英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：


请选择你想看的字典辞典：
单词字典翻译
NGr查看　NGr　在百度字典中的解释百度英翻中〔查看〕
NGr查看　NGr　在Google字典中的解释Google英翻中〔查看〕
NGr查看　NGr　在Yahoo字典中的解释Yahoo英翻中〔查看〕

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • National Guard Regulations (NGR)
    Warrant Officers - Federal Recognition and Related Personnel Actions
  • Welcome to NRG
    NRG is a leading North American energy and home services company dedicated to helping you power, protect, and intelligently manage your home or business
  • [NGR] Neutral Grounding Resistor|Neutral Earthing Resistor |NGR
    An NGR (Neutral grounding Resistor) is used to limit ground fault currents to safe levels so that all the electrical equipment in a power system is protected NGRs are also called Neutral Earthing resistors (NER) and Earth protection Resistors (EPR)
  • 7 Purpose of NGR Neutral Grounding Resistor Transformer Generator
    The Short form of NGR is Neutral Grounding Resistor NGRs are used in an electrical power system to protect the star connected alternator generator or the transformer NGR is constructed by inserting a resistor between the star connected neutral terminal and ground terminal
  • Neutral Grounding Resistor (NGR) - Neutral Earthing Resistors - Hill Tech
    2 4kV to 15kV Neutral Grounding Resistors (NGR) as part of a Low Resistance Grounding System will reduce the stress to your power systems equipment by controlling the magnitude of the ground fault currents
  • NGR - I-Gard
    Neutral Grounding Resistors are similar to fuses in that they do nothing until something in the system goes wrong Then, like fuses, they protect personnel and equipment from damage Damage comes from two factors, how long the fault lasts and the fault magnitude Ground fault relays trip breakers and limit how long a fault lasts based on current
  • Everything You Need To Know About Neutral Grounding Resistor - Rantle
    A neutral grounding resistor (NGR) is an essential part of electrical systems, designed to reduce fault currents and shield equipment from harm Its three main purposes are to prevent electrical overloads, preserve system stability, and guarantee asset and personnel safety
  • How to Calculate NGR Resistance Value? - Electrical Volt
    What is NGR? NGR-Neutral Grounding Resistance NGR limits the ground fault current to the equipment’s safe operating current range to protect all the electrical equipment The NGR is connected to the neutral point of the star point of the transformer and alternator
  • What is a Neutral Grounding Resistor and How Does it Work?
    A Neutral Grounding Resistor (NGR) is a component used in electrical systems to limit the current flow to earth through the neutral point of a transformer or generator during a fault This protects the system from damage, reduces the risk of electrical shock, and improves system stability





中文字典-英文字典  2005-2009