Control technologies of the photovoltaic grid-connected based on instantaneous current tracking;
瞬时电流跟踪控制光伏并网技术
The durability test of instantaneous current cycle is the only way to test if the plate fuse has enough heat inertia to withstand the impact of the pulse current.
通过对片式熔断器和其他种类的熔断器的技术品质指标的比较,说明了片式熔断器是目前品质最好的一种熔断器,而瞬时电流周期耐久性试验是片式熔断器独有的一种检验熔断器是否具备足够的热惯性以抵挡短时的脉冲电流冲击的方法,由于设备的原因和认识上的误区,该项指标往往得不到很好的检验,通过理论分析和试验,本文确定了针对这种试验的一种简单、易行的方法,使得片式熔断器的品质鉴定能够得到保证。
According to the mutual relationship between voltage and electric current,a new method named instantaneous electric current will be put forward to distinguish the quality of feedback circuit.
利用反馈元件与电路输入、输出端的连接方式,来简化反馈类型的判别过程,并根据电压和电流的相互转换关系,采用“瞬时电流法”判别反馈电路的性质;利用“虚短”和“虚断”的概念来估算深度负反馈电路的电压增益。
According to the mutual relationship between voltage and electric current,a new method named "instantaneous electric current" will be put forward to distinguish the quality of feedback circuit,the feasibility and superiority of which are tested through the analysis of four examples.
利用反馈元件与电路输入、输出端的连接方式,来简化反馈类型的判别过程,并根据电压和电流的相互转换关系,采用"瞬时电流法"判别反馈电路的性质。
The calculating formulas of U,I,P and Q based on instantaneous voltage U and instantaneous current I of two points are inferred and tested.
从基本电路原理给出的有效电压 U、有效电流 I、有功功率 P和无功功率 Q的定义 ,推导出基于两点电压、电流瞬时值计算的 U,I,P和 Q的计算公式 ,并用任意一组数据进行验证。
The calculating formulas of U,I,P,and Q based on instantaneous voltage U and instantaneous current I of two points are inferred and tested by a random data set.
推导出由两点电压、电流瞬时值计算U、I、P和Q的公式。
In electronics, the product of an instanta neous voltage and the correspondent instantaneous current.
在电子学［术］，瞬时电压及其相应的瞬时电流的乘积。
Study on measuring technique of instant current efficiency on large sized Al electrolytic cell
大型铝电解槽瞬时电流效率测定技术的研究
The discusstion to sensitivity of the current quick break protection;
瞬时电流速断保护灵敏度校验问题的探讨
electrical transient
瞬时产生的不稳定电流
instantaneous electromagnetic overcurrent relay
瞬时电磁式过电流继电器
Practical Calculation of Short Circuit Current Instantaneous Value in Electric Power Plant System;
电厂电气系统短路电流瞬时值的实用化计算
Research on Instantaneous Power Theory and Harmonic Current Detection Method;
电网瞬时功率理论和谐波电流检测方法研究
The Strucure of 2024 Aluminum Alloy under Instantaneous Large-Current and Hot Deformation Behaviour
瞬时大电流下2024铝合金组织变化及热变形行为
Research on the Harmonic Current Detection Method Based on the Theory of Instantaneous Reactive Power
基于瞬时无功功率理论谐波电流检测方法研究
An Improved Harmonic Current Detection Method Based on the Theory of Instantaneous Reactive Power
基于瞬时无功功率的改进型谐波电流检测方法
Progress in Transient Outward Potassium Current and Its Regulating Factors
瞬时外向钾电流及其调控因素的研究进展
Error analysis based on the instantaneous reactive power harmonic current detection method
基于瞬时无功功率谐波电流检测法的误差分析
Research on Reactive Current Detection Methods based on Instantaneous Reactive Power Theory
基于瞬时无功理论的无功电流检测方法研究
A New Instantaneous Reactive Current and Power Analysis Based on pq Decomposing
基于pq分解的瞬时无功电流与功率分析新方法
Test of harmonic and reactive current based on instantaneous reactive power theory
基于瞬时无功功率理论的谐波和无功电流检测
Detecting Methods of Harmonics and Reactive Current Based on Instantaneous Reactive Power Theory
基于瞬时无功理论的谐波和无功电流检测方法
Relation between transient current peaks and rise time of ESD gun in air discharge mode
空气放电模式下静电放电模拟器瞬态电流峰值与上升时间的关系
Redox Reaction Modulates Transient and Persistent Sodium Current during Hypoxia in Guinea Pig Ventricular Myocytes;
氧化还原反应调节的豚鼠心室肌细胞瞬时钠电流和持续性钠电流