1. Peak-Valley Arbitrage: Reduce enterprise electricity costs by utilizing the difference between peak and valley electricity prices.

2. Peak Shaving and Valley Filling: Eliminate peak loads, smooth power consumption curves, and reduce demand charges.

3. Dynamic Capacity Expansion: When users need the transformer to operate above its rated capacity during a certain period, installing a matching energy storage system allows for discharging during that period to reduce the transformer load, thereby reducing the cost of transformer capacity expansion.


Possible causes:

1. Actual power grid voltage imbalance
2. Loose voltage detection wire
3. PUCM damage

Solutions:

1. Check if the power grid phase voltage is actually balanced
2. Check if the power grid voltage detection wire is loose - insert the cable
3. Check if the PUCM is damaged - replace the PUCM

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