What are the characteristics of submerged arc furnace load isolated network operation?

1) large machine and small network, low rotating reserve capacity; (The capacity of metallurgical self-provided power stations is usually relatively large and the number is relatively small. How much power is generated by the unit and how much power is used by the load)

2) High requirements for the safety and reliability of the load; If the submerged arc furnace fails, it will affect the production of ore, and in serious cases, it will cause casualties. )

3) Concentrated load, poor characteristics, large-capacity high-frequency impact and three-phase imbalance; (The heights of three electrodes of submerged arc furnace are inconsistent, and the inclination of materials will cause three-phase imbalance. )

4) When the large equipment stops, the impact load is large. (The active power of submerged arc furnace is generally larger. When the submerged arc furnace is shut down, the impact load is the active power of the submerged arc furnace )