查询词典 oscillatory circuit

Electric circuit diagram, the PSpice proceeds to weave to the electric circuit distance and emulations imitate true, its and proceed the verification to the function of the electric circuit.

摘要实验利用Orcad中的Capture进行电路图的设计，PSpice对电路进行编程及模拟仿真，并对电路的功能进行验证。

The problem is given for the normal circuit of the double exci ter and the trubogenerator for heat giving.The circuit of the double exciter is discusse d and the new circuit of double exciters is given which can be used on the trubo genator for heat giving.

文摘：提出相位复式励磁装置与供热为主的汽轮发电机常规接线配装存在的问题，从研究改进&相复励&接线方式入手，以满足供热式汽轮发电机励磁的需要，推荐使用改进的新型接线方式。

According to switching power supply's theory, the circuit analysis, and transformer's foundation, it has analyzed switching power supply's principle of work from the electric circuit work's perspective, and factures a kind of switching power supply circuit diagram, which is quite simple, and is reliable for the operation, and is suitable for using commonly in the present life .

再根据开关电源的理论、电路分析、及变压器的基础，从电路工作的角度分析了开关电源的工作原理，制作了一种比较简单，工作可靠，且适用于目前生活中常用的开关电源。

These detecting methods are aimed at three-phase circuit, and can not apply directly to single-phase circuit and four-phase circuit, have certain defect in general application.

为此，本文对APF的检测、控制及实现技术进行了深入的研究，这些研究工作对APF的早日工业化推广应用具有重大意义。

Various harmonic current detecting motheds in common use are analyzed. These detecting methods are aimed at three-phase circuit, and can not apply directly to single-phase circuit and four-phase circuit, have certain defect in general application.

本文分析了目前常用的谐波电流检测方法，这些检测方法多着眼于三相电路，不能直接应用于单相电路及四相电路，在应用的通用性上存在一定的缺陷。

Our company has manufactured the tester and automatic assembly line for Mini Circuit Breaker, moulded case circuit breaker, frame circuit breaker, AC contactor, time relay, thermal relay, protector, leakage protector, Explosion-proof, UL Authentication specialization equipment, HV/LV complete sets, Fuse, Button indicator,Air operated part etc. for 19years, passing through ISO9001 Quality Management System Authentication firstly in 2002 and has been evaluated as the advanced unit many times.

我们浙江永光检测设备有限公司专项供应小型断路器、塑壳断路器、框架断路器、交流接触器、时间继电器、热继电器、保护器、漏电保护器、防爆电器、UL认证专用设备，高、低压成套电器、容断器、按钮指示灯、气动元件等检测设备、试验设备、自动化流水线设备、校验台专业19年，2002年通过ISO9001质量管理体系认证并多次被评为先进单位。

Short-circuit current secretly schemes against , system hits the target to the transformer substation when three-phase short circuit happened in the lower voltage grade bus bar one by one, the difference what be flowed past short-circuit current has been carried out secretly schemes against

短路电流计算，对变电站系统中的各个电压等级下的母线发生三相短路时，所流过的短路电流进行了分别计算。

The design of the generator line multiplying automatic synchronizing unit synchronizing unit SID-2CM 's coordinating with several synchronization point sharing synchronizing unit automatic selector switch SID-2X is used in Shanxi Datang International YunGang Thermal Power Co.LTD, realized the No. 1 unit's generator –transformer-line group circuit breaker, high voltage plant transformer circuit breaker, start spare transformer circuit breaker accept change DCS automatic control devices.

山西大唐国际云冈热电有限责任公司采用 SID-2CM 型发电机线路复用自动同期装置与 SID-2X 型多同期点共用同期装置自动选线器配合的设计，实现了1号机的发—变—线组断路器、高厂变断路器、启备变断路器接受 DCS 的全自动控制。

In order to solve the problems of bad shunting and red light strip phenomenon at electric railway section caused by the defective of asymmetric pulse track circuit receiver formerly, a new type of asymmetric impulse track circuit receiver is designed. It takes the PIC16F887 single-chip microcomputer as central processing unit of the system, realizes processing and judging the asymmetric impulse from the track transformer automatically. The article focused on the receiver work flow, hardware circuit and software design.

摘 要：为了解决以往多数不对称脉冲轨道电路接收器存在缺陷而导致的分路不良问题和电气化区段空闲&红光带&现象，设计了一种新型脉冲轨道电路接收器，系统以PIC16F887单片机为核心处理单元，自动实现对由轨道变压器传来的不对称脉冲信号进行处理和判决，重点讨论了接收器工作流程、硬件电路实现以及软件设计。

The dynamic model and equivalent circuit are researched, A dynamic model and equivalent circuit in d-q frame of dual three-phase synchronous machine are presented for the first time, based on the analyzing of the inductance factor between the windings of synchronous machine under ideal conditions. From them, a dynamic model and equivalent circuit that has general significance is educed.

基于理想同步电动机模型，以相绕组为研究对象，对双电枢绕组同步电动机的动态数学模型进行了研究，首次推导出双电枢绕组同步电动机在d-q坐标系的动态数学模型，绘出了d-q坐标系等效电路。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。