Siemens Generator Test Center Muelheim an der Ruhr, Germany

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1 siemens.com/energy/generators Siemens Generator Test Center Muelheim an der Ruhr, Germany A high-performance test field with a long tradition Answers for energy.

2 Test with the best: Siemens Test Center Muelheim The key benefit for our customers is providing them with reliable information on the potential operational capability of their generators under simulated operating conditions, with engineering and manufacturing right next door. Axel Blinn Head of Turbo-Generator Test Center Technology and tradition After its completion in early 1972, the first machine to be tested in the Muelheim generator test field was a water-cooled 900 MW generator. In the meantime, more than 450 generators of different type and power classes from Siemens large portfolio of generators, ranging from 25 MVA to 370 MVA, have been tested in accordance with IEC 6034 and their distinctive specifications. After the center s modernization in 2006, even the world s largest generator, SGen5-4000W, with a power output of up to 2,235 MVA, can be type-tested here. Today the Muelheim test field is one of the most modern and powerful generator test fields in Europe. Why should a generator be tested? In increasingly quality-oriented energy markets, each and every power plant component needs to be reliable and fully functional. Testing a generator provides an opportunity to prove that the function and performance characteristics of the generator are compliant with those stated in the contract. The advantage is obvious: higher availability. In addition a generator test in Mülheim serves to prove the machine s functionality and verify performance parameters and their tolerance design (only for prototypes). 2 Wedding of large air-cooled SGen5-1200A generator

3 The unique test bed at Siemens Test Center Muelheim: A testing facility with no limitations or compromise on quality 3

4 A large SGen5-3000W water-cooled generator in the test bed Testing the world s largest generator, the SGen5-4000W In accordance with IEC6034, the following tests* can be carried out: Determination of exact electromagnetic performance parameters to secure the generator s ability to resist grid disturbance conditions Determination of individual losses and efficiency Determination of mechanical and technical behavior Proof of scalability of the results of type-tested generators to larger or smaller models Proof of tightness under rotating conditions (for H 2 -cooled machines only) Proof of machine functionality and verification of performance parameters and of their tolerance design (for prototypes only) At predefined witness points, the customer can be present for some of the tests performed on his generator live in the control room Why choose Siemens Test Center Muelheim? In Muelheim, your generator is being tested in one of the most advanced test fields in Europe. The center offers a broad range of test types for nearly all machine sizes. Its most important advantage is the unique combination of an experienced testing and engineering staff with a backlog of more than 450 test runs in over 40 years with well proven state-of-the-art technical equipment. Two test beds with rotating testing up to 3,600 rpm for 50/60 Hz application and all power ranges: Test bed 1: 2 x 8 MW DC drive + gear box n=1:3 for 4-pole or 1:6 for 2-pole generators Test bed 2: 1 x 2 MW + 1 x 3 MW DC drive + gear box n=1:3 for 2/4-pole generators 4 * For detailed testing list, please see enclosed attachment

5 Cutting-edge calibration instruments Transport of a hydrogen-cooled generator on a specially designed Schnabel car Real-time online display of all measures and calculated results through state-ofthe-art infrastructure and software: Independent network environment State-of-the-art measurement hardware for power analysis and tailored multi-channel process system for comprehensive data acquisition and analysis in the control room Data transfer via optical fiber guide system Measurement infrastructure with 500+ channels enables the tracking and monitoring of all relevant parameters like pressure, flow, temperature, vibration, and electrical values Leading-edge infrastructure allows plug&play online monitoring for engineering purposes and provides direct interfaces for special measurements Calibration laboratory in accordance with ISO for calibration of numerous electrical measurement equipment: Phase power meters Digital multi-meters Small current transformers Small voltage transformers Shunts Flexible logistic infrastructure supports all scales of machines from small industry generators with 25 MVA to large water-cooled machines with an output of up to 2,235 MVA: Overhead crane with 600 t capacity Internal and external railway connection to international train logistic Water connection (to river Ruhr) 5

