ET 252 Solar Cell Measurements Didactic Equipment Vocational Training Equipment Renewable Training Equipment
Investigation of the properties of solar cells; objective measurements by extensive temperature control of solar cells Features - four solar cells and bypass diodes that can be freely interconnected - regulated Peltier module for controlling the solar cell temperature - adjustable illuminance - software with tutorials and data on load profiles for recording characteristic curves Learning objectives/experiments - physical behaviour of solar cells under varying illuminance and temperature - recording of current-voltage curves - calculating current strength and achievable output based on the single diode model - how illuminance and temperature affect the curves - interconnecting solar cells in parallel and series connection - effect of bypass diodes - power degradation due to shading Specification [1] trainer for solar cell measurements [2] four monocrystalline silicon solar cells [3] lighting unit with adjustable illuminance [4] backing for solar cells with Peltier module for regulating temperature [5] patch panel with bypass diodes and adjustable load resistance for selectable types of connection with individual cells [6] function for automated measuring of characteristic curves [7] reference cell as illuminance sensor [8] software for data acquisition via USB under Windows 10 [9] software with operating status display and tutorial feature Technical data Cell type: monocrystalline Cell size: 125x125mm Typical characteristics of a cell - fill factor: 76% - max. output: 2,45W - current at max. output: approx. 4,8A - voltage at max. output: approx. 0,5V - short-circuit current: approx. 5,4A - open-circuit voltage: approx. 0,6V Peltier module: 20°C...60°C Lighting unit: 4x 100W 230V, 50Hz, 1 phase 230V, 60Hz, 1 phase 230V, 60Hz, 3 phases UL/CSA optional LxWxH: 1610x800x1480mm Weight: approx. 130kg
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