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NovaStar, SS119, Back Pressure Steam Turbine Generator Set, 9,270 kW, 60 Hz

PRICE

$4.25 million. ExW

Brand NovaStar

Model SS119

Condition New

Quantity 1 set



Overview

New-build back pressure steam turbine generator set, multi-stage reaction turbine with reduction gearbox and synchronous generator

Electrical output: 9,270 kW (12,431 hp) at design steam conditions, 60 Hz

Sized to use the full available steam flow of 68,000 kg/hr (149,914 lb/hr)

Built to order

Turbine Design Operating Parameters

Steam inlet pressure: 36 ata (512 psia)

Steam inlet condition: superheated

Steam inlet temperature: 400 °C (752 °F)

Steam inlet flow rate: 68,000 kg/hr (149,914 lb/hr)

Steam exhaust pressure: 2.5 ata (35.6 psia)

Steam exhaust temperature: 127.41 °C (261.3 °F)

Steam exhaust flow rate: 68,000 kg/hr (149,914 lb/hr)

Electrical power: 9,270 kW

Specific steam rate: 7.335 kg/kWh (16.17 lb/kWh)

Steam Turbine

Multi-stage, reaction

Operating speed: approximately 9,800 rpm

Gland seal: labyrinth

Blades: X22 Cr.Mo.V.12-1

Nozzles: X22 Cr.Mo.V.12-1

Rotor shaft: 30 Cr.Mo.Ni.V.5-11

Diaphragm: X22 Cr.Mo.V.12-1

Casing: G17 Cr.Mo.5-5

Steam chest and emergency stop valve: G17 Cr.Mo.5-5

Bearing housing: G18 Mo.5

Pedestal: structural steel, grade E275 BR

Labyrinth seals: J wire labyrinth

Mild steel base frame, common for turbine and gearbox

Tilting pad journal and thrust bearings, white metal on steel (Michell)

Design standards: IEC 60045, ASME, ASTM

Synchronous Generator

High voltage, 9,270 kW

AC, three phase, 4-pole, 60 Hz

Voltage to be specified by the buyer

IP54 protection

Class F insulation, temperature rise limited to Class B

Closed air circuit, water cooled (CACW)

Maximum working ambient temperature: 45 °C (113 °F)

Gearbox

Rated power: 9,270 kWe

Helical, single stage reduction gearbox with barring gear

Minimum service factor of 1.3 (rated for short circuit torque in 2 phase and 3 phase)

Design standard: AGMA 6011

Actuator

Voith (Germany), electro-hydraulic

Single acting hydraulic cylinder, extendable by spring

Way valve with cartridge valve (if necessary)

Stroke electrically adjustable by analog signal with potentiometer

Servomotor clevis mounted, vertical orientation (rod upwards)

Emergency Stop Valve

Spring loaded, hydraulic

Redundant trip solenoids (SIL2 safety rating each, resulting in SIL3)

Couplings

Non-lubricated, steel laminated, flexible couplings between turbine and gearbox and between gearbox and generator, with coupling guards

Lubrication System

Force-feed lubrication system

Lube oil tank with cleaning doors and breather

Main oil pump driven by the gearbox low speed shaft (Rickmeier, Germany, or equivalent)

415 V AC three phase motor driven auxiliary oil pump with automatic cut-in and cut-out

110 V DC motor driven emergency oil pump

Suction strainers for the main, auxiliary and emergency oil pumps

Pressure regulating valves

Twin oil coolers with RTDs for temperature measurement

Twin oil filters, 16 micron

Associated piping, pressure gauges and other valves

Gland Steam Condenser

Shell and tube type with exhaust fan

Control Panels and Instrumentation

PLC turbine control panel (Siemens, Rockwell or equivalent)

Generator control panel (relays, metering and synchronizing panel)

Neutral grounding resistor (NGR) panel

Lightning arrester, surge capacitor and voltage transformer (LA/SC/VT) panel

AVR / excitation panel (ABB Unitrol)

Turbine generator motor control center with AC distribution board

DC motor starter panel

Vibration monitoring system: housing sensors on the low speed train, shaft sensors on the high speed train

Dedicated overspeed protection system (Heinzmann / Woodward, 2 out of 3)

