( Item # = PG0165 )  Three Alsthom Steam Turbine Generators 17Mw 50Hz

Three Alsthom Steam Turbine Generators 17Mw 50Hz - - Make Alsthom  Model T167-215 Inlet Pressure 40 bar Inlet Temperature 465ºC Condenser Pressure 0.072 bar Temp 40ºC M.C.R 78 TPH Max 857 PIH  0.35bar requirement 0.35 bar = 108ºC (gauge pressure) Number 1 Heater 2bar (a) = 121ºC 3.38 Tonnes Number 2 Heater 7bar (a) = 165ºC 3.08 Tonnes Condensor 59 TPH  Y02 Heater 100 ºC Speed 3,000 rpm Output 17 MW @ 5.5Kv Cycle 50 Hz 

Make Alsthom 
Model T167-215 
Inlet Pressure 40bar 
Inlet Temperature 465ºC 
Condenser Pressure 0.072bar Tem 40ºC
M.C.R 78 TPH Max 857 PIH
 0.35bar requirement
 0.35 bar = 108ºC (gauge pressure)
Number 1 Heater 2bar (a) = 121ºC 3.38 Tonnes
Number 2 Heater 7bar (a) = 165ºC 3.08 Tonnes
Condenser 59 TPH 
Y02 Heater 100ºC 
Speed 3,000 rpm 
Output 17 MW @ 5.5Kv 
Cycle 50 Hz 
 

Unit Detail
 Unit 1 Unit 2 Unit 3
Commission Date Jan 1966 Sept 1969 Dec 1969
ID Number 3299 3353 3354
Run Hours 71,000 47,000 46,000
Stops – 72 hrs or more 32 28 36
Number of starts after 72 hrs 115 168 173
 

Plant Sizes and Weights
 Weight (tonnes) Size (mm)
Alternators 
? Stator 32.5 6500 x 2700 x 2500
? Rotor 10.0 550 diam x 6100
Turbine 
? Top Casing 12.5 5000 x 3600 x 2000
? Bottom Casing 20.0 5600 x 3600 x 2000
? Rotor 5.0 2000 diam x 6000
? Condenser 31.0 6400 x 3400 x 5100
? Tanks 6.5 3000 x 3900 x 7000
 
 
 
 

Site I.
The three turbine impellers, housings, alternators and rotors are stored in containers and on container flats in a secured warehouse.  They are stored under plastic tents in both a thermostatically and humidity controlled atmosphere.

Site II.
The three condensers, tanks, pumps, de-aerators and other ancillary equipment (outlined below) are stored in a secured depot with the majority of the equipment being containerized.

Container TPHU 645664 7
? 6 Extraction pumps
? 6 Extraction pump motors
? 6 Extraction pump suction chambers
? 3 spare extraction pump spindles
? 3 sight glasses and pipework (probably oil tank)
? 3 + 3 Valve chest cover panels
? 4 spare rear alternator bearings
? 1 front alternator bearings – spare
? 1 Extraction pump impeller - spare

Container MLCU 229977 0
? Numbers 2, 3 and 4 turbine governor – oil pump housing (front hydraulic unit pedestal)
? 3 turbine cylinder covers
? Numbers 2, 3 and 4 alternator bearing housing
? Numbers 2, 3 and 4 governor control linkages

Container MLCU 212380 0
? Numbers 2, 3 and 4 Excitation units (complete)
? 3 turbine cylinder covers
? Drum of new spare condenser tube erosion shields
? 2 drums assorted spares
? 3 AC oil pumps
? 1 DC oil pump
? 1 spare oil pump

Container GSTU 416747 6
? Numbers 2, 3 and 4 main steam inlet control valves
? 2 control valve handwheels
? 2 condenser CW valves
? 2 half drums of spares

Container XTRU 201486 5
? 3 turbine base plates
? 6 turbine side plates
? 3 alternator base plates
? turbine cylinder covers 

Container GSTU 460832 9
? turbine base and front plates
? various steam  and water valves
? hydraulic pipework
? 3 hydraulic turbine control units with covers
? 3 steam spray control valves
? 2 constant head chambers
? 10 condenser expansion joints OD 780mm, ID 590mm

Container XTRU 211329 8
? 12 condenser plates (bases for springs)
? 3 oil cooler change over valves
? 3 drains cooler (??) units
? 60 condenser spring
? 6 oil coolers
? 1 water/water cooler
? 2 oil tank sight glasses

Container GSTU 414760 7
? condenser tubes
? 1 electric feed pump on bed – with motor
? 3 water/air cooler units and inlet and outlet caps

Container ITLU 653024 5
? 1 feed pump on bed – no motor
? 1 turbo feed pump unit on bed
? 1 electric feed pump with motor on bed
? 1 electric motor for feed pump
? 1 water/air cooler unit
? condenser tubes
 

Test Results – Final rotor results

Rotor Date Temperature ºC IR at 0.5 kV (megohms) PI
  Air Winding Actual Corrected to 40ºC 
    1 min 10 min 1 min 10 min 
 1/11/01 
T4  25 37 3500 15000 3150 13500 4.28
T2  25 37 16000 40000 14400 36000 2.50
T3  25 37 6000 17000 5400 15300 2.80
 

Test Results – Final stator results

Stator Date Temperature ºC IR at 2.5 kV (megohms) PI
  Air Winding Actual Corrected to 40ºC 
    1 min 10 min 1 min 10 min 
No10 9/11/01  23 24 
L1    3250 9000 2435.5 6750 2.77
L2    3000 7500 2250 5625 2.50
L3    3300 9000 2475 6750 2.73

No 12 9/11/01 23  31 
L1    3750 9000 2250 5400 2.40
L2    3750 9500 2250 5700 2.53
L3    3900 9000 2340 5400 2.31

No 11 16/11/01 24 47 
L1    1100 4000 1650 6000 3.63
L2    1050 3750 1575 5625 3.57
L3    1250 4000 1875 6000 3.20
 

- New Zealand
- Year of Manufacture: 1966-1969