Supervisory control and data acquisition (SCADA) is an industrial control system which is used in many modern industries like energy, manufacturing, power, water transportation, etc. In power system, SCADA is used in all spheres system operations starting from generation, to transmission, to distribution, and to utilization of electricity.
The basic SCADA functions include data acquisition, remote control, human-machine interface, historical data analysis, and report writing, which are common to generation, transmission, and distribution systems.
SCADA is an integrated technology composed of the following four major parts: MDMS, Communication System, RTU, Field Equipment.
Communication System: This refers to the communication channels employed between the field equipment and the master station. The bandwidth of the channel limits the speed of communication.
MDMS: This is a collection of computers, peripherals, and appropriate input and output (I/O) systems that enable the operators to monitor the state of the power system (or a process) and control it.
Remote terminal unit (RTU): It’s like eyes, ears and hands in human body. It collects signal from field, then processes and sends to MDMS. MDMS send control signals to hands to act. Nowadays Intelligent Electronic Devices (IEDs) has been taken the place of RTU.
Communication among devices is key to successful SCADA implementation in modern power systems. Traditionally most vendors in the automation scenario established their own unique ("proprietary") way to communicate between devices. Getting two vendors' proprietary devices to communicate properly is a complex and expensive task. The possible solution to the problem is through two basic approaches:
Buy everything from one vendor.
Get vendors to agree on a standard communication interface.
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Speedsmartcomm was established in March 2008 with a registered capital of 657 million yuan. It was listed on the Shanghai Stock Exchange in October 2016 (stock code 603421). The company's headquarters is located in the Software Park of South District, Qingdao, China and has built a 360,000 square meters of high-tech industrial park in the high-tech zone.Speedsmartcomm Communication is actively involved in industrial fields such as "Ubiquitous IoT, Integrated Energy Efficiency Management, Power Information Communication, Arc-Fault Protection, and Smart Fire Protection". Speedsmartcomm communication has a profound technical reserves and perfect product system, focusing on the basic theoretical research of Power Line Carrier communication technology and Bus communication technology, has been developing many industry's leading integrated solutions and "software + hardware + service" products, which mainly used in the national smart grid data acquisition system. Speedsmartcomm communication has a rich experience in the power deepening application and information system construction. Relying on its in-depth understanding of smart grids, Speedsmartcomm has continued to develop technologies such as medium-voltage PLC, distribution network automation, power quality, 10kV charging stations, and arc fault protection in the field of low-voltage power consumption, and actively expand new areas of technology applications.Speedsmartcomm owns more than 200 independent intellectual property rights such as IC design, field communication, electronic technology and systems, participating in the formulation of 12 national-level power and fire industry related standards, and has won 3 national, provincial and municipal science and technology progress awards. It is a national high-tech enterprise, a key software enterprise within the national planning layout. Speedsmartcomm is certified by CCC, Measurement Management System, ISO9001, ISO14001, OHSAS18001, CNAS, etc.
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