The microcontroller seen in figure 3 is the heart of the project. Switchgear and switchyards distribution and transmission substations. Providing the protection to the distribution transformer can be accomplished by shutting down the entire unit and displays the values at substation display unit. Cn1043510a transformer substation indoor environment. The proposed online monitoring system integrates a global service mobile gsm. Solution details autotracking enables the remote monitoring of station workers and. Index terms serial communication, transformer, substation, algorithm, microcontroller, gsm, pic. An efficient monitoring of substations using microcontroller based. Remote monitoring equipment the newest technology being used for remote monitoring of transformers includes a combination of a remote terminal unit, a programmable language controller, a gateway a network node equipped for interfacing with another network that uses different protocols, and a protocol converter. Gsm based scada monitoring and control system substation. The wimo monitoring system for distribution transformers a, the wimo controller tmu with a gsm module in a transformer substation. The integrated safegrid solution consists of an easytouse software application aims for central monitoring of remote substation sites, plus an allinone sensor connectivity platform that can be quickly and easily deployed. Remote control of mv switchgear at secondary substations. The transformer fed several households, each with a grid connected photovoltaic system, and it was identified that the power factor at the transformer attained strange low.
New techniques for the monitoring of transformer condition. Electric substations with equipment used to convert highvoltage, extrahighvoltage ehv, or ultrahighvoltage uhv transmission lines to the intermediate voltage subtransmission lines or to switch subtransmission circuits operating at voltages in the range of 34. Reuse of data within these ieds for the purpose of equipment monitoring minimizes the need for new devices, such as specialpurpose meters and sensors. Design of an industrial iotbased monitoring system for power substations article pdf available in ieee transactions on industry applications pp99. Increase system awarenessin addition to basic metering, such as voltage and current measurements, the sel2414 also provides metrics, such as maximumminimum metering. Thus, the system presented here addresses the condition monitoring and diagnosis of critical assets in secondary distribution substations sds, namely operating status and internal and external conditions. Ep3521843a1 system for monitoring transformer stations. A remote condition monitoring system for distribution transformer is discussed here.
As discussed earlier, maintenance of a transformer is one of the biggest problems in the electricity board eb. In order to ensure the proper functioning of substations and related equipment such as linemounted switches and capacitors, most utilities. Power transformers substation protection power switching elements control room session 2. The only connection with ellevios system is the unidirectional file transfer of measurement data from system b to the. The transformer will be continuously monitored by the designed monitoring and to achieve this objective a prototype model is designed for. The swiss utility aew energie ag based in aargau is responsible for operating and maintaining a large number of substations as well as the medium and lowvoltage networks in its region. Cn201774315u online temperature wireless monitoring system. Thermal monitoring information of a dry transformer screen menu 36.
This model was chosen because of the number of pins available. Substations are a critical component for maintaining electrical supply and load control in low voltage, medium voltage and high voltage electrical distribution networks. Implementation of web based intelligent substation power. Perimeter protection ensures substation security with an access control system, remote 247 surveillance and perimeter intrusion alarm. To monitor a transformer substation an operator needs the web browser such as microsoft explorer or netscape. Remote monitoring system improvements robert spelman, pe supervisor, ug distribution standards. Distribution transformer condition monitoring system should be developed by considering economic aspects also. Verifying power system model to fully understand power system, we must work with accurate power system model for each substation project, power system model must be validated at. Transformer core losses are minimal but embedded in the system for their life.
Installing a complete station surveillance system provides remote status analysis of key equipment and instruments. Abstract the paper proposes an innovative design to develop a system based on avr micro controller that is used for monitoring the voltage, current and temperature of a distribution transformer in a substation and to protect the system. Discusses in detail how to build video and monitoring information platform, the paper introduces the design principles and the structure of the system. A survey of the most important methods for online monitoring and offline diagnostics is given in this paper. The transformer fed several households, each with a grid. Microcontroller for our project we will use the pic18f4550. Monitoring and controlling by the proposed system the values of voltage, current and temperature of the transformer is directly applied to port a one of the input ports of the avr microcontroller.
