3. The device directly connected to the transmission grid must be able to withstand the largest short circuit can occur at the connection point to the notice of the power transmission unit for large value short circuit most suitable connection point with the planning of national electricity development already approved.
4. Mowers perform the operation at the connection point with the transmission grid must be equipped with inspection systems synchronized if either side has power breakers and disconnectors are equipped with facilities to interlock ensure safe maintenance and repair of equipment.
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