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- primary frequency test 一次调频
- 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
- Multifunction for frequency test, period test, crystal oscillation test and frequency calculation. 多功能设计,具测频,测周期,测晶振及计数功能。
- Multifunction for frequency test, period test, crystal oscillation test, frequency calculation and 13M output test. 多功能设计,具测频,测周期,测晶,振计数及特有13M输出测试功能。
- 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。
- Then the parameterand implement frame of variable frequency test system are dis cussed. 对变频试验系统的参数和实际组件进行了讨论。
- 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。
- This paper intends to introduce a method of frequency test of various circuits of type 8031 SCP and its application in the comprehensive figure display instrument of tower cranes. 本文介绍8031单片机多路测频的一种方法及其在塔吊综合数显仪中的应用。
- 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。
- Multifunction for frequency testing, accumulation frequency and crystal frequency. 具备频率,累计频率及晶体频率的多项测量功能。
- The signal frequency tested is computed according to the wide of the match strobe gate and the pulse number of pulses tested in the match strobe gate. 用频率计内部高频时钟测量匹配选通门宽度,计算被测信号频率。
- Research on Primary Frequency Modulation Loop 一次调频回路的探讨
- Ultra- low Frequency Test of HV Power Cable 高压电力电缆超低频试验
- primary frequency control system 一次调频系统
- multiple period synchronization frequency test 多周同步测频
- primary frequency modulation function 一次调频
- transistor characteristic frequency test 晶体管特征频率测试仪
- The disease is still in its primary stage. 这疾病仍然在初发阶段。
- Auxiliary Primary Frequency Regulator (APFR) 辅助一次调频