All heat points of Saransk are connected to a single digital control system

2021: Connection of all heat points of Saransk

All heat points of Saransk are connected to a single digital control system. This was announced on March 9, 2021 by NPF Krug.

As of March 2021, all 103 CTP are integrated in the automated control system of the SaranskTeploTrans Mordovian branch "."T Plus

The main goal of the project is to increase the economic efficiency of the heating networks of Saransk due to the transition to the "deserted technology" of managing the Central Technical Center.

Continuous operational monitoring of the parameters of the heating network, timely detection of heat losses and possible leaks provides a high-quality supply of heat and hot water to consumers.

SaranskTeploTrans is part of the Mordovian branch of PJSC T Plus. CTP provides network water for heating and hot water to residential areas of Saransk. In total, in 2020, T Plus invested 380 million rubles in the reconstruction of heat supply networks and GVS in Saransk.

The automated dispatch control system (ASDU) of the TsTP SaranskTeploTrans operates on the basis of the software and technical complex CAS KRUK-2000.

The automated workplace of the dispatcher of a system under management rossiyskoySCADA KRUG-2000 carries out data collection of the key process parameters of heat supply from CTP control cabinets and provides issue of commands of remote control to them. Information from control cabinets is also transmitted to the existing telemetry system SaranskTeploTrans.

Information exchange between controllers DevLink-C1000 and dispatcher AWS installed on DTC is performed via redundant GSM/GPRS communication channel with the help of GSM-modem built into controllers with support of 2 SIM-cards.

The project was prepared as part of the Rubin-Automation consortium, which unites OJSC NPP Rubin (part of Rostec) and LLC NPF KRUK. The consortium has completed a full range of works on the implementation of the system:

• design of control cabinets and upper level of the system
• delivery of software and technical complex
• Installation and commissioning.

2019

Increase in the number of fully automated central heating stations in Saransk to 27

On September 2, 2019, Krug announced that the number of fully automated central heating stations (CTP) in Saransk increased to 27 in 2019. In September, work will be completed on the technical re-equipment of four more central technical centers on the street. Likhachev, st. Sevastopol, st. Yaroslavl and st. Volodarsky.

KRUK also prepared design documentation for the automation of two TSPs on the street. Marinina and st. Sovetskaya. These systems were developed using the KRUK-2000 software and technical complex (KRUK-2000 CAS).

JSC SaranskTeploTrans is part of the Mordovian branch of PJSC T Plus. CTP provides network water for heating and hot water to residential areas of Saransk.

APCS CTP are designed for remote monitoring of coolant parameters, process equipment control and developed using standard technical solutions of KRUG: APCS of heat stations and ASDU of heat supply company facilities.

Microprocessor controllers DevLink-C1000 with I/O modules of the DevLink-A10 series provide control of pumps and electric drives of electrified shutoff and control valves, collection, processing of information from temperature, pressure and flow sensors of coolant and actuators.

CTP are equipped with metering units for mains water, WCS and CFS to take into account the heat energy and coolant supplied to the consumer, as well as cold water for heating, ventilation, hot water supply, technological needs.

Information from control cabinets is transmitted to the WS of the dispatcher of the central control room and to the existing telemetry system of the CTP of SaranskTeploTrans JSC. The control cabinets have the possibility of monitoring the process using the local control panel based on the operator's touch panel.

KRUK Company has extensive experience in developing design documentation for APCS, which allows us to easily replicate our solutions for automation of heating network companies.

Saransk Thermal and Booster Plant Automation Project

On June 10, 2019, Krug announced the development of design documentation for automation systems of two pumping stations (thermal and booster) for heat networks in Saransk. These systems are an extension of the existing ASDU pumping stations of SaranskTeploTrans OJSC, operating on the basis of the KRUK-2000 software and technical complex (CAS KRUK-2000).

JSC SaranskTeploTrans is part of the Mordovskiy branch of PJSC T Plus and provides thermal power to Saransk, operation and repair of urban heat supply systems.

Thermal pumping station No. 14 with a capacity of 2200 m ³/h is located in the area of ​ ​ ul. Volgograd. Heat supply source - Saranskaya CHPP-2. Four centrifugal pumps (2 working and 2 standby) are installed in the pump room.

Booster pump station No. 11 with a capacity of 3750 m ³/h. designed to supply thermal energy to residential areas. Heat supply source - Saranskaya CHPP-2. Five centrifugal pumps (3 working pumps, 1 under repair and 1 standby) are installed in the pump room.

