| 1. | Sharing and publishing of fault data is a function that a recorder should have 录波数据的共享和对外发布是一个录波器系统应具有的功能。 |
| 2. | The increasingly complexity of power system requires more higher demand to fault recorder which is as necessary tool as power system fault analysis 作为电网故障分析必不可少的故障录波器,电网的日趋复杂化对其性能提出了更高的要求。 |
| 3. | From march 2002 to present , wuhan hathaway , a sino - american joint venture invested by danaher , in charge of electric power fault recorder sales work in central china 002年3月至今,武汉哈德威电力监控系统有限公司一家由美国丹纳荷公司投资的合资公司,主要负责电力系统监测设备故障录波器在华中地区的销售工作。 |
| 4. | Test results show that the modified embedded zerotree coding method is effective for power system malfunction data compression , and that the embedded property is very helpful for improving fault record performance 仿真实验表明,改进后的嵌入式零树编码方法对电力系统故障数据压缩十分有效,并且其嵌入式的特性提高了故障录波器的性能。 |
| 5. | In this thesis , the feature of fault information on hv transmission network has been firstly studied . a method of analysis and diagnosis on the network fault which based on fault recorder information associated with the network is proposed 本文首先研究了高压输电网故障信息的特点,提出了基于故障录波器故障录波信息联网组成的电网故障分析与诊断系统的方案。 |
| 6. | The amounts of fault signal records are increasing rapidly with the elevation of fault monitoring level , which leads to troubles for data transmission and storage , therefore the research of data compression is paid more and more attention 摘要随着对电力系统故障过程监控水平要求的逐步提高,急剧增大的故障录波器数据量给数据传输和储存带来了很大的困难,因此数据压缩也越来越受到人们的关注。 |
| 7. | According to these problems , the paper bring out a new - type fault recorder scheme based on ethernet communication and dsp , this scheme adopts many advanced technologies and development flat roofs , such as gps , embedded microcomputer and dsp 本文针对以上缺点,利用全球定位系统( gps ) 、嵌入式工控机、数字信号处理器等先进技术和开发平台,提出了一种基于以太网通讯和dsp的新型的故障录波器方案。 |
| 8. | In the test period , the introduction of ac sampling and faulty wave record ensured veracity and continuity of the data . dynamic simulation system is classified by object - oriented method , and independent objects are accomplished by com component , and then software and hardware are united perfectly 在测试中采用交流采样技术和故障录波器,保证了数据准确性和连续性,软件平台中用面向对象的分析方法对动模系统分类,独立对象由com组件完成,实现了硬件与软件的完美统一。 |
| 9. | The communication and data processing system of the traditional fault recorder usually base on serial port and single - chip processor . they always have low speed and bad reliability , so these kinds of recorder ca n ' t get record data at real - time and ca n ' t take effect enough as the guarantee of the power system ' s safe operation 早期微机故障录波器的通讯及数据处理系统多采用串口通讯和单片机,其速度慢、可靠性不高,无法实时的得到录波信息而发挥录波器在电力系统安全运行中应有的作用。 |
| 10. | Picep eliminated the drawbacks existing in traditional measurements ( using light oscilloscope , magnetic tape machine and fault wave recorder ) , such as failure to start automatic recording , low acquisition speed , less synchronous recording channels , joint grounding of channels and less analysis functions for electrical parameters acquired , etc . picep meets the requirements of both production and r & d need of power system Picep解决了传统方法试验方法(光线示波器、磁带机、故障录波器)中不能自动启动记录、采集速度低、同步记录通道少、各通道共地、对测得的电气参数软件分析功能少等弊端,满足了电力系统生产实际和科研的需要。 |