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Siemens Generator Review

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Siemens are a world leader in gensets and power production. So, let us have a look at what Siemans offer. 

About Siemens

Their practice goes back 150 years. In 1866, Werner von Siemens made electrical power usable in everyday life by converting mechanical energy into it. He was an inspiring example of the bravery, zeal, and determination that the world so desperately needs right now.

Siemens Energy is the first autonomous division of the firm to focus on energy technology. While expanding the bounds of possibility, they will hold fast to the best of their heritage. Using these methods, they shape the energy that will power the future.

1866

Werner von Siemens's implementation of the dynamo-electric concept and invention of the dynamo paved the way for a new age in energy.

1897

Siemens builds the country of South Africa's first electric power plant.

1903

Siemens-Schuckertwerke is the result of the merger of Elektrizitäts-Aktiengesellschaft vorm and the high-voltage businesses of Siemens & Halske with Kaufert & Co. Thus creating a huge company. 

1927

Siemens' creation of a 110-kilovolt (kV) oil-filled cable represents a major step forward in Germany's electric power transmission because it allows for safe connections between urban areas and long-distance overhead power lines.

It was in 1927 when Siemens-Schuckertwerke acquired the Thyssen steam turbine plant in Mülheim/Ruhr.

1929

Now that the Ardnacrusha hydroelectric facility on the Shannon River is up and running, the Republic of Ireland has access to power. This was huge for the country. 

1930

Since Siemens developed the expansion circuit breaker, high-voltage circuit breaker building has entered a new era.

1931

The West Large Power Plant (now the Ernst Reuter Power Plant) is a brand-new building and the most advanced thermal power plant in Europe.

1956

Beginning operations is the San Nicolás power plant in Argentina, with a capacity of 300 megawatts (MW). This order marks Siemens's comeback to the global marketplace and its largest export transaction since the war's end.

1961

Siemens' first power plant turbine, the VM80, is put into service at the Obersendling combined heat and power plant in Munich.

1964

Siemens' new SF6 high-voltage circuit breaker is the first of its kind to be used in the European market. It operates reliably and requires nothing in the way of upkeep.

1969

Transformatoren AG and Kraftwerk Union AG were both established by Siemens and AEG.

1975

Among the earliest major HVDC projects, Siemens built Cahora Bassa in southern Africa.

1983

Siemens' generator has been put to use powering the GROWIAN mega wind turbine.

1987

The combination of KWU and TU forms the Power Generation Team.

1997

Siemens purchases the fossil fuel power plant business of the American firm Westinghouse.

2004

Purchase of Danish wind energy company Bonus Energy A/S

2008

Siemens unveils the world's first HVDC system capable of operating at 800 kilovolts (kV) transmission voltage.

2015

Siemens has acquired Dresser-Rand, the leading manufacturer of electric motors, steam and gas turbines, and compressors in the world.

2017

Beginnings of Siemens Gamesa Renewable Energy.

2018

Siemens has completed the world's three largest combined-cycle power stations in Egypt.

2020

Name change to Siemens Energy.

Siemens Generator Review

Siemens Energy generators are the best option if rapid, reliable, and efficient electricity generation is required, be it on a ship, oil rig, factory, large gas or steam power plant, or for renewable energy sources. Their 2-pole SGen series generators are built for power generating and industrial uses, and they offer a power range of over 25 MVA. Their wind turbines have outputs between 0.25 and 10 MW. They provide a variety of wind generators, industrial generators, and large generators for you to choose from.

SGen-2000P series of generators

Whether you need a base-load or flexible power plant, the SGen-2000P series has you covered. Their modular "building block" approach allows for increased reliability, efficiency, and ease of maintenance throughout the whole line of Siemens Energy generators by allowing numerous features and components to be shared between models. The SGen-2000P series is ideal for high-power, synchronous condensing applications that demand reliable grid connectivity.

Pros

  • Hydrogen is eliminated.
  • The combination of low operating and capital expenditures
  • Trustworthy hardware
  • Possessing high operational flexibility
  • The ISO Zone A Classification System
  • It's easier and simpler to use than most
  • Remote control features

Features

Fleet-proven design uses water-cooled stator bars made of hollow stainless steel conductors.

Static excitation is built directly into the rotor shaft, so it does not require any kind of bearing or coupling.

Stator Frame: robust design and easy integration with plants.

Multiple locations for easy care with access points.

When needed, coolers can be easily detached from the generator base, or they can be modified to fit in with the system as a whole.

There is no need to take the rotor out of service for the first ten thousand starts and stops of its operating life.

Easily adjustable ventilation ranging from 0.1 to 1.0 bar (gauge) for enhanced functionality and efficiency.

Applications for Gas and Steam Power Plants

Modular integration into steam tailing applications and mixed cycle power plants. Cogeneration facilities with large, duty-cycle-appropriate simple or mixed cycles allows peaker applications, uses for Light to Moderate Workloads, uses for Cogeneration, and has Grid stabilizer to improve renewable energy transmission.

Support functions for the transmission network:

  • Modifications to the Reactive Power
  • Electricity overload
  • increased inertia in the transmission system
  • the capacity to momentarily exceed demand

Starting up

Key benefits are:

  • Easy to put together in situ
  • Small footprint makes efficient use of space.
  • Elementary user interface

Maintenance

Less replacement parts are required than other brands, elimination of H2 and associated equipment from conventionally utilized power levels, and the possibility of business operation in the absence of personnel.

