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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Jeevan Doss, C.R. Kumaravel, M. George, B. Jagadeesh Kumar, V. |
| Copyright Year | 2012 |
| Description | Author affiliation: Department of Electrical Engineering, IIT Madras, Chennai 600036, India (Kumaravel, M.; George, B.) || Central Electronics Centre, IIT Madras, Chennai 600036, India (Jeevan Doss, C.R.; Jagadeesh Kumar, V.) |
| Abstract | An innovative method for determining the junction temperature TJ as a function of the cell voltage V of a photovoltaic (PV) cell for varying operating power levels at pre-determined values of irradiation levels is presented. Since the junction of a PV cell that is in operation is inaccessible for obtaining a measure of TJ, a novel indirect temperature measurement method suitable for determining the TJ is proposed in this paper. The electronically controllable load required to establish different operating power levels for obtaining the TJ - V characteristic of a photovoltaic (PV) cell is implemented with a MOSFET, suitably controlled to act as a variable load resistor. Microcontroller based hardware with associated software were developed to automate the entire measurement process. Results obtained from a prototype TJ - V measurement unit built and tested establish the efficacy of the proposed method. |
| Starting Page | 1847 |
| Ending Page | 1850 |
| File Size | 745232 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781457717734 |
| ISSN | 10915281 |
| e-ISBN | 9781457717727 |
| DOI | 10.1109/I2MTC.2012.6229223 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2012-05-13 |
| Publisher Place | Austria |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Temperature measurement Junctions Temperature Voltage measurement MOSFET circuits Photovoltaic systems Open circuit voltage Solar photovoltaic cell Junction temperature MOSFET as Electronic load |
| Content Type | Text |
| Resource Type | Article |
| Subject | Instrumentation Electrical and Electronic Engineering |
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