At the Penza TETs-1, the technical re-equipment of the AIIS for monitoring the indicators of water-chemical analysis and chemical reagents was completed

2023: Water-chemical balance of Penza TETs-1 under the control of PAK PTK Krug-2000

KRUG has completed the technical re-equipment of the automated information and measurement system for monitoring the indicators of water-chemical analysis and chemical reagents (AIIS VHA) of the Penza TETs-1. This was announced on May 3, 2023 by the KRUG company.

AIIS VKA operates on the basis of the software and hardware (software and hardware) complex of CAS KRUG-2000 and is designed to automate monitoring of the water chemistry of boilers No. 10, No. 11, turbines No. 7, No. 8, tank filling control and chemical accounting.

Penza TETs-1 is part of the PJSC branch and MordovianT Plus provides energy industrial enterprises and 89% of thermal energy supplies for population those living in the municipal housing stock of the city: Penza installed thermal capacity - 805 Gcal/h, installed electric capacity - 310 MW.

AIIS VHA Penza TETs-1 is equipped with data collection cabinets with DevLink-S1000 controllers and DevLink-A10 I/O modules, a server cabinet with specialized equipment, FOCL cabinets. AWS of the system dispatcher under the control of the Russian SCADA KRUG-2000 collects, processes, visualizes and long-term data storage. The WS of the Head of Chemical Plant (WEB-client) displays data from resource accounting units.

KRUG has performed the following works:

• design of data collection cabinets and the upper level of the system;
• delivery of software and hardware complex;
• laying fiber-optic communication lines;
• engineering, installation supervision and commissioning works.

The introduction of the AIIS VHA system at the Penza TETs-1 allows you to extend the service life of the main power equipment (power boilers and turbines) due to accurate operational control of the process parameters with the ability to quickly make decisions by the operating personnel.

2020: Modernization of the automated system of commercial metering of heat energy of the Penza TETs-1

On November 13, 2020, it became known about the modernization of the automated system of commercial metering of thermal energy of the Penza TETs-1.

As explained, the accuracy and transparency of accounting for thermal energy directly affects the economic performance of the CHPP. To confirm the required metrological characteristics, the system of commercial accounting of released thermal energy and coolant to consumers must pass mandatory state certification.

The introduction of updated metering units and certification requirements necessitated the modernization of the existing automated thermal energy metering system (ASCUTE) of the Penza TETs-1.

The main goal of the project was to increase the efficiency and accuracy of accounting for thermal energy and coolant released by the Penza TETs-1 to its consumers. To achieve this goal, it was necessary to certify the Penza TETs-1 ASCUTE with an update of the existing software.

Penza TETs-1 ASKUTE is designed to collect process parameters from thermal energy metering devices and provide information to the WS of the CHPP personnel, as well as subsequent data transfer to the centralized dispatching system of T Plus PJSC. The system covers large parts of the Leninsky and Zheleznodorozhny districts, as well as part of the Oktyabrsky district of Penza.

The implementation of the project was entrusted to KRUG as the developer of the existing heat energy metering system of the Penza TETs-1.

System objects: SPT-961.2 heat meters, ultrasonic URZh2KM flowmeters, sensors, narrowing devices.

The system performs:

• Accounting of heat energy released to consumers
• Monitoring of thermal and hydraulic modes of operation of the heat supply system
• Control of rational use of thermal energy and coolant
• Preparation of reporting documents on coolant parameters: mass, temperature and pressure.

Received a certificate of Rosstandart of the Russian Federation at ASKUTE Penza TETs-1 (registration number 78399-20).

Certificate of Rosstandart of the Russian Federation at ASCUTE of the Penza TETs-1

System functions:

• Display on AWS monitors of all parameters of thermal energy accounting and coolant parameters
• Display of diagnostic information on communication with thermal energy metering devices
• Logging of all system events
• Generation and printing of reporting documents - accounting statements
• Synchronization of system subscribers time
• Transfer of operational data to the centralized dispatching system of T Plus PJSC via the MEK-60870-5-104 protocol.

ASKUTE is a three-level system implemented on the basis of the KRUG-2000 software and hardware complex (CAS KRUG-2000), which, among other things, provides the possibility of interaction with the OPC server of LOGIC devices. The system is designed to collect and archive measuring information from thermal energy metering units (UUTE). The server with the installed updated version of SCADA KRUG-2000 processes the received data and presents the results of measurements and calculations to the AWS of technical personnel in the form of tables, graphs and mnemonic diagrams through the WEB interface.

Structural diagram of ASKUTE Penza TETs-1

The first (lower) level of the system includes heat energy metering units installed in the boiler and turbine shop of the Penza TETs-1 and including:

• flow, pressure and temperature transmitters
• complete metering cabinets (SPT-961.2 heat meters, power supply system, duct-forming equipment).

The second (middle) level of the system includes:

• ASCUTE server
• equipment for communication of the ASCUTE server with the devices of the first level.

The third (upper) level of the system is represented by:

• workstations (AWS) of system users:
  • classic desktop clients ("thick") - 5 AWS.
  • Web-Clients ("thin") - 25 AWS.

Node No. 7

The upgrade of ASKUTE provided:

• Commissioning of commercial heat metering stations
• Ability to calculate thermal energy output by plant
• Provision of accurate and up-to-date information on thermal energy metering units
• Data transfer to the external system via the MEK-60870-5-104 protocol to the centralized dispatching system of T Plus PJSC
• Reduce the cost of repairing and replacing equipment through prompt monitoring of load and power consumption.

KRUG has carried out work on the development of design documentation, certification of the ASKUTE, software update, engineering and commissioning of the system.

2019: Introduction of ACS by heat supply of Zhilgorodok district

On February 13, 2019, KRUG announced that work had been carried out to implement an automated heat supply control system for the ZHILGORODOK district from the Penza TETs-1 ITP on the basis of the KRUG-2000 software and technical complex (KRUG-2000 CAS).

According to the company, the implemented APCS is designed to control and manage the supply of thermal energy and hot water to the ZHILGORODOK microdistrict and for internal TETs-1 consumption.

The automated dispatch control system of T Plus Penza Heating Network JSC was developed using standard technical solutions for automation of central heating stations and creation of dispatch control systems for heating network equipment.

The industrial DevLink-C1000 controller with DevLink-A10 I/O modules provides:

• control of mains electric pumps and shutoff valves
• monitoring the condition of pumps and gate valves
• collection and processing of information from heat calculators of SPT-961 and sensors (data of temperature and pressure sensors).

The upper level of the system is represented by the operator's AWS under the control of the Russian SCADA KRUG-2000. KRUG has performed engineering, equipment supply, engineering, installation and commissioning activities.

2016: Implementation of Steam Extraction Control System from Turbines

On February 24, 2016, KRUG announced a project to introduce a steam control system from turbines T-110/120-130 Art. No. 7 and No. 8 of the Penza TETs-1. Process platform of CAS KRUG-2000 project.

Cooling tower "Penza TETs-1" (2013)

Project Summary

For correct control and indication of the pumps condition, an inter-control exchange was introduced between the steam extraction system TG No. 7 and TG No. 8. The introduction of ACS by steam sampling from turbine generators T-110/120-130 st. No. 7 and No. 8 ensured an increase in the economic performance of the plant, increased the reliability of the equipment due to advanced monitoring and control technologies, and provided personnel with timely and reliable information on the process progress and equipment condition.