变压器油中导电颗粒运动轨迹的计算

给出了计算变压器油中导电颗粒运动的理论模型。模型表明电场力、惯性力、粘滞阻力、颗粒密度是影响油中导电颗粒运动的重要因素。通过计算变压器油中导电颗粒在球板电极油隙中交流电压下的运动轨迹，得出大颗粒与小颗粒运动的不同特点，并根据计算结果探讨了导电颗粒对变压器油电气性能的影响，指出变压器油中导电颗粒是导致变压器油电气性能下降的一个重要因素。

Calculation of Particles Moving Traces in Transformer Oil

This paper presents a theoretical model for analyzing the movement of the conducting particles in the transformer oil The model shows that the electric field force, inertial force , viscous force and density of particles are the most significant factors which affect the conducting particles movements ,By calculating the movement traces of the particles in an electrode gap of sphere plane imposed an AC voltage, the feature of the movements of mini particles and large particles are obtained Then, the effect of conducting particles on the electric performance of transfer oil is investigated The results show that the conducting particles in the transformer oil is an important factor which affects the electric performance