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Optimal control technology for steam turbines

Actuator drive
output
Analogue input Analogue output Digital input Digital output Voltage
sensing
Current
sensing
Inductive or
Hall pick-up
RS-232
RS-485
CAN bus
1x H-drive
4 ... 20 mA
0 ... 200 mA
0 ... 5 Volt +/-10 Volt
PWM
3x 4 ... 20 mA
1x RTD
3x 4 ... 20 mA 16x binary
LED status
8x relay
LED status
3-phase Gen/Bus
Voltage AC RMS
3-phase Gen
Voltage AC RMS
2x MPU or
2x Hall
1x RS-232
1x RS-485
Modbus
1x RS-485 Si-TEC LAN (for inter module coms only)

1x CAN proprietary

(Optional)

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Overview

Si-TEC CGC-T

Si-TEC CGC-TS

Si-TEC CGC-TS2

Si-TEC CGC-TS3

Overview Si-TEC CGC-T Controls - Condensing / Backpressure Steam Turbine Generators

Designed for use with all sizes of generator, the Si-TEC Xtend can be used for islanded or co-generation on a wide range of steam turbines including condensing and backpressure turbines, for single and split range applications.

Digital governor functions are fully integrated with generator control functions (i.e. synchronising, kW load control, kVAr/PF control, process, etc.).

 

Digital Generator Control

Si-TEC CGC-T

The Si-TEC CGC-T turbine control is used for condensing or backpressure steam turbines with single actuator, for utility grid generation, isochronous island operation and multiple generator systems.

  • Precise speed governing typically within 0.1 % of operating speed at steady state
  • Dual MPU (or prox.) speed sensors for redundancy
  • Auto run up and warm through
  • Synchronising control with phase and voltage matching
  • Process control available as standard back pressure/condensing
  • Grid-parallel and islanded operation
  • Isochronous/references/base load/grid droop operation
  • kW control and load sharing
  • kVAr/PF control and kVAr sharing
  • Generator to 600 MW (Non-Reheat Turbines)
  • Major grid generators with comprehensive droop slope
  • Wide range of control valve actuator drivers available
  • Si-TEC GSM Master compatible – Single/multiple GSM control
  • Load share with all Si-TEC CGC including extraction turbines and diesel/gas generators
  • Extensive user selected control functionality
  • Extensive alarm functions
  • On-board diagnostic
  • Dedicated communications port for customer PLC/DCS interface
  • Compatible with all Si-TEC support PC software
  • 24 Si-TEC unit capacity with standard system

Applications

Sugar Mills
Paper Mills
Oil & Gas
Geothermal
Utility Generation

Si-TEC CGC-TS

The Si-TEC CGC-T turbine control is used for condensing or backpressure steam turbines with split range dual actuators, for utility grid generation, isochronous island operation and multiple generator systems.

  • Staged dual actuator outputs using Analog Output (4 20mA) for 2nd actuator output
  • Precise speed governing typically within 0.1 % of operating speed at steady state
  • Dual MPU (or prox.) speed sensors for redundancy
  • Auto run up and warm through
  • Synchronising control with phase and voltage matching
  • Process control available as standard back pressure/condensing
  • Grid-parallel and islanded operation
  • Isochronous/references/base load/grid droop operation
  • kW control and load sharing
  • kVAr/PF control and kVAr sharing
  • Generator to 600 MW (Non-Reheat Turbines)
  • Major grid generators with comprehensive droop slope
  • Wide range of control valve actuator drivers available
  • Si-TEC GSM Master compatible – Single/multiple GSM control
  • Load share with all Si-TEC CGC including extraction turbines and diesel/gas generators
  • Extensive user selected control functionality
  • Extensive alarm functions
  • On-board diagnostic
  • Dedicated communications port for customer PLC/DCS interface
  • Compatible with all Si-TEC support PC software
  • 24 Si-TEC unit capacity with standard system

Applications

Sugar Mills
Paper Mills
Oil & Gas
Geothermal
Utility Generation

Si-TEC CGC-TS2

The Si-TEC CGC-TS turbine control is used for condensing or backpressure steam turbines with split range dual actuators and extended I/Os, for utility grid generation, isochronous island operation and multiple generator systems.

