At present,"current balance" is a widely used balance standard in pumping wells management,and the pumping unit is considered to be in balance when the current balance degree is in the range of 80%～120%.
目前在抽油机井管理中普遍采用的平衡标准是"电流平衡",并认定电流平衡度在80%～120%之间时抽油机即为平衡。
We obtained the rule of the displacement distribution under the condition of excavation and soil nail supporting,at the same time we put forward the best time of the soil nail supporting according to the change of the maximal unbalanced force.
本文采用FLAC软件,通过建筑物基坑随开挖深度增加而变形的模拟,得出基坑每一阶段开挖及土钉支护条件下的位移发展演变规律,跟踪最大不平衡力变量的变化提出了最佳土钉支护时机。
current balance type current differential relay
电流平衡式差动电流继电器
The testing methods for the current balance of transformer differential circuit
变压器差动回路电流平衡的检验方法
THE THREE PHASES CURRENT BALANCE OF SMELTING ELECTRIC FURNACE BASED ON VARIABLE REACTOR
基于可变电抗的矿热炉三相电流平衡技术
space-charge balanced flow
【电子】空间电荷平衡流
phase balance current relay
相位平衡电流继电器
Electrical characteristics for unbalanced double-current interchange circuits
GB/T3455-1982非平衡双流接口电路的电特性
The Detection of Reactive Current under Unbalance and Non-Sinusoidal Voltage
不平衡非正弦电压下的无功电流检测
Research of Neutral-point Voltage Balance Control Technique of Three-level Grid-converter
三电平并网变流器中点电压平衡控制技术研究
A kind of Current Transformer with Unbalance Current Protection
一种具有不平衡电流保护功能的电流互感器
Design of Current-Mode Fully Ballanced High-Order Lowpass Filters
电流模式全平衡高阶低通滤波器设计
Study on Non-uniform Current in Low Voltage Side of Annealing Furnace
退火炉低压侧电流不平衡问题的探讨
It is necessary for the SMES power converter to inject unbalanced current shifted 1800in order to correct it.
为了纠正不平衡,SMES的电力变换器有必要注入移相1800的不平衡电流。
Deduction of Voltage Equation of DC Motor by Coupling Circuit Method
耦合电路法推导直流电动机电动势平衡方程
PFC and Neutral Point Balanced Control Method of Three-level Rectifier
三电平整流器的PFC及中点平衡控制方法
Analysis on the Unbalance Current of HVDC Pole Bus Differential Protection
高压直流极母线差动保护不平衡电流分析
A device for equalizing pressure or strain.
均衡器用来使电压或电流保持平稳的设备
Measurement for Unbalanced Current of Series Capacitor Compensation Equipment
浅析串联补偿电容装置不平衡电流的测试
DC Capacitor Voltage Balancing Control for Cascade Multilevel STATCOM
链式静止同步补偿器的直流电容电压平衡控制