NEW CONSTRUCTION OF GAS TURBINE AND GAS PISTON PLANTS FOR ELECTRICITY GENERATION
Technical
features
features
Type of
works
works
6.3/0.4 kV Auxiliary Transformer Substation (KTP)
- Modular unit
- Power transformer 6/0.4 kV, 630 kVA
- Two 6 kV cells, model MVC-6-630-301-U3
- 0.4 kV switchgear (two PL-1000 cells)
- Telemechanics cabinet, model ShMP-U3
- Alarm and control cabinet, model F-Control
Diesel Generator – designed to convert mechanical energy into electrical energy and serve as an autonomous backup power source.
Main specifications:
- Three-phase
- Power output: 788 kVA (631 kW)
- Main voltage: 400/230 V
- Available voltage: 380/220 V
- Frequency: 50 Hz
- Fuel type: diesel
- Cooling system: water-cooled
6 kV Switchgear at 110/6 kV Substation
Four new 6 kV cells and two 2000 A busbars installed.
Main specifications:
- Rated voltage of the main circuit: 6 kV
- Rated frequency of the main circuit: 50 Hz
- Rated voltage of auxiliary circuits: 220 V
- Rated breaking current: 31.5 kA
- Enclosure protection degree: IP31/00
Six current transformers replaced.
Vacuum circuit breaker replaced.
6 kV Cable Line
Total length: 5,882 m
0.4 kV Cable Line
Total length: 382 m
Construction and Installation Works:
- Construction of foundations for the gas turbine units (3 foundations);
- Construction of the foundation for the 6.3/0.4 kV auxiliary transformer substation (KTP);
- Construction of the foundation for the diesel power plant (DPP);
- Construction and installation of the fuel gas pipeline;
- Construction of a site area around the gas turbine unit foundations.
Electrical Installation Works:
- Installation and full connection of the gas turbine generator;
- Installation and full connection of the 6.3/0.4 kV auxiliary transformer substation (KTP);
- Installation and full connection of the diesel power plant (DPP);
- Installation of 6 kV and 0.4 kV cable lines;
- Reconstruction of 6 kV power cells (replacement of current transformers) at the 6 kV switchgear of the 110/6 kV substation;
- Installation and connection of new 6 kV power cells at the 6 kV switchgear of the 110/6 kV substation;
- Replacement of the withdrawable element in the existing section circuit breaker cell at the 6 kV switchgear of the 110/6 kV substation;
- Installation of the grounding system for the gas turbine unit area;
- Installation of the grounding system for the KTP and DPP area;
- Installation of relay protection and automation cable lines;
- Installation of relay protection and automation equipment;
- Installation of automation and telemechanics cable lines;
- Installation of automation and telemechanics equipment.
Commissioning Works:
- Electrical testing of equipment;
- Commissioning and startup of the gas turbine generator;
- Commissioning and startup of the 6.3/0.4 kV auxiliary transformer substation (KTP);
- Commissioning and startup of the diesel power plant (DPP);
- Commissioning and activation of the fuel gas pipeline;
- Commissioning of the relay protection and automation system;
- Commissioning of the automation and telemechanics system.