series and parallel circuit

Working principles of Buck chopper for regulating circuit and LCC series-parallel resonant circuit in the CCM work mode were analyzed using the fundamental wave analysis method, and the converter steady state model were deduced as well as the detailed design process and calculation method.

针对Buck调压电路和LCC串并联谐振电路在CCM工作模式下，分析其工作原理，采用基波分析法推导变换器稳态模型，给出详细的设计计算方法。

Now, this is a series circuit, and this is a parallel.

这是串联的电路, 这个是并联的.

The results indicate that Titania humidity sensor whose complex impedance plot is composed with one or two semicircles, or part of them. An equivalent circuit model can be associated with three resistors and two capacitors which combined with series-parallel style.

结果表明，氧化钛湿敏元件的复阻抗曲线是由一个或两个半圆组成，或者其中的部分图形组成，可以等效为三个电阻和两个电容通过串-并联的方式组合而成的电路。

The matched load of thermoelectric generator is not equal to the internal resistance unlike most circuit. ( 2) The performances of parallel thermoelectric generator and series thermoelectric generator were studied by theoretical analysis and experimental test.

通过理论分析和实验测试，研究了温差发电器串联连接和并联连接的性能。

The operation condition of a series feedback type of de-Q circuit is analysed in detail and the main design formula is deduced. The new practical circuit, the solid state scheme of the parallel feedback type de-Q circuit for high voltage and high power is also presented.

本文详细地分析了串联反馈型de-Q电路的工作状态，推导出主要的设计公式，给出了新的实用电路，提出了高压大功率的并联反馈型de-Q电路的固态化方案。

Rheostat single products in the circuit can be used for series and parallel use can also be multiple, and machine use.

变阻器单台产品在电路中可作串、并联使用，也可多台并机使用。

The paper analyses firstly the action, sort, development direction of UPS, which is the abbreviation for Uninterruptable Power Supply, and analyses the characteristic, work theory of the circuit structure of the series-parallel connection UPS, and control principle of UPS;

论文首先分析了UPS（Uninterruptable Power Supply）的作用、分类以及发展趋势，及串并联UPS电路结构的特点、工作原理，以及UPS的控制策略，和电压电流的精确性、实时性控制；