The Mooney viscosity fluctuation of mix can be decreased by using instantaneous power control.
采用瞬时功率控制可减小混炼胶的门尼粘度波动。
A class of compensating current calculating circuit based on instantaneous power theory is presented.
介绍一类基于瞬时功率理论的实时无功电流计算电路。
The instantaneous power spectrum of nonstationary random vibration signals is discussed in this paper.
本文研究了非平稳随机振动信号的瞬时功率谱。
The essence of the instantaneous power control in internal mixer is to control the viscosity of mixing material.
密炼机瞬时功率控制的实质是控制混炼物料的粘度。
The thesis also improved the method of the instantaneous power component computation and the synchronous coordinate orientation.
同时对传统正负序分量瞬时计算方法和正负序同步旋转坐标轴定向方法进行了改进。
It can manage the air consumption for substantial saving by detecting pressure, flow and accurately calculate the instantaneous power.
可以检测压力、流量并准确计算出瞬时功率,从而管理压缩空气能耗,实现大幅节能。
On the basis of power differential method, a novel principle of transformer protection using generalized instantaneous power is presented.
在差有功法的基础上,提出一种利用广义瞬时功率实现变压器保护的新原理。
Moreover, the relations between both the active power and the reactive power and the instantaneous power are also achieved at the same time.
建立了有功功率、无功功率、复功率及复交流功率与瞬时功率的关系,进而仅基于瞬时功率的守恒性便证明了上述功率也满足守恒性。
Based on instantaneous power analysis, an instantaneous power control method of permanent magnet synchronous machine (PMSM) is proposed in this paper.
基于对电机输入瞬时有功无功功率的分析,提出一种新的永磁同步电机瞬时功率控制方案。
The paper describes a sudden shutdown of the air separation plant operating in Nylon 66 Salt Corporation due to instantaneous power failure of the compressor oil pump.
介绍了神马尼龙66盐公司空分装置一起由空压机油泵晃电而导致的系统停车,在紧急启动液氮汽化系统过程中由于液氮取出阀内漏所造成的冷箱壁冻裂事故。
To solve the problem in obtaining bearing fault characteristics of induction motors, a method based on instantaneous power decomposition via wavelet packet is put forward.
针对感应电动机轴承故障特征提取的不足,提出了瞬时功率小波包分解的方法。
Using the method of symmetric components and matrix, this paper analyses instantaneous power and the operation parameters concerning one-phase asynchronous motor in dynamic state.
首先运用对称分量法将单相异步电动机分为正序系统和负序系统,然后分别用矩阵分析了这两个系统中各自的有功功率、无功功率和视在功率。
A new method, based on the analysis of frequency spectrum of instantaneous power, for the discrimination between internal fault currents and inrush currents in transformer is proposed.
在分析瞬时功率频谱特性的基础上,提出了一种基于瞬时功率的变压器励磁涌流和内部故障电流识别新方法。
To alleviate the problem of variable switching frequency, a novel quasi DPC control strategy with current loop was represented through the analysis of PWM rectifier instantaneous power.
可变开关频率为缓解这个问题,一种新型的准DPC控制策略与电流回路通过PWM整流器瞬时功率的分析表示。
Based on the balance of the instantaneous power of the distribution static synchronous compensator (DSTATCOM) system the direct output voltage control strategy for voltage control is proposed.
为寻求性能优良、容易实现的配电静止同步补偿器(DSTATCOM)的电压控制策略,根据DSTATCOM系统中的瞬时功率平衡理论,推导出了DSTATCOM用于控制电压时的直接电压控制策略。
Subsequently, a novel controller for DC bus voltage regulation is put forward according to the small signal model based on the instantaneous power balance in AC and DC sides of three-phase SAPF.
然后根据交流侧和直流侧的功率平衡方程,推导了电压环的小信号模型。最后基于该模型设计了一种高动态性能的直流电压调节器。
This paper presents four-phase transmission harmonic current detecting method based on instantaneous reactive power theory.
该文提出了基于瞬时无功功率理论的四相输电谐波电流检测方法。
In this paper, we propose and discuss two new control methods for three phase shunt APFs: the sinusoidal line current control method and the instantaneous reactive power compensation control method.
本论文提出三相并联型有源滤波器的两种新的控制方法,即正弦波化控制和瞬时无功功率的控制方法。
It is found that the gas flow is mainly controlled by instantaneous arc power and the maximum of gas flow appears not at peak pressure, but at current zero.
结果显示,气流的改变主要受电弧瞬时功率控制,最大流量不是发生于压力峰值时刻而是出现在电流过零时。
Instantaneous reactive power theory applied on harmonic and reactive current real-time detection is presented in this paper.
介绍了瞬时无功功率理论在谐波和无功电流实时检测方面的应用。
Secondly, the instantaneous reactive power theory and it 's application to reactive power control and detection are introduced.
其次,论文还介绍了瞬时无功功率理论及其在无功控制和无功检测方面的应用。
Finally, the method of solving instantaneous acceleration power spectrum of nonstationary random response of arbitrarily point on vehicle is presented.
最后给出如何求解车辆上任一固定点非平稳随机响应的瞬时加速度功率谱。
A new method is proposed, based on the instantaneous reactive power theory, to detect high frequency harmonic current and instantaneous reactive current applying high pass filter simultaneously.
基于瞬时无功功率理论提出了一种应用高通滤波器同时检测高次谐波电流和无功电流的新方法。
On the basis of them , load models and simulation program of the cutting head are given , and the random loads and instantaneous cutting power are simulated and analysed.
在此基础上,确立了截割头的载荷模型及其模拟方法,并利用编制的计算机程序对截割头的随机载荷以及瞬时截割功率进行了模拟和分析。
A unified model for harmonics and reactive current closed-loop or open-loop detection was established based on instantaneous reactive power theory.
基于瞬时无功功率理论建立了谐波及无功电流检测系统闭环、开环的统一模型。
The interpretation of active and reactive currents in non-sinusoidal and unbalanced three-phase four-wire systems is given based on the generalized instantaneous reactive power theory.
以通用瞬时无功功率理论为基础,阐述了电压不对称和非正弦条件时的有功和无功电流的物理意义。
Based on the instantaneous reactive power theory the method correctly detects the active positive-ord current from unsymmetrical currents and applies calculated command current to compensate system.
论述了利用瞬时无功功率理论从三相不对称电流中正确检测出三相正序有功电流,并用计算出的指令电流对系统进行补偿的原理。
The hysteresis wide is widened for decreasing switching frequency and energy losses, which causes the pulsation of instantaneous active power and direct current voltage.
为降低开关频率和减少开关损失,需增加功率滞环比较器环宽,否则引起瞬时有功功率和直流电压波动,影响系统的性能;
The hysteresis wide is widened for decreasing switching frequency and energy losses, which causes the pulsation of instantaneous active power and direct current voltage.
为降低开关频率和减少开关损失,需增加功率滞环比较器环宽,否则引起瞬时有功功率和直流电压波动,影响系统的性能;
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