turbin

1. INFORMASI SPESIFIK a. Spesifikasi Turbin 1) Turbin unit #1, #2, dan #3 Type

: C35 –  8.83  8.83 –  0.785  0.785

Model

: One Stage Regulating (Ex)

Rated Power Output

: 35MW

Rated Inlet Main Steam Pressure

: 8.83 MPa

Rated Extraction Pressure

: 0,785 MPa

Rated Speed

: 3.000 RPM

Flow of Main Steam Inlet

: 220 T/H

Extraction Flow

: 120 T/H

Quantity

: 3 Unit

Brand

: Dong Fang

Maker

: DF China

Built in date

: 1991

2) Turbin unit #6 Type

: VE –  63  63

Model

: Two Stage Regulating (Ex)

Rated Power Output

: 70 MW

Rated Inlet Main Steam Pressure

: 95 bar

Rated Inlet Main Steam Temperature : 535⁰C Rated Extraction Pressure

: 0,785 MPa

Rated Speed

: 3,000RPM

Flow of Main Steam Inlet

: 300 T/H

1st Extraction

: 18 ata x 215oC x 60 T/H

2nd  Extraction

: 8 ata x 180oC x 100 T/H

Quantity

: 1 Unit

Brand

: ABB (1995)

Maker

: ABB Turbinen GMBH Germany

A. Parameter Control Turbin #1, 2, 3 LL NO.

L

H

HH

ITEM

MAX (LLow)

(Low)

(High)

(HHigh)

1.

LP Heater Level

-500mm

300mm

450mm

700 mm

2.

HP Heater Level

-500mm

300mm

500mm

700 mm

3.

Oil Tank Level

-190mm

290mm

4.

Cilinder Exit Temperature

<65oC

>80oC

100oC

5.

Condensat Level

10%

20%

40%

60%

6.

Lube Pressure

0.039 MPa

0.049 MPa

7.

Main Steam Temperatur

8.

Condensat Pressure

9.

Turbine Over Speed

10.

Bearing Cover Vibration

-225mm

510oC

TRIP

-265 mm

>80% 0.039 MPa

545oC

550oC 0.072 MPa

-0.080 MPa

>3300 rpm 32mm

100mm

100 mm

150mm

240mm

240 mm

Axle vibration 11.

(Dual Vib. Monitor)

12.

Bearing Oil Temperature

50oC

≥70oC

≥75oC

13.

Axial Displacement

±0.8mm

±10mm

>±10 mm

14.

Jet Water Pump Pressure

0.21 MPa

15.

HP Deaerator Pressure

0.45 MPa

0.55 MPa

0.60 MPa

0.65 MPa

16.

HP Deaerator Level

-400mm

100mm

200mm

300 mm

17.

LP Deaerator Pressure

0.015 MPa

0.030 MPa

0.040 MPa

0.055 MPa

18.

LP Deaerator Pressure

-400mm

100mm

200mm

300 mm

19.

LFWP Outlet Header Pressure

0.775 MPa

1.5MPa

20.

LPWP Outlet Pressure

0.775 MPa

1.5MPa

21.

FWP Lube Pressure

0.08MPa

0.25MPa

22.

FWP Over Load

23.

FWP Outlet Header Pressure

11MPa

24.

Steam Supply Temperature

195oC

25.

Reg. Speed oil  pressure

1.765 MPa

26.

Circulating Water Inlet Pressure

1.1MPa

27.

Main Steam Pressure

8.34MPa

9.2MPa

LL

L

0.05MPa

317A

235oC

350A

240oC

B. Parameter Control Turbin #6 No. 1

Parameter Exhaust Steam Pressure

H

HH

-0.75 kg/cm2

-0.4 kg/cm2 (trip)

2

Lube Oil Pressure

3

Shaft Position/Axial Displacement

4

Condenser Water Level

1 bar (trip)

100 mm

1.5 bar

200 mm

0.44 mm

0.62 mm (trip)

650 mm

800 mm (trip) 9.4 kg/cm2 (trip)

5

Extraction Steam Pressure

8.5 kg/cm2

6

Lube Oil Temperature

55°C

65°C (trip)

7

HP Heater Water Level

-87.5 mm

175 mm

275 mm (trip)

8

LP Heater Water Level

-85 mm

175 mm

275 mm (trip)

9

Turbine Speed

10

Shaft Vibration Turbine

125 µ m

11

Bearing Pedestal Vibration Generator

7.1 mm/s

12

Rotor Relative Expansion

4.5-5.6 mm

13

Control Oil Pressure

6.5 bar

7 bar

14

Deaerator Tank Level

-800 mm

-250 mm

120 mm

15

Oil Tank Level

80 %

120 %

16

Live Steam Temperature Before ESV

500°C

540°C

17

Exhaust Steam Temperature

80°C

18

Radial Bearing Turbine Temperature

150°C

19

Axial Bearing Turbine Temperature

110°C

3300 rpm (trip)

460°C (trip)

20

Radial Bearing Generator Temperature

95°C

21

Generator Winding Temperature

140°C

22

Generator Cold Air Temperature

65°C

23

Generator Warm Air Temperature

95°C

24

Generator Bearing Air Temperature

72°C

25

Sealing Steam Supply HP Temperature

330°C

26

Sealing Steam Supply LP Temperature

180°C

270°C

27

Sealing Steam Pressure After CV HP

0.8 kg/cm2

1.1 kg/cm2

28

Sealing Steam Pressure After CV LP

0.8 kg/cm2

1.1 kg/cm2

29

Sealing Steam Supply HP Pressure

10 bar

16 bar

30

Sealing Steam Supply LP Pressure

5 bar

150°C

77°C

C. Parameter Seksi Power Generation (MCR) No.

Parameter

LL

1

SP 1-1 + AOCC 5

49.1 Hz (Trip)

2

AOCC 3/4 –  SP  SP 5

49.1 Hz (Trip)

3

PM 1

48.9 Hz (Trip)

4

PM 2

48.5 Hz (Trip)

L

H

HH

5

SP 1-2

48.3 Hz (Trip)

6

PM 4-5

48.1 Hz (Trip)

7

SP 3/6

47.9 Hz (Trip)

8

PM #3

47.7 Hz (Trip)

9

PM #6

47.5 Hz (Trip)

10

Utility-2

47.5 Hz (Trip)

11

Utility-1

47.5 Hz (Trip)

12

HG 1-3

47.3 Hz (Trip)

13

Generator Output Voltage

14

Generator Output Current

15

20 kV SWG SF-6 Pressure

16

HV Stand By Trafo (10.000 kVA) Current

288 A

17

LV Auxiliary Trafo (800 kVA) Current

140 A

18

Battery 110 V DC Insulation

500 kΩ

19

Battery 220 V DC Insulation

500 kΩ

20

Generator Cold Air Temperature

40°C

21

Generator Hot Air Temperature

60°C

22

Air Cooler Inlet Water Temperature

33°C

10 kV

11 kV 2296 A

1 bar

70°C

23

Air Cooler Outlet Water Temperature

24

Main Transformer

1270 A

25

20 kV Busbar I Current

2000 A

26

20 kV Busbar II Current

2000 A

27

380 V Section I-III Current

1155 A

28

3.3 kV Section I-III Current

1673 A

29

Exciter Generator Voltage

212 V

30

Exciter Generator Current

436 A

31

Temperature Transformer

32

HV Auxiliary Trafo (10.000 kVA) Current

38°C

55°C

80°C 525 A