Abstract
Transformer is the power equipment of power system core. Intelligent monitoring and operation of transformer can not only monitor the full range of the transformer, the realization of state evaluation, it should be required repair, maintenance required good, but also on the latent fault early diagnosis and prediction. Research on transformer intelligent monitoring and operating technology of safe operation of power system and the substation has great significant and impoertance. According to the theory and method of transformer intelligent, combined with intelligent transformer on-line monitoring technology has been achieved, mainly explores the intelligent cooling and adjustable transformer pressure control technology.
Highlights
T In recent years, with the improvement of science and technology and the rapid growth of electricity consumption,R the rapid development of China's power grid construction, the installed capacity of generators increases, the equipment technical level has been further improved [1]
Voltage is one of main indices to measure the quality of electric energy, voltage to deviate too much from the rated value, affects the voltage quality, and affects the stable operation of power system
In off-line measurements as the benchmark of distribution transformer with different capacity, using this method to calculate the distribution transformer online each phase short circuit reactance values have certain difference, but the relative error was stable at 0.12% ~ 0.33%, show that the proposed algorithm has higher on the measurement accuracy of the distribution transformer short-circuit reactance
Summary
T In recent years, with the improvement of science and technology and the rapid growth of electricity consumption,. R the rapid development of China's power grid construction, the installed capacity of generators increases, the equipment technical level has been further improved [1]. C transformer is expected to increase 35000 billion yuan This is undoubtedly a great promotion to the development of in-. ETransformer in power system undertakes transform voltRage, distribution of electric energy transmission power and capacity in 30kVA ~2500kVA dry type distribution transformer is the most widely. The transformer condition monitoring is the foundation to realize the condition based maintenance of electric equipment, the premise of intelligent cooling and pressure regulating control is the implementation of the transformer. The transformer on-line monitoring of the intelligence and information, and the realization of intelligent power responsibility, is the important power transmission equip- grid and transformer intelligent control key. With 10kV voltage grade rated capacity in 30kVA ~ 1600kVA within the scope
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