentally demonstrate a novel three-stage erbium-doped fiber amplifier with high gain, low noise figure, and high output power.
研究了新型的三段级联泵浦优配的掺铒光纤放大器的优化光路结构,得到高增益,低噪声,大输出功率的掺铒光纤放大器;
High brightness, bright hue, high sharpness and low power loss etc are the merits of the three primary lasers from all solid-state laser.
三基色激光显示具有亮度高、色彩鲜艳、清晰度高、功耗低等优点。
Set up the circuit design criterion for the steady - stage deadbeat control to the line current of a three - phase high-power-factor rectifier based on voltage space-vector PWM.
建立了对基于电压空间矢量pwm的三相高功率因数整流器实现电流稳态无差拍控制的设计准则。
A high-power hand-operated three-phase AC generator includes a handle, a handle fixed plate, a driven gear, a press mounting gear, and a generator box body.
一种大功率手摇三相交流发电机,其包括一手把、一手把固定板、一从动齿轮、一压装齿轮、一发电机箱体。
A three phase half controlled bridge circuit with constant current and high efficiency is designed in the charged loop of the welding power supply. So a limiting current resistance is canceled.
在焊接电源的充电回路中设计了三相桥式半控、恒流高效充电回路,取消了限流电阻;
To realize safe, high efficient, economic operation of power grid, it is important to detect three phase electrical parameter and real-time monitor operating condition of power grid.
检测三相电力参数、实时监控电网运行状态对实现电网安全、高效、经济运行非常重要。
Nearly half the world's population, rely on very low energy efficiency, high power indoor stove for cooking three meals a day.
世界上有近一半的人口,依赖能效极低、能耗极高的室内炉灶来烹饪三餐。
This modulation control method applies modern heuristic optimization technique to generate PWM signals which can achieve harmonic optimization of three phase high power PWM converters.
这种调制方法使用基于人工智能优化算法产生脉冲信号的调制方法,对大功率三相PWM变换器进行谐波优化。
The experiment result verifies the feasibility of voltage waveform control and parallel control scheme of high power three phase inverter.
实验结果进一步验证了大功率三相逆变器的波形控制和并联控制策略有效可行性。
Because the bank adopts late-model components, high power density, it has not red-hot phenomena. It is pure resistive load and three-phase current balance.
本机采用新型功耗组件,功率密度高,无红热现象,为纯阻性负载,三相电流平衡。
The HL-2A tokamak power supply is presented. Three flywheel motor-generator (MG) sets with several converters and high voltage power supplies are used for the magnetic coils and the auxiliary heating.
描述了HL - 2 A装置供电系统,该系统主要由三套飞轮脉冲发电机组、磁场电源系统和辅助加热高压电源系统组成。
Modern horizontal axis wind turbines of the "high-speed" type, as used in large scale power generation, typically include two or three propeller-style blades with a diameter of 100 meters or more.
“高速”型的现代水平轴风力涡轮机,如用于大规模发电的那种,一般包括两个或三个直径为100米或更大的螺旋桨式叶片。
The three-phase short circuit currents of bulk electric power system are very high, and the high currents do harm to the working of the system.
针对三相短路电流产生的电动力进行分析,经过受力分析,瞬间较高的电动力对户外柱上真空断路器的影响很大。
The three-phase AC self-regulating speed motor do not use high-power electron device, has non exterior additional speed-regulating equipment and does not bring pollution.
三相交流自调速电动机不使用大功率电子器件,也没有外部附加的调速设备,不产生污染电网的谐波。
The three-phase AC self-regulating speed motor do not use high-power electron device, has non exterior additional speed-regulating equipment and does not bring pollution.
三相交流自调速电动机不使用大功率电子器件,也没有外部附加的调速设备,不产生污染电网的谐波。
应用推荐