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Generator, transmission line and machine network early warning and pre-control method and system

A technology of transmission lines and generators, applied in the field of machine-network coordination, safe and stable operation, early warning and pre-control systems, can solve problems such as inability to accurately calculate reserve capacity, and achieve the effect of improving response speed

Active Publication Date: 2020-08-07
王小雨
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the above-mentioned relevant models can visually display the operating status of generators and electrical systems, and can visually display the disturbance status of electrical systems and generators, they do not yet have the ability to accurately calculate the accident reserve capacity of generators or electrical systems, and guide the field to the power grid. Strong and stable direction adjustment ability

Method used

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  • Generator, transmission line and machine network early warning and pre-control method and system
  • Generator, transmission line and machine network early warning and pre-control method and system
  • Generator, transmission line and machine network early warning and pre-control method and system

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Embodiment Construction

[0166] The method for monitoring and controlling the running state of generators of the present invention, the method for monitoring and controlling the running state of multiple generators in a power plant, the method for monitoring and controlling the running state of generators in multiple power plants and the system for monitoring and controlling the running state of generators of the present invention will be described below in conjunction with the accompanying drawings 1. The system for monitoring and controlling the running status of multiple generators in a power plant, and the system for monitoring and controlling the running status of multiple generators in a power plant are further explained.

[0167] The calculation and control method of the dynamic reserve power of the synchronous generator of the present invention,

[0168] a. Collect electrical quantity, monitor device program processing;

[0169] Also includes steps:

[0170] b. According to the allowable outp...

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Abstract

The present invention relates to power generators, a power transmission line and generator unit-grid early warning and early control method and system, particularly, a method for accurately calculating and controlling the dynamic reserve power of the power generators or the power transmission line and a generator unit and grid coordination early warning and early control system for safe and stable operation. The method and system can guide a duty worker in a power plant or a substation to coordinate onto a stronger power grid for the stable operation of the power generators or the power transmission line and to early warn a hidden unstable operation state. The dynamic reserve power of the power generators or the power transmission line is calculated in real time; a generator unit and grid coordination PQ curve range is calculated; and the power plant or the substation is guided to make adjustments safely and stably. Therefore, all automatic stable adjustment devices in the substation are ensured to have in real time an enough accident reserve adjustment space and effective thermal standby, so that an accurate adjustment can be carried out in a system disturbance state, and a failure due to lack of the adjustment space, or protection maloperation or secondary disturbance caused by an over adjustment can be avoided; and the accident reserve power of the whole substation can be ensured to have real-time high performance and realize real-time maximization, and co-management of a generator unit -grid coordination safe and stable operation mechanism by the substation and scheduling can be realized.

Description

technical field [0001] The invention relates to the safe and stable operation pre-warning and pre-control of electric systems in power plants and substations. Specifically, it involves an accurate calculation and control method of reserve power of generators and transmission lines, and an early warning and pre-control system for coordinated safe and stable operation of machines and networks. Background technique [0002] In the operation of the power system, operators need to constantly monitor and analyze the operating conditions of the power plant and the power system, and manually or automatically adjust the system and the active and reactive power distribution of the power plant to maintain the system frequency and voltage within the allowable range and ensure the maximum guarantee The system and synchronous generator run stably, and in the abnormal state of the system, it can visually monitor and analyze the disturbance state of the system or generator, analyze the dist...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/48H02J3/50
CPCH02J3/48H02J3/50
Inventor 王小雨王照雷
Owner 王小雨
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