Title :
Automatic testing system for parameters of high-current thermoprotector
Author :
Wei, Yanhong ; Xu, Chang
Author_Institution :
Coll. of Mech. & Electr. Eng., China Jiliang Univ., Hangzhou, China
Abstract :
The testing system for parameters of high-current Thermoprotector uses PLC as its core equipped with touch display screen and micro-printer. It also employs constant-current electronic load to supply constant high-current (100A), and utilizes hall element to convert current signal to voltage signal fed backed to PLC, which record the trip time or recovery time of thermoprotector. It can test whether the thermoprotector´s insulation resistance is qualified, while the chattering can be detected. The system can test several parameters accurately and simply, and provide the function of data statistics, print and product sorting which enhance the work efficiency.
Keywords :
automatic testing; constant current sources; electric resistance measurement; feedback; programmable controllers; PLC; automatic testing system; constant high-current; constant-current electronic load; data statistics; hall element; high-current thermoprotector parameters; insulation resistance; microprinter; touch display screen; Automatic testing; Circuit testing; Consumer electronics; Current measurement; Electrical resistance measurement; Insulation testing; Programmable control; System testing; Time measurement; Voltage; constant-current electronic load; high-current thermoprotector; trip time;
Conference_Titel :
Electronic Measurement & Instruments, 2009. ICEMI '09. 9th International Conference on
Conference_Location :
Beijing
Print_ISBN :
978-1-4244-3863-1
Electronic_ISBN :
978-1-4244-3864-8
DOI :
10.1109/ICEMI.2009.5274812
