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- Primary Frequency Generator 基本频率发生器
- In order to reinforce the frequency stability of Yunnan power grid, the update and field tests of generator primary frequency control function have been carried out since 2005. 为提高云南电网频率稳定性,从2005年开始,并网发电机组的一次调频功能规范完善工作逐渐展开。
- The practices of primary frequency modulation, OPC and FCB in Baosteel Power Plant were reviewed to explain the function of plant control in alleviating system failure. 就一次调频、OPC、FCB等电厂控制方案在上海宝钢电厂的实践展开讨论,以说明完善的电厂控制可减轻电网故障程度。
- In view of serious insufficiency in primary frequency in Sino-Foreign Joint Venture Hefei No.2 Power Plant, the program of primary frequency is retrofitted. 摘要针对中外合资合肥第二发电厂1%23机组一次调频功能出现的一些问题,对一次调频程序进行了优化。
- Combining the branching error with the interruption handling as well as reducing the logic complexity are good for realizing and increasing the primary frequency. 同时因为将分支错误与中断处理结合起来,又减少了逻辑的复杂度,更利于实现和提高主频。
- Purpose: Audio frequency general purpose ,driver stage amplifier applications. 用途:用于音频放大,激励级放大。
- In the process of maintaining and upgrading 8410 ICP direct reading spectrometer, maintaining and adjusting of -145 V switching power supply of ICP high frequency generator are often required. 摘要在维修和改造8410型电感耦合等离子体直读光谱仪过程中,经常需要对ICP高频发生器中的开关电源进行维修和调整。
- A kind of cost-effective and high performance inverter for portable immediate frequency generator was develoed combining the dual phase-shifted SPWM control strategy with digital SPWM modulator. 将二重移相SPWM控制策略与数字式SPWM调制器相结合,研制了一种适用于便携式中频发电机的低成本、高性能逆变器。
- The conclusions are (1) The scale factor of frequency between large and small perspex model test accord with similitude law basically. The error of primary frequency is 2.7% or 4.1%, the error of the second frequency is 0 or 6.05%. 得到了以下结论:(1)大小模型频率符合相似律;一阶频率误差为2.;7%25、4
- Voltage and frequency generated by synchronous generator vary along with the wind variation, so the power must be dealt with before it is applied to grid. 同步直驱风力发电系统的定子电压和频率随风速的变化而变化,需要经过一系列控制电路的调整才能并网。
- The heterodyning principle is well known in nonlinear optics as difference frequency generation (DFG). 在非线性光学领域,超外差原理就是著名的差频产生(DFG)技术。
- High Stability Synthesizer High Frequency Generator 高稳定度频率合成高频信号发生器
- Research on Primary Frequency Modulation Loop 一次调频回路的探讨
- bipolar high frequency generator 双极高频发生器
- primary frequency control system 一次调频系统
- It is proved that the multi-reflection of F-P cavity has little influence on the measurement of vibration with a frequency generally not higher than some dozen kilohertz. 发现透射响应比反射响应有微小延时,证明了F-P腔的多次反射原理对于一般频率不超过几十千赫兹的振动信号的测量没有影响。
- helical explosive magnetic frequency generator 螺旋型磁频率发生器
- primary frequency modulation function 一次调频
- The disease is still in its primary stage. 这疾病仍然在初发阶段。
- frequency generator frequency doubler 频率发生器倍频器