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一、选择变压器容量的一点体会地质队如何选用变压器的容量，现以我队将320KVA变压器改换成250KVA变压器的做法，谈谈个人的体会。如果变压器容量选用过大，则投资较大，变损也大，功率因素较低，经济性能也差。如果容量选用过小，不仅不能保证供电要求，而且会加速变压器线圈老化，影响经济寿命，甚至酿成事故，当然经济性能也不好。只有当容量选择比较适当时，才能几全齐美。
First, select the transformer capacity of a little experience How to choose the capacity of the geological team, now I will 320KVA transformer into a 250KVA transformer approach to talk about personal experience. If the transformer capacity is too large, the investment is large, the loss is also large, low power factor, poor economic performance. If the capacity is too small, not only can not guarantee the power requirements, but also accelerate the aging of the transformer coil, affecting economic life expectancy, and even lead to accidents, of course, economic performance is not good. Only when the capacity is more appropriate choice, can only be a few full Qi.