power problems

Voltage and reactive power problems in power system: new features and countermeasures

电力系统中电压与无功问题的新特点及对策

The paper introduces normal problems of reactive power compensator cabinet rising in the operations such as phase sequence and polarity problems, current sampling point problems! volume of capacitor problems and other normal problems etc and how to take actions to settle them.

文章介绍了无功功率补偿柜在使用过程中所出现的常见问题，如相序和极性问题、电流信号取样点问题、电容器的容量问题以及其它常见问题后如何采取措施得到解决。

She can persuade without creating hostility" All those traits will be useful as the global economy ‘ s new power player takes on its most annoying problems.

她可以在不制造敌意的情况下说服人们,"当全球经济的新力量接手最烦人的问题时,所有这些特质都将是有用的。

When we do maintenance scheduling with man power, problems come forth, such as frequent temporary repair, inadequate or excess maintenance, blind repair and other serious problems. It will easily waste resources, threaten the stable operation of the equipment which leads to blackouts.

人工安排检修计划往往考虑不周全，存在的临时性检修频繁、检修不足或检修过剩、维护工作量大等严重问题，具有一定的盲目性，容易导致资源浪费、威胁设备稳定运行造成停电事故。

However, according to statistics most of power problems in power system are voltage dynamic sag and swell during the time from several milliseconds to five hundred milliseconds. But it is not voltage complete interruption.

而根据统计电力系统中供电问题大部分都是时间在几毫秒到500毫秒的电压动态跌落与升高，而不是电压完全中断。

This article in detail elaborates supply power and breakdown type and the test methed, how to scientifically grasp the different breakdown electric cable meter test profile analysis as well as the breakdown localization method, and intro-duces how to solve the problems appeared in the scene test.

介绍了供用电企业中电缆的各种故障类型和故障测试方法，对不同故障电缆仪测试的波形进行了分析，阐述了电缆故障点的定位和现场测试中通过波形判断故障的方法。

However, the coming substantive power electronic equipments, impactive and nonlinear loads in power system lead to a series of power quality problems, such as voltage sag, voltage swell, voltage fluctuation, harmonics, voltage notch, impulse, oscillation transient and so on.

但随之而来的各种电力电子设备、冲击性与非线性负荷的大量投入，导致供电质量出现电压暂降、电压暂升、电压波动、谐波、电压缺口、脉冲与振荡暂态干扰等一系列电能质量问题。

This outspread of power brought new problems.

这种势力扩张带来了新的问题.

That has led to hard realization among Indian policy makers that BHEL is not the answer to the country's power problems.

靠印度重工无法解决印度的电力问题已经是印度决策者面临的严酷的现实。

However, with the widely use of various kinds of power electronics devices and nonlinear loads in power network, the problem of power quality becomes one of the problems which is paid attention for by customers and power supply department.

然而随着各种电力电子设备，非线性负荷在电网中的广泛应用，电能质量的问题成为现在用户以及供电部门非常关注的问题之一。

Human societies have the power to solve the problems confronting them

人类社会有能力解决面临的问题。

The Power Problems of the Circuits in the Sinusoidal Steady State

正弦稳态电路功率问题

Human societies have the power to solve the problems confronting them.

人类社会有能力解决面临的问题。

Ah selected high-efficiency motor full closure motor, normal maintenance is very simple, down to overcome the past, the need to bake the electrical power problems.

电机选用丫型高效全封电机，平时维护很简单，克服了以往停机后，需通电烘烤电机的难题。

Through designs optimal strategies to enhance the utilization of photovoltaic power generation, to reduce the impact of photovoltaic power generation uncontrollability, intermittent problems on the Power Grid.

通过制定优化的调度策略，提升光伏发电的利用率，降低光伏发电不可控性、间歇性等问题对电网的影响。