2 x Rolls Royce COBERRA 2000

15.56 Mw each

year 1995

Natural gas

50 - 60 hz

Price : Usd $ 1,900,000 both generating groups

More details

rr mari

$1,900,000.00

The Bolivian Company of Energía Eléctrica S.A. - Bolivian Power Company Limited (COBEE S.A.), sells two natural gas generator groups (*) whose main components have the following characteristics:

     Two Rolls Royce Aero-derived turbines - Model COBERRA 2000:
Total installed power: 15.56 MW each (ISO) - A Natural gas.

    Two power turbines - Cooper Bessemer brand - Model RT 48

    Two GEC Alsthom brand generators

Nominal capacity: 18.6 MVA each

Generation voltage: 5.5 kV

Rated speed: 1500 rpm

    Two Ferranti Packard brand power transformers

Nominal capacity: 19 MVA each

Nominal voltage: 5.5 kV / 69 kV

Connection: Delta / Star

(*) Please see the detailed specifications in the attached file.

COBEE S.A. It intends to reach an agreement with potential buyers for the sale of the set of both generating groups (Package), for a price of US $ 1,900,000 (ONE MILLION NINE HUNDRED THOUSAND 00/100 AMERICAN DOLLARS).

We ask you to send us your purchase intentions until January 31, 2020 to ramiro.dulon@cobee.com.

We remain attentive to any questions.

- 2 Rolls Royce aeroderivative turbines

- Model COBERRA 2000:

- Total installed power: 15.56 MW each (ISO).

• Natural gas

-2 GEC Alsthom Brand Generators

• Nominal capacity: 18.6 MVA each

• Generation voltage: 5.5 kV Rated speed: 1500 rpm

- 2 Ferranti Packard brand transformers

• Nominal capacity: 19 MVA each

• Nominal voltage: 5.5 kV / 69 kV

• Connection: Delta / Star

This plant is in operation as of 1995, however, because the units will be removed from the

National Inter connected System in November 2019, COBEE has determined to open a sale

process for both units.

The technical specifications of each of the parts that make up the thermal generation units are

detailed below.

TECHNICAL CHARACTERISTICS

1.Gas generator

 Brand: Rolls Royce PLC

Model: Avon 1535 - 121G

Series:Unit 1 - 38435

           Unit 2 - 38449

Manufacturing: 1990-1989

Fuel: Natural Gas

Installation: July 1995

 2.Power Turbine

 Brand: Cooper Bessemer

Model: RT 48

Series: Unit 1 706 RT

Unit 2 728 RT

Speed: 5458 rpm

Power: 15.56 MW (ISO)

 3.Gear Box

Brand: Flender Graffenstanden

Type: TRE 71

Series: Unit 1 - 3687 (1989)

Unit 2 - 3825 (1990)

Speed: 5458/1500 rpm

Power: 15.7 MW

 4. Generator A.C.

Brand: Alsthom

Model: RP-33- F 4-poles

Series:Unit 1 - 412774 (1989)

           Unit 2 - 412892 (1990)

Power: 18,63 MVA

Voltage: 5500 Volts

Current: 1955 Amp.

Power Factor: 0.8

Speed: 1500 rpm

 

 

5.Excitation

Brand: Alsthom

Type: RK 8012

Series: Unit 1 -412774

Unit 2 - 412892

Power: 62.5 kW

Voltage: 106 Volts

Current: 590 Amp

Speed:

1500 rpm

6.Governor - Control system

Unit 1 - Entronic RR

Control system composed of the Flexi Trend FT100 system, based on the CBOS 13.4 PLC

platform consisting of rack inside the board and cards

 

• Digital input (4DI)

• Digital input (2DIT)

• Digital output (2DO)

• Output 4 digital channels (4DO)

• Frequency input (2FI)

• Analog output (2AO)

• Analog input (2AI)

• Isolated analog input (2AII)

• Analog trigger input (1AIT)

• RTD analog trip input (1AIT-RTD)

• Analog T / C trip input (1AIT-TC)

• Double thermocouple input  (2AI-TC)

• Axial trip analog input (1AIT- AX)

• Frequency trigger input (1FIT)

Unit 2 -Wood Group

Turbine control system (TCS), based on the Allan Bradley ControlLogix platform, using the Flex

I / O platform.

