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The three-phase transformer is an indispensable and important equipment in the power system, which is used to transform voltage and current to meet th

In order to ensure the safe and reliable operation of the transformer, necessary inspections and tests should be carried out before operation

The three-phase transformer microcomputer protection device consists of high-integration, bus-free chip microcomputer

Establishing a new neutral line-grounding in the three-phase transformer can eliminate the common mode interference and other neutral line problems in

Three-phase transformers are widely used in circuits with AC 50Hz to 60Hz and voltage below 660V, and are widely used in imported important equipment

For simple lighting and public power distribution, high-voltage metering is not required in the high-voltage wiring scheme of the box transformer.

The box shell door of the box-type substation should open outwards, and should have handles, hidden latches and locks. The hidden latches and locks sh

Box-type substation has a compact structure, and each box constitutes an independent system

Box-type substations are suitable for residential areas, urban public transformers, bustling downtown areas, construction power supplies, etc.

Box-type substation, also known as prefabricated substation or prefabricated substation.

When the transformer is installed in parallel with the low-voltage distribution cabinet, the protection level of its shell shall not be lower than IP3

The introduction and development of new materials, new processes and new technologies such as low-loss silicon steel sheets, stepped core joints, foil