main switch

IGBT ( Insulated Gate Bipolar Transistor) is the main switch power device in the power electronics. Due to the fast switching speed and low dropout voltage, it is widely used in power electronic devices.

IGBT（绝缘栅控双极型晶体管）是电力电子技术中的主流开关功率器件，由于开通／关断速度快、通态压降小等优点，在电力电子装置中得到广泛的应用。

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in the conventional boost zvt pwm converter, the main switch achieves soft switching while the auxiliary switch is hardly turned off.

传统的BoostZVTPWM变换器的主开关管实现了软开关，但是辅助开关管是在硬开关下关断。

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The thin film circuit is distributed at an interlayer in a bag surface. A magnetic button switch is arranged at the point of a bag cover, and a main switch is arranged at a bag shelter.

薄膜电路分布在袋表面内夹层，磁钮开关设置在袋盖处，总开关设置在袋隐蔽处。

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The heater is now ready for operation and the main switch can be closed.

然后这时热水器可以重新工作,可以重新打开电源开关.

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The utility model mainly comprises a base, a power supply plug, a support, a main switch, a mesh storage box, a motor, an inductor, a heavy object, a trapping mesh and leads.

它主要由底座、电源插头、支架、总开关、存网盒、电机、感应器、重物、捕捉网、导线构成。

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Set the main switch selector to A and set the mode dial to normal mode.

把主选择开关设置在A（自动），同时把模式盘设置在普通模式。

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Set the main switch selector to A ( auto ) or M ( manual ).

把主选择开关转到A ( 自动 ) 或M ( 手动 ).

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Ellie, you can't throw the main switch by hand.

爱莉，你不能徒手扳开关。

provided by jukuu

This paper proposes a half-bridges-in-series hybrid converter with current doubler rectifier. The voltage stress of each main switch is only half of the input voltage.

提出一种倍流整流输出半桥串联混合式直流变换器，主开关管的电压应力低于输入电压，并在满载时均为输入电压的50%。

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a resonant inductor in series with main switch and boost diode is added to the boost converter. an active-clamping branch composed of an auxiliary switch and a clamping capacitor is added in parallel with the resonant inductor.

在Boost变换器的主开关和升压二极管之间串入1个谐振电感，由有源开关和箝位电容组成的箝位支路并联在谐振电感两端。

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The adapter card, main switch and minor switch constitute the data channel between host computer and student terminal subsystem.

而主交换机、次交换机与计算机适配卡等三部分为上位机和终端子系统之间构建了数据通讯通道。

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The jitter of the main switch is less than 1 . 5 ns ( RMS ).

Blumlein主开关工作电压大于 280kV,抖动小于1.5ns ( 均方根值 ).

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In the Domestic Network Multiplication Environment the Research of Media s Check Pattern; Set the main switch selector to A and set the mode dial to normal mode.

国内网络多元环境中的媒体把关模式研究把主选择开关设置在A（自动），同时把模式盘设置在普通模式。

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Main circuit adopts the AC-DC-AC structure as main switch.

主电路采用交 — 直—交电压源型变频器.

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The proposed auxiliary commutation circuit consists of one resonant inductor and two bidirectional switch, which provides the ZVS condition to the main switch without increasing voltage or current stresses.

提出的辅助变换电路由一个谐振电感和两个双向开关组成，此电路没有增加主开关的电压和电流应力，却给主开关提供了ZVS的条件。

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FLASH NO 2 The Electric-Hydraulic control system for the Main Switch of a cathode ray accelerator

闪光2号低能强流加速器主开关的电液伺服控制

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the switching frequency of the main switch and the auxiliary switch is fixed, thus the input current waveform is good.

还具有开关频率固定、输入波形品质好的特点。

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each unit should include a main switch and ammeter with a scale of about 20 ampere capacity .

每一套装置应包括一个主开关和电流表，电流表的刻度范围约20安培。

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Start-up: After the lamp holder is connected with the power system, turn the main switch to ON and the flash indicator lamp ○ 6 will turn red.

开机：灯头与电源机身连接好后，总开关向ON拨动，随后闪光灯机身指示灯⑥（红色）闪动。

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the main switch achieves the zero-current turn on and zero-voltage turn off with the low voltage and current stress. the auxiliary switch achieves the zero-current turn on and turn off, especially applied to the high power where igbt is predominantly used as the power switches.

主开关实现了零电流开通、零电压关断，开关管电压电流应力小，辅助开关实现了零电流通断，特别适用于以IGBT作为开关器件的高电压大功率场合。

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Set the main switch selector to A ( auto ).

把主选择开关调至A ( 自动 ).

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when operation is finished or leaving is needed, please confirm that the main switch is cut and indicating light is dark.

作业结束后或离开车辆时，应确认主开关为[断]，显示灯[暗]，以防止突发事故。

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main switch with inadequate short circuit breaking capacity

总开关掣的短路断流容量不足。

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