Single-point measurement localization of prevailing harmonic sources in a power system

2012 ◽  
Author(s):  
Kazimierz Wilkosz
Keyword(s):  
Power System ◽  
Single Point ◽  
Point Measurement

Laser Timing Probe with Frequency Mapping for Locating Signal Maxima

2009 ◽  
Author(s):  
L.S. Koh ◽  
H. Marks ◽  
L.K. Ross ◽  
C.M. Chua ◽  
J.C.H. Phang
Keyword(s):  
Response Time ◽  
Continuous Wave ◽  
Single Point ◽  
Point Measurement ◽  
Cw Laser ◽  
Measurement Capabilities

Abstract A Laser Timing Probe (LTP) system which uses a noninvasive 1.3 µm continuous wave (CW) laser with frequency mapping and single point measurement capabilities is described. The frequency mapping modes facilitate the localization of signal maxima for subsequent single point measurements. Measurements of waveforms with long delays and 50 ps response time from NMOS and PMOS transistors are also shown.

A Heat Pipe Cooled Modular Reactor Concept for Manned Lunar Base Application

2013 ◽  
Author(s):  
Gu Hu ◽  
Shouzhi Zhao ◽  
Zhiyong Sun ◽  
Chengzhi Yao
Keyword(s):  
Power System ◽  
Heat Pipe ◽  
Fast Reactor ◽  
Waste Heat ◽  
Single Point ◽  
Liquid Coolant ◽  
Thermoelectric Conversion ◽  
Low Mass ◽  
Long Lifetime ◽  
Base Application

A lithium heat pipe cooled modular fast reactor (HPCMR) power system concept has been developed for manned lunar base application. The system is designed to use the static thermoelectric conversion module to produce over 100kW electricity for up to ten years. Waste heat is rejected by potassium heat pipe radiator. This system has advantages of low mass, long lifetime, no pumped liquid coolant, and no single point of failure. Main parameters of the system are also given in this paper.

Probe Mobile Device Design Based on a Weak Magnetic Detection Technology

2014 ◽  
Vol 800-801 ◽  
pp. 771-775
Author(s):  
Feng Yun Yu
Keyword(s):  
Mobile Devices ◽  
Mobile Device ◽  
Simple Structure ◽  
Single Point ◽  
Dual Use ◽  
Point Measurement ◽  
Screw Drive ◽  
Detection Technology ◽  
Transmission Part ◽  
Magnetic Detection

Design and calculation of dual-use spiral mobile devices for horizontal and vertical, according to the principle of screw drive meet the needs of the weak magnetic detection technology. The device consists of the support part, guide part and transmission part, simple structure, may be supporting the use with weak magnetic equipment for the handheld single point measurement, and drive probe mobile to complete the measurement and maintained liftoff value unchanged in mobile. Carry on a large number of weak magnetic detection experiments using the device, the results proved that this probe mobile device easy to use, reliable mobile precision to meet the testing requirements.

A Solution for Single Point of Failure of Cloud Computing Platform in Electric Power Corporation

2014 ◽  
Vol 519-520 ◽  
pp. 1325-1328
Author(s):  
De Wen Wang ◽  
Xiao Meng Liu
Keyword(s):  
Cloud Computing ◽  
Power System ◽  
Electric Power ◽  
Information Integration ◽  
Single Point ◽  
Electric Power System ◽  
High Availability ◽  
Computing Platform ◽  
Recovery Times ◽  
Cloud Computing Platform

For the lack of computing, storage, information integration and other aspects in traditional electric power computing platform, it is necessary to introduce cloud computing to it and to build a cloud computing platform based on open source Hadoop to meet the requirements of smart grid. As the single point of failure of Hadoop cannot guarantee the high availability that electric power system requires, this paper gives a solution that based on hot standby mechanism and automatically failover controlled by Zookeeper, analyses availability and disaster recovery times to ensure the electric power system provides fast and accurate service.

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