The Pskov heat & power plant is the largest plant of this type in Pskov region (Russia). The plant is located in Dedovitchskiy district of Pskov region, 130 km away from the Pskov city. The Pskov power plant is a part of RAO "UES of Russia". The company's main shareholders are RAO "UES of Russia" (50%) and RAO "Gazprom" (50%).
In 2004, Pskov plant overhauled their 1st power unit (215 MW). While overhauling the main equipment of the unit, they also implemented a process control system and upgraded the loop control system. The renewal was meant to enable:
- improving technical and economic planning;
- managing the electricity and heat sales;
- managing development of the energy production;
- improving the product quality;
- managing the fuel supply;
- improving general management.
The upgrade of the control system for the 1st power unit turbine also means that the produced electricity will soon have 10 MHz insensitivity, allowing the Russian plant to conform to the basic requirement for power system operations across Europe.
The control system for the 1st power unit at Pskov plant was developed in close cooperation of OJSC "Engineering Centre of UES - ORGRES Company" (Moscow) providing technical advice, and operational staff of the plant. For the base complex, the plant management opted for robust PC-based DCS "KRUIZ" by "PIK ZEBRA" company (Moscow, Russia) with controllers powered by real-time Micro TRACE MODE SOFTLOGIC software (by AdAstrA Research Group, Ltd). For the operator interface, TRACE MODE SCADA was chosen. The new control system was developed and deployed by a renowned Moscow company PIK ZEBRA, which is an Authorized System Partner of AdAstrA Research Group, Ltd.
The control system at Pskov plant is now in control of the following power unit equipment:
 the TPE-208 boiler and auxiliary equipment;
- the K-215-130-1 steam turbine and low & high voltage regeneration systems;
- the auxiliary turbine room equipment (deaeration plant, feeder pumps, general and fast-opearing reduction & cooling plants);
- the modular pump plant;
- the generator (hydrogen cooling system, stator water cooling system, temperature control system, operational and redundant actuation system, synchronization system and supply terminals unit);
- 6 kW and 0.4 kW house power system.
The control system of the power unit at Pskov plant corresponds to "major" type of units:
- the number of input/output signals - 9500;
- the number of DCS KRUIZ cabinets - 30;
- the number of cross cabinets - 21;
- the number of SCADA automated operator workstations - 25;
- the redundant Ethernet LAN;
- the base SCADA and SOFTLOGIC-system - TRACE MODE;
- SCADA functions - data acquisition, control, security, blockage, alarming, data logging;
- SOFTLOGIC functions - primary data processing, direct digital control, security, blockage, PID loop control;
- the number of PID loops - 110.
Despite of a large size of the system installed at Pskov plant, this project was fulfilled in just 1.5 months. "We hugely benefited from the cutting-edge technology of integrated control system development (SCADA+SOFTLOGIC) in terms of efficiency," said Oleg Zagorets, the PIK ZEBRA company CEO - "Integration of development tools for DCS KRUIZ (Micro TRACE MODE) controller software and operator interface (SCADA TRACE MODE) available in TRACE MODE software, has empowered us with one toolbox for the whole project development, debugging & troubleshooting. This innovative technology has significantly increased efficiency and reduced start-up & commissioning time". On September 21, 2004, the first power unit was commissioned.
The Moscow based PIK ZEBRA company successfully implements technologies of integrated control system development available in TRACE MODE for large-scale applications and has a privileged Authorized System Partner rank with AdAstrA Research Group, Ltd.
By the end of the project the Pskov power plant has obtained a cutting edge technology ensuring reliability for the power unit equipment operation. In the nearest future, they are to deploy systems for batch control of the power unit functions enabling automated start/stop of the power unit of Pskov plant in various thermal conditions, as well as automated frequency and power control system to ensure conforming to requirements of OJSC "SO-CDU UES" (Russia's main energy operator).
"Our efforts at Pskov plant will increase reliability and cost-efficiency of the power unit equipment, and also raise the product quality to match the European standards," said Viktor Kopylov, Head of Production and Technology Department at Pskov plant.
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