  • Staged dual actuator outputs using PCU module for 2nd actuator output, along with extended I/Os via CAN Bus
  • Precise speed governing typically within 0.1 % of operating speed at steady state
  • Dual MPU (or prox.) speed sensors for redundancy
  • Auto run up and warm through
  • Synchronising control with phase and voltage matching
  • Process control available as standard back pressure/condensing
  • Grid-parallel and islanded operation
  • Isochronous/references/base load/grid droop operation
  • Load share and kW control
  • Volt-kVAr share control
  • Generator to 600 MW (Non-Reheat Turbines)
  • Major grid generators with comprehensive droop slope
  • Wide range of control valve actuator drivers available
  • Si-TEC GSM Master compatible – Single/multiple GSM control
  • Load share with all Si-TEC CGC including extraction turbines and diesel/gas generators
  • Extensive user selected control functionality
  • Extensive alarm functions
  • On-board diagnostic
  • Dedicated communications port for customer PLC/DCS interface
  • Compatible with all Si-TEC support PC software
  • 24 Si-TEC unit capacity with standard system

Applications

Sugar Mills
Paper Mills
Oil & Gas
Geothermal
Utility Generation

Si-TEC CGC-TS3

The Si-TEC CGC-TS turbine control is used for condensing or backpressure steam turbines with split range triple actuators and extended I/Os , for utility grid generation, isochronous island operation and multiple generator systems.

  • Staged triple actuator outputs using PCU module for 2nd actuator output, Analog RIO for 3rd actuator output, along with extended I/Os via CAN Bus
  • Precise speed governing typically within 0.1 % of operating speed at steady state
  • Dual MPU (or prox.) speed sensors for redundancy
  • Auto run up and warm through
  • Synchronising control with phase and voltage matching
  • Process control available as standard back pressure/condensing
  • Grid-parallel and islanded operation
  • Isochronous/references/base load/grid droop operation
  • Load share and kW control
  • Volt-kVAr share control
  • Generator to 600 MW (Non-Reheat Turbines)
  • Major grid generators with comprehensive droop slope
  • Wide range of control valve actuator drivers available
  • Si-TEC GSM Master compatible – Single/multiple GSM control
  • Load share with all Si-TEC CGC including extraction turbines and diesel/gas generators
  • Extensive user selected control functionality
  • Extensive alarm functions
  • On-board diagnostic
  • Dedicated communications port for customer PLC/DCS interface
  • Compatible with all Si-TEC support PC software
  • 24 Si-TEC unit capacity with standard system

Applications

Sugar Mills
Paper Mills
Oil & Gas
Geothermal
Utility Generation
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Overview

Si-TEC CGC-ET

Si-TEC CGC-ETX

Si-TEC CGC-TSX

Overview CGC-ET Controls - Controlled Extraction Condensing / Backpressure Steam Turbine Generators

Designed for use with all sizes of generator, the Si-TEC Xtend can be used for Islanded or co-generation on a wide range of steam turbines including controlled extraction condensing / backpressure turbines for single and split range applications.

Digital governor functions are integrated with generator control functions (i.e. synchronising, kW load control, kVAr/PF control, extraction, etc.).

 

Hydraulic Governors

Si-TEC CGC-ET

The Si-TEC CGC-ET is a digital governor fully integrated with an automatic synchroniser and designed for use with all sizes of generator. It can be used for islanded or co-generation on a wide range of controlled extraction steam turbines, for utility grid generation, isochronous island operation and multiple generatos systems.

