With the increasing rating and improved performance of self-commutated semiconductors, Voltage Source Converter ( VSC) based HVDC ( VSC-HVDC) has been realized.

1、

This paper describes a cooperative control scheme for a dc two-terminal system consisting of voltage-source self-commutated converters.

本文描述了一种由压源自整流变换器构成的双端直流系统的合作控制方案。

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2、

The novel soft starter based on self-commutated devices was studied.

研究了基于自关断器件的新型软起动。

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3、

Preparation and Characterization of Surface Reactable Modified Silver Nanoparticles

可反应表面修饰银纳米颗粒的制备与结构表征

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4、

Synthesis, Characterization and Tribological Properties of a Reactable Nano-Silica

一种可反应性纳米SiO2的制备和表征及其摩擦磨损性能研究

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5、

The Technological Transformation of the Exciting Discs in 404, 301 ventilators in Yungang Mine

云岗矿404、301通风机励磁盘的技术改造

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6、

Like many Wenzhou businessmen, the Yungang Mine owner borrowed money from friends and relatives rather than a bank.

与许多温州商人一样，云冈煤矿矿主的投资资金是向亲戚朋友、而不是向银行借的。

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7、

The Symposium on marine resource chemistry Lian Yungang

发展科学技术开发海洋资源&海水化学资源专题座谈会在连云港召开

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8、

The Analysis and Strategies of the Ash Plugging of Rotator Air-preheater of the Yungang Thermal Power Plant

某热电回转式空预器堵灰原因分析和对策

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9、

Bring the Yungang Appropriation Railroad Crawls Length under Control

云冈专用铁路钢轨爬行的治理

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10、

The paper introduces comprehensive treatment about the environmental protection of the Yungang mine area in the Datong Coalmines Group Co.

对大同煤矿集团公司云冈矿环境保护方面的综合治理进行了介绍。

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11、

Research on Characteristic of Conglomerate Layer K21 in Yungang Ditch

大同矿区云冈沟K21砾岩层特征研究

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12、

The paper analyses existing problems of flow of slurry of the Yungang Coal Preparation Plant and puts forward the solution.

分析了云冈矿洗煤厂煤泥水处理工艺在生产中存在的问题的主要原因，提出了解决问题的方法和思路。

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13、

All this provides important tangible data for the research of many aspects of the Yungang Grottos.

为云冈石窟诸多领域的研究提供了重要的实物资料。

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14、

Reconstruct of panel ventilation system in Yungang mine

云冈矿盘区通风系统改造

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15、

The necessity of under river mining in Yungang Mine and its mining selecting

云冈矿河下采煤的必要性及采煤方法选择

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16、

The Earth Site Damage Investigation and Conservation Measures for in Yungang Fortress

云冈堡土遗址病害调查及其防治措施建议

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17、

Problems and Solution Option Study on Boiler Slagging of Yungang Cogeneration Power Plant

云冈热电锅炉结渣问题解决及其试验研究

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18、

Cleaning of Direct Air-cooling System of Unit 1 in Yungang Power Plant

云冈热电1号机组直接空冷系统的冲洗

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19、

Disposal Techniques of Flow of Slurry of Yungang Coal Preparation Plant

云冈矿洗煤厂煤泥水处理工艺

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20、

Function of Air-cooled Condenser Control System in Yungang Power Plant

云冈热电直接空冷控制系统功能设计

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