Product Introduction of Melt-blown Fabric Test Transformer:
The high-voltage test transformer is an essential test equipment for power equipment detection and preventive tests. With the development of China's power industry, the voltage level requirements for test transformers are getting higher and higher, while traditional oil-immersed test transformers are increasingly unable to meet the requirements of on-site work in terms of volume, weight, and performance.
Product Features:
1. Clean, oil-free, and maintenance-free;
2. Unaffected by harsh weather conditions; can be tested immediately after on-site handling without needing to rest;
3. The insulation strength is significantly higher than that of oil-immersed test transformers, with minimal corona.
Product Characteristics:
1. Easy to use. This gas-filled transformer is small in size and light in weight. At the same power, its weight is reduced by 20%-60% compared to oil-immersed transformers. It is also clean, oil-free, maintenance-free, unaffected by harsh weather conditions, and can be tested immediately after on-site handling without needing to rest. Its insulation strength is significantly higher than that of oil-immersed test transformers, with minimal corona.
2. The design concept is novel, and the material selection and process flow of the instrument are entirely new. Therefore, it not only has small size, light weight, and beautiful appearance, but also all technical indicators meet the requirements of the <
3. High-quality materials are selected. High-quality cold-rolled DQ-151 oriented silicon steel sheets are stacked into a multi-stage cylindrical frame-shaped iron core. The high-voltage tower coil is continuously wound directly with QZ type wire on a specially made high-strength insulating cylinder. The shell is of suitable size and filled with SF6 gas.
4. The DC output method is innovative. The instrument cleverly installs the high-voltage rectifier silicon stack inside the high-voltage bushing. By inserting or extracting the short-circuit rod, it can switch between power frequency high-voltage AC output and high-voltage DC output.
5. High-quality series excitation winding is selected. The instrument has a series excitation winding added to the high-voltage winding, and there are two lead-out structures inside the high-voltage bushing.
6. High testing accuracy. Based on ordinary transformers, the instrument improves the process and technology, adopts different insulation structures, and utilizes the arc-extinguishing capability of SF6 gas itself, so that under high voltage, the transformer basically has no partial discharge. Thus, when using this transformer as the high-voltage power supply for partial discharge tests on electrical equipment, combined with a high-precision partial discharge detector, the partial discharge amount of the tested object can be accurately measured without interference.
