HVDC

It is impossible for HVDC system operation without pole control.

极控是高压直流输电系统运行所不可或缺的.

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Analysis of the equivalence of synthetic test circuit on HVDC interruption

论高压直流开断试验回路等价性

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Development of a High-Voltage Probe for Measuring Impulse Voltage across Thyristor Components in HVDC Converter Valve

高压换流阀组件冲击电压测量用高压探头

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Combinations of both overhead and under-ground HVDC line segments frequently occur.

高压直流架空线路和地下线路分段的组合也常采用.

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Shengsi HVDC project is an unconventional marine cable transmission with very weak receiving terminal and dynamic load, supplying power from shanghai to shengsi and Mar-jishan wharf of Bao-shan steel corporation.

嵊泗高压直流输电工程是一个典型非常规的弱受端动负荷海缆输电工程，从上海向嵊泗岛及宝钢马迹山码头供电。

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Simulation results indicate that VSC-HVDC is an ideal black start power by using soft-starting mode.

仿真结果表明,当采用软启动方式时,VSC-HVDC是一种理想的黑启动电源.

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When adopting the fully controlled 3-phase thyristor rectifier as the key component of the power source, the mathematical model and the working theory of the power source are similar but not the same as the rectifier used in HVDC.

当选用3相全控整流桥做为试验装置电源电路的核心部件后，其数学模型、工作状态虽类似于整流桥，但又不能直接套用。

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The contaminations adhering to the surface of HVDC overhead transmission line affect the conductor corona characteristics.

导线电晕特性与污秽物质的成分密切相关,且有明显的极性效应.

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The harmonic voltage at zero power test of Longquan HVDC converter station is calculated.

摘要计算了龙泉-政平HVDC工程龙泉站系统试验期间零功率试验时的谐波电压.

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HVDC is high controllable. The control system is the core of DC transmission system.

HVDC系统 是高度可控的, 其中控制系统是直流输电技术的核心.

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A macro-model of SCR in consideration of reverse recovery process and thermal performance is established in this paper. Transient simulation of a thyristor module used for HVDC power transmission is performed by using this model.

考虑温度特性和反向恢复过程后建立了可控硅器件宏模型以仿真高压直流输电用可控硅模块暂态特性。

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Verification of HVDC controller using an advanced hybrid real-time simulator

利用混合实时仿真器测试HVDC控制与保护

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all four hvdc links that have been built to date were delivered by abb.

迄今为止,全部建成的四条HVDC传输线全部由ABB交付.

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The HVDC transmission system may lead to subsynchronous oscillation under certain circumstances.

高压直流输电系统在一定条件下可能引发系统的次同步振荡.

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Simulation of a Synthetic Test Circuit for HVDC Thyristor

换流阀合成试验回路建模及仿真

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HVDC control system is the brain of a HVDC transmission system.

直流控制系统是直流输电工程的大脑.

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A new synthetic test circuit for the operational test of HVDC thyristor modules

用于HVDC晶闸管模块运行试验的新合成试验回路

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HVDC test is one of routine tests on the converter transformer.

高压直流试验是换流变压器的例行试验之一。

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abb is connecting parkwind farm in the world – using high-voltage direct current ( hvdc ) transmission technology.

ABB利用高压直流 ( HVDC ) 传输技术连接这个全球最远程的风力发电场.

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Modern HVDC thyristor valves are characterized in the module design, high power and water-cooled thyristors, intelligent thyristor control unit, comprehensive computer valve control and rigorous tests.

现代的高压直流晶闸管阀以组件式结构、大功率和水冷晶闸管、智能晶闸管控制单元、全面的计算机阀控制和严格的试验为特征。

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control and protect section is the most pivotal section in hvdc system.

高压直流输电系统中最关键的部分是控制保护部分.

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Xuji marks in the field of special HVDC achieve a major breakthrough.

标志着许继在特高压直流输电领域实现了重大突破.

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eliminating harmonics is one of the key technologies of high-voltage direct current ( hvdc ) transmission systems.

谐波治理是高压直流 ( High VoltageDirectCurrent,HVDC ) 系统的关键技术之一.

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A wide-area measurement system ( WAMS ) based fuzzy adaptive coordinative damping controller is developed for-infeed HVDC system.

提出一种基于 广域 测量系统的多馈入高压直流(HVDC ) 模糊自适应协调阻尼控制器.

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In the thyristor valve for Three Gorges-Changzhou HVDC Project, each thyristor is provided with a thyristor control unit ( TCU). The main purpose of the TCU is to fire and monitor the thyristor.

三峡&常州高压直流输电的晶闸管换流阀中，每个晶闸管都有一块控制电子线路单元（TCU），其功能为控制并检测该晶闸管。

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Analysis of Relay Protection Action for HVDC Line and Testing Method

高压直流输电线路保护动作分析及校验方法

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The calculation method is also suitable for horizontal bipolar HVDC transmission lines.

该方法还适用于极导线水平排列直流线路.

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On the basis of establishing an observation decoupled state space model of multi-machine power systems, and applying the theory of optimal variable aim control ( OVAC), a comprehensive nonlinear control strategy for HVDC and generator excitation is deduced.

通过建立多机电力系统观测解耦状态空间模型，应用最优变目标控制策略推导出HVDC与发电机励磁的综合控制规律。

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The transient stability of interconnected AC system can be improved by the fast response of HVDC.

利用高压直流系统快速控制可以提高与之相连交流系统的暂态稳定性.

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Combining the advantages of the two kinds of HVDCs, a novel type of hybrid HVDC transmission is proposed, in which at sending terminal the Phase Control Converter ( PCC) is adopted and at receiving terminal the VSC is adopted.

文中提出一种结合二者优点的新型混合直流输电方式，其送端采用传统HVDC的相控换流器，受端采用VSC。

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