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How to verify circuit power equalization

(Summary description)Power equalization of the power system is a prerequisite to ensure that the system frequency is stable within the specified range. In addition to the user's active power load, the active power consumption of the power system should also consider the network loss and the auxiliary power load of the power plant.

How to verify circuit power equalization

(Summary description)Power equalization of the power system is a prerequisite to ensure that the system frequency is stable within the specified range. In addition to the user's active power load, the active power consumption of the power system should also consider the network loss and the auxiliary power load of the power plant.

Information

Power equalization of the power system is a prerequisite to ensure that the system frequency is stable within the specified range. In addition to the user's active power load, the active power consumption of the power system should also consider the network loss and the auxiliary power load of the power plant. That is to say, the total capacity of the system generators should not be less than the sum of user load, network loss and power plant power consumption. Similar to active power balance, the reactive power supplied by the power supply in the system should be equal to the sum of the reactive power consumed by the load and the reactive power lost in the switch.

power equalization

To verify whether the power generated by the power supply, the power taken by the load, and the power lost on the internal resistance in a circuit are balanced, please refer to the following method.

1. The reference direction of voltage and current must be selected before analyzing the power equalization circuit;
2. Once the reference direction is selected, it must be marked in the corresponding position in the figure (including the direction and symbol), and it must not be changed arbitrarily during the calculation process;
3. When the power equalization reference direction is different, its expression differs by a negative sign, but the actual direction of voltage and current remains unchanged.
 

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