Several monitoring systems for power transformers have been developed, such as those described in 1 and. Those cannot be directly implemented in distribution transformers. This allows smaller installations such as pumping stations, transformer stations or transformer substations to be monitored and controlled remotely. The solution automates monitoring and control of site access, monitors employee safety in. The introduction of secondary substation monitoring and control system did not require new scada or dms systems to the control centre. The existing systems were just enhanced by a few new functions. Distribution automation remote monitoring, control. Best practices for protection and control applications for. Distribution automation remote monitoring, control and. Monitoring, controlling and automation of secondary substations. Remote data monitoring and data analysis for substationsa.
How new technologies can improve monitoring and control by lourenco teodoro, indusoft substations are a critical component for maintaining electrical supply and load control in low voltage, medium voltage and high voltage electrical distribution networks. The invention relates to a system for monitoring a transformer station 1, comprising at least two sensor devices 6 for detecting the current and or voltage in each line section of a transformer. Pdf design of an industrial iotbased monitoring system for. The secondary substation is the interface between the medium voltage mv and low voltage lv power system. Remote monitoring system rms simplified system schematic monitoring inputs relay data ambient temp water level 1 water level 2 main tank oil temp main tank oil level primary cabinet oil level primary cabinet oil level if 2 compartment 18 network transformer network protector primary switch 4 3 2 1 7 5 6 8. This 2day substation scada monitoring training course will focus on the proper design, operation and functioning of substations and related equipment. Dahua began construction on the power grid remote surveillance system in the year 2000 and has made several rounds of upgrades since then. Electric power distribution and utility monitoring system.
The utility model provides an online temperature wireless monitoring system for a transformer substation, which is characterized by consisting of four parts, namely, wireless temperature sensors, a temperature measuring communication terminal, an upper management unit and a temperature measuring management center, wherein the wireless temperature sensors are used for collecting the temperature. During the successful pilot, an unmonitored bushing failed on an 800 mva generator transformer. H w v, hpm f astructure of wireless communication such as the mobile ph on e twrk s,g ivcf b l monitor distribution transformer substations. Additionally the primary substation has been integrating in the remotecontrol system of the power system since a lot of years. Substation monitoring system product guide sms 510 features l local and remote workplace l automatic dialup of substations l automatic or manual collection of disturbance recorder data l versatile integration of disturbance recorder data evaluation tools l monitoring of relay specific event files, registered values and measured values. Things iot, industrial internet of things iiot, remote. Flexible integrated automation solutions for substation. Transformer health condition monitoring through gsm technology vadirajacharya. If the increase in temperature rises higher than the desirable temperature, the monitoring system will protect the distribution transformer by shutting down the unit. This system acquires a remote substations parameters like voltage, current, frequency, etc. A monitoring system for distribution transformer which is in use is described in. This work treat about the development and implementation of a condition monitoring system in a pilot plant of an electric utility consisting in a 6625 kv, 30 mva power transformer and 66 kv and. Minisubstation monitoring system block diagram detailed iv.
Remote monitoring equipment the newest technology being used for remote monitoring of transformers includes a combination of a remote terminal unit, a programmable language. Benefitting from decades of transformer manufacturing experience and previous transformer monitoring systems ms 2000, ge now offers the ms 3000 online condition monitoring and. The power system was designed for a unidirectional power flow from the power plants to the endconsumer over different voltage levels. The second largest distribution system operator in sweden, ellevio ab, has installed equipment for the monitoring and communications of six secondary 110. Transformer monitor for condition based, continuous online monitoring of asset health cbm. Electric substations with equipment used to convert highvoltage, extrahighvoltage ehv, or. This connection presents new challenges for the technology. Planning and design can be economically optimized, with more weighting given to losses. The substation transformers represent the most expensive substation asset. In case of a standalone system, remote unit could be. The wimo distribution transformer monitoring system dmts described in the paper offers several advantages.
Monitoring, controlling and automation of secondary substation. Design and application of monitoring system of remote video. Substation monitoring system product guide sms 510 features l local and remote workplace l automatic dialup of substations l automatic or manual collection of disturbance recorder. The ms 3000 system provides a holistic approach that not only relies on a ges dissolved gas analysis dga monitor but expands the monitoring by connecting to the other existing transformer sensors and adding functionalities and measuring devices as per customer requirements. This work treat about the development and implementation of a condition monitoring system in a pilot plant of an electric utility consisting in a 6625 kv, 30 mva power transformer and 66 kv. Remote control and remote maintenance have since become the established standard in communication.