Accessories

Foundation bolts and leveling blocks / wedges

Performance Notes

Performance data applies at steady state conditions, with the control valve fully open and deposit free blading

Electrical power is guaranteed when the turbine is operated at design parameters only

Performance data does not include the power and steam requirements of auxiliary equipment

Tolerance of plus or minus 3% applies to the power output

Utilities Required at Site (Indicative)

Clean, dry instrument air: 5 SCFM at 7 kg/cm2 g (100 psig)

Cooling water: 4,000 L/min (1,057 US gpm) at 28 °C (82 °F) and 2.5 kg/cm2 g (36 psig)

Continuous three phase, low voltage, 50 Hz AC auxiliary power supply

Continuous 110 V DC power supply

Not Included

Steam, cooling water and other interconnecting piping, valves and piping accessories

Foundations, turbine building and civil works; platforms and ladders; grouting

Power, control and instrumentation cables; earthing

Crane for handling the turbine generator set; flushing oil and first oil fill

Unloading at site, statutory approvals and fire safety system

Instrument air supply; utility, auxiliary and emergency power

Target plate / blanking device for steam blowing

Technicians man-day charges for supervision of erection and commissioning

Any item not specifically listed in the scope of supply



NovaStar, SS117, Back Pressure Steam Turbine Generator Unit, New, 6 MW, 13.8 kV, 60 Hz

Reference V-2334

Brand NovaStar

Model SS117

Condition New

Quantity 1 machine



POA

New back pressure steam turbine generator unit, 6 MW, 13.8 kV, 60 Hz, built to order.



A. Main Parameters

Type: back pressure steam turbine, non-regenerative (no feedwater heating extraction)

Rated output: 6 MW (6,000 kW)

Inlet steam: 3.55 MPa, 400 °C (752 °F)

Exhaust back pressure: 0.2 MPa

Steam flow: 44 t/h

Specific steam consumption: 7.333 kg/kWh

Turbine speed: 6,500 rpm, with reduction gearbox to the generator

Generator: 6 MW, 13.8 kV, 60 Hz, 1,800 rpm, excitation system included

Approximate weight: 36 to 40 t

Dimensions: per general arrangement drawing, available on request

B. Scope of Supply

Back pressure steam turbine

Reduction gearbox

Centralized lube oil station

EH (electro-hydraulic) oil station

DEH digital electro-hydraulic control system with redundant controller

ETS emergency trip system

TSI turbine supervisory instrumentation

6 MW generator, 13.8 kV, 60 Hz, 1,800 rpm, with excitation system

Steam turbine no-load test run before shipment

Export packaging

C. Delivery and Service

Lead time: approximately 8 months from order (equipment)

Installation and commissioning supervision available on request



NovaStar, SS118, Back Pressure Steam Turbine Generator Unit, New, 7.5 MW, 13.8 kV, 60 Hz

Reference V-2335

Brand NovaStar

Model SS118

Condition New

Quantity 1 machine



New back pressure steam turbine generator unit, 7.5 MW, 13.8 kV, 60 Hz, built to order.



A. Main Parameters

Type: back pressure steam turbine, non-regenerative (no feedwater heating extraction)

Rated output: 7.5 MW (7,500 kW)

Inlet steam: 3.55 MPa, 400 °C (752 °F)

Exhaust back pressure: 0.2 MPa

Steam flow: 54.3 t/h

Specific steam consumption: 7.24 kg/kWh

Turbine speed: 6,500 rpm, with reduction gearbox to the generator

Generator: 7.5 MW, 13.8 kV, 60 Hz, 1,800 rpm, excitation system included

Approximate weight: 36 to 40 t

Dimensions: per general arrangement drawing, available on request

B. Scope of Supply

Back pressure steam turbine

Reduction gearbox

Centralized lube oil station

EH (electro-hydraulic) oil station

DEH digital electro-hydraulic control system with redundant controller

ETS emergency trip system

TSI turbine supervisory instrumentation

7.5 MW generator, 13.8 kV, 60 Hz, 1,800 rpm, with excitation system

Steam turbine no-load test run before shipment

Export packaging

C. Delivery and Service

Lead time: approximately 8 months from order (equipment)

Installation and commissioning supervision available on request



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