A control system includes a rectifier bridge including a heat sink having a temperature, and also including an SCR having a gate. The SCR thermally engages the heat sink. A circuit controls the rectifier bridge through the gate of the SCR. An RTD circuit measures the temperature of the heat sink. A circuit...http://www.google.com/patents/US6614639?utm_source=gb-gplus-sharePatent US6614639 - Control system including rectifier and method for controlling rectifier bridge by disabling gating of semiconductor device based upon heat sink or junction temperature