Intelligent starting device and method for multiple gas turbine generator sets

A technology of generator set and starting device, which is applied in the direction of starting the engine, controlling the starting of the generator, and the starting of the turbine/propulsion device, etc., can solve the problems of no proposed method, achieve design standardization, and improve operability and maintainability. Effect

Pending Publication Date: 2022-03-11
DONGFANG ELECTRIC AUTOMATIC CONTROL ENG CO LTD
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  • Summary
  • Abstract
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Problems solved by technology

[0008] Another example is the document "Analysis and Improvement of Defects of Gas Turbine Generator Static Frequency Converter Switching Logic Disk" published in Issue 1 of 2017 by China Science and Technology Information, which discloses the analysis and improvement of defects of gas turbine generator static frequency converter switching logic disk Proposes the application of switching logic disks on gas turbine generators, but does not propose a specific method

Method used

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  • Intelligent starting device and method for multiple gas turbine generator sets
  • Intelligent starting device and method for multiple gas turbine generator sets
  • Intelligent starting device and method for multiple gas turbine generator sets

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Embodiment 1

[0046] This embodiment discloses an intelligent starting device for multiple gas turbine generator sets. The intelligent starting device is suitable for using any set of static frequency converters to realize the intelligent start of any gas turbine set, and realizes the turbine control system to the greatest extent. Design standardization with static frequency converters, as well as improved system operability and maintainability. Specifically, such as figure 1 As shown, the intelligent starting device includes a gas turbine unit, a static frequency converter, a switch panel, an excitation system and a neutral point grounding resistance cabinet, and the number of the static frequency converter and the number of switch panels are at least two, The number of static frequency converters and switch panels is the same, usually two sets, and the static frequency converters and switch panels are connected in one-to-one correspondence. There are at least two gas turbine sets, usuall...

Embodiment 2

[0064] This embodiment discloses an intelligent starting method for multiple gas turbine generator sets, such as Figure 4 As shown, it includes the following steps:

[0065] A. Selection of Gas Turbine Packages and Static Drives

[0066] The turbine control system sends a start command to the switch logic board, and the switch logic board selects the gas turbine unit to be started, the corresponding switch board and the static frequency converter to be started according to the start command.

[0067] B. control startup loop

[0068]The switching logic board controls the startup circuit between the gas turbine unit to be started and the static frequency converter to be started to enter the startup state according to the result of step A, so that the gas turbine unit to be started is formed with the static frequency converter to be started through the corresponding switch board. path.

[0069] C. Static frequency converter starts gas turbine unit

[0070] The switch logi...

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Abstract

The invention discloses an intelligent starting device and method for multiple gas turbine generator sets, and the device comprises at least two sets of gas turbine sets, at least two sets of static frequency converters, at least two sets of change-over switch panels, an excitation system, and a neutral point grounding resistor cabinet. Each gas turbine unit is correspondingly connected with an excitation system and a neutral point grounding resistor cabinet; a plurality of change-over switches are arranged in the change-over switch plates, any change-over switch plate is connected with each gas turbine unit through the change-over switch, and any static frequency converter can form a passage with any gas turbine unit through the change-over switch of any change-over switch plate. According to the method, the operation that any static frequency converter intelligently starts any gas turbine unit can be achieved according to the received starting instruction, design standardization of the turbine control system and the static frequency converters is achieved to the maximum extent, and operability and maintainability of the system are improved.

Description

technical field [0001] The invention belongs to the technical field of heavy-duty gas turbine static frequency converters, and in particular relates to an intelligent starting device and method for multiple gas turbine generating sets. Background technique [0002] With the extensive application of clean, high-efficiency, and good peak-shaving heavy-duty gas-steam combined cycle power plants, higher requirements are put forward for the gas turbine start-up system. [0003] The start-up process of the gas turbine unit refers to the process in which the gas turbine unit speeds up from a static or low-speed cranking state to a certain speed. For the F-type heavy-duty gas turbine, it is a process from 3 rpm to 2000 rpm, that is, the rotor of the gas turbine and generator is accelerated to a self-sustained speed, which means that the gas turbine can generate enough kinetic energy to drive the rotor to continue to accelerate , to reach the rated speed required by the unit. [00...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P9/08F02C7/26
CPCH02P9/08F02C7/26
Inventor 刘鹏邓旭东罗德庭王潇吴加坤王洋吴敌
Owner DONGFANG ELECTRIC AUTOMATIC CONTROL ENG CO LTD
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