查询词典 wire chisel

Firstly, harmonic detection method using ip,iq algorithm, which is based on the instantaneous power theory proposed by H.Akagi, is introduced briefly and is extended to detect positive or negative sequence of arbitrary order harmonic in single-phase system, three-phase three-wire system or three-phase four-wire system.

首先，本文简要介绍了基于瞬时功率理论的谐波电流检测方法——i_p，i_q算法，并将之推广应用于单相系统、三相三线制系统和三相四线制系统中任意次数谐波的正序、负序有功、无功分量的检测，大大拓宽了该优良瞬时谐波检测算法的应用范围。

This series of instruments for low-voltage, medium voltage, high-voltage switchgear and distribution systems, central station monitoring system, generator set systems, building automation systems, energy management system, such as factories, able to measure three-phase three-wire, three-phase four-wire system current, voltage, active power, reactive power, apparent power, active power, reactive power, power factor, frequency, voltage triangular openings, the largest open-shaped voltage power parameters, at the same time with a remote, remote control function.

该系列 仪表适用于低压、中压、高压开关和配电系统、中心电站监测系统、发电机组系统、楼宇自控系统、工厂能量管理系统等，能够测三相三线，三相四线系统的电流、电压、有功功率、无功功率、视在功率、有功电能、无功电能、功率因数、频率、开口三角形电压、最大开口形电压等电力参数，同时带有遥信、遥控功能。

The above methods can be applied to unbalanced three-wire circuits but can not be used in four-wire circuits.

上述方法还可用于三线制不对称电路，但不能用于四线制电路。

In this paper, a new method of three-wire measurement is proposed, which can suppress lead wire resistance effects.

推荐一种消除引线电阻影响的三线制测量新方法。

The topologies of the FCL proposed for three-phase four-wire and three-phase three-wire power systems are investigated in detail. Parameter design and optimization are presented.

文中详细论述了用于三相系统的限流器的主电路拓扑结构、控制策略、参数设计与优化方法等。

This paper introduces the selection of the heat relay s type and current its reset mode, points out that connection wire section of rated current of heat relay should be selected according to strict rules it can not take as the protective device of wire short circuit puts forward working environment and temperature of heat relay and matters needing attention of reset after operation.

介绍了热继电器的类型选择、电流的选择、复位形式，指出热继电器的连接导线截面应按规定选择，热继电器不能作为线路的短路保护装置，热继电器的工作环境温度，动作后的复位等注意事项。

Telephone wire , telephone line , telegraph wire

在那两个城市之间架设了一条新的电报线路。

SXL series box take-up suitable for box and barrel packing, like the automotive wire and electric wire can use this kinds of packing model.

SXL系列梅花落桶收线机适用于方纸箱与圆桶包装，广泛用于汽车电线、电子线缆的包装。

This design controlled member is an electric heating stove, adds through the control in the resistance wire beginnings and ends voltage operating time operating time, comes the average power which outputs to the resistance wire to perform to control.

本设计的控制对象为电加热炉，通过控制加在电阻丝两端电压的工作时间，来对电阻丝输出的平均功率加以控制。

This design controlled member is an electric heating stove, addsthrough the control in the resistance wire beginnings and endsvoltage operating time operating time, comes the average powerwhich outputs to the resistance wire to perform to control.

本设计的控制对象为电加热炉，通过控制加在电阻丝两端电压的工作时间，来对电阻丝输出的平均功率加以控制。

Effective local search tactics reaches local searchers when they are ready to buy - with every way that it is possible for them to buy from you.

有效的地方搜索策略达到当地的搜索，当他们准备购买-以各种方式，这是他们有可能从您那里进行购买。

The first two are periodic sentences for their beginnings; and the fifth and the last are also periodic sentences each for the embedding of a parenthetic structure.

1960年代中后期，当战后女权主义和当时的许多其他抗议运动在西欧和北美发展成某种势力时，性别的概念演绎成补充和延伸生物性别差异的概念。