| 1. | Technical specification for zero sequence current direction protection equipment 零序电流方向保护装置.技术条件 |
| 2. | Zero sequence impedance 零序阻抗 |
| 3. | A double lines distance relay based on the zero sequence components is presented 摘要提出了适用于平行双回线路的零序距离继电器新判据。 |
| 4. | Abstract : zero sequence directional power protection is widely used in neutral directly grounded system 文摘:在大电流接地系统中广泛采用着零序功率方向保护。 |
| 5. | Study of principle of selective leakage protection of zero sequence dc of low - voltage power network underground and its implementation 矿井低压电网零序直流选择性漏电保护原理的研究及实现 |
| 6. | Having lower and unified positive ( negative ) and zero sequence impedance , which benefits to improve the power supply quality 具有较低而有均匀的正(逆)充和零序阻抗,它有利于改善供电品质。 |
| 7. | Subsequently , the transient course and characteristics of zero sequence capacitive current are introduced and analyzed 然后对小电流接地系统单相接地时零序电容电流的暂态过程及特点做了介绍和分析。 |
| 8. | When zero sequence or high secondary harmonic current component appear in the circuit , the total current in the shield is zero , no electromagnetic interference with outside 当线路出现零序或高次谐波电流分量时,屏蔽层内电流总和为零,不对外界产生电磁干扰。 |
| 9. | The zero sequence current transformer is full enclosed type . the secondary windings and iron core are insulated by epoxy resin . the middle hole is used for cable going through 本型零序电流互感器为全封闭式。二次绕组及铁芯均浇注在聚脂树脂内。中间窗孔供三相电缆穿过。 |
| 10. | Generally , single phase grounding fault can cause both high phase current and zero sequence current . proper grounding protection set can act reliably and cut off fault 一般地,单相短路将产生很大的故障相电流和零序电流,相应的接地保护装置将能可靠动作从而将故障切除。 |