Powerful, efficient, independent

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1 siemens.com/energy/psw Powerful, efficient, independent The testing laboratories at the Schaltwerk Berlin Answers for energy.

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3 Outstanding testing expertise and always up to date The testing laboratories at the Schaltwerk Berlin For more than 80 years, we have been testing electrotechnical equipment and developments in high and medium voltage at our test facilities at the Schaltwerk Berlin. With a high degree of expertise, decades of testing experience, and a powerful, wide-ranging testing portfolio, we ensure the product quality of power engineering equipment. Our testing procedures are subject to monitoring by the Deutsche Akkreditierungsstelle GmbH (DAkkS). Moreover, we are accredited for the performance of internationally recognized type tests according to ISO/IEC We are a member of PEHLA (Gesellschaft für elektrische Hochleistungsprüfungen), an association of owners of high-power testing laboratories in Germany and Switzerland, which is a member of the international Short-Circuit Testing Liaison (STL). Hence, our tests and the documents we issue comply with the highest quality standards. As an independent, vendor-neutral testing facility we perform tests for Siemens as well as for external customers, and we guarantee neutrality and independence for all tests we carry out. We provide our customers with test documents and certificates that are recognized around the world an essential competitive advantage for the international distribution of the tested products. Thanks to our long-standing experience in the fields of high power, high voltage, mechanics, temperature rise, and environmental properties testing, we can precisely address our customers individual testing requirements. We can implement testing programs that meet individual demands for standardized type and development tests as well as for experiments in the field of fundamental research. State-of-the-art testing technology that is continually kept up to speed with technological developments, as well as a high degree of automation, ensure an efficient workflow and short lead times from delivery to testing all the way to the preparation of the documentation. We hope that this information brochure will spark your interest, and we will be pleased to respond in person to any further questions. Overview of available services at the test laboratories: Performance and supervision of type and development tests as well as measurements Issuing of test documents Supervision of external tests Consulting about standards, technical methods of testing, and technical questions Training 3

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5 The high-power testing laboratory Reliable test results at extreme currents and voltages At the high-power testing laboratory, high and mediumvoltage equipment is analyzed in terms of thermal and dynamic short-circuit performance, opening, breaking, and insulation capacity after short-circuit breaking, and operational behavior. Short-circuit tests with surge arresters in conformance with standards and including predamage can also be performed. The three available short-circuit generators of the high-power test laboratory can be connected flexibly. Hence, several specimens can be tested in parallel, or a total short-circuit current of up to 100 ka at 35 kv can be generated for individual tests. Voltage is adjusted to the particular requirements by power transformers. For high-voltage products, synthetic tests with voltage and current injection methods are applied as well. The synthetic test circuits are arranged in a flexible manner, so that the capacitive breaking capacity of the specimens can be tested at 50 and 60 Hz. Moreover, the high-power test facilities comprise a laboratory for basic physical studies, where currents of up to 63 ka at 50/60 Hz can be generated through capacitor banks and synthetic voltages of up to 120 kv are available. Providing these options, the physics laboratory offers a cost-efficient alternative to tests with generators. Performance data of the high-power testing laboratory Maximum generator output Maximum short-circuit current (single and threephase) Maximum short-time withstand current, 3 s Maximum voltage for synthetic tests 6,400 MVA 270/100 ka 80 ka 1,150 kv Characteristics of the laboratory for basic physical studies Maximum short-circuit current (one phase) 63 ka Frequency 50/60 Hz Maximum voltage for synthetic tests 120 kv Further values on request 5

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7 The high-voltage testing laboratory Short and long-term insulation testing The high-voltage testing laboratory provides a wide range of possibilities in the field of short and long-term insulation testing. It has two independent testing halls, several smaller laboratories, and an open-air testing area for voltage tests, such as lightning impulse voltage, alternating voltage, direct voltage, and switching impulse voltage, as well as combined voltage tests. In parallel with the voltage tests, other examinations can be performed, among them measurements of conventional and UHF partial discharge (PD) radio interference voltage (RIV), measurements of dissipation factor and capacity, and rain tests. If required, monitoring camera systems and microscopes are used. Moreover, the open-air testing area permits long-term tests of insulation materials under DC and AC to simulate aging processes. The large test halls of the high-voltage test laboratory are shielded. This makes possible sensitive PD measurements with a very low noise level of less than 1 pc. The highvoltage test laboratory also permits tests of the capacitive breaking capacity of GIS breakers. Furthermore, surge current test circuits for surge arrester tests are available. Maximum test voltages Alternating voltage (50 Hz) Lightning impulse voltage (1.2/50 μs) Switching impulse voltage (250/2,500 μs) Direct voltage Maximum impulse currents Maximum lightning impulse current (8/20 µs) Maximum switching impulse current (30/60 µs) Maximum high impulse current (4/10 µs) Maximum rectangular impulse current (2 ms) Further values on request 1,200 kv, open air up to 1,800 kv 3,000 kv 1,800 kv 1,200 kv 40 ka 3 ka 150 ka 5 ka 7

