The protection for earth fault line selection and fault point location by S injecting current in neutral isolated power system is presented.
介绍了基于“S注入法”的小电流接地系统单相接地故障选线定位保护。
The easiest way of accomplishing this is to use isolated power sources and instruments, then find a single, good earth-ground point for the entire system.
实现这一点的最简单的办法是使用隔离的电源和仪器,然后为整个系统找出一个单个的、良好的大地接地点。
Although the classic circuit of optocoupler can translate analog signal with high accuracy, but special optocoupler and several isolated power supplies must be needed.
传统的模拟信号光电隔离电路虽然能实现较高精度,但必须使用特殊的光电耦合器产品和多组互相隔离的电源。
A simulation method is proposed for the generating capacity adequacy evaluation of small isolated power systems (SIPS) including wind energy and energy storage facilities.
提出一种用于含风能和能量储存设备的小型孤立电力系统(SIPS)发电容量充裕度评估仿真方法。
The high level of integration and the use of boundary mode operation results in a simple, clean application solution to the traditional challenge of isolated power delivery.
高集成度以及边界模式操作的运用可为传统上难以解决的隔离式供电问题提供了简洁的应用解决方案。
The EMG preamplifier circuit and other circuits are isolated by high-linearity octocoupier and isolated power that reject the industry interference and improve the security of the system.
系统中采用线性光偶和隔离电源,使前级放大电路和后级电路隔离,保证了系统的安全性。
In order to solve the above problems, a study on the DC-DC power modular of the loading terminal was conducted and a new design plan of the intrinsic safe DC-DC isolated power modular was provided.
为解决以上问题,对负载端直流-直流(DC-DC)电源模块进行研究,提出一种新的本安型DC-DC隔离电源模块的设计方案。
But some observers are questioning whether the display of military power will simply galvanise the hardliners inside the isolated country, he says.
不过,他也表示一些观察家质疑军事力量的展示是否会使得这个封闭的国家中的强硬派有所行动。
In the new research, in the Journal of Agricultural and Food Chemistry, they isolated cilantro's volatile compounds and tested each one for its odor-fighting power.
《农业化学与食品化学杂志》上发表的一项最新研究中,研究人员将芫荽挥发物分离出来,然后逐个进行除臭能力测试。
America plans to embrace a new approach in which the most radioactive portion of the waste from conventional nuclear power stations is isolated and burned in "fast" reactors.
美国计划采用一个新的方法,将普通核电站所产生的废料中最具放射性的部分隔离,并在“快速”反应堆中烧毁。
Where there is the search for power, there is a process of isolation, and that which is isolated is bound to create conflict.
在追求权力的地方,就有孤立的过程,孤立一定制造冲突。
The normal type of drive power supply with multiple isolated outputs including the dominance and weakness are introduced, focusing on the type based on current AC-bus.
介绍了现有常用高压隔离驱动电源的类型及其优缺点,重点介绍基于电流型交流母线的高压隔离驱动电源。
These requirements also apply to LED light sources connected to isolated (non-utility connected) power sources such as batteries, fuel cells, and the like.
这些要求也适用于连接到绝缘电源的LED光源,这些绝缘的电源有干电池,燃料电池,和诸如此类的电源。
Its feature is that the input logical signal is converted to drive power by a special isolated converter, which makes a IGBT module turn on or off quickly, without any other biased voltage sources.
其特征是不要外接偏置电压源,而由一个特殊隔离变换器将输入逻辑信号变换为能快速开通或关断IGBT模块的驱动电力。
The phenomena of isolated stability domain (ISD) found in transient stability assessment of a real power system are analyzed with the classical one-machine infinite-bus (OMIB) system.
针对实际系统暂态稳定评估中遇到的“孤立稳定域”现象,用经典单机无穷大母线(OMIB)系统进行了详细的稳定分析。
Isolated gate bipolar transistors (IGBTs) are widely used power semiconductor devices. Properly designed drivers are extremely important for the effective use of IGBTs.
绝缘栅双极型晶体管(IGBT)是应用广泛的功率半导体器件,驱动器的合理设计对于IGBT的有效使用极为重要。
In consideration of safety performance, power rating and applications of the recharger, the isolated half-bridge converter circuit is adopted in the main circuit topology.
基于充电机安全性能,功率等级以及应用场合的考虑,主电路拓扑选用的是带隔离的半桥逆变电路。
The IX2120B complements IXYS ICD's extensive portfolio of high voltage gate drivers, low side gate drivers, optically isolated gate drivers and the full range of IXYS power semiconductors.
该IX2120B补充IXYSICD广泛的高压栅极驱动器,低侧栅极驱动器,光隔离门极驱动器及全系列IXYS功率半导体的产品组合。
A new isolated drive technology with assistant power is proposed. This driver provides good IGBT protection and anti-interference, comparing to nowadays's IGBT drive technology.
分析现有的电动汽车IGBT电驱动技术,提出了一种新型自给电源的隔离驱动技术,它具有无需提供隔离电源、保护功能完善及抗干扰能力强等优点。
The sensor hub operates on an isolated, low power domain to assist with tasks for better battery efficiency.
该传感器集线器工作在一个孤立的,低功耗领域,以帮助更好的电池使用效率的任务。
When enterprise power supply system becomes isolated after fault occurred, the best method is finding a suitable grid-connected point to connect with external power grid to maintain stable.
大型工业企业供电网的部分电力负荷由自备电厂供应,外部电网构成了企业供电系统的可靠后备。
It proves that the isolated network control system is effective method to restore the fault of power grids, and to solve the problem of black-start.
证明了孤立电网控制系统是恢复电网故障、解决黑启动问题的有效途径。
Each of the converter circuit branches may contain a power switching transistor, a diode or a winding of an isolated transformer in addition to general circuit components.
这种电路的每一支路中的元件,除一般电路元件外,还可能包括功率开关晶体管、二极管或隔离变压器的一个绕组。
The power section is constructed of isolated thyristor modules.
电源部分配置有绝缘的半导体闸流管模组。
Steel wire springs are fixed on a plurality of annular isolated concave grooves, and concave teeth are around the annular isolated concave grooves inside, and well contacted with the power plug.
钢丝弹簧固定在多条环型隔离凹槽上,内四周有凹齿,与电源插头接触好。
The isolated microorganisms, which isolating rate was higher than 10%, were chosen for the pathogenic power research.
选择致病菌分离率达到10%的微生物进行致病性研究。
The isolated microorganisms, which isolating rate was higher than 10%, were chosen for the pathogenic power research.
选择致病菌分离率达到10%的微生物进行致病性研究。
应用推荐