1) apparent sound power level
视在声功率级
2) Apparent Sound Power
视在声功率
3) apparent power
视在功率
1.
On apparent power of unbalanced non-sinusoidal electric power system;
非正弦非平衡电力系统视在功率研究
2.
A new method to calculate apparent power in unbalanced three phase system;
一种计算三相不对称系统视在功率的新方法——BG法
3.
To the literature [1],the equivalent capacity law that China put forward has been used and found its existing problem actually,thus put forward a kind of more feasible equivalent ca- pacity law,that is to say that obtains the equivalent capacity of light power with the aid of the apparent power,indicate after employing in the real electric wire netting:This kind of method is simple,effec- tive an.
对文献【1】中提出的等效容量法在实际进行了运用并发现其存在的问题,从而又提出了一种更为切实可行的等效容量法,也就是借助于视在功率来获得小电源的等效容量,在实际电网中进行应用后表明:这种方法简单、有效、可行,不会出现有偏差的等效容量和线损率。
4) Sound power level
声功率级
1.
Although it is an important regular musical instrument in Chinese music ensemble,its sound power level has not yet been determined.
但是迄今为止,其声功率级尚未予以测定。
2.
The relationship between the octave band sound power levels of similar and model fans at the corresponding duty points has been found from the research,from which the quick calculation of similar fan octave band sound power level at different duty points is available.
相似设计理论在风机系列化过程中起着越来越重要的作用,为简化相似风机声学性能预估的方法,在原有估算的基础上对相似声学的机理做了进一步的研究,得出了相似风机与原型风机在对应工况点倍频程声功率级之间的直接关系,从而实现了相似风机各工况点倍频程声功率级的快速计算方法。
5) A Sound Power Level
A声功率级
6) sound power level
声功率级，声能级
补充资料：视在功率
视在功率
apparent power
sh}20一gongl口视在功率(apparent power)二端电路端电压的有效值和电流的有效值的乘积，又称表观功率。 令U和I分别为二端电路电压和电流的有效值，S为视在功率，则有 S一Ul 视在功率能表示在一定的有效值电压和电流下，二端电路可能获得的平均功率的最大值。工频交流发电机和变压器等电工设备的额定电压值与绕组绝缘、铁芯的截面积及铁损耗有关，而其额定电流值则与绕组导线截面积及铜损耗有关。额定视在功率(见三相电路功率)可以看成该电工设备的最大利用容量和设计极限值。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条