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- AC synchronized power grid 交流同步电网
- The rationality, technical feasibility and comprehensive profits of the UHV synchronous power grid composed by North China power grid, Central China power grid and East China power grid are analyzed. 对华北一华中一华东特高压同步电网的合理性、技术可行性以及电网综合效益进行了分析。
- 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。
- China Southern Power Grid Corporation Ltd. 中国南方电网有限责任公司。
- We mensure voltage、current、frequency and power by using AC synchronized sample technique.We multifrequency and conpensate the sample signal to reduce the errors caused by the change of frequency. 控制器采用交流同步采样方法测量电压、电流、频率、功率等电气量,通过软件对采样信号进行倍频和补偿,以减小频率变化对测量结果造成的误差。
- With the development of power grid, multi-infeed HVDC (MIDC) embedded in one AC system has emerged in south China power grid and east China power gird. 随着我国电网的发展,南方电网和华东电网出现了多馈入交直流系统。
- The regional load margin index(I RLM) is defined,with which the static voltage stability of Guangdong AC / DC hybrid power grid in 2005 is studied. 为了进行风电并网后电力系统电压稳定性的评估,利用具有概率特征的负荷裕度指标,提出了一种含风电场电力系统电压稳定概率分析的混合方法。
- The calculations of DC currents through the neutrals of transformers are matched to the measures, taking into account complex soil model and AC power grid. 根据复合土壤模型和交流电网模型计算得到变压器中性点流过的直流电流,和实测值相符合。
- The East China Power Grid, which has multi-infeed HVDC systems and EHV AC systems, is facing security and stability risks due to its operational complexity and difficulties. 摘要含多馈入直流输电系统和特高压交流联网的华东电网,其运行复杂性和难度使电网安全稳定面临风险。
- In charge of the topics on wind power grid integration study. 负责风电接入电网分析方面的课题。
- Hit by the heavy storm, the power grid can not function properly. 受到暴风雪的影响,电力网不能正常运作了。
- Demand-side management (DSM) can improve power grid load property. 电力需求侧管理有改善电网负荷特性的作用。
- Computers are employed to monitor and control the power grid. 使用电子计算机对电网运行状况进行监控。
- C.Many switched to electric heaters, overloading the power grid. 许多家庭开始使用电加热器,造成电网超负荷运作。
- Mainly of three - phase structure, good for power grid balance and mass usage. 以三相结构为主,有利于电网平衡和批量使用。
- Another threat to electricity supply comes from the power grid itself. 电力供应的另外一个威胁则来自于电网本身。
- The instable voltage of power grid shortens the service life of street lamps. 电网供电电压不稳定,致使路灯的使用寿命缩短。
- The suggestion for the innovation on Xiangfan power grid was put forward. 提出了对相关电网的改造建议。
- the infuence of AC electric power grid 交流影响
- Once when the local power grid failed,Young recalls,the rain forest shot from 85 to 120 degrees F in just 15 minutes. 扬回忆到,本地的高压输电网曾经无法正常运转,结果热带雨林的温度在15分钟之内从华氏85度窜升到120度。