电容器boosts the current and increases the power factor to an electrical motor.
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Neutral grounding resistors work by limiting the fault current so it does not cause unwanted fault damage, but still allows the protective relays to work. Browse our NGR monitoring products.
The SE-325 Neutral-Grounding-Resistor Monitor is used on resistance-grounded systems up to 25 kV to ...更多的
Supply电压VAC:120,240
Supply电压VDC:120
Relay Contacts Config:1 A形式A(N.O.)
SE-330是一个高级的接地和中性的电阻监控继电器,是comply ...更多的
Supply电压VAC:28 - 52, 65 - 265
Supply电压VDC:36 - 72, 85 - 275
Relay Contacts Config:1个表格A;1 b;2表C,2 form a;2形式c
高电阻的基础阻止了许多与未接地和孤独相关的问题。更多的
CT二级电流放大器:0.05, 1
输入电压(V):480, 600, 4160
安装方法:Floor Mount
SE-330AU是低级和中V的高级攻击和耐接地监测继电器...更多的
SE-330HV是一个高级的接地和中性的电阻器监控继电器,它是com ...更多的
NGRM封闭的中性基备(NGR)监视器系列是4型外壳壳体...更多的
Weight (lbs/g):0公斤
Information Not Available
电阻接地通过将接地电流降低到5 a来消除瞬态过电压和单相弧形危险,以及定位接地断层的能力。根据IEEE标准141-1993,如果接地电流降低到5 a或更少,则消除了ARC-FLASH危险。对于2.4 kV及更高较高的系统,可以使用低电阻接地系统。适当尺寸的电阻接地系统解决了未接地系统的两个问题 - 经常电压和难以定位地面故障。
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