| 1. | Primary frequency regulation was selected as effective solution
选定利用机组一次调频功能为主要解决方案。 |
| 2. | Configuration principle and function realization of 135mw units ' primary frequency regulation
机组一次调频组态原理与功能实现 |
| 3. | Frequency regulation frequency regulation is a measure that states the difference between no - load and full - load frequency as a percentage of full - load frequency
频率调整率频率调整率是指空载和满载之间频率的差别与满载频率的百分比。 |
| 4. | The design , commissioning and application of variable frequency regulation system for drain pump of no . 2 low - pressure heater of no . 4 generator ( 200 mw ) in jingmen thermal power plant were introduced
摘要介绍了荆门热电厂4号机组( 200mw )采用的2号低压加热器硫水泵变频调节系统的设计、调试及应用情况，该系统克服了传统的定速调节的诸多弊端，取得了很好的经济效益。 |
| 5. | Following this conclusion , various kind of ac speed control rules have been analyzed with the favor given to the self - controlled frequency regulation drive . machine model for doubly fed power generation has been given and control equations are discussed
其次，借鉴各种交流调速方法，研究电机双馈发电运行的模型和控制手段，采用自控式调频，提出了绕线转子双馈发电机的矢量控制策略。 |
| 6. | But it also bring some important questions which affect the safety and economy running of the units , such as frequency regulation , long running with low loads , electric equipment and assistant equipment friction , oil wasting etc . the text apply differential increcent rate of equilateral discharge to analyze deeply the economy of hydro - power plant according to the practice data of the plant , putting forward the resolvation , providing indeed the theoretic feasibility investigation of engineering
但由此带来的水电机组的频繁调节、长时间带低负荷运行以及电气设备和辅助设备的磨损和油耗的增加等，都成为影响水电机组长期安全、经济运行的不可忽视的重要问题。本文根据安徽陈村水电厂实际资料，运用等微增率方法对agc投入后水电站厂内运行经济性作了深入的分析，提出了解决办法，为在工程上真正实现提供了理论上的可行性研究。 |
| 7. | Analysis of dynamic frequency process of power system is basis of system performance research 、 design of under frequency load - shedding scheme and evaluation of different measure of voltage regulation and frequency regulation . with development of power system , there are more and more factors that affect dynamic frequency characteristics which make it more and more complicated . the method which use single - generator - to - load model to analyse frequency dynamics can not suit for actual system
随着电力系统的发展，影响动态频率特性的因素越来越多，动态频率特性日趋复杂，用传统的单机模型分析系统动态频率特性的方法已不能适应实际系统的需要，迫切需要对现代电力系统中影响动态频率特性的因素进行分析。 |
| 8. | Static benefits are generated from peaking and valley - filling , which are further divided into capacity benefits and coal saving benefits . dynamic benefits come from its fast starting and flexible operation , including frequency regulation , synchronous condenser operation , fast coverage of steep load gradient and synchronous spinning reserve . as for the calculation of static benefits of pumped storage plant , the alternative coefficient method is normally adopted at present
目前在抽水蓄能电站的静态效益计算中，一般采用替代系数法，即用抽水蓄能电站的装机容量乘以容量替代系数( 1 . 05 1 . 1 )计算抽水蓄能电站的替代容量；用抽水蓄能电站的发电量乘以电量替代系数( 1 . 05 )计算替代电站的发电量，再根据循环效率的大小计算抽水蓄能电站的燃料消耗。 |
