Design of a Data Analysis Software about On-Board EV Charger Test

2013 ◽  
Vol 718-720 ◽  
pp. 1175-1180 ◽  
Author(s):  
Xiang Wu Yan ◽  
Yan Yan Li ◽  
Ri En
Keyword(s):  
Test Data ◽  
Electrical Performance ◽  
Switching Power Supply ◽  
Analysis Software ◽  
Switching Power ◽  
Automatic Mode ◽  
Testing Data ◽  
And Function ◽  
Test Result ◽  
Manual Mode

Compared with conventional switching power supply, EV on-board charger has more performance indicators and wider output range so the test is more complex. It need set various conditions to test charger electrical performance and the test will generate large volume of data. Although the precision and function of data acquisition equipment have increased dramatically, but the equipment cant directly determine the performance of a charger. Analysis software of the on-board EV charger testing data is developed based on the on-board EV charger testing hardware platform. The real-time database is used in the software for data management and the algorithms are used for analyzing the test data. The user can choose automatic mode or manual mode to achieve the analysis. The software can comprehensively analyze large amounts of test data, so that the test result is more reliable and accurate. Development of the software provides a way for realizing rapid automatic test to on-board charger.

Research on the Data Management of Electric Vehicle Charging Equipment Testing Platform

2014 ◽  
Vol 953-954 ◽  
pp. 1332-1337
Author(s):  
Xiang Wu Yan ◽  
He Chuan Zhang ◽  
Li Na Wang
Keyword(s):  
Data Management ◽  
Test Data ◽  
Electrical Performance ◽  
Functional Requirements ◽  
Switching Power Supply ◽  
Report Generation ◽  
Switching Power ◽  
Management Platform ◽  
Electric Vehicle Charging ◽  
Equipment Testing

Compared with common switching power supply, EV charger has more functional requirements, more severe demands on electrical performance, and wider range of output voltage and current value, what will make the test more complex. Variety of conditions will be set to test the electrical performance of the charger completely, and a large amount of test data will be generated. This article describes the data management platform of EV charging equipment test, which uses real-time database to manage the data. It also detailed introduce data collection and storage, data analysis and report generation and database design of the test platform. The test results show that this system can manage the test data safely, quickly and reliably, providing a convenient and fast way to achieve rapid automated charger test.

The Effect of Power Supply of LED Lamp

2014 ◽  
Vol 548-549 ◽  
pp. 880-884
Author(s):  
Patiphan Kerdlap
Keyword(s):  
Power Supply ◽  
Electrical Energy ◽  
Buck Converter ◽  
Electrical Performance ◽  
Switching Power Supply ◽  
Rectifier Circuit ◽  
Switching Power ◽  
Full Wave ◽  
Higher Power ◽  
Lower Effect

This paper presents the effect of power supply of LED lamp for external lighting are compares with electrical performance, electrical energy saving, illuminance, and the effect of harmonics noise from each power supplies on external lighting with LED. By designing and construct a linear power supply by the full wave rectifier circuit by bridge diode type and switching power supply by buck converter. The result that, the full wave rectifier circuit by bridge diode type was consumed higher power less than buck converter but lower effect of harmonics noise. In additional, as a result will be important data to the education develops and the next research.

The Design of Parallel DC-DC Power

2012 ◽  
Vol 562-564 ◽  
pp. 1472-1475
Author(s):  
Hua Lin Zhang ◽  
Xiao Fang Zhou
Keyword(s):  
Software Design ◽  
Power Supply ◽  
Output Voltage ◽  
Switching Power Supply ◽  
Output Current ◽  
Switching Power ◽  
Dc Power ◽  
Voltage Output ◽  
Parallel Module ◽  
Test Result

With TL494 as the drive chip, MCU controlling output voltage, output current, parallel module average flow, over-current protection, it gives priority to BUCK circuit topology to realize parallel switching power supply. This article introduces the system design, the hardware and software design in detail. Finally a 32W prototype is designed. The test result shows that the design can achieve the preset functions, its performances can meet the requirements and it can work stably.