The new system includes the hardware and

software provided with local HMI by ethernet

connection, and consists

 

• AB Control Logix CPU control unit

• Communication module

• ControlNet Ethernet communication module

• Ethernet hub

• SIM- WG speed input module

• HMI screen

• Selectors and push buttons

• Start and operation counters.

• Fuses and breaker

• Auxiliary relays.

• Terminal block

• Flex I / O

7. System F&G (Fire&Gas)

Each unit has a monitoring, control, fire extinguishing, and gas detection system

 

Brand: Det Tronic

Model: EQP

Features: Input voltage: 18 - 24 VDC

Input power: 9 - 12 W

Communication: RS485, 232

High speed serial link (HSSL).

• CO2 cylinders Capacity 7 kg

• 4 cylinder alternator

• 6 cylinders GG.

8. GG Lubrication System

Each unit independently has a lubrication systemdriven by electric motors.

Brand: Cooper Bessemer Rotating

Reservoir: 227 lt.

Motor: 2 electric motors of:

• 5.5 kW

• 380 V or 11.7 A

• 1440 rpm

9. TP, GB and Generator Lubrication System

Each unit independently has a lubrication system driven by motors.

Location Turbine Power Room

Reservoir 2900 lt

Motor Electric motor 18.5 kW, 380V, 36.5 A and 1455 rpm

10. Air compressor

Each unit independently has an air compressor.

Atlas Copco brand

1989 year

1500 lt capacity

Pressure 11 BAR

Motor Electric motor:

• 380 V

• 1450 rpm

• 15 A

11. Switch Gear at 5.5 KV

Unit 1 – ABB

8110 378 W9522 Series

24kV voltage

50/125 kV insulation level

2000A Current

Frequency 50 - 60 Hz

220 V motor, 50 Hz

Unit 2 – ABB

1VC1BL00013940 Series

2018 year

24kV voltage

125 kV insulation level

2000A Intensity

Frequency 50-60 Hz

125 VDC motor

12. Auxiliary transformer

Year: 1995

Unit 1 Series: 950080

Unit 2: 950081

350 kVA power

Voltage: H.V. 5.5 kV

L.V. 400 V

 10. Air compressor

Each unit independently has an air compressor.

Atlas Copco brand

1989 year

1500 lt capacity

Pressure 11 BAR

Motor Electric motor:

•380 V

•1450 rpm

•15 A

11.Switch Gearat 5.5 KV

Unit1–ABB

8110 378 W9522 Series

24kV voltage

50/125 kV insulation level

2000A Current

Frequency 50

-60 Hz

220 V motor, 50 Hz

Unit 2 – ABB

1VC1BL00013940 Series

2018 year

24kV voltage

125 kV insulation l

evel

2000A

Intensity

Frequency 50-60 Hz

125 VDC motor

12.Auxiliary transformer

Year: 1995

Unit 1 Series: 950080

Unit 2: 950081

350 kVA power

Voltage: H.V. 5.5 kV

L.V. 400 V

H.V. Intensity 36.7 A L.V.505.2 A

50 Hz frequency

13. Generator protection equipment

Electrical protection panel based on Beckwith multifunctional protection relays.

14. Electrical substation

Independent group for each Unit.

Power transformer

• Brand Ferranti - Packard

o Unit 1 Series: TP-245-1

o Unit 2: TP-245- 2

o 1995

• 19MVA power

•Voltage 5.5 / 69 kV

• TAP 5

Disconnector

Mec brand. OP. ABB

BCH - F Series

Unit 2: 8215822

Heater

• 220 V

• 50 Hz

• 50 W

 Units 1 hours = 59238  (1995 - 2018 )

 Units 2 hours = 63804  (1995 - 2018 )

 

 

 

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2 x Rolls Royce COBERRA 2000

2 x Rolls Royce COBERRA 2000

15.56 Mw each

year 1995

Natural gas

50 - 60 hz

Price : Usd $ 1,900,000 both generating groups

Write your review