1) DCD-4 model differential protection
DCD-4型差动保护
2) differential protection
差动保护
1.
Analysis of maloperation of generator differential protection caused by transient unbalanced current;
暂态不平衡电流引起的发电机差动保护误动分析
2.
Analysis of mal-operation of transformer differential protection;
一起变压器差动保护误动事故的分析和对策
3.
Analysis and solution of misoperation of transformer differential protection when external ground fault occurs;
区外故障变压器差动保护误动原因分析及对策
3) differential protect
差动保护
1.
Communication clock setup in the current differential protection based on optic fiber;
光纤电流差动保护通信时钟设置
2.
Analysis on the transformer differential protection acting in error and the treatment;
一台三绕组变压器差动保护误动的分析与处理
3.
Job elements in vertical differential protect of electric transformer and protect bound in course of electric transformer are introduced.
介绍了电力变压器纵联差动保护的工作原理和变压器在运行中保护装置的保护范围。
4) differential current protection
差动保护
1.
Compensating measure of transient capacitive current of UHV transmission line on differential current protection;
超高压线路差动保护暂态电容电流补偿措施
2.
Abatract: Based on the study about the influence of the distributed capacitance current of UHV transmission line on differential current protection,a principle which is free from capacitance current impact is put forward in this paper.
针对超高压输电线路分布电容电流对差动保护的影响,提出了一种从原理上完全不受电容电流影响的线路纵差保护新原理。
3.
Based on the study about the influence of the distributed capacitance current of UHV transmission line on differential current protection, a novel accurate compensation method of capacitance current is proposed.
针对超高压输电线路分布电容电流对差动保护的影响,提出了一种电容电流的精确补偿方法。
5) differential relay
差动保护
1.
Analysis of zero sequece current handling of Simens 7UT513 transformer differential relay;
西门子7UT513变压器差动保护中零序电流的处理
2.
Analysis of the relationship between operation current and restraint coefficient for ratio restraint setting of differential relay;
差动保护比率制动整定中动作电流与制动系数等关系分析
3.
330kV main transformer differential relay operation analysis of 12.5 fault in Shaanxi Power Grids;
陕西电网330kV“12.5”主变故障差动保护动作分析
6) difference protection
差动保护
1.
Influence of harmonic on line difference protection based on vector synchronization;
谐波对矢量同步法线路差动保护的影响
2.
Firstly, this paper introduces some especial situations of computer generatrix link current phase difference protection in its desing, manufacture, installation, adjusting method, check and accept, operation.
介绍了微机母联电流相位比较式差动保护在设计制造、安装调试、验收运行过程中出现的一些特殊问题 ,分析并提出了反事故措施 ,强调了完善全过程管理对保护安全、可靠运行的重要
3.
It analyses the effects of the installation of the first phase sequence Yd11 of 35 kV transformer on difference protection.
探讨了 ３５ ｋＶ变压器开关柜一次相序装反对差动保护的影响，并提出改进措施。
补充资料：ammonium bicarbonate stabilizing agent DCD
分子式：
CAS号：
性质：DCD系dicyandiamide的缩 写，化学名称二氰二胺、二聚氰胺、氰基胍或双氰胺。白色结晶。呈菱形、针状、片状或粉状，味微苦。能溶于水、乙醇、丙酮、氨水溶液，在氨水中的溶解度，随氨浓度的增加而增大。在酸性介质中能发生水解；在碱性条件下加热发生分解并释放氨。氰氨基钙(石灰氮)经水解、过滤、加二氧化碳脱钙，再经聚合、冷却、结晶、干燥而得。DCD对碳酸氢铵具有氨稳定作用和抑制硝化作用。加DCD后的碳酸氢铵称为长效碳酸氢铵。
CAS号：
性质：DCD系dicyandiamide的缩 写，化学名称二氰二胺、二聚氰胺、氰基胍或双氰胺。白色结晶。呈菱形、针状、片状或粉状，味微苦。能溶于水、乙醇、丙酮、氨水溶液，在氨水中的溶解度，随氨浓度的增加而增大。在酸性介质中能发生水解；在碱性条件下加热发生分解并释放氨。氰氨基钙(石灰氮)经水解、过滤、加二氧化碳脱钙，再经聚合、冷却、结晶、干燥而得。DCD对碳酸氢铵具有氨稳定作用和抑制硝化作用。加DCD后的碳酸氢铵称为长效碳酸氢铵。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条