A method for analysing the oscillations in nonlinear control systems with relay characteristics by means of Z-transform is presented in this paper.
本文提出了用Z变换方法分析非线性继电控制系统的自振问题。
The characteristics of electromagnetic interference typical for generating units and microprocessor relay protection equipment was given.
——电磁干扰的典型特点及微处理器为机组继电保护设备进行了必要的分析说明。
Modeling and faults calculation in the new converter transformer are the bases of research on operating characteristics, relay protection and fault diagnosis of the new converter transformer.
新型换流变压器建模和故障计算是新型换流变压器运行特性研究及继电保护、故障诊断的基础。
The railway safety relay is an important executable component in railway system, whose electrical characteristics must be tested timely.
铁路安全继电器是铁路系统中的重要执行元件，必须定期对其电气特性进行测量。
Based on the structural characteristics and site conditions, low level spread assembly and pulling bar group relay lifting method is adopted to install the shell.
施工中针对网壳结构特点及现场施工条件，采用低空外扩拼装、拔杆群接力提升的方法完成了安装。
The cooperation of static electromagnetic attractive force and spring force characteristics is important to ensure the electromagnetic relay can operate reliably.
电磁继电器静态吸反力特性的配合技术是保证电磁继电器可靠性动作的关键技术。
The modularization characteristics of graph-information management should be manifested because of the modularization of modern relay protection devices and drawings.
继电保护装置的模块化使得继电保护图纸与信息的管理也应呈现模块化的特征。
The experimental result shows that the designed digital relay has the characteristics of good real-time, high EMC, small volume, low cost and simple implementation.
实验结果表明，所设计继电器不仅实时性好、电磁兼容性强，而且体积小、成本低、容易实现。
Considering the characteristics of PMSM, a fuzzy-PI control method based on the fuzzy decision and relay self-tuning was proposed.
针对永磁同步电机的特点，提出了基于模糊决策和继电自整定的模糊pi控制方法。
This article presents the new definitions of impedance relay and distance relay and further clarifies their characteristics.
给出阻抗继电器与距离继电器新的定义。进一步阐明了阻抗继电器与距离继电器的特点。
Cooperation with hierarchical modulation can employ broadcasting characteristics of wireless channel and location advantage of relay node to confront fading.
基于分级调制的中继协作技术可以很好地利用无线信道的广播特性和中继节点的位置优势来对抗信道衰落。
According to the characteristics of low voltage power line, the automatic relay routing algorithm with relay constraints is employed in user data receiving.
同时依据低压电力线的特点，采用具有中继约束条件的自动中继路由算法实现用户电量的抄收。
It is important to set the parameters of the relay according to the fault characteristics. Thus the relay will get selectivity and sensitivity.
重要的是根据故障特征整定继电器的参数，既保证区外故障时的选择性，又在区内故障时获得足够的灵敏度。
The protection relay monitors the signals of currents real time and has performance characteristics of three-sect current protection, grounding leakage protection and other protections.
该保护继电器实时监控电流信号，具有3段电流保护和接地漏电保护等动作特性。
Considering the characteristics of heterogeneous cooperative relay channel, the uplink and downlink relay channel models are presented.
针对异构协同中继信道的特点，提出了上、下行的异构协同中继信道模型。
This paper analyzes nature, characteristics, modes of the contract, items of the contract and distribution of the profit in contracts of relay rights of sports matches.
分析体育比赛电视转播权转让合同的性质、特征、订立方式、条款及所获利益的分配。
Due to compact physical characteristics and low power requirements of the relay nodes, the relay deployment has a high degree of freedom.
由于中继节点的物理特性和低功耗要求，中继部署具有很高的自由度。
The electrical characteristics of railway safety relay are mainly involved with operating value, releasing value, reversing value and so on.
铁路安全继电器需要测试的主要电气参数包括：工作值、释放值、反向工作值等。
This paper presents the principles and characteristics of the following modules: power amplifier, phase modulator and up converter, which are used in the transmitter of 1GHz microwave relay system.
本文介绍了用于微波中继系统发射机的功率放大器、调相器、上变频器等组件的原理和特性。
The functions and characteristics of SR70A series PID controller and solid-state-relay are introduced, showing the excellence of these instruments.
通过对SR70 A系列仪表及固态继电器的功能、特性介绍，揭示了SR70 A系列PID调节仪及固态继电器的鲜明优点。
The functions and characteristics of SR70A series PID controller and solid-state-relay are introduced, showing the excellence of these instruments.
通过对SR70 A系列仪表及固态继电器的功能、特性介绍，揭示了SR70 A系列PID调节仪及固态继电器的鲜明优点。
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