Used Howden 7 MW Twin Condensing Steam Turbine Generator – Siemens SST-110, 8750 kVA

Used Howden 7MW Twin Condensing Steam Turbine with A.C. Generator, Model Twin-CA 56. Manufactured by Siemens Turbomachinery Equipment/TD Power systems Series SST-110. 7.0MW power output; 445C main steam temperature; Operates on 900F superheated steam at 800psi; Provides plant process steam at 375F at 46psi. A.C. GENERATOR: Brushless AC generator with an AC exciter and rotating rectifier; Cylindrical rotor type; NEMA MG-1; 7000 kW/8750 kVA continuous rated output; 1800 PRM; IP 54 enclosure; IC 81W main cooling system; Forced lubrication bearing oil feed system. Built 2018. Additional specs available.

Used Equipment Facts About This Machine
Manufacturer:
Howden / Siemens Turbomachinery Equipment / TD Power Systems
Description:
For sale: Used Howden 7 MW Twin Condensing Steam Turbine Generator Set, Model Twin-CA 56, part of the Siemens SST-110 series, offering a reliable 7.0 MW power output. Designed for industrial steam applications, it operates on superheated steam at 900°F and 800 psi, with a main steam temperature of 445°C (833°F). The system also supplies plant process steam at 375°F and 46 psi, making it ideal for cogeneration (CHP) applications.
The unit is paired with a brushless AC generator featuring an AC exciter and rotating rectifier, built to NEMA MG-1 standards. With a continuous rated output of 7000 kW / 8750 kVA at 1800 RPM, the generator features a cylindrical rotor, IP54 enclosure, and IC 81W cooling for robust and efficient operation in industrial environments.
Specifications:
Steam Turbine:

Manufacturer: Howden / Siemens Turbomachinery Equipment / TD Power Systems

Model: Twin-CA 56 (SST-110 Series)

Power Output: 7.0 MW

Main Steam Temperature: 445°C (833°F)

Steam Inlet Pressure: 800 psi (superheated steam at 900°F)

Process Steam Output: 375°F at 46 psi

Type: Twin Condensing

AC Generator:

Type: Brushless AC Generator

Exciter: AC Exciter with Rotating Rectifier

Rotor: Cylindrical Rotor

Standards: NEMA MG-1

Power Rating: 7000 kW / 8750 kVA Continuous

Speed: 1800 RPM

Enclosure: IP54

Cooling System: IC 81W

Applications:

Industrial steam power generation
Combined heat and power (CHP) plants
Pulp and paper mills
Oil & gas refineries
Petrochemical and chemical plants

What Products Would This Be Used For?

Steam-based electricity and heat generation
Industrial cogeneration (CHP) systems
Process steam supply for manufacturing
Renewable energy projects (biomass, waste-to-energy)
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