The Design of 5V/100W High Frequency Switching Power Supply

2013 ◽  
Vol 834-836 ◽  
pp. 1221-1224
Author(s):  
Hong Zhuan Cai ◽  
Li Bai
Keyword(s):  
Power Supply ◽  
High Frequency ◽  
High Efficiency ◽  
Design Method ◽  
Switching Power Supply ◽  
Widespread Application ◽  
Forward Converter ◽  
Switching Power ◽  
Dc Power ◽  
Important Field

Switching power supply is an important field of application of power electronic technology, the high frequency switching DC power supply with high efficiency, small size, light weight and other advantages obtain the widespread application. The application of synchronous rectifier technology, photoelectric coupling isolation technology and the active clamp forward converter design high frequency switching power supply with 16~40V DC input and 5V/100W DC output . its operational principle is analyzed, and using LM5026 control chip describes design method of switching power supply.

Optimum Design of Inductors Used for Wireless Power Transmission Micro-Module

2004 ◽  
Author(s):  
Chao-Liang Chang ◽  
Uei-Ming Jow ◽  
Chao-Ta Huang ◽  
Hsiang-Chi Liu ◽  
Jr-Yuan Jeng ◽  
...  
Keyword(s):  
Thermal Stress ◽  
Electrical Properties ◽  
Optimum Design ◽  
Thermal Loading ◽  
Power Transmission ◽  
Thermal Strain ◽  
Electrical Performance ◽  
Wireless Power ◽  
Wireless Power Transmission ◽  
Analysis Software

The micro-inductor is a key component in wireless power transmission micro modules. In this paper, an optimum design for the micro-inductor was studied and related MEMS fabrication techniques were also developed. Commercial electromagnetic property analysis software, ANSOFT, was used to screen the main design factors of the micro-inductor. It was found that the high inductance and high quality factors of the micro-inductor implied high power transmission efficiency for the micro-module’s wireless power transmission. The electrical performance of the micro-inductor was affected by the thermal stress and thermal strain induced in the operational environment of the wireless power transmission micro-module. In order to investigate the reliability of the micro-inductor, commercial stress analysis software, ANSYS, was used to calculate thermal stress and thermal strain. The deformed model of the micro-inductor was then imported into ANSOFT in order to calculate its electrical properties. Glass substrate Pyrex 7740 was used to reduce the substrate loss of the magnetic flux of the micro-inductor. The surface micromachining technique, a kind of MEMS processing, was chosen to fabricate the micro-inductor; the coil of the micro-inductor was electroplated with copper to reduce the series resistance. The minimum line width and line space of the coil were 20 μm and 20 μm respectively. Polyimide (PI) was used for supporting the structure of micro-inductors. The maximum shear stress was 74.09MPa and the maximum warpage was 2.197 μm at a thermal loading of 125°C. For the simulated data, the most suitable areas for 31-turn and 48-turn coils were at an area ratio of 1.27 and 2, respectively. The electrical properties of the inductors changed slightly under thermal loading.

Design of Road Test and Evaluation System for Vehicle Handling and Stability

2014 ◽  
Vol 505-506 ◽  
pp. 281-285
Author(s):  
Ming Qiu Gao ◽  
Run Qing Guo ◽  
Rong Liang Liang
Keyword(s):  
Data Processing ◽  
Test Data ◽  
Evaluation System ◽  
Test System ◽  
Stability Test ◽  
Road Test ◽  
Vehicle Handling ◽  
Test And Evaluation ◽  
Test Result

Vehicle handling and stability has effect on positive safety of automotive directly. Test system of handling and stability is built for its road test and the test variables signal can be acquired and stored synchronously. Based on MATLAB GUI, software is developed for the test data processing, so that the stored data is to be analyzed and handling and stability test result is given by the software automatically. Using the test system in paper, handling and stability road test of one domestic sedan is fulfilled and scored, which verifies the applicability of the test system and scoring software in paper.

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