An electronic equipment is provided with a semiconductor device including an electrode joined to an electric conductor via a joint layer, a calculator and a controller. The semiconductor device is configured to pass current bidirectionally. The calculator is configured to calculate an imbalance EM progression index. The imbalance EM progression index is a difference between a forward current EM progression index and a reverse current EM progression index. The controller is configured to: adopt a condition to accelerate an increase rate of the reverse current EM progression index in at least a part of an excessive forward current EM period; and adopt a condition to accelerate an increase rate of the forward current EM progression index in at least a part of an excessive reverse current EM period.
Electronic equipment and automobile mounting the same
2018-08-07
Patent
Electronic Resource
English
IPC: | H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H03K PULSE TECHNIQUE , Impulstechnik |
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