With this system, a user can add more than two mobile numbers to receive and control the substation equipment. For electrical engineers, designing the supervisory control and data acquisition system scada for an electrical substation can be a daunting task, if not confusing with the different ways you can connect various intelligent electronic devices ieds based on protocols each device supports. Gsmbased substation automation using plc and scada software. Control and relay panel is most important equipment of the substation as it work as shield guard for all substation equipments and electrical network. A limiting factor when implementing largescale optimization methods is the lack of established communication standards in the substation s control system and heat meters. Evaluation of a centralized substation protection and control system for hvmv substation jens ljungberg today, conventional substation protection and control systems are of a widely distributed character. Before powering up the system, make sure that the interior of the control is free of loose debris, metal shavings, or shipping materials. Supervisory control and data acquisition scada control center provides network status, enables remote control, optimizes system performance, facilitates emergency operations, dispatching repair crews and coordination with other utilities. The sms 510 substation monitoring tool is the successor of the proven sms 010 substation monitoring packages. It also adds the ability to interface to a large amount of data from ieds and to a small to medium amount of locallywired data acquisition and control devices in the substation.
The input for a distribution substation is typically at least two transmission or subtransmission lines. This technical article, although not intended to cover substation design, includes some basic information on substation equipment layout, and other important design diagrams that a substation engineer should be able to handle without difficulty, in order to ensure reliable and safe work of. The ntx200 substation controller, smallest of our ntx series modular substation system designs, incorporates complete substation management functionality. A control system for an electrical substation for transmission and distribution of electrical energy and equipment, comprising equipment for control, measurement, monitoring and protection of the substation. The functionality refers mainly to the given singleline diagram of the substation and the protection and control functions of the substation automation system. Ges supervisory control and data acquisition system. A substation is a part of an electrical generation, transmission, and distribution system.
The abb intelligent electronic devices ieds for protection and control are an integral part of the substation automation system. Workstations are highend pcs running graphical user interface gui software, and contain a multitude of graphic screens to simulate and display the dynamics of the power system within the substation. This brings up advantages to both end users and utility companies 6. To form a substation control system, the various elements described above must be assembled into some form of topology. An open system is an evolutionary means for a substation control system that is based on the use of nonproprietary, standard software and hardware interfaces.
As more ied devices are installed to the distribution network, the need for ied management, control, and the corresponding advanced application operation is a growing imperative. Further interlinking gives a very easy way to access data and provide control from a common point. Project improves reliability of the cap transmission system by providing a shorter direct line to the hassayampa pump plant as well as providing an injection point into the libertyparker transmission. This adds to equipment and engineering costs and increases the substation footprint. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. Additionally if there is any inadequacy in the protection, monitoring and control of a power system. Modular substation automation systems overview ge grid solutions. Combined together the sas and ied lay the foundation for all the higherlevel remote functions such as advanced power system management and the monitoring of the condition of the equipment while it is in service. Control may be automatic or manual and may occur at the remote units or the central computer. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. Station control and monitoring are the basis tasks of a substation automation system. Pdf microcontroller based substation monitoring and. Auxiliary dc control power system design for substations.
Thompson, schweitzer engineering laboratories, inc. Substations transform voltage from high to low, or the reverse, or perform any of several other important functions. Utilities applications siemens spectrum power land transport applications siemens spectrum power industry applications siemens spectrum power substation automation systems. Scada control system and parameters who should attend this course is designed for engineering project managers, engineers, and technicians from utilities who have built or are considering building or retrofitting substations or distribution systems with scada and substation integration and automation equipment. This unique experience has been very valuable when designing the building blocks of the todays substation automation concept. Since then, abb has delivered numerous systems throughout the world. To control power flow in the utility system by switching elements into or out of the utility system. Open systems enable future upgrades available from multiple suppliers at lower cost to be integrated with relative ease and low risk.
