FIELD: thermoelectric energy conversion; thermoelectric module quality evaluation.
SUBSTANCE: module is installed in measuring-temperature cabinet and connected to measuring circuit. Low ac current is supplied to module for resistance measurements and low dc current, for thermoelectric quality evaluation until steady state Seebeck voltage is set up; time constant of thermoelectric module is found by measuring time interval between low dc current supply to module and steady state Seebeck voltage set-up moment. Results obtained are compared with standard values. Comparison results are used for diagnosing thermoelectric module quality.
EFFECT: enhanced reliability and precision of control; enlarged functional capabilities for trouble shooting.
1 cl, 4 dwg, 4 tbl
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