煤矿井下低压供电系统及装备。通用安全技术要求。
General requirements of safety and technical for underground coal mine. loW voltage power sup...
阐述了煤矿井下低压供电网络漏电电流的产生和危害。
This essay expatiates on the harm of low creepage current in coal mines.
本文所设计的线性电荷泵稳压芯片主要应用于5.1V的低压供电电源。
This article designs the linear electric charge pump constant voltage chip mainly applies in 5.1V low pressure electric power supply.
分析了矿山井下低压供电系统的现状,针对低压供电线路存在的问题提出了改进方案。
The existing condition of low-voltage power supply system of mine underground was analyzed, in view of the existing problems of low-voltage power supply line, the improvement scheme was proposed.
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。
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.
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。
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.
产品特点:铝合金外壳高档美观发热量底,超长使用寿命,没有紫外线及红外线辐射。低压供电稳定安全。
Features:Using quality alum heatsink for excellent heat dissipation. lnnocative lighting with ultra slim and lightweight profile. No UV/IR, low heat and long lifetime.
对于民用建筑供电系统,采用低压集中补偿方式是比较合理的。
It is more reasonable to have central compensation with low voltage for power system of civil architecture.
文章通过介绍地理信息系统(GIS)及其在低压配电中的应用,以提高供电服务质量和电力企业效益。
The article introduces the application of geographical information system(GIS)in low-voltage power distribution in order to improve the power supply service and the power enterprises benefit.
低压电缆如选择与保护不当,直接影响供电系统的安全性、可靠性。
Improper selection and protection of low voltage cables will have direct impact on safety and reliability of the power supply system.
分析了低压660V供电较380V供电的优越性,如提高了线路的输电能力;在电缆长度和截面不变的情况下,其输送功率扩大3倍;
It is analyzed that low voltage 660V power supply has superiorities over that of 380V, such as high power transmission ability, low loss of power and improvement of protection and power quality.
低压配电室以放射供电方式向建筑物内各配电柜、配电箱供电。
The low voltage distribution room will supply power to all distribution cabinets and distribution boxes inside the building in the form of radiation.
该在线状态监测不仅在低压配电系统中可以推广应用,而且在高压供电系统中同样具有广阔的应用前景。
Not only the on-line monitoring system can be applied in LV distribution system, but also it will have wide applying prospect in HV supply system.
供电系统:高压供电及至低压配电柜供电的配电系统(包括低压配电柜)。
Power supply system: high-voltage power supply and distribution system to low-voltage distributors (including low-voltage distributors).
该产品防水性能好,使用低压直流供电安全方便,发光颜色多样,色彩绚丽。
It is waterproof; low voltage and directly current supply for using conveniently, safely; irradiance color is various and attractive.
采用24V低压烙铁芯安全供电。
如今广泛使用的电池供电产品增加了对低电压、低压差线性调整器(LDO)的需求。
The widespread use of battery-powered devices in today's world has increased the demand for low-voltage, low-dropout linear regulators (LDOs).
并采用24V低压烙铁芯安全供电。
安全;采用低压直流12V供电电压,因此使用上非常安全。
究其原因在于现有配电模式中配电变压器供电范围过大,低压线供电半径过长。
The reason is that the transformer supply area is too broad and the low-voltage line is too long in present distribution model.
建立了适用于县级供电企业配电网及低压电网的理论线损计算模型,并且给出模型的计算方法。
A new theoretical power loss simulation modal used in low-voltage network has been proposed and corresponding calculation method has been developed.
简要介绍企业供电系统的低压短线路纵联保护设计方案、系统配置、设备选择及工程应用。
The paper briefly introduces the design options, system configuration, equipment selection and engineering application of low-voltage short-line pilot protections in enterprise's power supply system.
合理选择井下低压电缆截面,可为提高供电质量提供客观依据。
It can be to improve the quality of supply that the reasonable selection of underground low voltage cable cross section.
如果在铁芯上再装设曲折连接的副绕组,还可向变电所的低压负载供电。
The instrument can also supply low-voltage load of substation if zigzag connected second…
31是一个简单的螺丝端子适用于接口应用线圈低压单稳态继电器(24V)和负荷在供电网络的电压(230 V)。
The 13.31 is a simple monostable relay with screw terminals suitable for interfacing applications where the coil is low-voltage (e. g. 24 v) and load is at the supply network voltage (230 v).
直流系统通常由蓄电池充电系统供电,蓄电池充电系统由低压交流系统供电。
The DC system is normally supplied from a battery charger system, which is supplied from the low voltage AC system.
论文首先针对低压输入的条件,提出了一个分阶段双端切换供电的低压Boost系统方案。
To meet the low input voltage condition, a multi-period double-ended supplied low voltage BOOST system control scheme was proposed.
微网是一种可将各种小型分布式电源组合起来为当地负荷提供电能的低压电网。
A MicroGrid is a low voltage network with different micro generators (micro sources) and loads operating to supply electric power for the local area.
微网是一种可将各种小型分布式电源组合起来为当地负荷提供电能的低压电网。
A MicroGrid is a low voltage network with different micro generators (micro sources) and loads operating to supply electric power for the local area.
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