The controllable silicon circuit controlled by monolithic microcomputer is introduced, which adopts external interrupt to obtain sync signals and controls conducting angel with a timer.
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4. 结合某样机系统提出了一种用不含CPU的低成本硬件控制器实现的固定导通角p WM控制策略。
Based on a certain prototype, the fixed conducting Angle PWM control strategy implemented by the low cost hardware controller without CPU is proposed.
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5. 本文提出了工作在连续导通情况下DC—DC开关转换器的快速建模的统一方法。
A unified method for fast modelling of dc-dc switching converters in continuous conduction mode (CCM) is proposed in this paper.
This paper presents a transient mathematical model of the HVDC converters-Equivalent Circuit Method (ECM), which can describe all possible states of converter valves in a simple and explicit way.
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7. 介绍了可控电抗器晶闸管导通角的微机控制及应注意的问题，并给出了试验结果和波形。
Microcomputer control of thyristor conduction Angle in controllable reactor and the matter to be noted are introduced. Experimental results and oscillogram are given.
Using space vector pulse-width modulation (SVPWM) signal transformation method, speed regulation of induction motor is implemented by controlling the duty ratio of every converter switch.
There are two modes in flyback converter, one is the discontinuous Conduction conduction mode(DCM), and the other is the continuous conduction mode(CCM).
ICE1PCS01, the novel continuous conduction mode (CCM) PFC controller, is used for PFC controlling with the considerable merits of succinct circuit structure and easy to adjust control parameters.
Due to its simplicity in structure, ability in conducting heavy current and quick close time, it is suitable for explosive synchronization of magnetic flux compression generator (MFCG).
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12. 设计的模糊控制器以电机的转速偏差及转速偏差率为输入，输出量用于控制斩波调速时的导通角。
The fuzzy logic controller designed in this study determines the required angular used in the DC chopper control based on motor speed error and its change.
The structure includes a switching element that can be switched off during testing of the sensor and then switched back on to provide ESD shunting to the sensor.
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14. 第一开关电路耦 接至电平转换器，并在第三晶体管导通时，关闭第四晶体管。
The first switch circuit is coupled to the electrical level translator and turns off the fourth transistor when the third transistor is turned on.
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15. 而第二开关电路耦接至电平转换器，并在第一晶体管导通时，关闭第二晶体管。
While the second switch circuit is coupled to the electrical level translator and turns off the second transistor when the first transistor is turned on.
Some very complex circuits and driver have been worked out to handle this switching, with still possible failure at repeated switch-on and -off.
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17. 文中导出了动态导通比参数、半导体开关管拓扑以及变压器理想模型的对偶形式。
The duality of transformers (ideal and perfect models) is investigated. In addition, the duality relationships of duty ratio parameters and semiconductor-switch topologies are also given.
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18. 本发明的目的在于提供一种没有导通不良的电可靠性高的热电变 换组件及热电变换元件用连接器。
Intended is to provide a thermoelectric conversion module and a connector for a thermoelectric conversion element, which have no faulty conduction but high electric reliabilities.
In addition, equivalent series reactance of excitation transformer worsens the condition of the thyristor operation, and it can bring transient over-voltage at the moment of switching thyristor.
Features: PLC programming, equip with Japan Miyachi CT-110 welding control device, three segments electrification method, with current slow increasing and slow dropping function.
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21. 球形接触器的球面与底座之间设置至少两个使电流导通的移动支杆。
At least two moving supporting rods which make the electric current conduct are provided between the spherical surface of the spherical contactor and the base.
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22. 该方法还包括向选择器的栅极施加过度驱动电压以导通选择器。
The method further includes applying an overdrive voltage to a gate of the selector to turn on the selector.
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23. 这种调功器中的晶闸管是过零导通跟过零关断的。
This Power Regulator thyristor in conduction is zero and the zero-crossing turn-off.
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24. 由于电子开关线路的导通次序是与转子转角同步的，因而起到了机械换向器的换向作用。
Because of the electronic switch the order of conduction lines are synchronized with the rotor Angle, which has played a mechanical commutator to the role exchange.
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25. 由于电子开关线路的导通次序是与转子转角同步的，因而起到了机械换向器的换向作用。
Because of the electronic switch the order of conduction lines are synchronized with the rotor Angle, which has played a mechanical commutator to the role exchange.
