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  • 04 july 2017
    At the Technoprom Forum, an agreement was signed between "Tornado Modular Systems" with "Siblitmash" and "Komintern"

    The tripartite agreement provides for import substitution for components of the injection molding complex from SibLitMach in the field of industrial robots ("Comintern") and the control system ("Modular Tornado Systems") that will cover the entire production cycle of the LAP, including the management of industrial robots

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APCS of the turbo unit No. 4 of Jezkazgan CHPP

The APCS implementation is executed due to replacement of turbo unit No. 4 of R-25-8.8 / 2.9 type with turbo unit of T-50 / 60-8.8 type.

The APCS of turbo unit No. 4 is designed for process automation of electrical and thermal energy production in all operating modes and provides:

  • Monitoring and automation control of the main and auxiliary technological equipment of the turbo unit;
  • Technological protection of the turbo unit;
  • Control of the main parameters of the electrical equipment.

APCS of the turbo unit No. 4 of Jezkazgan CHPP

 

3.1. The APCS of the turbo unit No. 4 includes the following technological equipment:

  • Turbine plant;

  • Generator of TSFP 63-2MUZ type.


3.2. The structure of the turbine plant includes the following components:

  • T-50 / 60-8,8 / 0.12 steam turbine with heat extraction of steam (the main parameters and characteristics of the turbine are given in Table 3.1);
  • Auxiliary equipment and pipelines;
  • Heating unit with a horizontal delivery water heater.


3.3. Turbo generator of TSFP-63-2MUZ type is three-phased, synchronous, with air-cooling, general purpose (the main generator parameters are given in Table 3.2).


3.4. The automation object is located in the area with the following outside temperatures:

  • Average maximum temperature of the hottest month: +29.8 °C;
  • Average temperature of the coldest month: -15.2 °C.


Table 3.1.

Parameter name

Unit of measure

Parameter value

Nominal electric capacity

MW

55,7

Maximum electric capacity

MW

66,6

Nominal rotation speed of rotor

RPM

3000

Nominal steam pressure before the isolation valve (abs.)

kgf/sm2

90

Nominal temperature before the isolation valve

°C

535

Nominal steam pressure in the controlled production extraction (abs.)

kgf/cm2

1,2

Nominal temperature in the controlled production extraction (abs.)

°C

104

Nominal consumption of the steam in the heating extraction at nominal steam parameters in the extraction

t/h

150

Nominal thermal load of the controlled heating steam extraction

Gcal/h

79

Maximum operating absolute pressure of the steam in the controlling stage chamber (behind the stage)

kg/sm2

462


Table 3.2.

Parameter name

Unit of measure

Parameter value

Full capacity

kVA

78750

Active capacity

kW

63000

Voltage

V

10500/6300

Stator current

A

4330/7217

Rotor current (calculated)

A

800

Rotor voltage (calculated)

V

325

Power factor


0.8

Efficiency

%

98.3

Static overload capacity, no less than


0.45

Lead count of stator winding


6

Current frequency

Hz

50

Rotation speed of the rotor

RPM

3000

Critical rotation speeds of the rotor


  • First


  • Second



RPM





1400


3550


Minimum / Maximum temperature of cooling water

°C

12/32

Nominal water consumption of the air coolers

m3/h

300


3.5. The number of shutoff and control valves:

  • gates, shutoff valves – 138;
  • control valves – 22.


3.6. The number of auxiliary devices: 21, including:

  • for 0.4 kV voltage – 20;
  • for 220 V voltage – 1.


Total electric drives: 180.


3.6. Preliminary number of the input parametric DCS signals (without signals via shutoff & control valves and auxiliary devices):

  • Temperature measurements: 188;

  • Analog parametric measurements: 181;
  • Discrete parametric measurements: 86.

Total parametric signals: 455.

 

3.7. Local subsystems integrated into the APCS: electro-hydraulic system of automatic control, “Vibrobit-300” automated control system of vibration, relay protection & automatic equipment of “EKRA” generator.



 

 


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