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DEH control of load fluctuation issues

2009-02-07View Original

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Our 15MW generator set is equipped with Shanghai Xinhua DEH control system; the static curve shows smooth upward and downward movements, and no fluctuations were observed during speed control. During the load increase process after connection to the grid, jumps always occur in the 6–9 MW range, every time. For example, when increasing the load, it starts at 6000 MW; after a slight increase, the load immediately rises to 9000 MW. The same phenomenon occurs when reducing the load ; Nothing happens after reaching a load of 9,000 ; Please analyze the possible reasons.

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