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- Warent frequency regulator 华伦式频率调节器
- This paper introduces a simple, reliable AC power supply with constant voltage and frequency. The supply consists of a DC motor-AC generator set, a automatic voltage regulator (AYR), and a automatic frequency regulator (AFR). 本文介绍一种简单可靠的恒压恒频交流电源装置;它由直流电动机-交流发电机组、自动电压调节器AVR及自动频率调节器AFR组成.
- Motor-generator Set and Frequency Regulator 电动发电机组及自动频率调节器
- Auxiliary Primary Frequency Regulator (APFR) 辅助一次调频
- 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。
- 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。
- He varied the transmission frequency. 他变换了无线电传送的频率。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- primary grid frequency regulation 一次调频
- frequency regulating transformer 调频变压器
- Frequency Regulation and Network Keying 频率调节和网络连接
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
- peak and frequency regulation power plant 调峰调频发电公司
- peak regulation and frequency regulation 调峰调频
- International Frequency Regulation Board 国际频率校准委员会
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- frequency regulation arrangement 频率调节装置
- Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
- frequency regulation power plant 调频电厂
- primary frequency regulation (PFR) 一次调频
