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voltage error
相关语句
  电压误差
    Inverter Voltage Error and Bypass Control of Uninterruptible Power Supply
    UPS电源逆变器输出电压误差与旁路控制
短句来源
    The MRAS Flux Observer with Stator Voltage Error Compensator
    具有定子电压误差补偿的MRAS磁链观测器
短句来源
    A Compensation Method for Voltage Error of Full Order Observer of Modelling Reference Adaptive System
    模型参考自适应系统全阶观测器的一种电压误差补偿方法
短句来源
    The rectifier and the inverter correspondingly select thecurrent and voltage error of the DC line nearby their converter and the rate of change as input signal of fuzzy control,the output of fuzzypart as one of the input signals of neural network,so as to control current and voltage respectively.
    整流侧和逆变侧分别提取直流线路电流、电压误差及其变化率作为模糊控制器的输入,输出作为神经网络的输入,分别控制电流和电压。
短句来源
    Specific issues examined are: compensation for the variation of the stator resistance, the offset error of the DC bus voltage, the voltage error generated by the forward voltage drop the dead time of the switches, improvement of the steady state performance, and the speed sensorless control for the PMSM DTC drive system are of major concern in this thesis.
    定子电阻变化,直流母线电压漂移,开关器件反向相电压降、逆变器死区时间引起的电压误差的补偿,提高系统稳态运行性能以及永磁同步电机直接转矩控制的无速度传感器运行方案等问题都是本文研究的重点。
短句来源
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  电压偏差
    FEED-FORWARD CONTROL STRATEGY OF VOLTAGE ERROR ON DC-LINK CAPACITORS IN CURRENT-MODE CONTROL HALF-BRIDGE INVERTER
    电流型控制半桥逆变器直流分压电容电压偏差前馈控制技术
短句来源
    Research on Current-Mode Control Half-Bridge Inverter(Ⅱ) ——Feed-Forward Control Strategy of Midpoint Voltage Error on Input Capacitors
    电流型控制半桥逆变器研究(Ⅱ)——直流电容电压偏差前馈控制技术
短句来源
    The controller effectively combines fuzzy logic rule with secondary voltage control: The voltage error of pilot buses and its differential are the inputs of fuzzy logic block. The inputs go through the reasoning of fuzzy rules and generate the voltage control signal, which is transferred to a PI block, where the signal of area reactive power control is available.
    该控制器有效地将模糊逻辑规则和二次电压控制相结合 :将引导节点的电压偏差及其微分作为模糊逻辑控制规则的前项输入 ,与规则作用后 ,推理出相应的电压控制信号 ,然后引入比例积分器 ,得到区域无功控制信号 ,通过发电机的励磁控制 ,实现对引导节点电压的控制。
短句来源
  “voltage error”译为未确定词的双语例句
    The results of practice test show that the high accuracy of the algorithm can limit the constant voltage error within ±20 mV.
    实际测试结果表明 ,该算法精确度高 ,可使恒压误差控制在± 2 0mV以内
短句来源
    The HSPICE simulation results show that its transfer efficiency is higher than 78% while its output voltage error is limited within 10mV.The results also show that it's highly reliable with the maximum load current 240mA.
    HSPICE仿真结果显示,其转换效率高于78%,转换误差在10mV之内,稳定性高,最大负载电流可达240mA.
短句来源
    2. Based on the analyses of the relationship between the voltage error / the current error and the flux observation error of the full order observer, this paper presents a novel pole point setting method with the condition of the definite motor speed.
    通过分析参数偏差对全阶状态观测器磁链观测稳态误差的影响,并通过仿真得出:上述的极点配置方法,同样可以降低定子电阻偏差和漏感偏差在极低速范围对磁链观测稳态误差的影响。
短句来源
    The mathematic analyses and the computer simulations both verify that such method can reduce the influence of voltage error / current error, which is very important to the precision improvement of the flux observation.
    3.在转速未知的条件下,通过对MRAS 磁链观测器的动态性能以及磁链观测稳态误差的分析,并通过仿真得出:磁链观测和转速控制动态性能的改善与磁链观测稳态误差和转速误差的降低是互相矛盾的。 对于电动汽车中异步电机控制来说,精确的磁链观测更为重要,当对动态性能要求不高时,可以不进行极点配置。
短句来源
    The step is determined by the ratio of gradient and voltage error.
    步长由电压的最大误差比梯度的最大分量来决定,使得计算速度大大加快。
短句来源
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  voltage error
This architecture, however, exhibits a reference voltage error caused by resistor ladder loadings.
      
In this study, an artificial neural network-based voltage compensator is proposed to reduce the voltage error between the reference and the actual voltages.
      
Uncontrolled factors like response rundown and voltage error, if present, were expected to affect all experimental groups to the same extent.
      
Voltage error at the peak of the current due to uncompensated access resistance was estimated to be 3 mV in all 3 records.
      
Voltage error at the peak of the current due to uncompensated access resistance was estimated to be 4 mV in both records.
      
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This paper preliminaryly approaches the relation between speed and error as well as the omission of D/A function transformer in the digital display of inductosyn. It points out that the speed does not bring about error when the phase difference between test pulse and exciting signal is 90°. The inductosyn can be used as a speed transducer. The omisson in function transformer only brings about voltage error but not test error.

本文对感应同步器数显表中运动速度与误差的关系及D/A转换中函数变压器的省略问题,作了初步探讨。认为在测量脉冲与激磁信号相位相差90°时,运动速度不会造成测量误差。如改变测量时间,则可作为一种速度传感器使用。函数变压器中的省略只会造成电压误差,不会造成测量误差。

In this paper we use the gradient method of nonlinear programming for optimalcalculation of voltage and loss in power system.For compensation joint.we first consider it asPV joint and transform it into real compensation at the end of computation.The step is determined by the ratio of gradient and voltage error. A method for 24 hours optimal calculationis also proposted.

采用非线性规划中的梯度法,进行电力系统的电压、网损优化计算。其中补偿节点的处理,开始均作为PV节点,计算结束前转化为实际的补偿量。步长由电压的最大误差比梯度的最大分量来决定,使得计算速度大大加快。对于一天24h的优化,在保证电压合格率的前提下,减少了可调设备动作的次数,使得总体经济效益较优。所编程序通过银川供电局较长时间的实际使用,证明原理正确,经济效益显著。

Tbe variation of elecctric network or load leads to synchromotor stepout, which cancause severe consequence. In this pnper,a 8098 single chip microcomputer is used to controlthyristor excitation to avoid synchromotor stepout.The voltage error of the system is usedto control the turring-on angle of SCR,and the system can automatically adjust the electriccurrent of excitation winding to avoid stepout.

电网电压或负荷的变化会引起同步电动机失步,从而产生严重后果。本文论述了用8098单片机控制同步电动机晶闸管励磁防止失步的系统。对电网或负载变化引起的电压偏差进行PID运算,并以此改变晶闸管导通角,从而自动调节转子的励磁电流以避免失步。

 
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