CN-224217172-U - Whole process operation control experiment platform for electric power system

Abstract

The utility model discloses a whole process operation control experiment platform of a power system, which comprises a power system power plant operation control experiment system, a power transmission line operation control and protection experiment system, a transformer substation experiment system, a factory power supply and distribution operation control and protection experiment system and a power system whole process operation control system, wherein the power system power plant operation control experiment system comprises a generator set and a power plant control cabinet, the power plant control cabinet is connected with the generator set, the generator set is connected with the power transmission line operation control and protection experiment system, the power transmission line operation control and protection experiment system is connected with the transformer substation experiment system, the transformer substation experiment system is connected with the factory power supply and distribution operation control and protection experiment system, the integrated functions of power generation, transmission, distribution and power utilization are achieved, the integrated functions are more reasonable and advanced in software and hardware design, students can conduct whole-process experiment operation of the power system on the same platform, operation and control of the power system are known, and safety and stability of an experiment process are guaranteed.

Inventors

• ZHANG HAOYOU
• HE QIANG
• CHEN WENBIN
• HUANG MINGWU

Assignees

• 杭州求晟科技有限公司

Dates

Publication Date

20260508

Application Date

20250417

Claims (10)

1. 1. The whole process operation control experiment platform for the power system is characterized by comprising a power system power plant operation control experiment system (1), a power transmission line operation control and protection experiment system (2), a transformer substation experiment system (3), a factory power supply and distribution operation control and protection experiment system (4) and a power system whole process operation control system (5), wherein the power system power plant operation control experiment system (1) comprises a generator set (11) and a power plant control cabinet (12), the power plant control cabinet (12) is connected with the generator set (11), the generator set (11) is connected with the power transmission line operation control and protection experiment system (2), the power transmission line operation control and protection experiment system (2) is connected with the transformer substation experiment system (3), the transformer substation experiment system power supply and distribution operation control and protection experiment system (4), and the power system power plant operation control experiment system (1), the power transmission line operation control and protection experiment system (2), the transformer substation experiment system (3), the factory power supply and distribution experiment system (4) are connected with the power system whole process operation control system (5).
2. 2. The whole process operation and control experiment platform for the power system according to claim 1, wherein the power transmission line and protection experiment system (2) comprises a multi-section inductor (21) and a resistor (22), the multi-section inductor is respectively connected with a generator set (11), a factory power supply and distribution operation and control and protection experiment system (4), and the resistor (22), the generator set (11) and a transformer substation experiment system (3).
3. 3. The whole process operation and control experiment platform for the electric power system according to claim 2, wherein the electric power transmission line and protection experiment system (2) further comprises a microcomputer line protection device (23) and a microcomputer distance protection device (24), and the microcomputer line protection device (23) and the microcomputer distance protection device (24) are connected to the rear ends of the multi-section inductor (21) and the resistor (22).
4. 4. The whole process operation and control experiment platform for the power system according to claim 1, wherein the substation experiment system (3) comprises an experiment control device (31) and an experiment generating device (32), the experiment generating device (32) is connected with the power transmission line and the protection experiment system (2), and the experiment control device (31) is connected with the experiment generating device (32).
5. 5. The whole process operation control experiment platform for an electric power system according to claim 4, wherein the experiment control device (31) is specifically a system for controlling and simulating a substation experiment by using a system simulation operation screen.
6. 6. The whole process operation control experiment platform of the power system according to claim 4, wherein the experiment generating device (32) comprises a relay protection cabinet (321) and a monitoring master station (322), the relay protection cabinet (321) is connected with a factory power supply and distribution operation control and protection experiment system (4) for simulation, and the monitoring master station (322) is connected with the relay protection cabinet (321) to realize a telecontrol function.
7. 7. The whole process operation and control experiment platform for the power system according to claim 1 or 6, wherein the factory power supply and distribution operation and control and protection experiment system (4) comprises a substation simulation power supply and distribution system (41), and the substation simulation power supply and distribution system (41) is respectively connected with a relay protection cabinet (321) and the whole process operation and control system (5) of the power system.
8. 8. The whole process operation and control experiment platform of the power system according to claim 1, wherein the whole process operation and control system (5) of the power system comprises an AGC power generation control system (51), an AVC voltage control system (52) and a power data acquisition system (53), and the front ends of the AGC power generation control system (51), the AVC voltage control system (52) and the power data acquisition system (53) are respectively connected with the operation and control experiment system (1) of the power plant of the power system, the operation and control and protection experiment system (2) of the power transmission line and the operation and control and protection experiment system (4) of the power supply and distribution of the factory.
9. 9. The whole process operation control experiment platform of the electric power system according to claim 8, wherein the whole process operation control system (5) of the electric power system further comprises an EDC scheduling system (54), and the EDC scheduling system (54) is connected with the AGC power generation control system (51), the AVC voltage control system (52) and the electric power data acquisition system (53).
10. 10. The whole process operation and control experiment platform for the power system according to claim 1, wherein the whole process operation and control experiment system (1) for the power system, the operation and control and protection experiment system (2) for the power transmission line, the experiment system (3) for the transformer substation, the operation and control and protection experiment system (4) for the power supply and distribution of the factory and the whole process operation and control system (5) for the power system are connected and transmitted through aviation cables.

