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- HVDC transmissionsystem 高压直流输电系统
- It will be a bipolar HVDC system using two cables. 它是一个使用双线的双电极HVDC系统。
- Finally, the maintenance experiences on-the-spot for HVDC conver... 最后介绍了一些高压换流变压器的现场维修经验。
- Commutation failures are one of the common faults in HVDC systems. 换相失败是直流系统的最常见故障之一。
- Back to back HVDC system had been used to join AC systems. 背靠背高压直流输电(HVDC)系统已经在交流系统连网中得到了应用。
- The capacitor commutated converter HVDC is one of HVDC development. 电容器换相高压直流输电(CCC-HVDC)是高压直流输电发展的一个方向，近年来得到了人们越来越多的重视。
- 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。
- 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。
- Then the feature and restraint of the harmonic waves of HVDC is also studied. 同时也对HVDC系统交直流侧谐波特征及抑制问题进行了研究。
- In future, several HVDC systems will set in Shanghai, which is expected to create a multi-inked HVDC system. 摘要未来多个直流输电系统落点于上海地区，将构成多馈入直流输电系统。
- The use of thyristor valves has increased the reliability of HVDC converters to impressive levels. 晶闸管换流阀的采用已将高压直流换流器的可靠性提高到相当惊人的水平。
- 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。
- In 1999, the Philippines? National Power Corp began to make a planning of building a new 500 kV transmissionsystem in Northwestern Luzon, in order to supply sufficient power for their economy development. 菲律宾国家电力公司1999年开始计划建设1条新的500kV输电线路,为其经济发展提供充足的电力。
- HVDC lines can transmit greater amounts of power for a given right-of-way than AC lines. 对于给定的线路走廊,高压直流线路比交流线路能输送更大的功
- 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 Voltage Direct Current,HVDC)系统的关键技术之一。
- The reliable HVDC pole blocking universal criteria are studied, initiated and applied in the stability control system. 研究并提出了可靠的直流极闭锁综合判据，并将其应用到稳定控制系统。
- KEYWORDS: HVDC transmission; current of ground electrode; power transformer; DC magnetic biasing; noise. 关键词：高压直流输电；接地极地电流；电力变压器；直流偏磁；噪声。
- 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。
- UHVDC transmission is a further development of HVDC, a technology pioneered by ABB more than 50 years ago. 超高压直流传输技术是对ABB在50多年前首先开创的高压直流传输技术的一个继承发展。
- The results also provide a theoretical reference for selection of substations near the HVDC ground electrode. 研究结果为实际工程中直流接地极附近变电站选址提供理论参考。
