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- 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。
- 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。
- 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 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。
- all digital DC transmission system 全数字直流传动系统
- 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。
- multi-terminal DC transmission system 多端直流输电系统
- Research on Back-to-Back DC Transmission System's Limit Circuit Current 背靠背直流输电系统限制短路电流的研究
- In the system,Intel 80C196MC is used as control center and IPM is used as an intelligent power device in the main circuit of AC DC AC voltage type inverter. 该系统以80C196MC为控制核心,采用IPM智能功率模块为功率元件,组成了交?直?交电压型逆变器主回路。
- 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。
- Design of Filtering Scheme at Valve Side of DC Transmission System Based on Novel Converter Transformer 基于新型换流变压器的直流输电系统阀侧滤波方案的设计
- Characteristics of Reactive Power Compensation of Valve Winding of a Novel DC Transmission System 新型直流输电系统阀侧绕组无功补偿特性分析
- DC motor speed to achieve the first to convert AC DC, which requires rectification circuit. 要实现直流电机调速首先要把交流电转换为直流,这就需要整流电路。
- PWM microelectronic c ontrol technique and AC DC AC DC invert technique with MOSFET half bri... 具有短接限流、限时衰减和恒流、恒压相结合的特点。
- The effects of inductance and capacitance make it necessary to carefully design all AC transmission systems. 电感和电容的影响,使人们必须精心地设计所有的交流输电系统。
- Shanghai TOP Fluid Transmission System Co., Ltd. 上海特普流体传动系统有限公司。
- Realization of Wireless Video Transmission System. 一种无线视频传输系统的实现。
- The transmission system needed it's annual check. 传动系统需要每年检修。
- 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。
- Violent power oscillation will occur in independent AC DC combined power supply and may hamper the normal operation when the parameters of the generator and the DC motor load do not match. 交直流一体独立发电机系统在发电机和负载参数不满足一定条件时 ,会发生发电机和反电势负载之间的大幅度功率振荡 ,破坏系统的正常工作。