APCS of pumping stations was developed using standard technical solutions of KRUG: APCS of pumping stations and ASDU by heat supply company facilities.

Microprocessor controllers DevLink-C1000 with DevLink-A10 series I/O modules provide SEN control, collection, processing of information from temperature, pressure and coolant flow sensors, power converters and actuators. The control cabinets have the possibility of monitoring the process using the local control panel based on the operator's touch panel. AWS 1 and AWS 2 located in the control room operate under the control of SCADA KRUG-2000.

To improve the reliability of operation in the system, 100% hot redundancy of communication channels is used. The main channel is Ethernet, the backup is GSM/GPRS.

Introduction of automatic data collection system

On March 11, 2019, KRUK put into operation an automatic data collection system (ASD) from the gas metering units of SaranskTeploTrans JSC on the basis of the software and technical complex CAS KRUK-2000.

At the first stage, 14 boiler houses are included in the ASD system from gas metering units.

The system provides:

• collection of data from gas flow correctors EK-260/270 in real time
• improved accuracy of accounting due to reduction of natural gas imbalance in main areas of use
• Speed of mutual financial settlements for the sale/consumption of natural gas
• reduction of technological and commercial losses due to timely detection of excess consumption.

Scientific and production company "KRUG" performed the following works:

• design of control cabinets and upper level of the system
• delivery of software and technical complex
• Supervision and commissioning.

The system is developed using standard technical solutions for I & C boiler houses and natural gas accounting. In 2019, it is planned to expand the system with the connection of all boiler houses of SaranskTeploTrans JSC.

2017

Connection of Saransk Auto Repair Plant to SaranskTeploTrans dispatch system

On November 20, 2017, KRUK announced that commissioning work had been carried out to connect the central heat station of the Avtoremzavod Saransk microdistrict to the current automated dispatch control system (ASDU) of SaranskTeploTrans OJSC.

The CTP control cabinet was delivered as part of the project for the technical re-equipment of the telemechanics and telecontrol system of the SaranskTeploTrans central thermal stations.

The central heat station of the Avtoremzavod microdistrict was built and put into operation to replace the outdated boiler house. All commissioning works were performed by NPF KRUK in time for the start of the heating season.

CTP control cabinets were developed on the basis of a typical technical solution - APCS of heat points. As controller equipment, an industrial DevLink-C1000 controller with DevLink-A10 series I/O modules from the KRUK-2000 software and technical complex was used.

Modernization of APCS of pump stations

On February 27, 2017, the company "CIRCLE" announced the automation of heating network pumping stations Saransk as part of the project for the construction of the Mordovia Arena stadium.

KRUK supplied two control cabinets for the automation of pumping stations of thermal networks in the city of Saransk as part of the project "Construction of a stadium for 45,000 spectators, Saransk, ul. Volgograd. Heat supply networks ":

• booster pump station on the street. Suschinsky
• thermal pumping station on the street. Volgograd.

"Mordovia Arena," (2016)

Pump station APCS are integrated into the control system of pump stations of OJSC SaranskTeploTrans, developed on the basis of the standard technical solution of NPF KRUG for pumping stations of heat networks.

Pump station control cabinets are equipped with industrial DevLink-C1000 controllers and DevLink-A10 series I/O modules. SCADA KRUK-2000 is used as a control technology.

2016

Development of the project

On December 15, 2016, KRUK announced the automation of the heat supply pumping station of the Yubileiny district of Saransk. The Yubileiny district will include five residential microdistricts of the city.

ASDU is integrated with the current complex automated control system of pump stations of JSC SaranskTeploTrans based on the standard technical solution of NPF "KRUG" for pumping stations of thermal networks.

Event "SaranskTeploTrans," (2014)

The core INDUSTRIAL CONTROL SYSTEM is a control cabinet with industrial controllers DevLink-C1000 and I/O modules of the DevLink-A10 series, they provide:

• control of mains electric pumps
• monitoring of pumps and gate valves
• collection and processing of information from sensors, metering devices and actuators (data of temperature, pressure and coolant flow sensors).

The control cabinet can monitor the process using a local control panel based on the operator's touch panel.

Reliability of the system provides 100% hot redundancy of processor modules of DevLink-C1000 controllers and 100% redundancy of communication channels.

Used as software. ON SCADA KRUK-2000 AWS are organized using console structures of the KonsErgo series.

