Almak-220 Configuration structure diagram

This specification applies to the Almak-220 system, hereinafter referred to as the "system," which is part of the Kotlin-220 FCS. The system is designed for automatic regulation of turbine units. The system is manufactured, completed and delivered by Concern OJSC NPO Aurora according to the design documentation developed by Concern OJSC NPO Aurora. The system equipment shall meet the requirements of the "Rules for the Classification and Construction of Naval Vessels" of the Russian Maritime Register of Shipping (RS), 2012 editions in the automation class AUT2-ICS, "Rules for the classification and construction of nuclear vessels and floating structures" RS, 2012 editions, "Rules for the equipment of naval vessels" RS, 2012 edition. According to the impact on safety, the system equipment belongs to class 4 according to NP-022-2000 and to safety class 4 according to the "Rules for the classification and construction of nuclear vessels and floating structures." Monitoring of manufacture, testing and acceptance of samples of the system supplied to the customer is carried out by the OTC of the manufacturer under the supervision of the Russian Maritime Register of Shipping (RS). 1 Technical requirements 1.1 Basic parameters and characteristics (properties) 1.1.1 The system shall comply with the requirements of these technical conditions and the set of design documentation according to AMIE.421453.079. 1.1.2 The system, controlling parameters of two MTG, shall provide: a) modes of separate and joint control of RP and MPP capacities, at that, in joint control mode, the system generates and transmits signals proportional to steam flow rate to the "Vyuga-220" system through the MTG CT; b) remote, automated, program actuation of turbogenerators and decommissioning; c) long-term separate and parallel operation of two MTGs with synchronization of their electric capacities in parallel operation modes; d) automatic maintenance of GTG rotor speed at power change from idle mode (from zero) to nominal (100%, 36 MW), as well as at any other power changes within the specified range with error of not more than ± 0.5% in any steady state mode; e) change of rotor rotation speed in transient processes at increase of load from 0 to 100% or at decrease from 100 to 0% not more than ± 2%, at that power set rate is not more than 10 %/s, discharge of 100% of load for not less than 3 s; f) automatic maintenance of rotor speed of each MTG by control action on position of two CGs through PEGR of main and standby channels; g) change of GTG rotor rotation speed during the transient process at instantaneous release to zero of its electric load in the whole range of values (including when generator is disconnected from the mains) not more than 110% With the use of action on boosting solenoid valves; h) automatic maintenance of absolute steam pressure in front of the shunting device with an error of not more than ± 0.05 MPa at steady-state modes and not more than plus 0.15 MPa in the transition process after disconnection of steam supply to the turbine with control effect on the position of two CTs through the PEGR of the main and standby channels; and) generating a signal from 4 to 20 mA to limit the power of the SED depending on the available steam load of the GTG; c) when the steam pressure decreases below 3.0 MPa, reducing the power of the SED to the moment of pressure recovery above 3.3 MPa with removal of the restriction on the operator's command; l) maintaining the turbine generator rotor speed set from LCP or from CPU in manual start modes within the range from 700 to 3100 rpm with an error of not more than ± 1% of the nominal value (3000 rpm) or automatically setting the GTG to idle mode during automatic start and warm-up of the GTG along the established trajectory; m) automatic change with the specified speed of the specified rotation speed of the turbine generator rotor by external discrete signals (more than) in synchronization modes of the MTG rotation speed in the range ± 5% with the mains frequency; h) check of the mechanical safety regulator in the "Start-warm-up" control mode during TA idling operation by setting the number of turbogenerator rotor RPM up to the value of 114% ¼ nom; o) check the density of stop and control valves at idle; f) generation of signal "MTG is ready for operation" after its setting to idle mode; p) control and monitoring of state of RP and STP control parameters and equipment of "Vyuga-220" system and system on LCP in the ZEC. 1.1.2.1 The system shall provide: (a) remote control from the CCP and LCP of the position of regulatory bodies in case of non-operating GTG (Closed BPC) and setting of control setpoints; b) remote control and monitoring with LCP of STP and RP parameter regulators; b) generation and output of information to adjacent systems: 1) on the position of regulatory bodies; 2) on the value of control setpoints and actual values of controlled parameters) check the density of stop and control valves at idle; f) generation of signal "MTG is ready for operation" after its setting to idle mode; p) control and monitoring of state of RP and STP control parameters and equipment of "Vyuga-220" system and system on LCP in the ZEC. 1.1.2.1 The system shall provide: a) remote control from the CCP and LCP of the position of regulatory bodies in case of non-operating GTG (Closed BPC) and setting of control setpoints; b) remote control and monitoring with LCP of STP and RP parameter regulators; b) generation and output of information to adjacent systems: 1) on the position of regulatory bodies; 2) value of control setpoints and actual values of controlled parameters; 3) on values of control coefficients. moat; 3) on values of control coefficients.