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Introduce the Ankerui energy efficiency management system, using intelligent power meters to collect various electrical parameters of the 10KV power distribution site. The system adopts the on-site local networking mode. After the network is connected, it is transmitted to the monitoring background through fieldbus communication. Through the energy efficiency management system, the real-time monitoring, analysis and management of the power distribution circuit of the substation are realized.
Yang Junjun
1 Ankerui Electric Co., Ltd., Jiading, Shanghai 201801, China;
0 Overview
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Founded in 1962, Jinan Meide Foundry Co., Ltd. has developed into a large-scale plant, three branch factories, an independent accounting steel pipe company, and a science and technology park. It produces and supplies large-scale pipe fluid fittings and electric iron castings. Enterprise Group. Strong. The same industry in the world, with the largest production scale, the most complete varieties and the widest sales area. Provide water treatment, fire protection, air conditioning and refrigeration, mining, machinery, equipment, electricity and other services for pipelines, valves, pipe fittings, electric power fittings and other products for different markets.
The plant mainly has 1 10KV incoming line, 5 way transformer (10KV/0.4KV) and several 0.4KV feeder circuits.
1, customer needs
The company's annual input cost in terms of electricity consumption is relatively large. The main reasons for the quality of electricity consumption and the details of electricity consumption are not clear. It has caused a lot of confusion for the electricity management personnel. According to its actual situation, the following requirements are proposed:
1. When the current of the transformer exceeds the limit, it cannot be known by the management personnel in real time. There is a hidden danger in the safe use of electricity, and the system needs to be able to implement the SMS alarm function.
2. The factory workers are 3 squad, manual meter reading can not be accurate to the specific electricity consumption of each squad, can not truly achieve internal performance assessment.
3. Real-time monitoring of transformer real-time current, voltage, power and energy consumption fluctuations.
4. It is possible to check the daily electricity consumption of a specific loop or several loops, and compare them to form a pie chart and a bar graph.
5. Each transformer can check the energy consumption of the day, the energy consumption yesterday and the energy consumption value of the same period.
6. The system can realize the year-on-year and aspect ratio analysis functions.
7. The system can be accessed remotely, so that the administrator can view the working status of the electrical circuit of the engineering system at any time.
According to the needs of users, it is necessary to establish an energy efficiency management system (mainly real-time data monitoring and energy consumption data processing analysis) for the 10KV substation of Maanshan Iron and Steel Co., Ltd., and set up a monitoring platform in the duty room next to the 10KV substation to monitor the real-time loop after the transformation. Statistics and analysis to ensure safe, reliable and efficient use of electricity.
The Ankerui energy efficiency management system makes full use of the latest developments in modern electronic technology, computer technology, network technology and fieldbus technology, and performs distributed data collection and centralized monitoring and management of the variable power distribution system. The secondary equipment of the power distribution system is networked, and the field devices of the distributed power distribution stations are connected into an organic whole through the computer and the communication network to realize remote monitoring, centralized management and energy efficiency analysis of the power grid operation. Hardware Business Network Information Center)http://news.chinawj.com.cn
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