Continuous plasma flow ignition exciter
A technology of plasma flow and exciter, which is applied in the direction of electric spark ignition controller, engine ignition, ignition energy generated by generator, etc.
Inactive Publication Date: 2010-12-01
HARBIN ENG UNIV
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A Continuous Plasma Flow Ignition Actuator
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The invention provides a continuous plasma jet ignition exciter unit, comprising a protective circuit, an inverter circuit, a dual loop control circuit, an output circuit and a high frequency high voltage arc generator. The ignition exciter unit is used for providing low current excitation for a plasma jet ignition exciter unit of a gas turbine. The ignition exciter unit adopts a modular design of high frequency switching power supply, thus improving efficiency, and reducing volume and weight; a PWM is adopted to modulate and control impulse width, and the output is stable low current; the dual loop control circuit is adopted to control working mode by means of stabilizing current and restricting voltage, and the output is characterized by steep fall of voltage and constant current of electric current, so that the ignition exciter unit avoids being burned when the output short-cuts.
Description
Continuous Plasma Stream Ignition Actuator (1) Technical field The invention relates to an ignition control device for a heat energy and power device, in particular to a continuous plasma flow ignition exciter suitable for a gas turbine. (2) Background technology Nowadays, gas turbines have been widely used and developed in many fields such as aviation, ships, and power generation due to their advantages such as high power, small weight and size, and high efficiency. During the start-up process of a gas turbine, ignition is critical. The success rate of ignition will be directly related to the safe and reliable operation of the whole device. At present, the commonly used gas turbine ignition methods include electric spark ignition and semiconductor surface discharge ignition. The ignition energy of the electric spark point is low and the ignition delay is long. Although the semiconductor surface discharge ignition can obtain a large ignition power, due to the life of th...
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IPC IPC(8): F02P1/00
Inventor 杨家龙郑洪涛谭智勇陈明敏李智明周春良
Owner HARBIN ENG UNIV
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