Thermal Measurements

DESIGN PHASE:       measurement
SUB ELEMENT NAME:   thermal measurements
VARIABLE NAME:      [HEMTHERM]
DATE:               REVISION LETTER:    REVISION DATE: 
APPLICABILITY:      all circuits (with power devices)

ACTIVITY:  Thermal measurements (thermal couples, etc) of
temperature rise in power devices.

OUTPUT:  Measurements in laboratory notebook for comparison to
specifications and analysis.

ALGORITHM:

[HEMTHERM] =   engineer hours for thermal measurements
[HTMTHERM] =   technician hours for thermal measurements
0.0+           set up time
0.0*           time per thermal measurements
[NTHERM]       number of thermal measurements

[NTHERM] =     [POWER DEVICES]
[POWER DEVICES] number of devices requiring special heat sinking
or special thermal calculations or measurements (power
transistors, power diodes, power transformers, power inductors,
power filter capacitors).

DISCUSSION:

Author: Jerrold Foutz, foutz@smpstech.com

Original: Foutz, J., Power Supply Circuit Development Estimating Aid - An Expert System Application, IEEE Applied Power Electronics Conference Record, New Orleans, February 1-5, 1988. Revised 21 February 2001