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Control system for turbine

An instrument control system, steam turbine technology, applied in mechanical equipment, engine components, machines/engines, etc., can solve problems such as inability to achieve inspection, troubleshooting, lack of online debugging function and dual-machine test interlock function, etc., to avoid The effect of equipment damage accidents, reducing personnel input, and avoiding safety accidents

Active Publication Date: 2012-12-19
德阳瑞能电力科技有限公司
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  • Abstract
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AI Technical Summary

Problems solved by technology

However, many I&C systems on the market do not have the online debugging function and the interlocking function of the two-machine test, so it is impossible to check and troubleshoot the unit under the running state.

Method used

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  • Control system for turbine
  • Control system for turbine
  • Control system for turbine

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Embodiment Construction

[0024] Such as Figure 1~3 As shown, the steam turbine instrument control system of the present invention includes:

[0025] The safety monitoring unit 5 monitors the operation of the steam turbine generator set, measures the on-site analog signal and converts it into an electrical signal, and completes the collection, monitoring, and alarm of the steam turbine set operating parameters. The parameter acquisition part of the safety monitoring unit 5 is used to receive on-site sensor signals, such as steam turbine speed signals, vibration signals, axial displacement signals, and the like. After receiving the above-mentioned signals, the sampling loop inside the safety monitoring unit 5 processes, analyzes and calculates the signals, and the display module of the safety monitoring unit 5 displays the current measurement value and alarm and shutdown status in real time. At the same time, the safety monitoring unit 5 outputs a corresponding analog signal to the distributed control...

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Abstract

The invention provides a control system for a turbine, which comprises a safety monitoring unit, a digital electro-hydraulic control unit, an operator station, an oil engine controller and a distributed control unit, wherein an emergency tripping unit is arranged in the control system; when a halting signal is monitored by the safety monitoring unit, the distributed control unit or the digital electro-hydraulic control unit, an electric signal is sent to the emergency tripping unit; and the emergency tripping unit can realize the two functions of sending a control signal for performing loop check on a field failure line to the distributed control unit or sending a shutdown signal to a main throttle valve switch and sending the halting signal of the oil engine controller to the digital electro-hydraulic control unit. An emergency tripping function, a safety monitoring function, a digital electro-hydraulic control function, a servo control function and a distributed control function are integrated on the control system for the turbine; the data collision and the personnel investment can be reduced; an on-line debugging function of a machine set is realized; and the control system has double-machine state tracking and interlocking functions and can undertake the main control and monitoring protecting functions of a turbine generator set.

Description

technical field [0001] The invention relates to the field of steam turbine manufacturing, in particular to an instrument control system of a steam turbine. Background technique [0002] At present, most steam turbine I&C systems on the market generally adopt a combined configuration, that is, if monitoring functions are required, a safety monitoring system is provided; if unit protection functions are required, a critical blocking system is provided. However, these different system devices often come from different manufacturers, and their power supply types and safety levels are different. Various power supplies need to be provided during on-site installation, and the debugging process requires the cooperation of debugging personnel to solve the joint debugging work between devices. There are various options for some equipment. Even a professional debugging team cannot understand all types of equipment, and some equipment may be incompatible with each other due to poor comm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01D21/00
Inventor 李杰陆晓阳
Owner 德阳瑞能电力科技有限公司
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