查询词典 bulb rectifier

And the turns ratio problem of the second windings for the traditional axis-double-split 12-wave traction rectifier transformer also can be solved.

且解决了传统的轴向双分裂式12脉波牵引整流变压器副边匝比问题。

Compared with the previous circuit, the current of the main switch is decreased and the converter losses are reduced because of the soft-switch; adjusting the turns ratio of the auxiliary winding can decrease the voltage of the rectifier.

应用于推挽正激电路[6，7]的软开关电路拓扑通常是考虑在其整流桥之后增加一个辅助谐振网络，利用谐振电容上的电压来封锁整流桥，从而达到零电流关断主管的目的。

Using solar cell to absorb solar energy and store into battery by DC-DC charger during daytime. When in the night, battery will be discharged to white LED by optical sensor and control circuit. Since the weather maybe cloudy or rainy, there is a spare AC power supply loop consist of transformer, bridge rectifier, filter and voltage regulator to prevent battery undercharge or circuit maintain. When the output current of battery is less than the preset value, the power source of white LED lamp will be switched over to spare AC power supply loop by the comparative and switching circuit.

用太阳能板，在日间吸收太阳光，将能源用DC-DC充电器储存於蓄电池中，夜间时由光感测控制电将蓄电池放电，提供白光LED灯所需的电源，为预防阴雨天蓄电池充电足或电故障维修，将使得灯无法点，另有市电经变压器与整稳压后之预备供电回，於蓄电池输出电低於预设值时，将白光LED灯电源换至市电预备回。

The scheme makes the DC side of unisolated single PWM rectifier as 350V DC lines. Charger and discharger modules connect to the DC lines. Use this method to charging and discharging single Li-ion battery.

方案将不隔离单相PWM整流器直流侧设计为350V直流母线，通过它与充电模块、放电模块的连接，实现对单体锂离子电池的充放电。

The simulation results show that this method can make PWM rectifier run with unit power factor, the output DC voltage stabilize on the desired value with the fast dynamic response.

仿真结果表明，该方法能使所设计的PWM整流器运行于单位功率因数，输出的直流电压基本稳定在期望值且具有快速的动态响应，满足了设计要求。

Quantitative analysis of the influence of perssure grade of rectiformer on the operation of rectifier unit ,together with the ideal method of operation of switch,is persented in this paper.

定量分析了整流变压器调压档位对整流机组运行状况的影响，并从中总结出档位开关的理想运行操作方

The system consists of electrolysis rectifier unit, electrolysis heat exchange unit, electrolysis temperature control unit, etc.

该实验台由电解整流系统、电解液热交换系统及电解温度控制系统等组成。

The programme through the transformer transformer, through the rectifier circuit filter circuit which will be AC into DC, and the adoption of the regulation by regulators more stable voltage, input voltage regulator when it can only be fixed when the voltage difference within the scope of regulation of the output voltage, and therefore out of voltage difference in the scope of automatic Diaodang, it is through the two comparator output voltage and the reference voltage comparison, and through the counter counting function control relay controller The input to determine the size of the output voltage at which the scope, and then automatically Diaodang.

该方案是通过变压器变压，再经过整流电路、滤波电路进而将交流电变为直流电，在通过稳压器的稳压得到较稳定的电压，由于稳压器当输入电压固定时只能在它的电压差范围内调节输出电压，、所以要在调出电压差的范围时自动调档，这是通过两个比较器将输出电压和基准电压进行比较，再通过计数器的计数功能控制继电器控制器的输入情况来判断输出电压的大小在哪个范围，然后进行自动调档。

The influence of the linearization of rectifier external characteristic on the short-circuit current calculation is specially analyzed,because the exter.

给出了短路电流计算的数学模型，并利用可视化语言CVI完成了短路电流仿真计算；分析了整流机组外特性线性化对短路电流计算的影响。

The delayed rectifier K+ channels mainly distribute in the lateral habenula ,while rapid K+ channels in medial habenular. This result is related to the difference of structure and function between lateral and medial habenular.

内侧缰核记录的K+通道以快速瞬时K+通道为主，外侧缰核以延迟K+通道为主，该结果与内、外侧缰核的组织结构和功能上的差异有关。

I had a lovely dog named PiPi, he was one of my best friends.

我曾经有过一只小狗，它的名字叫皮皮，它很善良，它是我最忠实的朋友。

Newly ovulated mouse oocytes were cultured in the CZB medium supplemented with different concentrations of pyruvate before treated for activation or assayed for MPF activity.

我们猜测卵母细胞在不含丙酮酸的条件下老化的更快，并且卵丘细胞可能通过消耗不含葡萄糖的CZB中的丙酮酸从而促进卵母细胞老化。