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How to choose a box-type substation
How to choose a box-type substation:
1. Determine the high-voltage incoming line voltage level of the box-type substation according to the importance of the power load of the project and the high-voltage power supply at the construction site.
2. Calculate the short-circuit current according to the short-circuit capacity, line impedance and other parameters of the power grid system where the project is located, so as to determine the power supply components
3. Carry out load calculation and select the capacity of the transformer after considering the appropriate margin.
4. Select the appropriate transformer category (ordinary oil-immersed transformer, sealed oil-immersed transformer, dry-type transformer, etc.) according to the user's situation and environmental conditions.
5. Select the appropriate number of low-voltage outlet circuits according to the load conditions, determine the capacity of the low-voltage circuit breaker, and reserve appropriate backup outlet circuits.
6. The box-type substation should be located as close to the load center as possible to reduce the length of the incoming and outgoing cables, and should consider factors such as ease of access, ease of maintenance, and no impact on the landscape environment.
7. Take measures to prevent flooding according to the installation environment conditions.
8. Install the grounding device in the box-type substation.
9. Basic practices and equipment installation should meet the requirements of the selected box-type substation product information.
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