2015

Development of the project

On July 3, 2015, it became known about the project to increase the functionality of the automated dispatch control system of OJSC pumping stations SaranskTeploTrans on the platform of the software and technical complex. KRUK-2000 (CAS KRUK-2000) The company performed the work under the contract for the supply of telemetry cabinets. "CIRCLE"

Objectives of ASDU expansion:

• possibility of remote control of network electric pumps (SEN)
• high reliability of the system owing to application of 100% hot backup of controller equipment DevLink-C1000
• increasing computing power of the system by adding I/O modules of the DevLink-A10 series.

Functions:

• switching on and off of SES
• collection and display of information on the process progress and equipment status of pump stations on monitors of automated work stations of dispatchers and collective use screen
• monitoring of temperature and hydraulic parameters of coolant
• monitoring of pump room voltage inputs currents, SEN currents, power consumption and temperature of SEN bearings
• maintenance and archiving of trends of parameters, reporting documents, event protocols.

ASDU pump stations of SaranskTeploTrans OJSC on the basis of CAS KRUK-2000

"KRUK" Company has implemented an automated control system for pump stations based on the software and technical complex KRUK-2000 ® (PTK KRUK-2000 ®) as part of the work on transferring the heat load of the central boiler house to Saranskaya CHPP-2 and transferring the control room of the heating networks from the territory of the central boiler house to the territory of Saransk TeTe.

PROJECT TASKS

• Provision of timely, reliable and sufficient information on the process progress and condition of the main equipment for operational monitoring
• Optimization of equipment operation modes
• Maintenance of technical reporting.

Functions

• Collection and display of information on the process progress and equipment status of pump stations on monitors of automated work stations of dispatchers and collective use screen
• Monitoring of temperature and hydraulic parameters
• Data archiving.

PROJECT STAGES

Structure of a system "SaranskTeploTrans" OJSC pump station automated dispatch control system was developed on the basis of KRUK-2000 ® software and technical complex. When creating the system, a typical technical solution of NPF "KRUK" for pumping stations of thermal networks was applied.

The structure is a three-level architecture:

The 1st (lower) level includes sensors of measured parameters, isolation and control valves, pumps.

The 2nd (middle) level of the system is represented by the controller equipment installed in the control cabinets of the seven pumping stations (NC). Microprocessor controllers DevLink-C1000 with I/O modules of the DevLink-A10 series provide collection, processing of information from sensors and actuators: monitoring of the state of pumps and gate valves, data of temperature, pressure and coolant flow sensors. The control cabinets have the possibility of monitoring the process using the local control panel based on the operator's touch panel.

The 3rd (upper) level of the system is represented by two automated workstations of the dispatcher (ARM1, ARM2) controlled by SCADA KRUK-2000 ® and a shared screen. ARM1, ARM2 are combined by functions with 100% redundant database servers, which collect, process visualization and long-term storage of data coming from the middle level of the system.

100% redundancy of communication channels is used to improve reliability of operation in the system. The main channel is SHDSL (telephone lines), the backup channel is GSM/GPRS. Communication is carried out using a specialized protocol that allows you to work with slow and unreliable communication channels.

Information capacity of the system

• Analog input signals - 161
• Discrete input signals - 1916.

Features of a system

• 100% Hot Link Redundancy for Different Channel Types (SHDSL Main, GSM/GPRS Standby)
• Remote control objects, communication with which is carried out by telemechanical protocol (TM-channel).

EFFECT OF THE PROJECT

Implementation will ensure:

• increased reliability of equipment operation due to reduced probability of erroneous personnel actions
• improved reliability of information collection due to duplication of communication channels
• increase of equipment availability factor.

The prospects for development are the possibility of expanding the functionality of the system:

• increasing the functionality of existing pump stations
• scaling of the system with connection of other pumping stations.

The specialists of NPF "KRUK" performed installation of cabinets, engineering and commissioning. At the beginning of 2015, it is planned to include pump station No. 10 in the system with 100% redundancy of processor parts of the controller and communication channels.

CUSTOMER

SaranskTeploTrans is part of the Mordovskiy Branch of Volzhskaya TGK OJSC and provides thermal power to Saransk, operation and repair of urban heat supply systems.

KRUK has been working at SaranskTeploTrans OJSC since 2010. During this time, 18 central heating stations (CTP) were put into operation. In 2014, six sets of equipment were shipped to modernize the CTP of the North-West, Central and South-West regions of Saransk. SCADA KRUG-2000 ® software and upper-level equipment for APCS water heating boilers TVG-8 art. No. 1 and No. 2 of the third microdistrict and boiler TVG-8 art. No. 2 of the sixth microdistrict of Saransk.