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9 The mechanical testing laboratory Tests of mechanical functions, temperature rise, and environmental properties The mechanical testing laboratory examines and analyzes mechanical functions and environmental properties. Modern measurement technology enables the precise, partially automated logging and analysis of measured data. The mechanical test laboratory comprises a high-current system for temperature rise tests at 50/60 Hz AC, several temperature chambers, and control and measuring systems for the performance of continuous switching tests, among others. These comprehensive facilities make possible a wide range of tests and examinations, such as: Lifetime tests and mechanical endurance tests High-current tests and temperature rise tests Tightness tests and pressure tests Low and high-temperature tests IP degree of protection tests Measurement of sound pressure level Foundation load measurements Additionally, a powerful, cam- and frequency-controlled vibration test system with vertical and horizontal acceleration permits the determination of break, tension, and compression parameters, testing of the mechanical service life, and transport and earthquake testing. We perform and supervise icing tests and standardcompliant earthquake tests in external facilities approved by the testing laboratory. Characteristics of the mechanical testing laboratory Maximal current for temperature rise tests 10 ka (50/60 Hz) Temperature range of the temperature chamber (2.4 x 3 x 2.2 m) Functional range of the temperature cabinet (1 x 1 x 1 m) Performance data of the vibration test system Maximal power Maximum stroke Maximal acceleration Frequency range 60 to +80 C 70 to +200 C 250 kn ±100 mm 100 m/s² 0.1 to 200 Hz Further values on request 9

10 Documentation, standards, and accreditations High quality and worldwide recognition ensure competitive advantages Our high quality standards also apply to our test documentation. That s why the test documents we issue either as a Siemens testing laboratory or as a PEHLA institution are esteemed and recognized by customers and end users of electrotechnical devices around the world. Manufacturers of successfully tested products benefit from facilitated market entry: In many cases, the presentation of our test document is an essential selling point. We provide all our customers with the option to individually define the nature and extent of the documentation depending on performed tests and relevant standards. This way, all market demands can be optimally factored in. Thanks to extensive automation of the document preparation process, we are able to deliver all test documents shortly after completion of the tests. Further documentation material, such as video documentations, high-speed images, and thermal images, can be provided on request. These media can additionally illustrate and underpin the quality and the behavior of the tested products. We perform our tests according to IEC, DIN, EN, VDE, ANSI, IEEE, GOST, GB, and other national and international standards or according to customer specifications. Excerpt Specimen/standard Applicable standard High-voltage circuit breaker IEC Auto-reclosers IEC Metal-enclosed switchgear IEC Gas-insulated metal-enclosed switchgear IEC Disconnecting and earthing switches IEC Circuit breakers IEC High-voltage contactors and motor IEC starters Surge arresters IEC Current transformers IEC Insulators IEC 60383/60168 Environmental testing IEC A full overview of the standards according to which we are accredited is available on our Web site: siemens.com/energy/psw Further standards on request Simply scan QR code with your cell phone to view the full scope of accreditation online. The testing laboratory has been accredited according to DIN EN ISO/IEC by the Deutsche Akkreditierungsstelle (DAkkS) 10

11 A tradition of top performance Milestones in the history of the testing laboratories in the Schaltwerk Berlin Commissioning of the high-power and high-voltage testing laboratories Capacity upgrade of the high-power testing laboratory to 1,200 MVA Commissioning of the testing laboratories that were reconstructed after the war Construction of new high-voltage testing halls Co-foundation of PEHLA Commissioning of a new high-power testing laboratory with a maximum capacity of 3,200 MVA Upgrade of the open-air test area with a 5 MV impulse voltage generator Capacity upgrade of the high-power testing laboratory to a maximum of 6,400 MVA Accreditation of the testing laboratories according to the standard previous to ISO/IEC Construction of a new temperature rise test area for 50/60 Hz up to 6,000 A Commissioning of the vibration test system Upgrade of the synthetic test circuit to a maximum voltage of 1,150 kv Extension of the mechanical testing laboratory by a new, independent mechanical endurance test hall 11

12 Published by and copyright 2013: Siemens AG Energy Sector Freyeslebenstrasse Erlangen, Germany Siemens AG Energy Sector Power Transmission Division High Voltage Products E T HP GS R&D LAB Nonnendammallee Berlin, Germany siemens.com/energy/psw psw-lab.energy@siemens.com Order No. E50001-D630-A225-X-4A00 Printed in Germany Dispo fb 5201 WÜ WS Printed on elementary chlorine-free bleached paper. All rights reserved. Trademarks mentioned in this document are the property of Siemens AG, its affiliates, or their respective owners. Subject to change without prior notice. The information in this document contains general descriptions of the technical options available, which may not apply in all cases. The required technical options should therefore be specified in the contract. Scan QR code with your cell phone to visit the website