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由于小水电电网配电线路存在网络复杂,负荷分散,特别是由于计量方法不一(如一点计量,配变高压侧计量,用户低压计量等),带来配变负荷资料难以收集的问题。因此,运用以往的计算方法(如节点电压法)来计算配电线损就受到了原始资料不全的限制,从而使计算工作难以进行。那么,可否采用一种较为简易的方法,使之既不受负荷资料不全的限制,又能使计算结果达到一定的精度要求?笔者在此提出一种简易而可行的运用微机计算配电线损的方法——节点电流法,供大家在对农村10千伏配电线路的线损作一般评价时参考。
Due to the complex network and scattered loads in the distribution network of SHP network, especially due to different measurement methods (such as a little measurement, high-pressure side with transformer, low-pressure measurement by users, etc.), it is difficult to collect data of distribution load. Therefore, the use of the previous calculation methods (such as node voltage method) to calculate the distribution line loss suffered by the original data incomplete restrictions, making the calculation difficult to work. So, can a more simple method, so that it is not limited by the load data incomplete, but also make the calculation results to a certain accuracy requirements? I propose a simple and feasible calculation of distribution line losses using computer Method - node current method, for everyone in the rural 10 kV distribution line loss for general evaluation reference.