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Method and system for improving loading capacity of generator unit

A generator set and capacity technology, which is applied in the direction of controlling generators, control systems, electrical components, etc., can solve problems such as insufficient loading capacity, and achieve the effects of optimizing loading performance, improving loading capacity, and reducing model selection

Inactive Publication Date: 2015-04-29
远大能源利用管理有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the situation in the prior art that the loading capacity of the combined cooling, heating and power system is easily insufficient when the island is running, the present invention provides a method and system for improving the loading capacity of the generator set by using a frequency converter, while ensuring the normal operation of the system In some cases, the load capacity of the generating set can be improved by controlling the frequency of the inverter

Method used

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  • Method and system for improving loading capacity of generator unit
  • Method and system for improving loading capacity of generator unit
  • Method and system for improving loading capacity of generator unit

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Embodiment 1

[0045] Based on the above, this embodiment provides a method for improving the loading capacity of a generator set, which is applied to the generator set and at least one load connected to the generator set that is controlled by a frequency converter. The flow chart of the method is as follows: figure 2 shown, including the following steps:

[0046] Step S101 , providing a generator set and at least one first load connected to the generator set, wherein the opening and closing of the first load is controlled by a frequency converter. It can also be said that the first load is the frequency converter load.

[0047] Step S102: When the second load connected to the generator set increases, the operating frequency of the inverter is reduced, wherein the second load is controlled to start and close by the soft starter. The genset load controlled by the starter. The generator set load is all the loads loaded on the generator set, including the inverter load and the soft starter lo...

Embodiment 2

[0072] Based on the first embodiment, this embodiment also provides a system for implementing a method for improving the loading capacity of a generator set, that is, a system for improving the loading capacity of a generator set. The schematic diagram is as follows: Figure 10 shown, including:

[0073] The generator set 10 is used to provide working power for at least one first load 21 connected to the generator set 10, wherein the first load 21 is controlled to be turned on and off by a frequency converter (not shown in the figure).

[0074] The controller 30 is used to reduce the operating frequency of the inverter when detecting that the second load 22 is loaded on the generator set 10, wherein the controller is connected to the generator set 10, the first load 21 and the second load 22, and the second load 22 is controlled on and off by a soft starter (not shown).

[0075] According to an embodiment of the present invention, reducing the operating frequency of the frequen...

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Abstract

The invention provides a method and system for improving the loading capacity of a generator unit. The method is applied to the generator unit and at least one load connected with the generator unit and controlled by a frequency converter. The method comprises the steps that when the number of the loads connected with the generator unit is increased, the operation frequency of the frequency converter is reduced, and the additionally arranged load is controlled by a soft starter to be started and stopped. According to the method for improving the loading capacity of the generator unit, through control over the operation frequency of the frequency converter, on the premise that normal operation of a system is not influenced by the device controlled by the frequency converter, other devices such as a load are started, and the operation frequency of the frequency converter is reduced at the same time; in this way, the loading capacity of the generator set is improved, the loading performance of the generator unit is optimized, type selection of generator units even can be reduced, and initial investment and operation cost of the system are reduced. In addition, the invention further provides the system for improving the loading capacity of the generator unit.

Description

technical field [0001] The invention relates to the control field of a combined cooling, heating and power supply system, in particular to a method and a system for improving the loading capacity of a generator set by using a frequency converter. Background technique [0002] Combined cooling, heating and power system refers to the use of natural gas as the main fuel to drive gas turbines, micro-gas turbines or internal combustion engine generators and other gas-fired power generation equipment to operate, and the generated power supplies the power needs of users. Waste heat boilers or waste heat direct combustion machines, etc.) supply heating and cooling to users. [0003] The combined cooling, heating and power system is a combined system that can produce electricity and cooling and heating at the same time, which can improve the utilization rate of primary energy and realize the cascade utilization of energy. Among them, the gas-fired internal heat generator set is in a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P9/42
CPCH02P9/42
Inventor 张晓东马俊峰
Owner 远大能源利用管理有限公司