Substation supervisory and control functions remote and local monitoring system remote control of the switching elements automated control and protection emergency power systems session 3. Different parameters are acquired and processed in remote terminal unit. The following gsm based projects deal with substation monitoring and controlling aspects. Remote condition monitoring system for distribution. Remote and local monitoring system remote control of the switching elements automated control and protection emergency power systems session 3. Substation architecture typical structures for low voltage.
The integrated safegrid solution consists of an easytouse software application aims for central monitoring of remote substation sites, plus an allinone sensor. Modern microprocessorbased protection relays provide many of these attributes and are ideal for performing this monitoring. Pdf design of an industrial iotbased monitoring system. Standard transformer monitoring system configuration is made of a local unit on the transformer for collecting and processing raw data from the sensors and transferring the data to another. Equipping them with an online monitoring system is essential for information gathering. Network wan, which connects to the majority of substations and it enables remote interrogation within 5 minutes.
Remote units are located close to the devises under tests and connected with amore control units, through optical cables. Method for monitoring of distribution transformer undergraduate academic research journal uarj, issn. Substation monitoring context the edf company intends to install a monitoring system of its transformer substation in order to reduce its maintenance costs and to increase the quality of services by reducing the risks of failures. Remote condition monitoring system for distribution transformer. Gsm based projects for substation monitoring and controlling. This paper aims to present the design and application of a monitoring system of remote video and environment to smart substations. Pdf substation monitoring system engineering research.
For this purpose, a highly distributed systems platform is described, which, having the capability to integrate a. A sensor system which covers both advanced and basic. The dobleprime idd bushing monitor was installed on one transformer. The new, improved technology can thus be implemented step by step from standalone protective relays to complete coordinated protection and control systems. Substation architecture typical structures for low voltage electrical systems medium voltage substations. Monitoring, controlling and automation of secondary.
Monitoring, controlling and automation of secondary substation 2011 jens werner seite 3 abstract in the year 20 digital power measurement instruments will be required by law in. The invention relates to an indoor environment monitoring system, in particular to a transformer substation indoor environment remote monitoring system which is characterized by comprising a sensor, a center server, a data switching device, a controller and an auxiliary transformer station indoor environment regulating device. A swiss utility aew energie ag is responsible for a large number of substations and the medium and lowvoltage networks. Challenges aew commissioned abb switzerland to develop, engineer and commission a concept for monitoring a secondary transformer station. This paper is a case study of remote data monitoring and data analysis design and techniques.
Sel2414 transformer monitor schweitzer engineering. Distributed transformer monitoring system based on zigbee. Capacitive bushing adapters and uhf drain valve sensor. Keywords monitoring, distribution transformers, modular software, gsm networks. Achieve tight system control through transformer and feeder load balancing. This paper presents substation remote monitoring system which. Monitoring, controlling and automation of secondary substation 2011 jens werner seite 3 abstract in the year 20 digital power measurement instruments will be required by law in the households. Monitoring system, power substation, a pplication, development. Introduction to remote control systems and remote maintenance. Aew appointed abb to develop, engineer and commission a futureproof concept for monitoring a secondary transformer station for extending further transformer stations. K, ashish kharche, harish kulakarni, vivek landage abstract. The project named substation monitoring system proposes an innovative design to develop a system based on microcontroller.
Ge substation automation system responsibility ge can take full responsibility for system design. In order to ensure the proper functioning of substations. Microcontrollerbased substation monitoring and control system with gsm modem. Along with this, a display is connected in the port b another input port of the microcontroller. Microcontroller based substation monitoring and control.
The system architecture of the system from supplier b system b differs quite a lot in architecture from systems a and c. Remote systems or external stations can be easily connected to the control center using a wide range of transmission paths. Transformer health condition monitoring through gsm. Qtms qualitrol transformer monitoring system qualitrol corp. The smd can be used for local andor remote monitoring. The transformer will be continuously monitored by the designed monitoring and to achieve this objective a prototype model is designed for microcontroller based substation monitoring and control system with gsm global system for mobile communication module. The wimo distribution transformer monitoring system. An efficient monitoring of substations using microcontroller. It is used for monitoring the voltage, current and temperature of a distribution transformer in a substation and to protect. Remote monitoring system for transformer substations. Transmission, sub transmission and distribution substation 4. The overlaying system is, at this stage, the suppliers own management system.
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