| 1. | Application of transformer connections in three - phase distribution systems 三相配电系统变压器连接申请 |
| 2. | Guide for the application of transformer connections in three - phase distribution systems 三相配电系统变压器连接应用指南 |
| 3. | The core mass of single - phase and three - phase distribution transformers with wound core is analyzed and calculated . the examples are given 摘要对单相、三相卷铁心配电变压器的铁心质量进行了分析和计算,并给出了实例。 |
| 4. | Secondly , measuring arrangement in three - phase distribution systems , decomposing jacobian matrix algorithms and how to choose pseudo - measurement weight are discussed 其次,对三相系统的量测设置,分解雅可比三相状态估计算法和伪量测权值的选取进行了阐述。 |
| 5. | Transformers - underground - type three - phase distribution transformers , 2500 kva and smaller : high voltage 34 500 grd y 19 920 volts and below ; low voltage , 480 volts and below - requirements 变压器.不大于2500kva的地下型三相配电变压器:高压不大于34500y接地19920伏低压不大于480伏.要求 |
| 6. | Standard requirements for pad - mounted , compartmental - type , self - cooled , three - phase distribution transformers , 2500 kva and smaller : high - voltage , 34 500 grdy 19 920 volts and below ; low voltage , 480 volts and below 底座安装的隔室型自冷式三相配电变压器2500 kva及更小:高压34500 grdy 19920伏及以下低压480伏及以下的要求标准 |
| 7. | The three - phase distribution flow method on combining the back / forward sweep algorithm and circuit calculation is studied . as a result , the transform model from the apparent power of low voltage side to the current of high voltage side is built 研究了电路计算与配电网潮流计算的前推回代法相结合的(基于电路分析的)三相潮流计算方法,在该算法的基础上建立了配变低压侧的功率到高压侧的电流的转换模型。 |
| 8. | Firstly , a relevant algorithm is presented for locating single - line - to - ground ( slg ) fault in distribution networks , fault functions are reasoned out and analyzed for single - phase and three - phase distribution lines , and criterion measure , which are based on the frequency , phase and shape characteristics of the fault function spectrums , are also presented for locating slg faults 首先论文对三相均匀换位线路的故障定位进行了公式推导和数值计算分析,并在频域内对故障函数的频谱曲线幅值、相角和频率特性进行了分析,提出了相应的故障定位判据。 |