Description

Whole process operation control experiment platform for electric power system Technical Field The utility model relates to the technical field of electric power experimental equipment, in particular to an overall process operation control experimental platform of an electric power system. Background With the continuous development of power system technology, the importance of power system automation, microcomputer line protection, power grid monitoring and dispatching automation related courses in power and electrical major teaching of universities is increasingly highlighted, and the existing power system experimental equipment has a plurality of defects. On the one hand, the traditional experimental equipment is mostly an isolated single platform, the integration of power generation, power transmission, power distribution and power utilization of the power system engineering can not be realized, a real and complex power system network is difficult to provide, the whole process operation and control of the power system can not be comprehensively known by students in the learning process, and the teaching effect and the cultivation of the practical capability of the students are influenced. On the other hand, the software of the existing experimental equipment has defects in the aspects of data security management and remote monitoring, and cannot meet the requirements of modern electric power system experiment teaching on data security and remote monitoring. In addition, the hardware structure and the connection mode of the experimental equipment are unreasonable, for example, the primary system and the secondary system are not separated, so that the experimental process is not intuitive and real enough, and the on-site operation and maintenance are inconvenient. In the power system experiment teaching, the traditional experimental equipment can only simulate a single power system link, for example, can only simulate the operation of a power plant or the protection of a power transmission line, and cannot realize the whole process operation control experiment of the whole power system. The method makes it difficult for students to establish global concept of the whole power system in the learning process, and cannot comprehensively grasp the mutual connection and coordinated operation among links of the power system, so that the understanding and grasp of the students on the whole operation mechanism of the power system are affected. Meanwhile, with the development of computer and communication technologies, the power system automation technology is deeply changed, gradually develops from local and single-function automation to overall system comprehensive automation, and extends from transmission network automation to power supply and distribution network automation. However, the existing power system experimental equipment cannot keep up with the development trend in time in terms of hardware structure and software function, and cannot meet the requirement of comprehensive automation experiments of the power system in teaching. Therefore, a whole process operation control experiment platform of an electric power system is provided, and the whole process operation control experiment platform is used for solving the technical problems. Disclosure of utility model The utility model aims to solve the technical problems and provide the whole process operation control experiment platform for the electric power system, which has the functions of integrating power generation, power transmission, power distribution and power utilization, can provide a real and complex electric power system network, is more reasonable and advanced in software and hardware design, enables students to perform the whole process experiment operation of the electric power system on the same platform, comprehensively knows the operation and control of the electric power system, and ensures the safety and stability of the experiment process. The technical scheme includes that the whole process operation and control experiment platform for the power system comprises a power system power plant operation and control experiment system, a power transmission line operation and control and protection experiment system, a transformer substation experiment system, a factory power supply and distribution operation and control experiment system and a whole process operation and control system for the power system, wherein the power system power plant operation and control experiment system comprises a generator set and a power plant control cabinet, the power plant control cabinet is connected with the generator set, the generator set is connected with the power transmission line operation and control and protection experiment system, the power transmission line operation and control and protection experiment system is connected with the transformer substation experiment system, the transformer substation experiment system is connected with the fac