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- This has prompted system designers to consider underground AC or DC transmission by cable. 这就促使电力系统设计者考虑采用电缆由地下交流或直流输电。
- UHV 1,000 kilovolt power grid refers to plus or minus 800 kV AC and DC transmission network. 特高压电网是指1,000千伏交流和正负800千伏直流输电网络。
- The DC transmission power flow can be modulated to dampen the oscillations and increase their power-carrying capability. 直流输电的潮流可被调制以阻尼振荡并提高功率承载能力。
- It should be noted that the DC transmission system does not contribute to the fault current flowing in the AC system5 during the AC faults. 应注意到,直流输电系统并不会增加交流系统故障时的故障电流。
- A DC transmission line is inherently an asynchronous tie that is insensitive to the power angles and frequencies of the interconnected AU systems. 直流线路属于一种对所被联接交流系统的功角和频率不敏感的异步联接。
- With the development of EHV/UHV DC transmission projects, it is inevitable to study DC pollution flashover performance of long insulator strings. 超、特高压直流输电的发展需要对长串直流绝缘子污闪特性研究。
- The system in China will be the first in the world to transport electricity at a DC transmission voltage of +/- 800 kilovolt (kV). 该系统不但是在中国更是在世界上首次运输电力的直流输电电压为+ / -8 00千伏(千伏) 。
- DC transmission line is inherently an asynchronous tie that is insensitive to the power angles and frequencies of the interconnected AU systems. 直流线路属于一种对所被联接交流系统的功角和频率不敏感的异步联接。
- Compared to it, the cost and expenditure of DC transmission line is lower and the latter is possible to use cable underground or on seabed. 与交流输电相比,直流输电的线路造价和运行费用较低,而且直流输电更易于实现地下或海底电缆输电。
- The general situation of converter transformer and smoothing reactor is presented. The development of light DC transmission technilogy is prospected. 摘要介绍了换流变压器和平波电抗器的概况,展望了轻型直流输电技术的发展。
- The transformer will be used in the “Yunnan-Guangdong” high-voltage DC transmission system (HVDC) in China, one of the two HVDC systems with the highest rated capacity in the world. 变压器将被用于中国的“云南,广东”高压直流输电系统(直流),这个是世界上一个高压直流输电系统的最高额定容量。
- The monopolar ground circuit operation mode of DC transmission system gives rise to excessive vibration and noise of some transformers in the power grid,which impacts the safety of equipment. 直流输电系统单极大地回路运行方式导致电网部分变压器振动加剧,噪声增大,影响了设备安全。
- The study of voltage stability about multi-infeed DC transmission systems is a new research field, so that voltage instability may probably threaten the security and stability of power grid. 多直流馈入输电系统的出现给电压稳定研究带来了全新的课题,电压失稳有可能成为这类电网安全稳定运行的最大威胁。
- Abstract : There are many EHV/UHV DC transmission projects under design or construction all over the world.Air gap length of transmission tower is an important parameter in project design. 摘要 : 目前国内外规划和建设了多个超/特高压直流输电工程,其中输电线路杆塔塔头的空气间隙距离是影响工程设计的重要参数之一。
- multi-terminal DC transmission system 多端直流输电系统
- the convertor of DC transmission 直流输电变换器
- large-capacity AC & DC transmission 大容量交直流输电
- The line AB cuts the line DC at the point E. AB线和DC线在E点相交。
- The paper introduces the structural features of 6RA24 DC transmissive device and the situation of the device applied in mine hoist.The contrast with the traditional transmissivc device is carried out. 介绍了6RA24直流传动装置的结构特点和在矿井提升机上的应用情况,并与传统的直流传动装置进行了对比。
- A 4-speed automatic transmission is optional. 四段自动变速器是可自由选择的。