| 1. | Iec standard current ratings
Iec标准电流额定值 |
| 2. | Iec standard current ratings
Iec标准电流额定值 |
| 3. | Electric cables - calculation of the current rating - thermal resistance - calculation of thermal resistance
电缆.电流额定值的计算.热电阻.热电阻的计算 |
| 4. | Electric cables - calculations for the current ratings - cable current rating using the finite elements method
电缆.电流额定值的计算.用有限元法测定电缆的电流额定值 |
| 5. | 36 kv calculation of the cyclic and emergency current rating of cables . part 1 : cyclic rating factor for cables up to and including 18 30 kv
电缆周期性和应急电流额定值的计算.第1部分: 18 30 |
| 6. | Adjustable speed electrical power drive systems - part 6 : guide for determination of types of load duty and corresponding current ratings
可调速电力驱动系统.第6部分:负载类型和相应电流额定值的测定指南 |
| 7. | 36 kv calculation of the cyclic and emergency current rating of cables ; part 2 : cyclic rating of cables greater than 18 30 kv and emergency ratings for cables of all voltages
电缆周期性和应急电流额定值的计算.第2部分:电压大于18 30 |
| 8. | With the compensator , the accuracy of an 2 grade current transformers can be improved to less than the 0 . 2 grade standard at 100 % rating when the primary side current is changed from 2 % to 120 % of the rating
在实验中将准确度为2级的电流互感器经过补偿以后一次电流从额定值的5变化到120时，电流互感器的测量误差不超过一次电流额定值100时准确度为0 . 2级的测量标准。 |
| 9. | The author has finished the following several jobs in core of the centre : 1 ) the active compensation method based on bang - bang control was put forward to realize the wide range current transformer . the method converts the complex statement space to i / o description by the two - stage current transformer . with the compensation method , the accuracy of 0 . 2 grade current transformer can be improved to less than the 0 . 1 grade standard at 100 % rating when the primary side current is changed from 2 % to 120 % of the rating
围绕这一工作核心，作者完成了以下几项工作： ( 1 )以实现宽量程电流互感器为目标，提出了基于bang - bang控制的有源补偿方法，采用双级电流互感器，将复杂的状态控制分量转化为偏差控制，该方法结构简单，调试方便，有源补偿器输出电流小，可以将0 . 2级的电流互感器经过补偿后提高到一次电流从额定值的2变化到120时，测量误差不超过一次电流额定值100时准确度为0 . 1级的测量标准。 |
