EDN

Using IGBT thermal calculations to optimize power designs

Calculating the junction temperature for most semiconductor devices is a well known process. Typically, the case or lead temperature is known. The power dissipation of the die is measured and ...
Machine Design

Revised duty cycle calculations using the four-parameter thermal model

High-performance motion control demands compact and economical servomotors. Fortunately, because most servo applications only intermittently demand maximum continuous-torque motor output, a smaller ...
Oil

Calculations help determine carbon steel piping in cold temperature relief service

Gas processing facilities may have flare or vent systems that occasionally handle cold relief flows for short periods of time. Although nonimpact-tested carbon steel piping is not typically used for ...
Purdue University

Calculating Greenhouse Heating Requirements

Winters in the mid-west are generally harsh. The daily average temperature during winter months (Nov. to Feb) in Indiana is 33.6 o F. This temperature is significantly lower than the optimal growth ...
EDN

Single-channel power supply monitor with remote temperature sense, Part 1

To make a remote temperature sensor with the LTC2970, run two different currents (ILOW and IHIGH) through the transistor and measure VBE at both currents (VBE_LOW and VBE_HIGH). The difference between ...