1、

The twenty four hours' current and voltage data of the some transformers in one day are noted and used as the actual load.

本文对若干实际变电所的一天24小时负荷电流、电压数据进行记录整理,作为实际负荷过程。

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2、

The simulative results show that, the load model with dynamically modified exponent reflects the actual load and voltage characteristics better than that with constant exponent in disturbance response.

应用动态修正法进行仿真,并与恒定参数进行扰动响应比较,结果表明,使用动态修正法所得静态负荷模型能更好地反映负荷和电压的实际特性。

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3、

The Effect of Damper Windings on the No-load Harmonic Voltage of Synchronous Generators by the Third Harmonic Excitation

阻尼绕组对谐波励磁同步发电机空载谐波电压的影响

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4、

The calculation of the voltage across the load of a TV receiving antenna

电视接收天线负载两端电压的计算

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5、

However, when the input voltage or a load resistance changes, will make fundamental changes in the operation of the system.

但是,当输入电压或者负载电阻变化时,系统的运行状态会发生根本性的变化。

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6、

This article focus on the motor which supplied by 1140v and driving the asymmetric load, prepares to manufacture the control voltage economic device basing on PWM, achieves to control the voltage on the motor in order to decrease the loss of motor and save the electric energy.

论文针对1140V供电的不均匀负载电动机,提出研制基于PWM技术的电动机调压装置,实现对电动机端电压的调节、控制,从而达到降低电动机损耗和节约电能的目的。

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7、

Equivalent Model for Induction-motor Load Connected to High Voltage Bus

接于高压母线的电动机负荷等值模型

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8、

It is given a novel electronic simulative load and proved that the IGBT can simulate the real time waveform of the current and voltage in welding.

提出了一种新型的电子模拟负载,并通过理论分析和大量的实验研究证明了采用这种电子模拟负载模拟动态电弧的实时变化是可行的。

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9、

Due to the inverse distribution between energy resources and load demands in China, the strategic objective of developing UHV transmission backbone coordinated with multi-level voltage grid was put forward by State Grid Corporation of China.

基于能源资源和负荷需求逆向分布的国情,我国国家电网公司提出了建设以特高压电网为骨干网架、各级电网协调发展的战略目标。

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10、

A static voltage stability criterion considering load static characteristics

考虑负荷静态特性的静态电压稳定判据

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11、

In mid-term and long-term voltage stability analysis, the test results shows that OLTC tap changing, OLTC control mode, generator current limits, reactive power limit and unfavorable load characteristics have effects on mid-term and long-term voltage stability.

在中长期电压稳定分析中,OLTC分接头调节、OLTC采用的控制方式、发电机电流限制和无功功率限制以及不利的负荷特性都对中长期电压稳定性有影响。

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12、

In the test for voltage regulator, the load current of the DUT provided by the test equipment needs a certain delaytime to reach the provision value.

在电压调整器测试中,测试设备提供的负载电流需经一定的时间延迟才能达到预定值。

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13、

Generator's operation with leading power factor, as a means of voltage control, has been adopted widely as required in case of light load and high voltage.

作为一种调节系统电压的手段,发电机进相运行已在电网小方式电压偏高情况下按系统需要普遍采用。

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14、

The new control way can realize linear control for DC-bus voltage and get the fundamental component of the load current synchronously with a little of calculation.

该方法以电网电压为同步信号,在电网电压信号的过零点采样直流侧电容电压,并通过周期离散控制可以获得负荷电流有功分量。

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15、

Analyze the structure mode problem of auto low voltage reactive-load compensation equipment, bring out special scheme and basic function of low voltage power capacitor intellection, and at the same time enumerate several auto low voltage reactive-load compensation equipment on intellectual power capacitor.

分析了低压无功自动补偿装置现有结构模式存在的问题,提出了低压电力电容器智能化的具体方案和基本功能,同时列举了几种采用智能式电力电容器的低压无功自动补偿装置的结构。

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16、

Reasonably cutting off load can be controlled the range of the power voltage.

合理地投切负载能够控制电源电压的波动范围。

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17、

Firstly, this article studies the influence of OLTC transformer ratio change on static voltage stability by using the ternary analytical method of voltage U, power P and load impedance angle φ.

本文首先采用含有有功功率P、电压U和负荷阻抗角φ的三元分析法研究OLTC变比变化对静态电压稳定性的影响。

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18、

Userspace: Stays on a set frequency, not changing frequency or voltage based on load.

固定在设定的频率,不根据负荷变化更改频率或是电压。

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19、

Operation shows that this design has high practical value which can effectually reduce the adjust times of on-load tap changing and capacitor, thus improve the voltage quantity of supply power system.

运行结果表明,这种控制思想是可行的,可以有效减少有载调压变压器分接头和电容器动作次数,从而提高供电系统的电压质量。

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20、

The influence of the air channel between high and low voltage winding and the heat load of windings to winding temperature rise in dry-type power transformer is researched. The average equation is established.

对干式电力变压器高低压绕组间气道尺寸和绕组热负荷对绕组温升影响进行了研究,并建立了平均准则方程式。

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