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Siemens technology stabilizes power grid in Germany's Rhine-Main area

Powerful IGBT modules
Siemens also built its first advanced power modules in Kriftel. These IGBT power transistor modules can supply more power than predecessor modules, which means that fewer modules are required for the specified control range than it was formerly the case.

Most powerful SVC PLUS system in Europe
"We're pleased with the successful test operation of what is so far Europe's most powerful SVC PLUS system, which we've supplied to our customer, Amprion, on a turnkey basis," says Mirko Düsel, CEO of the Transmission Solutions Business Unit in the Siemens Energy Management Division. "Static VAR compensation systems based on our SVC PLUS technology are highly advanced and are also ideal for flicker compensation, integration of wind power plants, or railway electrification." Amprion awarded the order in early 2016.

Availability far above 99 percent
The core of SVC PLUS, an advanced STATCOM, is its multilevel converter technology. By contrast with other self-commutated converter topologies, the voltage waveshape produced by SVC PLUS is practically sinusoidal due to the multilevel technology. This makes the low-frequency harmonic filters often used in earlier solutions superfluous and substantially reduces the space requirements for the overall unit. The average availability of a Siemens SVC PLUS system far exceeds 99 percent. Siemens is a world leader in the field and has received orders for more than 100 SVC PLUS systems worldwide.

Alternating-current electricity transmission requires reactive power, which is typically provided primarily by large power plants. Due to the energy transition, many of these plants in Germany have been shut down – which is why grid operators like Amprion are responding by installing reactive power compensation systems. Reactive power supports grid voltage during long-distance large-scale power transmission. These large electricity transports are necessary when wind power from northern Germany is needed in its industrial south. By using reactive power, the grid voltage can be increased or decreased, and electricity can be efficiently transmitted.

The press release about the order in 2016 is available at
For further information on Division Energy Management, please see
Siemens AG (Berlin and Munich) is a global technology powerhouse that has stood for engineering excellence, innovation, quality, reliability and internationality for more than 170 years. The company is active around the globe, focusing on the areas of electrification, automation and digitalization. One of the largest producers of energy-efficient, resource-saving technologies, Siemens is a leading supplier of efficient power generation and power transmission solutions and a pioneer in infrastructure solutions as well as automation, drive and software solutions for industry. With its publicly listed subsidiary Siemens Healthineers AG, the company is also a leading provider of medical imaging equipment – such as computed tomography and magnetic resonance imaging systems – and a leader in laboratory diagnostics as well as clinical IT. In fiscal 2018, which ended on September 30, 2018, Siemens generated revenue of €83.0 billion and net income of €6.1 billion. At the end of September 2018, the company had around 379,000 employees worldwide. Further information is available on the Internet at
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Christian Wilson

Siemens AG

Werner-von-Siemens-Straße 1
80333 Munich

+49 (89) 636-22642