Faster interruption of circuit breakers in the transmission voltage offers significant advantage to the transmission system.
断路器在输电电压下的快速开断对输电系统是明显有利的。
The key to power distribution system is to ignore transient process in this sub-system and to draw the network equivalent circuit diagram, therefore its node voltage equation is algebraic equation.
配电子系统的建模关键是忽略其内部的暂态过程并作出了网络的等值电路图,因而依此建立的节点电压方程为代数方程。
The system is composed of sensor, the circuit of voltage matching, main controller and dealing software.
该系统由前端传感器、电压匹配电路、主控制器和事故后处理软件组成。
This article analysed the reason of dangerous voltage merging into from the connection way of ground connection system and equivalent circuit aspects, and put forward a solution.
从接地系统的连接方式和等效电路两个方面分析了危险电压串入的原因,并提出了解决办法。
The low voltage and low power target is attained by improving the modulator structure and optimizing from system to circuit blocks.
为了实现低电压低功耗设计的要求,改进了调制器结构,并进行了从系统到电路模块的优化。
Feature and operation principle of regulation transformer with multi-magnetic circuit. Its design and property are discussed. The self-contained voltage regulation system is introduced.
论述了多磁路调压变压器的特征与工作原理,探讨了其结构与性能,并对与之配套的调压系统做了介绍。
The computer-aided spark voltage test system for working electrolyte is established with A/D conversion technology and sampling circuit.
通过取样控制电路,利用A/D转换技术,建立了工作电解液闪火电压的计算机自动测试系统。
The system supplies analog current to the accelerator's tuning circuit, which is proportional to the input voltage.
系统为加速器调整电路提供一个正比于输入电压的电流。
The primary circuit is the low-voltage side of the system and controls the secondary circuit, which is the high-voltage side of the system.
初级回路是系统的低压端,并控制这次级回路,而次级回路是系统的高压端。
Test circuit of AC servo system was composed of current test circuit, voltage test circuit, speed and position test circuit.
交流伺服系统检测电路由电流、电压、转速及位置检测电路组成。
In the system, Intel 80c196mc is used as control center and IPM is used as an intelligent power device in the main circuit of AC DC AC voltage type inverter.
该系统以80c 196MC为控制核心,采用IPM智能功率模块为功率元件,组成了交直交电压型逆变器主回路。
The main control system includes the synchronous signal generating circuit, the testing circuit of thyristor cut-off voltage and the trigger circuit of the thyristors etc.
论述了主要硬件电路的设计方案,其中包括晶闸管两端电压检测、三相电源同步信号检测等。
The linearity correction circuit of positive feedback can make the output voltage be linear with the temperature, so the measurement accuracy of the system is improved.
采用新型薄膜铂温度传感器设计了多点温度检测系统,使用正反馈型线性校正电路使输出电压与温度成线性关系,从而提高了检测系统的测量准确度。
Hysteretic current controllable voltage source inverter technology and single phase clamping buffer technology used in the system were introduced; the power circuit and control circuit were designed.
系统中采用了滞环电流可控电压型逆变器技术与单相箝压缓冲技术,并对功率主电路与控制电路进行了设计。
It shows that DVR will inject small zero sequence component into the power system during compensation control even if there is no zero sequence circuit. This will influence the voltage on system side.
分析表明,即使系统不存在零序回路,DVR都会在补偿控制中向系统注入微小的零序分量,该零序分量会对无零序回路系统侧电压造成不良影响。
It is the only way to solve above problems that the earth leakage circuit breaker of time lag action and the distribution protection are adopted in low voltage supply system.
在低压供电系统内采用延时动作的漏电保护开关和分级保护技术,是解决上述问题的唯一途径。
The vacuum circuit breaker is a kind of switch equipment which is used in the middle-voltage field in the power system, which undertakes double tasks of controlling and protecting.
真空断路器是电力系统中压领域的一种开关设备,它担负着控制和保护的双重任务。
The analysis and treatment of trouble of high-voltage circuit system are carried out through instance, and the effect of mains voltage fluctuation on equipment is also inquired initially.
对高压电路系统故障的实例进行了故障原因分析和处理,并对电源电压波动对仪器的影响进行了初步的探讨。
Thermal stability and Power Supply Rejection Ratio (PSRR) of the voltage reference circuit are the two major factors that influence the precision and stability of the whole system.
它的温度稳定性和电源电压抑制比是影响整个系统精度和性能的关键性因素。
Short-circuit test measuring system in high power laboratory is a very important component of high voltage measuring technology.
大容量实验室短路试验测量系统是高电压测量技术的重要组成部分。
The system is composed of short-circuit simulation equipment based on SIEMENS S7-200 PLC, compiling-controlling flat on PC and high voltage simulation controlling equipment.
该系统由SIEMENSS7- 200PLC为核心的短路故障模拟控制器、上位PC机编程-控制平台和一次模拟控制设备三部分构成。
The AC-DCAC voltage source inverter composes the main circuit of this variable frequency system and CPLD is the logic control device of the power device (IPM).
该变频调速系统主电路采用交-直-交形式,以(CPLD)作为调速系统逆变电路功率开关器件(IPM)的逻辑控制器件。
This paper investigates the phenomenon of electrification of zero conductor in low voltage power supply system on the basis of actual circuit, and suggests sollutions for four possible causes.
从实际电路出发,对低压供电系统中零线带电现象进行了分析,得出零线带电的四种原因。
Selection of fuses must be carried out according to their use conditions, mainly they are system voltage, rated current, short circuit capacity, protection suitability etc.
熔断器选择必须依据其使用条件来进行,主要有系统电压、额定电流、短路容量、保护配合等。
Based on electrical circuit theory, the formulation of the relation between mutual admittance and converter commutation voltage of the multi-infeed HVDC system was given.
基于电路基本理论知识,推导出多馈入交、直流并联的高压直流输电系统耦合导纳和换相电压关系表达式。
The proper setting of threshold is crucial for the early prediction of the short circuit fault in the low-voltage distributed system when using the method of wavelet decomposition.
当采用小波分解方法对低压配电系统短路故障进行早期检测时,门限值的合理设置对故障检测的可靠性及灵敏度是至关重要的。
The metal oxide gas sensor and voltage following circuit are adopted in this electronic nose system.
本论文工作的电子鼻采用了金属氧化物气体传感器阵列、电压跟随电路。
Through analysis on the ferromagnetic resonance phenomenon in auxiliary power system of the nuclear power station, the possibility of the circuit resonance of the generator voltage is discussed.
通过发生在核电站厂用电系统的一起铁磁谐振现象的分析和处理,探讨了防治措施和方法。
Through analysis on the ferromagnetic resonance phenomenon in auxiliary power system of the nuclear power station, the possibility of the circuit resonance of the generator voltage is discussed.
通过发生在核电站厂用电系统的一起铁磁谐振现象的分析和处理,探讨了防治措施和方法。
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