Schubert & Salzer - 025V1ZA028-4--S - 7010系列 - 流体传输 管径:DN25;开启压力:0-27bar;公称压力:PN40;阀体类型:on/off;阀体材质:316L;开关功能:NC;弹簧数:2;阀口尺寸:G1/4";重量:2.9lbs 流体传输广泛应用于石油、化工、水处理、供暖、制冷和其他工业领域。流体传输可以发
Inrush or over-excitation conditions of a power transformer cause differential relay misoperation. Discrimination of fault currents from false differential currents caused by magnetizing inrush and over-excitation is very complex. Harmonic content of currents provide information that helps to distinct betwee...