Titlebook: Semiconductor Power Electronics; Richard G. Hoft Book 1986 Van Nostrand Reinhold Company Inc. 1986 power electronics

凶兆

Thyristors,hyristor, hereafter referred to as the SCR. Since the SCR first became available in late 1957, it has become of great importance in the power control and conversion technology. Devices are produced now using 100-nmi diameter silicon wafers. These thyristors may have ratings of 4000 V and 2500 A aver

OREX

向外才掩饰

镇痛剂

Transistor Inverters, must have the ability to hold off forward voltage, and the interval of time when conduction occurs must be controllable [1]. The simplest inverters use switching devices which can interrupt the flow of current. Presently, such inverters utilize the bipolar junction transistor (BJT), the field-effec

Bone-Scan

STENT

negligence

Obverse

聪明

Self-Commutated Thyristor Inverters,A self-commutated inverter is one in which the means of commutation is included within the inverter itself. This is the case for circuits including electronic power switches with turn-off capability. Thus, a bipolar transistor, GTO thyristor, or power FET inverter is self-commutated. In addition, SC

fiscal

Thyristors,age [1]. The SCR has low voltage drop when it is on, negligible leakage when it is off, extremely fast switching speeds with low-power gate drive, and the reliability associated with all solid-state semiconductor devices. Thus, it is an excellent approximation of the ideal power switch.