求翻译：在孤岛运行的方式下，要求孤岛内电源与负荷的容量必须是平衡的，如果功率不平衡，孤岛内的电压和频率将无法维持稳定，所以也就无法持续运行。是什么意思？

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Run the island, called islands of power and load capacity must be balanced, if the power imbalance between the islands, the voltage and frequency will not be able to maintain a stable, so there is no way to run continuously.

In under the isolated island movement way, in the request isolated island the power source and the load capacity must be balanced, if the power is not balanced, in the isolated island voltage and the frequency will be unable to maintain stably, therefore will also be unable to move continually.

In the island run mode, requires power supply and load capacity should be balanced within the island, if the power imbalance, voltages and frequencies will not be able to maintain stability in the island, so it is unable to continue running.

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