查询词典 wattless

But what's the main reason for the wattless circumfluence in Gansu power grid?

那么，甘肃电网内无功环流存在的主要原因是什么？

The writer gives some advice and measures on the basis of analysis and calculation to the two wattless circumfluences existed in Gansu Power Grid.

笔者对甘肃电网内两个电磁环网进行计算分析的基础上，提出了结论性的建议和措施。

When the electricity power system runs correctly, the excitation control system maintains the voltage of the generator and the whole system, distributes the wattless loads equitably over the generators, improves the steady-state stability and the dynamic stability of the electricity power system.

在电力系统正常运行的情况下，维持发电机或系统的电压水平；合理分配发电机间的无功负荷；提高电力系统的静态稳定性和动态稳定性[1]。

To ensure the voltage quality and improve the power factor of the oilfield electric network and reduce the power lossalong the wile, in-situ wattless compensation technology is adopted on the electric motor, i.

为保证电网电压质量，提高功率因数，降低线路损耗，可对电动机实行无功就地补偿，即在电动机旁配备适当的低压小型电力电容器装置来补偿电动机的无功功率。

In the field of measurement and display, it ranges from ampere meter, Voltage Meter and fault current state directives to power factor, wattful power, wattless power, frequency, and even harmonics, the fault condition wave acquisition, and so on.

在测量、显示这块，如电流表、电压表、故障电流及状态指示，以及功率因数、有功功率、无功功率、频率，甚至谐波，故障状态的波形捕捉等等。

What's more, when the transformers in ringed networks are not matching, it will cause the ringed network a loop potential, then the circulating power is existed which also produce wattless circumfluence.

造成无功环流的原因各不相同，有的源于规划，有的是由于管理体制，有的由于运行方式，有的只是环网中各变压器的变比不匹配引起环网中存在环路电势，进而引起循环功率。

E. providing with propersmall size low-voltmp power capacitor near the electric motor to lvalize the wattless power compensation of the motor.

简述了电动机无功就地补偿技术的原理和优点，给出了最佳补偿功率团数的确定、补偿电容器无功量的计算方法，以及无功补偿器保护设置和安装原则。

With operating the excitation control system with PLC, this design maintains the terminal voltage of the generator and the whole system, distributes the wattless loads equitably over the generators, makes sure that the generator works normally and the electricity power system functions savely.

本设计通过用可编程控制器控制发电机的励磁系统，来稳定发电机的机端电压，并稳定地分配机组的无功功率，来满足发电机正常发电及电力系统安全运行的需要。

The author did the tracking test to four kinds of exist using energy-saving motors of sucker rod pumps,compared and analysed the tested data on the wattless losses,wattful power,single consume to output of fluid,energy-saving rate and average system efficiency of pump units.

跟踪测试了孤东油田目前在用的4种有杆抽油机节能电机，利用科学、准确的实测数据，从无功损耗、有功功率和产液量单耗、节电率、抽油机平均系统效率等方面进行了对比分析。

The energy-saving tug unit of the pump unit,its wattless loss is the least,it has the largest energy-saving rate,it has the best applying result,compared with the former ordinary motor its energy-saving rate reaches 36.8%.

而抽油机节能拖动装置其无功损耗最小，节电率最大，产液量单耗降低率最高，应用效果最佳，与原普通电机对比其节电率可达36.8%。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。