1、

With the proportion increasing of wind power generation in power grid, the power grid demand for increasingly high to wind turbine. Low-voltage through technology ( LVRT) is one important indicator.

随着风力发电在电网中的比例日益增加,电网对风电机组的要求也越来越高,低电压穿越技术(LVRT)就是其中一项重要指标。

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2、

WVS Solid-closure High-voltage Vacuum Circuit Breaker's technical parameters can totally comply with GB1984, GB/ T11022 and China Power Industry Standard DL/ T403, also meet the IEC62271-100, IEC56.

WVS型固封式高压真空断路器各项技术参数完全符合GB1984、GB/T11022和中国电力行业标准D L/T403,同时还满足IEC62271-100、IEC56标准规范以及其他主要工业化国家相关标准的规定。

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3、

The detector system consists of a single-board microcomputer TP-801, a polarization voltage generator based on a digital/ analog converter ( DAC), a potentiostat and a wall-jet electrochemical cell ( WJC).

检测系统包括TP801单板计算机、基于D/A转换的极化电压波形发生器、恒电位系统和壁面射流电化学池(Wall Jet Electrochemical Cell)。

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4、

When PFC stage uses VVB control, in order to reduce the input voltage range of the next DC-DC stage, this dissertation proposes a hybrid Boost PFC converter.

当PFC级采用变输出电压控制后,为了减小后级变换器的输入电压范围,本文提出一种复合式PFC变换器。

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5、

A neural-network-based controller for selecting the voltage space vector ( VSV) is introduced in this paper.

介绍了基于神经网络的电压空间矢量选择控制器。

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7、

According to negative temperature coefficient of VBE and positive temperature coefficient of VT, a framework of band-gap voltage reference is investigated.

同时利用PNP晶体管发射结电压的负温度特性和发射结差值电压的正温度特性设计了一个带隙基准电压源。

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8、

The effect on threshold voltage VTH of PMOS transistors, caused by BF_2~+ implantation is studied in this paper.

文章研究了BF2~+注入对PMOS晶体管开启电压的影响。

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9、

It compensates for the temperature characteristics of the resistor and the threshold voltage VTH in such a way that the reference current has small temperature dependence.

主要利用电阻的温度系数与阈值电压VTH温度系数相同的特性实现温度补偿原理。

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10、

A new space vector modulation method based on reference voltage decomposition for multilevel VSI

基于参考电压分解的新型多电平逆变器空间矢量调制方法

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11、

Design and Accomplishment of PLC Protection and Monitoring System in High Voltage Three Level VSI Drive System

高压变频器PLC监测保护系统的功能设计和实现

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12、

VLT is a novel technology which can greatly improve the breakdown voltage and reduce specific on-resistance. However, the biggest challenge is how to manufacture the gradient drift region thickness increasing from the source to the drain.

VLT技术是一种可以同时大幅度改善击穿电压和降低导通电阻的新技术,但其难点在于从工艺上如何制造从源到漏逐渐变化的漂移区厚度。

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13、

The paper introduces principle and application of variable frequency starting system of high voltage synchronous motor by UKL "Khemz" import.

介绍一种由乌克兰汉姆斯引进的高压同步电动机的变频起动装置。

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14、

Study on Transient Recovery Voltage ( TRV) of Filter DC Breaker in HVDC Converter Station

换流站滤波器断路器暂态恢复电压的研究

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15、

However, the traditional measurement of TPY current transformer often requires high voltage and high current environment, which brings complexity and noise interference of the measurement.

但是,传统的TPY级电流互感器的测量方法往往需要高电压、大电流环境,测量过程繁琐,噪声干扰大。

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16、

TDG processed by this method demonstrate that this algorithm approaches high accuracy and stability and satisfies the needs of reconstruction of digital high voltage impulse waveform.

2TDG波形计算结果表明该方法可以有效实现冲击电压数字化测量波形复原,具有较高的准确度和稳定性。

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17、

Study of Discharge Characteristics of High Voltage Instrumentation Feed Through

高电压仪用接口放电特性的研究

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18、

Several problems meriting attention concerning application of TOSHIBA high voltage inverter at power plants

东芝高压变频装置在电厂实际应用中应注意的问题

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19、

The ratio of voltage warp ( RVW) for the varistor is defined to simulate a polynomial of every diameter and suspended heights of the grading ring.

定义了阀片电压偏差率并以此为目标函数,建立该目标函数与各均压环环直径和悬挂高度的拟合多项式关系。

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20、

A new practical insulation testing method called return voltage method ( RVM) is introduced.

介绍了国外最近逐渐推行的一种新的绝缘检测方法&回复电压法。

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