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3 pages Sample 2
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... reactions to electrical potential energy between the battery terminals. This potential energy can be converted to other useful forms of energy (heat, light, sound etc.) when an electronic circuit is connected across the terminals. The electronic circuit provides a conducting path between the opposit ...
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... better understanding of its working [1-6].In this paper, a step-by-step procedure for simulating PV module with simple subsystem blocks, with user-friendly icons and dialog in the same way as Matlab/ Simulink block libraries is developed. The step-by-step modelling procedure of PV module as well as ...
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Opto-isolator



In electronics, an opto-isolator, also called an optocoupler, photocoupler, or optical isolator, is a component that transfers electrical signals between two isolated circuits by using light. Opto-isolators prevent high voltages from affecting the system receiving the signal. Commercially available opto-isolators withstand input-to-output voltages up to 10 kV and voltage transients with speeds up to 10 kV/μs.A common type of opto-isolator consists of an LED and a phototransistor in the same opaque package. Other types of source-sensor combinations include LED-photodiode, LED-LASCR, and lamp-photoresistor pairs. Usually opto-isolators transfer digital (on-off) signals, but some techniques allow them to be used with analog signals.
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