Switch layout structure of convertible current voltage transformer
A technology for converting transformers and arranging structures, which is applied in the directions of transformer/inductor cooling, transformer/inductor parts, transformer/inductor coils/windings/connections, etc. It can solve the problems that the weight and width cannot meet the railway transportation conditions, etc. , to achieve the effect of strengthening strength, high insulation reliability and avoiding leakage
Inactive Publication Date: 2017-02-22
SHANDONG POWER EQUIP +1
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Problems solved by technology
At present, the transportation methods of converter transformers are limited to road transportation and railway transportation. With the increase of transmission power and voltage level of DC transmission projects, the weight of converter transformers and the width and length of fuel tanks also increase. The weight and width of the conventional structure converter transformer connected to the switch arrangement and one end of the body inside the fuel tank cannot meet the conditions of railway transportation.
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[0016] A switch layout structure for a converter transformer, comprising a main body oil tank 1 for accommodating the main body of the converter, three switch oil tanks 2 for respectively accommodating three single-phase switches, and the three switch oil tanks 2 are all provided with a The externally protruding opening 7, the externally protruding openings of the three switch oil tanks 2 are all connected to the outer wall of the main body oil tank 1 through the flange 6, and the pressure regulating lead wire 3 of the body body and the single phase switch voltage regulating lead wire 4 adopt a detachable connection structure 5 on the outside. The openings 7 are connected in one-to-one correspondence. Both the body oil tank 1 and the switch oil tank 2 adopt a barrel structure, the tank cover and the box body adopt a fully welded structure, and the side wall of the body oil tank 1 corresponding to the position of the coil is partially convex.
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The invention relates to a switch layout structure of convertible current voltage transformer, the structure comprises a self body oil tank provided for a receiver self body, and three switch oil tanks provided respectively for receiving three single phase switches, the three single phase switches provide outside convex openings on one tank wall side, the three switch oil tank outside convex openings are detachable and joined with self body oil tank outside side wall, the receiver self body voltage regulator and the wire guide together with the single phase switch voltage regulator and the wire guide adopts detachable link structure and one-to-one respective links inside and outside convex openings. The structure effectively resolves the issue that the weight and width of convertible current voltage transformer are restricted by conditions of rail route transport, the structure possesses reliable insulation ability, places simple structure and configuration, costs comparatively low and possesses compact overall structure, reinforces oil tank strength, saves oil consumption for voltage transformer.
Description
[0001] Field [0002] The invention relates to a transformer layout structure, in particular to a converter transformer switch layout structure. Background technique [0003] The converter transformer is an important equipment in the DC transmission system. It is at the core position between the AC grid side and the converter valve. The reliability of the converter transformer plays a very important role in the safe and stable operation of the entire DC transmission system. At present, the transportation methods of converter transformers are limited to road transportation and railway transportation. With the increase of transmission power and voltage level of DC transmission projects, the weight of converter transformers and the width and length of fuel tanks also increase. The weight and width of the conventional structure converter transformer connected to the switch arrangement and one end of the body inside the fuel tank cannot meet the requirements of railway transportati...
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IPC IPC(8): H01F27/14H01F27/28H01F27/40
CPCH01F27/14H01F27/28H01F27/2828H01F27/40
Inventor 贾志玲王磊王明胜许岩峰
Owner SHANDONG POWER EQUIP
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