6 Testing facilities at Siemens Test Center Muelheim Kurzzeichen/ Abbreviation Vorgang/ Procedure Generator Baureihe/ Generator series SGen-100A-4P SGen-100A-2P SGen-1000A SGen-1200A SGen-2000H SGen-2200H SGen-3000W SGen-4000W RG-Erreger/ RR exciter S 1 Messen des Nach- und Endladestromes der Ständerwicklung/ Charge- and discharge-current measurement on stator end-winding S 2 Messung der Intensität der Teilentladungen/Partial-discharge measurement S 3 Stichprobenprüfung einzelner Stäbe oder Spulen nach VDE 0530/ Random tests on sample bars or coils according to VDE 0530 S 4 Einstellung des Erregerzubehörs/Adjustment of excitation accessories S 5 Messung des Luftspaltfeldes mit Leiterschleifen oder Sonden/ Measurement of air-gap field with an air-gap probe S 6 Messung der Temperatur bzw. des Schwingungsverhaltens spezieller Maschinenteile mit zusätzlich für die Messung eingebaute Sonden/Measurement of temperature or vibration behavior on special machine components with detectors additionally installed S 7 Funktionsprüfungen an Überwachungs- und Diagnosesystemen/ Functional tests on monitoring and diagnostic systems St 1 Wuchten im Prüffeld/Balancing in the test field St 2 Prüfung des Laufverhaltens/Testing of running behavior St 3 Bestimmung der Kühl- und Schmiermedien für Lager und Wellendichtung/ Determination of temperature increases of coolants and lubricants for bearings and shaft seals St 4 Druckmessung zur Kontrolle der Kühlgasverteilung und Bestimmung des Volumenstromes/ Pressure measurements to check cooling-gas distribution and determination of volumetric flow rate St 5 Aufnahme der hydraulischen Kennlinien der Primärwasserkreise/ Recording of hydraulic primary water-circuit characteristics St 6 Ermittlung der Reibungsverluste/Determination of friction losses St 7 Aufnahme der Leerlaufkennlinie und Ermittlung der Eisenverluste/ Recording of open-circuit characteristic and determination of core losses St 8 Messung der Wellenspannung/Measurement of shaft voltage St 9 Prüfung der Phasenfolge und der Klemmenbezeichnung/ Verification of phase sequence and appropriate terminal marking St 10 Messung des Erregerstromes und Ermittlung der Verluste im Kurzschluss bei Nennstrom/ Measurement of excitation current and determination of losses at rated current on short circuit St 11 Funktionskontrolle der Querfeldmessspulen/Functional test of cross-field measurement coil St 12 Messung der Leerlaufspannung + Kontrolle der Phasenfolge an der Hilfserregereinrichtung (Statische Erregung der Hilfserregermaschine)/Measurement of open-circuit voltage + check of phase sequence at the auxiliary exciter equipment (static excitation of pilot exciter) St 13 Rechnerische Bestimmung des Wirkungsgrades aus den Einzelverlusten/ Calculation of efficiency from the individual losses St 14 Messung der Isolationswiderstände der Wicklungen/Winding insulation resistance measurement St 15 Hochspannungsprüfung an den Wicklungen/High voltage test on windings St 16 Funktionsprüfung des Zubehörs und der Anbauteile/Functional test of accessories and attachments 6

7 Kurzzeichen/ Abbreviation T 1 T 2 T 3 T 4 Vorgang/ Procedure Aufnahme der Kurzschlusskennlinie und Ermittlung der Kurzschlussverluste/ Recording of short-circuit characteristics and determination of short-circuit losses Ermittlung der Erwärmung im mechanischen Leerlauf/ Determination of temperature increases at mechanical no-load Messung der Erwärmung im Leerlauf erregt/ Determination of temperature increases at no-load excited Messung der Erwärmung im Kurzschluss/ Determination of temperature increases at short circuit T 5 Ermittlung der Nennlasterwärmung aus T 2 T 4/ Determination of temperature increases at rated load from T 2 T 4 T 6 T 7 T 8 T 9 T 10 T 11 T 12 T 13 Ermittlung der Ventilations- und Lagerreibungsverluste/ Determination of windage and bearing friction losses Harmonische Analyse der Leiterspannung und Ermittlung des THF/ Harmonic analysis of line-to-line voltage and determination of THF Feldstrom-Abkling-Versuch (Offene Ankerwicklung)/ Field current decay test with the armature winding open-circuited Bestimmung der Inversreaktanz/ Determination of negative-sequence reactance Bestimmung der Nullreaktanz/ Determination of zero-sequence reactance 3-strängiger Stoßkurzschlussversuch und Bestimmung der Kenngrößen/ Sudden three-phase short-circuit test and determination of parameters Ermittlung der Ankerreaktanz bei ausgebautem Läufer/ Determination of armature reactance without rotor Auslaufversuch zur Ermittlung des Trägheitsmomentes/ Retardation test and determination of moment of inertia Generator Baureihe/ Generator series SGen-100A-4P SGen-100A-2P SGen-1000A SGen-1200A SGen-2000H SGen-2200H SGen-3000W SGen-4000W RG-Erreger/ RR exciter T 14 Geräuschmessung/Noise measurement T 15 T 16 T 18 T 19 Aufnahme der Belastungskennlinie und Ermittlung der Lastverluste/ Recording of load characteristics and determination of load losses Ermittlung der Erwärmung bei Belastung/ Determination of temperature increases at load Ermittlung der Erregungsgeschwindigkeit (nur mit original Erregereinrichtung möglich)/ Determination of excitation response (only possible with original excitation device) Hilfserregermaschine: Ermittlung der Erwärmung bei Belastung, Aufnahme der Belastungskennlinie bei cos phi = 1, Messung des Kurzschlussdauerstromes/ Pilot exciter: Determination of temperature rises at load, recording of load characteristics at p.f. = 1, measurement of the sustained short-circuit current wird angeboten/offered wird nicht angeboten/not offered 7

8 Published by and copyright 2014: Siemens AG Energy Sector Freyeslebenstrasse Erlangen, Germany For more information, please contact our Customer Support Center. Phone: / Fax: / (Charges depending on provider) support.energy@siemens.com Power Generation Division Order No. E50001-G210-A429-X-7600 Printed in Germany Dispo TH 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.