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Method and device controlling output of power generator set
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A generator set and power indication technology, applied in the electric power field, can solve problems such as overcharging or overdischarging of the energy storage system, reducing the regulation pressure of the generator set, etc.
Active Publication Date: 2017-12-08
北京睿能世纪科技有限公司
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[0005] The embodiment of the invention discloses a method and device for controlling the output of a generating set, which is used to solve the problem of overcharging or over-discharging during the long-term operation of the energy storage system, effectively reduce the regulating pressure of the generating set, and thereby reduce the operation of the generating set equipment. Effects of wear and energy consumption
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Embodiment 1
[0059] First of all, it should be noted that the generating set mentioned in the present invention can be any form of generating set, such as thermal power generating set, wind generating set, hydroelectric generating set or nuclear power generating set.
[0060] A method for controlling the output of a generator set provided by an embodiment of the present invention is introduced below, as figure 1 As shown, a method for controlling the output of a generator set provided by an embodiment of the present invention is applied to a generator set control system, and the method may include:
[0061] S101, receiving a dispatch instruction carrying an output power indication, and determining the current output power of the generating set;
[0062] It should be noted that the dispatch instruction carries the indicated output power P 指示 , that is, the overall output power that needs to be provided by the power generation system. The dispatch instruction may be directly from the grid,...
Embodiment 2
[0107] Such as figure 2 As shown, it is a schematic structural diagram of a device for controlling the output of a generator set provided by an embodiment of the present invention, which is used to perform the above-mentioned figure 1 The method shown, the device may include:
[0108] The dispatch instruction receiving module 210 is used to receive the dispatch instruction carrying the indicated output power, and determine the current output power of the generating set;
[0109] A deviation calculation module 220, configured to calculate the power deviation between the indicated output power and the current output power, and calculate the cumulative energy deviation of the generating set at the current moment;
[0110] The rate setting module 230 is configured to set the adjustment rate of the generating set according to the absolute value of the power deviation and the absolute value of the accumulated energy deviation.
[0111] Specifically, the rate setting module 230 ma...
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Abstract
The embodiment of the invention discloses a method and device for controlling output of a power generator set, which is applied to a power generator set control system. The method comprises the steps of receiving a dispatching instruction carrying with an indication output power, and determining a current output power of the power generator set; calculating power difference between the indication output power and the current output power, and calculating accumulation difference of the power generator at a current moment; and setting adjustment ratio of the power generator set according to an absolute value of the power difference and an absolute value of the accumulation energy difference. With the adoption of the method disclosed by the scheme, the current output of the power generator set can be controlled according to a set adjustment ratio tracking dispatching instruction, the difference between the actual output power of the power generator set and the output power indicated in the power dispatching instruction is controlled within an adjustable range of an energy storagesystem, and an overcharge or overdischarge phenomenon of the energy storagesystem is prevented.
Description
technical field [0001] The invention relates to the field of electric power technology, in particular to a method and device for controlling the output of a generating set. Background technique [0002] In the power generation system, it includes a generator set for generating output, a generator set control system for controlling the generator set, and an energy storagesystem for coordinating the operation of the generator set. The energy storage system and the generator set jointly respond to the automatic generation control (AGC) scheduling command to operate, and the overall output provided by the power generation system is changed from the output of the generator set to the sum of the output of the generator set and the energy storage system, which can realize the energy storage system. Complementary with the advantages of generator sets. [0003] In the actual operation process, the energy storage system, as a fast response unit, meets the requirements of fast AGC di...
Claims
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Application Information
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