AC/DC coordinated control method and system for integrated control of AC tie-line power change
An AC tie line and integrated control technology, applied in the field of AC and DC coordinated control methods and systems, can solve problems such as long operation period, system instability, and difficulty in meeting the stability control of cross-regional power grids, so as to suppress power fluctuations and avoid adjustment disorders , Improve the effect of transient and dynamic stability characteristics
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[0046] The invention of this example provides an AC-DC coordinated control method and system for comprehensive control of AC tie line power changes. The AC-DC coordinated control method for comprehensive control of AC tie line power changes includes the following steps as shown in the figure:
[0047] Step 1: Calculate the DC power modulation value P by using the DC power modulation method of the composite AC section power over-limit control mod And power emergency increase or decrease amount P emg ;
[0048] Step 2: For DC power modulation P mod and power emergency boost or drop amount P emg to distribute;
[0049] Step 3: Comprehensively control the power fluctuation of the AC tie line through the power control of multiple DC circuits.
[0050] Step 1: Calculate the DC power modulation value P by using the DC power modulation method of the composite AC section power over-limit control mod And the power emergency increase / return amount P emg :
[0051] The invention ai...
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