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A method and device for controlling the output of a generating set

A technology for generating sets and indicating output, applied in the field of electric power, can solve problems such as reducing the regulating pressure of generating sets, overcharging or over-discharging of energy storage systems, etc.

Active Publication Date: 2019-11-15
北京睿能世纪科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[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

Method used

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  • A method and device for controlling the output of a generating set
  • A method and device for controlling the output of a generating set

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Embodiment 1

[0059] First, it should be noted that the generator set described in the present invention can be any form of generator set, such as a thermal power unit, a wind power unit, a hydropower unit, or a nuclear power unit.

[0060] The following describes a method for controlling the output of a generator set provided by an embodiment of the present invention, such as figure 1 As shown, an embodiment of the present invention provides a method for controlling the output of a generator set, which is applied to a generator set control system, and the method may include:

[0061] S101: Receive a dispatch instruction carrying an indication output power, and determine the current output power of the generator set;

[0062] It should be noted that the dispatch instruction carries the indicated output power P Instructions , That is, the total output power provided by the power generation system. The dispatching instruction may be a dispatching instruction directly from the power grid, or a disp...

Embodiment 2

[0107] Such as figure 2 Shown is a schematic structural diagram of a device for controlling the output of a generator set provided by an embodiment of the present invention. The device is used to perform the above figure 1 In the method shown, the device may include:

[0108] The dispatch instruction receiving module 210 is used to receive dispatch instructions carrying the indicated output power and determine the current output power of the generator set;

[0109] The deviation calculation module 220 is configured to calculate the power deviation between the indicated output power and the current output power, and calculate the cumulative energy deviation of the generator set at the current moment;

[0110] The rate setting module 230 is configured to set the adjustment rate of the generator 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 may include:

[0112] The...

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Abstract

The embodiment of the present invention discloses a method and device for controlling the output of a generator set, which is applied to a generator set control system. The method includes: receiving a dispatch instruction carrying an indicated output power, and determining the current output power of the generator set; calculating the Indicate the power deviation between the output power and the current output power, and calculate the cumulative energy deviation of the generator set at the current moment; set the adjustment rate of the generator set according to the absolute value of the power deviation and the absolute value of the accumulated energy deviation. With this scheme, the current output power of the generating set can be controlled to follow the dispatching instruction according to the set adjustment rate, and the deviation between the actual output power of the generating set and the output power indicated in the power dispatching instruction can be controlled within the adjustable range of the energy storage system. Avoid overcharging or overdischarging of the energy storage system.

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 generator set. Background technique [0002] The power generation system includes a generator set for generating output, a generator set control system for controlling the generator set, and an energy storage system for cooperating with the operation of the generator set. The energy storage system and the generator set jointly respond to automatic power generation control (AGC) dispatching instructions. The overall output provided by the power generation system is converted 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 acts as a fast response unit to meet the requirements of fast AGC scheduling com...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02P9/00H02J3/48
CPCH02J3/381H02J3/48H02P9/00
Inventor 薛飞牟镠峰
Owner 北京睿能世纪科技有限公司
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