Conclusion

This generator is fantastic because of its efficiency, which is at least on par with that of standard hydrogen-cooled generators. Which allows a large number of cycles before failure; stator winding that is cooled by water, lengthened rotor service life via winding temperature control, and the elimination of oil also improves safety and facilitates easy operation (no hydrogen).

SGen-300W series of generators

Superior performance, dependability, and customer value are the hallmarks of the SGen-3000W generator series, which is the result of using time-tested design and production methods. Increased output from their modular system necessitates efficient hydrogen cooling. With their modular "building block" concept, Siemens Energy generators may share many features and components across the product line. The SGen-3000W series, with its water-cooled stator, provides exceptional component robustness and considerable operational flexibility.

Pros

Key benefits include ISO class zone-A certification, a small footprint, tried-and-true features and components, a high production capacity, operational flexibility, excellent dependability, and a high production capacity.

Features

Fleet-proven design uses water-cooled stator bars made of hollow stainless steel conductors.

There is no need to take the rotor out of service for the first ten thousand starts and stops of its operating life.

Axial coolers, which are built into the generator's frame, require nothing in the way of maintenance and servicing.

Sealing the shaft with minimal maintenance required glands

For easy ventilation, use a single-stage axisymmetric blower with a radially cooled rotor and stator.

15 percent less weight was applied to the foundation, resulting in a smaller overall structure.

The stator core is simple because generator products are designed for universal assembly.

The SGen-3000W series is your best bet for dependable gas and steam power generation

Their water- and hydrogen-cooled generators provide the flexibility and reliability required to function in the present grid environment. In addition to meeting your own requirements and environmental standards, they are also compatible with other OEM turbines.

Steam plants can be easily integrated into existing power systems or steam tailing applications.

Large simple or mixed cycle power plants are appropriate for peak, intermediate, or base load duty, in addition to cogeneration applications.

Start up

When it gets to the construction site, the rotor and coolers are put in. Minimal space is taken up by it. Then this is attached to a static excitation system. An abundance of straightforward supplementary tools can be obtained.

The design also permits high ramp-up and ramp-down speeds with minimal thermal mechanical strains in the stator windings, providing exceptional operational flexibility.

Less reliance on water chemistry is required for closed-loop cooling systems (no contact to copper), and additional automated systems with built-in redundancies.

Conclusion

This generator stands out because of how easy it is to keep in working order.

Generators can be easily accessed for maintenance and servicing, and the availability of replacement parts is enhanced by the fact that common components can be found across the range.

Micalastic insulation for generators

One of the many things that sets Siemens Generators apart from the rest, is their Micalastic insulation. 

Using Global Vacuum Pressure Impregnation technology, Siemens Energy developed the MICALASTIC® insulation solution, which has superior electrical, mechanical, and thermal properties. Their GVPI system has been incredibly dependable ever since its inception in 1988.

Pros

Key Advantages: 99.9% reliability, 30 years of operation, industry-leading shrinkage control, robust coil and winding assembly, reduction or elimination of vibration sparking and slot discharge, no need for re-wedging or re-tightening of end winding structure, no need for re-tightening of stator core.

Performance

Fleet leaders with more than 150,000 operating hours (OH) and 3,320 start-stop cycles.

More than 1,700 stator windings in turbine generators using GVPI technology, delivering a combined output of more than 240,000 MVA.

25,5 million operating hours and more than 322,000 start-stop cycles.

The benefits of the GVPI design

Low shrinkage insulation system and proprietary Outer Corona Protection (OCP)-System prevent vibration sparking and slot discharge. Soft coils enable lower stress installation and assembly procedure. Complies with all international standards (EN, IEC, IEEE, KEMA, API, etc.); Designed for more than 30 years of operation (electrical lifetime > 100 years); Axial flexibility and excellent consolidation allow for thermal expansion.

Features

Ropebelled, insulated copper strands for improved performance.

The electrical field strength is dispersed throughout the primary insulation thanks to an equipotential sleeve provided by the Inner Corona Protection (ICP) technology.

Class F insulation performance, at its core An anti-discharge insulation technology, Micalastic® is made of ultra-pure epoxy and mica paper.

With an OCP system, primary insulation and the stator core maintain continuous electrical contact.

A three-layer, one-of-a-kind external mica protection device is employed in the slot area to ensure continuous electrical contact with the grounded stator core.

The stator bars are insulated with mica tape in a continuous, automated, and computer-controlled process.

Semiconducting mica protection tapes prevent voltage lowering at slot ends even in the presence of a discharge.

By pre-pressing the insulation before inserting it in the slot, it may achieve a number of benefits, including stress-relieved coil assembly, low stress assembly in the end winding region, and greatly reduced stress on the coil insulation during bracing installation in the end winding region and Stator bar stacking.

Conclusion

The GVPI technique is a brilliant innovation that leads the market. The following maintenance procedures ensure this goal is met: Processes include: Proprietary curing and cool down process ensures manufacturing robustness and highest level of quality. Quality assurance in all phases of production with numerous mechanical and electrical tests.

Final thoughts

A huge multinational company that has lasted the test of time. I would not hesitate to recommend any power solution made by Siemens.

About Tom Bell

Hey, I’m Tom, the owner of Generator Reviews! I built this website to help you get the very most out of your generator and select the correct one for your personal circumstances. This site contains reviews of virtually every generator, detailed buying guides, as well as maintenance advice to help you keep yours in tip-top shape!

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