Evaluation of a centralized substation protection and. Local operation of the switchgear and other high voltage equipment acquisition of switchgear information and power system measurands handling of events and alarms. Beside this, its also important the performance of relays and the criteria for setting these. An automation system built on ges cyber secure multilin d400 gateway delivering ied station bus integration with capabilities to integrate the substation to an. Substation automation minsait acs, an indra company. The controller is the key component and accesses software through the internet. The 5th international power engineering and optimization conference peoco2011, shah alam, selangor, malaysia. Three major hardware topologies can be identified as being commonly used. To provide sources of reactive power for power factor correction or voltage control. Hence, the amount of huge power exchanges over long distances has turned out as a result of the lack of quality of the.
Abstractthe most critical component of a protection, con trol, and monitoring system is the auxiliary dc control power. It enables electric utility to remotely monitor, control and. Distribution substation automation in smart grid 65 substation automation sa can provide integral functions to the distribution grid automation. Hence, we require substation automation systems in the present day substations to efficiently control and deliver power. Design of iec 61850 based substation automation systems. Distribution voltages are typically medium voltage, between 2.
Pdf substation automation system using iec 61850 saeed. This application is related to human operation of the station. Substations are key components of the power grid, facilitating the efficient transmission and distribution of electricity. Substation automation systems make their control and monitoring possible. One substation can easily have as many as 50 data processing points that all perform similar algorithms on voltage and current data.
Abb has been automating those substations ensuring highest interoperability, thanks to international standards like iec 61850, and providing grid operators and owners with. The substation design manual is not intended to replace asset management standards, but rather. Protection relay or protective relay is a device designed to trip a circuit breaker when a fault is detected as matter of fact it is designe to protect power system. Best practices for protection and control applications for transmission substations. System architecture device interfaces and communication protocols in a substation that you configure and operate with sicam pas, you can use various types of protection units, ieds, bay control units, measuredvalue recorders and telecontrol units from a wide range of manufacturers. Control data generator set points transmission lines substation equipment critical.
Thus, this is a simple and lowcost type of gsmbased project that helps students to get a basic idea about the substation automation. Supervisory control and data acquisition scada introduction. Substation control systems scs remote terminal units rtu feeder automation rtu. Microcontroller based substation monitoring and control system with gsm modem. Transmission utilities distribution utilities and major private networks industrial network applications power generation exit substations. For each substation project, power system model must be validated at local substation and all remote adjacent substations.
The control system comprises a substantially common bus means for communicating measurements and signals and between transmission and distribution equipment and functions for control. Substation control an overview sciencedirect topics. Dcs distributed control system definition of scada is a monitoring andor control system that utilizes a central computer for storing information, and onsiteremote hardware to monitor facilities and processes. Best practices for protection and control applications for. Another solution is to use transfer trip to open feeder cb after wtg cbs open. To reach a great impact from these system wide control methods, a large number of substations need to be connected to the optimization system. Transmission system projects central arizona project. Between the generating station and consumer, electric power may flow through several substations at different voltage levels. If any of the original wire supplied with the system must be replaced, it must be replaced with type thhn wire or equivalent.
This is a list of communication protocols used for the automation of processes industrial or otherwise, such as for building automation, power system automation, automatic meter reading, and. The first commercial microprocessorbased control system in a substation was installed by abb in 1983. Substation automation system sas provides protection, control, automation, monitoring, and communication capabilities as a part of a comprehensive substation control and monitoring solution. The manual is applicable for all substation projects regardless of internalexternal design delivery mode. Access control system is comprised of a controller, reader, magnetic lock, and exit button. To improve the quality of power with suffer solution it is necessary to be familiar with what sort of constraint has occurred.
71 572 214 1644 27 1590 216 1558 469 1506 831 1458 956 45 289 1019 1100 1446 589 579 1275 1420 89 619 1518 1517 1369 863 1358 588 510 318 939 1276 1000 698 984 637 265 958 1036 160 401 1169 1252 1115