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- induction disc type ratio differential relay 感应圆盘式比率差动继电器
- ratio differential relaying system 比率差动继电系统
- ratio differential relay 比率差动继电器
- An integrated-circuit transformer differential relay including secondary and fifth harmonics suppressor is designed. 设计了一种集成电路型具有二次五次谐波制动的变压器差动继电器。
- How to discriminate between internal fault and magnetizing inrush current is the difficulty of transformer protection when apply differential relay. 变压器主保护选择差动在原理上存在不足，带来的问题就是如何准确鉴别励磁涌流与内部故障，这也是目前变压器保护的难点。
- Module components based current differential relay can eliminate the adverse effect of the distributed capacitive current. 利用模分量构成的模分量差动保护能够从根本上消除分布电容电流的不利影响。
- Several abnormal operation instances of REB 103 bus differential relay are introduced. Most of these abnormal operation instances are detected in periodically inspection and commissioning of REB 103 on energized bus. 介绍了多起REB103中阻抗母差保护不正常运行实例,大多是在作者进行母差保护定期校验和带负荷试验中发现的。
- According to the calculation result and features of low percentage interturn fault,the general characteristic selection for percentage differential relay of transformer is suggested. 最后根据轻微故障的特点提出对变压器比率差动继电器通用特性选择的建议，供同仁参考。
- current balance type current differential relay 差动平衡式电流继电器, 流继电器
- electromagnetic differential relay 电磁差动继电器
- normal ratio differential protection 常规比率差动
- rectifier ( -)type differential relay 整流式差动继电器
- rectifier type differential relay 整流式差动继电器
- rectifier (-)type differential relay 整流式差动继电器
- One of the protection elements involved in LASP system uses the current differential relaying as a basic application of Kirchhoff’s current law. 应用基尔霍夫定律原理制造的电流差动继电器，这个保护元件被引入到LASP系统。
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- A Study on Variable Ratio Differential for Off-road Vehicles 越野汽车变传动比差速器的研究
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
- The first or last term of a ratio or a series. 首项，末项比率或数列中第一个或最后一个项
