What does the operation mode of substation N- 1 mean?

1, power supply reliability is one of the most critical power supply quality indicators, and N- 1 mode is a way to achieve high reliability;

2. It is impossible for any electrical equipment not to have faults or accidents. Faults, accidents and maintenance all require power outages, so standby equipment has become the first choice in the past; People refer to the method of "N- 1" operation mode, and consider one more set of equipment or device during construction, and reserve another set of equipment or device during normal operation. Such as changing a single bus to a double bus, installing an extra set of outgoing lines and an extra set of transformers.

3. Modern people often call N-1 mode transformer, that is, standby transformer.