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Springer Nature Singapore Pte Ltd. 2017

Yang Xu (ed.) Nuclear Power Plants: Innovative Technologies for Instrumentation and Control Systems Lecture Notes in Electrical Engineering 10.1007/978-981-10-3361-2_1

3D Digital Virtual Simulation Application System for Technical Management of Nuclear Power Station Equipment

Yi-Yang Xing 1, Hua-Bo Huang 1 and Xiao-Ming Yang 1

(1)

Nanjing Isane Information Technology Co., Ltd., No. 6, Jiangjun Avenue, Jiangning District, Nanjing City, 210000, Jiangsu Province, China

Hua-Bo Huang

Email:

Abstract

3D digital virtual simulation application system is designed to improve the risk prevention capability, reduce the maintenance cost and strengthen the refined technical management of nuclear power station equipment. By using virtual reality technology, the assembly and disassembly process, maintenance process and operation principle of nuclear power station equipment can be displayed and simulated in the system. And with the effective association between 3D model, operation data and maintenance data, the system can help professionals to improve and standardize the management of maintenance, quality control and engineering log. This paper expounds the application value and function of the 3D digital virtual simulation of nuclear power station, and presents the technical route of the whole software system.

Keywords

Nuclear power station Technical management of equipment Virtual reality 3D Simulation application

Introduction

According to the 13th Five-Year Plan in China, the installed capacity of operational nuclear power station will reach 58 million kW, and those of nuclear power station under construction will reach 30 million kW in 2020, which will increase the nuclear power generation ratio from 2 to 4%. It is expected that the nuclear power generation ratio will be increased to 810% till 2030, which indicates nuclear power is an important direction for the development of Chinese energy structure optimization. However, due to the particularity of production object and process of nuclear power, safety problem has attracted a lot of attention. Except the safety measures in the design of reactor, excellent equipment technical management of professionals is also an important factor in ensuring the safety of nuclear power plant.

Equipment maintenance is important work of nuclear power station equipment technical management. There are two kinds of maintenance: one is to ensure the normal operation of system and equipment as designed, and the other one is to repair the failure system and equipment to restore the operational ability as designed. The maintenance of nuclear power station is different from those of the conventional power station or other industrial plants for its large scale, complex equipment, big loss of outage, its importance in nuclear safety and public health protection. Therefore, the technical requirements of equipment maintenance of nuclear power station is very high. The short-term task of nuclear power station maintenance department is to repair the failure equipment as soon as possible to ensure the secure and reliable operation of the units, and the long-term task is to analyze the failure, find out the countermeasures, formulate and improve the practical maintenance plan, and implement the plan.

By using virtual reality technology, combined with database, software, network and graphics technology, 3D digital virtual simulation application system of nuclear power station equipment technical management can establish a 3D digital equipment technical management platform with integrated services, data information and 3D visualization. The 3D display and virtual simulation of equipment structure, disassembly and assembly process of equipment, maintenance process and operating principle can be achieved through this platform, also a comprehensive and effective association among the online operation data, historical maintenance data and equipment basic information can be created in the 3D environment. Therefore, for the equipment technical management with core work of maintenance, both short-term and long-term task, the professionals can understand equipment location, structure, environment, current status and historical maintenance data through the platform in real-time, which helps to formulate quickly and effectively the construction and maintenance, quality control, debugging and commissioning, acceptance check plan and the allocation of related resources, and provides the 3D visualization means for nuclear power station maintenance safety, standardization and speedy and thus to enhance refined equipment technical management and improve the risk prevention capacity of nuclear power station.

System Design

A B/S architecture is used in nuclear power station equipment technical management virtual simulation application software. The application function and database are deployed in the back server. Client of nuclear power station network can access the system through web browser, and operate the corresponding function according to the operating authority.

2.1 System Function Design

The 3D digital virtual simulation application software of nuclear power station equipment technical management includes five parts: 3D visualization model, 3D equipment log, equipment maintenance process simulation, equipment operation principle simulation, and equipment operation parameters in real-time 3D display. First, set up visualized models for nuclear power station and all equipment, then develop integrated application software for 3D models and equipment technical management logic, database, and interactive operation, forming a 3D digitized virtual simulation platform, achieving 3D virtual simulation and refined technical management implementation of each equipment structure, principle and maintenance process.

Nuclear power plant equipment management level and technical proficiency is one of the important factors to guarantee the safety of the nuclear power plant, the 3D simulation system of nuclear power plant has a realization of a simple display device or roaming [).

Fig. 1

System function structure

2.2 Technical Architecture

The technical architecture of 3D digital virtual simulation application system of nuclear power station equipment technical management includes the core 3D digital engine, 3D scene editing, IDE integrated development environment and 3D display.

1. Resolve equipment 3D model into 3D image through graphics rendering of 3D engine, the rendering effect is related to the equipment material.
2. Achieve roaming function of 3D scene through scene editing, 3D coordinate and angle of camera controlling and other development of technical parameters.
3. Simulate the wind, steam, smoke, water and other effects in real world through controlling the particle emission rate, emission direction, particle density and other parameters of the particle system in 3D engine by mathematical calculation.
4. Read and modify the related equipment information in relational database through data exchange module to realize the integration of management information system and 3D digital virtual simulation application system.
5. The system support iOS, Android, Window and Mac operating systems, and support web browsers (Fig. ).

   

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