1、

Realizing the impedance test by sampling and testing voltage of series resistance with the AD convertor;

利用AD采集测试串接电阻电压实现阻抗测试;

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2、

Research and Design of the Cell Series Multi-level High Voltage Frequency Inverter; cascade power-frequency testing transformer

单元串联型多电平高压变频器的研究与设计串级工频试验变压器

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3、

Influence of Decomposition Temperature on the Threshold Voltage for a Series of Charge Transfer Complexes

含碘系列电荷转移复合物的热分解温度对烧孔阈值电压的影响

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4、

In this kind of trigger module, 51 series microcontroller is taken as the kernel, CAN bus communication unit, RS 485 bus communication unit, voltage and current negative feedback circuit unit are added.

此触发模块的设计以51系列微控制器为核心,同时增加CAN总线通信单元、RS485总线通信单元、电压和电流负反馈电路单元。

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5、

This paper proposes a method for Var compensation by use a device of thyristor switch series transformer to change the capacitor voltage.

提出一种用晶闸管开关装置串联变压器来改变电容端电压以调节无功的补偿方法。

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6、

Distributed generators are usually connected via distribution network, which makes revolutionary change of the radial structure of distributed network. A series of problems, such as voltage regulation, reactive power balance and relay protection, will have effect on power system operation.

分布式电源大多通过配电网接入系统,这使得原有的辐射形配电网单向电源馈电潮流特性发生了根本性变化,一系列包括电压调整、无功平衡、继电保护在内的问题都将影响系统运行。

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7、

The conclusion is that the lightning arrester has very good forced voltage sharing for the lightning impulse that is taken affect in the two smoothing reactors with series connection, which makes each reactor voltage not to exceed half of impact voltage.

认为,对作用于2台串联的平波电抗器的雷电冲击波,各自配备避雷器具有极好的强迫均压作用,使各电抗器电压不超过冲击电压的一半;

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8、

The converter can control the resistive load of the rated current by the way of controlling the sinusoidal current source, through the magnetometive restrictions of the series transformer, which means to indirectly control the rated load voltage.

在控制上按照正弦电流源的控制方法,指出通过串联变压器的磁约束关系可控制阻性负载的额定电流,即可间接控制负载额定电压。

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9、

The article deals with the functions of DC AC series intelligent power inverters, software PWM technology and alternating voltage output modulation technology.

介绍了DC AC系列智能电源逆变器的功能,软件PWM技术及其交流电压输出调制技术。

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10、

The outside of this chip adopts BOOST structure to drive up to seven white LEDs with the input voltage ranging from 3V to 5V. Series connection of the LEDs provides identical LED current resulting in uniform brightness.

电路的电源输入在3V~5V变化,采用BOOST电路结构升压,在极限情况下最多可驱动七个白光LED,由于LED串联,因此各LED电流完全匹配,亮度一至。

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11、

It is rare to see a fission reactor in series connected to the low voltage side of the transformer in a step-down substation.

作为一座降压变电站,其变压器低压侧串联一台分裂电抗器运行的情况并不多见。

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12、

There are many types of main circuit for high voltage VFDs, mainly are current source type, 3-level PWM type with clamped neutrals, unit series multi-level type and multi-level together with multi-layer type.

高压变频器主电路拓扑结构形式有多种,主要有电流源型变频器、中性点钳位三电平PWM变频器、单元串联多电平变频器、多电平+多重化变频器等。

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13、

A series of voltage ( current)-mode biquadratic filters which can realize lowpass, highpass, bandpass, allpass and notch filtering ruction respectively are designed.

设计了一系列电压(流)模式双二阶滤波器,它们均能分别实现低通、高通、带通、全通、陷波滤波功能。

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14、

Series power quality controller ( SPQC) can mitigate the voltage disturbances by superposing a voltage on the system voltage.

串联型电能质量控制器(SPQC)通过向系统电压中串联一个电压源来调节用户侧电压质量。

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15、

The Application of NDK Series Microcomputer ( Intelligent) Control System for Low Voltage Generator Set

NDK系列低压机组微机(傻瓜式)控制系统在小水电站技术改造中的应用

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16、

SIKUS/ STAB UNIVERSAL Series is new economical type of low voltage switchgear assembly. It features neoteric board structure, modular and rapid installation, flexible busbar system, variable kinds of internal isolation version, high protection degree as well as communication capable function.

SIKUS/STAB UNIVERSAL系列是西门子最新推出的经济型低压配电柜,具有新颖的柜体结构、模数化和快速安装、灵活的母排系统、多种内部隔离形式、高防护等级和可通信等特点。

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17、

This number can then be used to derive any adjustments to the drive current or voltage in order to keep the flux output ( or the color output of an RGB series of LEDs) inside the visible limit.

我们随后可用这些数值来调节驱动电流或电压,从而确保通量输出(或RGB系列LED的色彩输出)在可见范围之内。

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18、

The check is in the series of coil and four-way reversing valve control relay contact resistance increases, the bad, the contacts the voltage reduced.

经查是与四通阀线圈串联的控制继电器触点接触不良,电阻增大,致使电压降低。

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19、

Study on low noise YKK Series high voltage three phase vertical asynchronous motors

低噪声YKK系列封闭式高压三相异步电机的研究

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20、

Each Programme Series speaker may also be used in constant voltage distributed systems.

每个方案系列音箱也可以用在恒压分布式系统。

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