  • Precise speed governing typically within 0.1 % of operating speed at steady state
  • Dual MPU (or prox.) speed sensors for redundancy
  • Uses Si-TEC CGC 4-20 mA AO3 for secondary valve actuator
  • Auto run up and warm through
  • Synchronising control with phase and voltage matching
  • Extraction control using CGC (no PCU)
  • Process control available as standard back pressure/condensing
  • Grid-parallel and islanded operation
  • Isochronous/references/base load/grid droop operation
  • Load share and kW control
  • Volt-kVAr share control
  • Generator to 600 MW (Non-Reheat Turbines)
  • Major grid generators with comprehensive droop slope
  • Wide range of control valve actuator drivers available
  • Si-TEC GSM Master compatible – Single/multiple GSM control
  • Load share with all Si-TEC CGC including extraction turbines and diesel/gas generators
  • Extensive user selected control functionality
  • Extensive alarm functions
  • On-board diagnostic
  • Dedicated communications port for customer PLC/DCS interface
  • Compatible with all Si-TEC support PC software
  • 24 Si-TEC unit capacity with standard system

Applications

Sugar Mills
Paper Mills
Oil & Gas
Geothermal
Utility Generation

Si-TEC CGC-ETX

The Si-TEC CGC-ETX is used for steam turbine generators such as controlled extraction steam turbines, for utility grid generation, isochronous island operation and multiple generator systems.

  • Precise speed governing typically within 0.1 % of operating speed at steady state
  • Dual MPU (or prox.) speed sensors for redundancy
  • Uses Si-TEC PCU module for secondary LP valve actuator
  • PCU module doubles the logic and analogue I/O
  • Auto run up and warm through
  • Synchronising control with phase and voltage matching
  • Extraction control using CGC and PCU modules
  • Process control available as standard back pressure/condensing
  • Grid-parallel and islanded operation
  • Isochronous/references/base load/grid droop operation
  • Load share and kW control
  • Volt-kVAr share control
  • Generator to 600 MW (Non-Reheat Turbines)
  • Major grid generators with comprehensive droop slope
  • Wide range of control valve actuator drivers available
  • Si-TEC GSM Master compatible – Single/multiple GSM control
  • Load share with all Si-TEC CGC including extraction turbines and diesel/gas generators
  • Extensive user selected control functionality
  • Extensive alarm functions
  • On-board diagnostic
  • Dedicated communications port for customer PLC/DCS interface
  • Compatible with all Si-TEC support PC software
  • 24 Si-TEC unit capacity with standard system

Applications

Sugar Mills
Paper Mills
Oil & Gas
Geothermal
Utility Generation

Si-TEC CGC-TSX

The Si-TEC CGC-TSX is used for steam turbine generators such as controlled extraction steam turbines with split range dual HP actuators and single LP actuator, for utility grid generation, isochronous island operation and multiple generator systems.

  • Precise speed governing typically within 0.1 % of operating speed at steady state
  • Dual MPU (or prox.) speed sensors for redundancy
  • Uses Si-TEC PCU module for 2nd HP actuator, and analog output (4 20 mA) for LP actuator
  • PCU module doubles the logic and analogue I/O
  • Auto run up and warm through
  • Synchronising control with phase and voltage matching
  • Extraction control using CGC and PCU modules
  • Process control available as standard back pressure/condensing
  • Grid-parallel and islanded operation
  • Isochronous/references/base load/grid droop operation
  • Load share and kW control
  • Volt-kVAr share control
  • Generator to 600 MW (Non-Reheat Turbines)
  • Major grid generators with comprehensive droop slope
  • Wide range of control valve actuator drivers available
  • Si-TEC GSM Master compatible – Single/multiple GSM control
  • Load share with all Si-TEC CGC including extraction turbines and diesel/gas generators
  • Extensive user selected control functionality
  • Extensive alarm functions
  • On-board diagnostic
  • Dedicated communications port for customer PLC/DCS interface
  • Compatible with all Si-TEC support PC software
  • 24 Si-TEC unit capacity with standard system

Applications

Sugar Mills
Paper Mills
Oil & Gas
Geothermal
Utility Generation

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