Contents
PLENARY SESSION I
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TELECOM DEVELOPMENT AND THE POWERING IN EASTERN EUROPE
G. Takacs, Ericsson, Hungary |
11 |
DEVELOPMENT OF THE TELECOMS POWER SYSTEMS IN RUSSIA (PTN IS TAKEN AS AN EXAMPLE)
O. Chekster, LONIIS, M. Chaporov, PTN, St. Petersburg, Russia |
13 |
POWER SUPPLY PROBLEMS OF TELECOMMUNICATION CENTERS IN UKRAINE
A. Mozel, Odessa Research Institute for Communications Industry, Ukraine |
17 |
PLENARY SESSION II
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AN INFRASTRUCTURE FOR TELECOMMUNICATIONS POWER IN A NEW ERA IN PUBLIC NETWORKING
N. Osifchin, International Power Strategies, USA |
23 |
THE STATE OF THE ART IN JAPAN'S TELECOMMUNICATIONS ENERGY SYSTEMS - STRATEGY FOR TOTAL POWER MANAGEMENT
S. Muroyama, NTT Power and Building Facilities Inc., Japan |
29 |
STATE OF ART OF POWER FOR TELECOMMUNICATIONS IN BRAZIL: AN OVERVIEW OF THE IMPACT IN THE MARKET TRENDS AND R&D ACTIVITIES AFTER THE TELEBRAS PRIVATIZATION
J. E. Azarite, CPqD, Brazil |
33 |
DC POWERING OF INTERNET CERTIFIES FOR TELEPHONY
J. Akerlund, Uninterruptible Power Networks UPN AB, Sweden |
39 |
PLENARY SESSION III
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BATTERY TECHNOLOGIES FOR TELECOMMUNICATION APPLICATION
J. Wenzel, Accumulatorenfabrik Sonnenschein GmbH, Germany |
47 |
ACCELERATED RELIABILITY TESTING OF TELECOMMUNICATION SYSTEM USING HIGHLY ACCELERATED LIFE TEST (HALT) AND HIGHLY ACCELERATED STRESS SCREENING (HASS)
H.Berger, Marconi Communications GmbH, Germany |
49 |
BATTERIES AND OTHER ENERGY STORAGE SYSTEMS
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RELIABILITY CONSIDERATIONS ON VRLA BATTERIES AT THE EXAMPLE OF VARTA Vb AND OpzV BATTERIES
H. Willmes, St. Göbel, VHB Industriebatterien, Germany |
55 |
ETK'S EXPERIENCE IN THE APPLICATION OF VRLA BATTERIES
I.Klaric, Ericsson Nikola Tesla, Croatia |
57 |
AN INNOVATIVE APPROACH TO THE AUTOMATIC COMPENSATION OF RECTIFIER VOLTAGE VERSUS FLOAT CHARGING CURRENT MEASUREMENTS AND TEMPERATURE MEASUREMENTS
A.J. Brown, Multitel Inc., Canada |
61 |
BATTERIES IN GEL-TECHNOLOGY FOR TELECOM APPLICATION
F. Kramm, Accumulatorenfabrik Sonnenschein GmbH, Germany |
63 |
POSITIVE GRID PLATE SINGLE CELLS IN GEL-DESIGN FOR TELECOMMUNICATION APPLICATION
D. Kölbel, Accumulatorenfabrik Sonnenschein GmbH, Germany |
69 |
VRLA BATTERIES IN TELECOM APPLICATION: AGM OR GEL
G. Bonduelle, Hawker Oldham, France |
75 |
BATTERY MANAGEMENT SYSTEMS (BMS) FOR INCREASING BATTERY LIFE TIME
A. Jossen, V. Späth, H. Döring, J. Garche, ZSW, Germany |
81 |
VALVE-REGULATED BATTERIES IN STANDBY APPLICATION
D. Berndt, Technical Consultant, Germany, W. Jones, Philadelphia Scientific International, USA |
89 |
CONSIDERATIONS FOR THE CONFIGURATION AND ARRANGEMENT OF VALVE REGULATED MONOBLOC BATTERIES IN ENCLOSURES
B. A. Cole, M. A. Kepros, R. J. Schmidt, J. Szyborski, GNB Technologies N.V., Belgium |
97 |
THE NEW GENERATION OF BATTERIES FOR TELECOM APPLICATIONS
O. Vigerstol, J. Mc Dowall, Saft America, USA, A. Brenier, Saft France, France |
103 |
NEW GENERATION OF FNC-BATTERIES
Dr. Gutzeit, Accumulatorenwerke Hoppecke, Germany |
109 |
ALKALINE BATTERIES FOR APPLICATIONS IN TELECOMMUNICATION
Dr. Ohms, Accumulatorenwerke Hoppecke, Germany |
111 |
COLLECTION AND RECYCLING OF SPENT PORTABLE BATTERIES - THE ACTUAL SITUATION IN EUROPE
J. Fricke, GRS, Germany, H.-A. Kiehne, Technical Consultant, Germany |
115 |
LITHIUM RECHARGEABLE BATTERIES FOR PORTABLE TELECOMMUNICATION APPLIANCES - BASIC CONCEPTS AND RECENT DEVELOPMENTS
G. Eichinger, FriWo Silberkraft, Germany |
123 |
THE DEVELOPMENT OF FRONT PURE LEAD VRLA BATTERIES FOR TELECOMMUNICATION APPLICATIONS
A. Loyns, Hawker Energy Products Ltd., UK |
129 |
THERMAL MANAGEMENT OF INDOOR AND OUTDOOR INSTALLATION
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THERMAL DESIGN OF AN OPTICAL NETWORK UNIT (ONU) TO BE IMPLEMENTED INTO AN OUTDOOR ENCLOSURE
H. Berger, Marconi Communications GmbH, Germany |
133 |
STUDY OF LIFETIME AT CLIMATED AND NON CLIMATED BATTERIES INSIDE OF AN OUTDOOR CABINET (KVz)
R. Koppenhöfer, Marconi Communications GmbH, Germany |
137 |
LOW ENERGY AIR CONDITIONING IN SHELTERS FOR TELECOMMUNICATION NETWORKS
M. Scattolin, Hiross Spa, P. Romagnoni, Insituto Universitario di Architettura, R. Zecchin, Universitá di Padova, Italy |
143 |
THE BENEFIT OF A DOUBLE SHELL CONSTRUCTION FOR OUTDOOR ENCLOSURES
R. Korte, Quante AG, Germany |
147 |
AC/DC POWER SUPPLIES
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THE REQUIREMENTS AND SPECIFIC FEATURES RELATED TO POWER SUPPLYIN TELECOMMUNICATIONS OF UKRAINE
T. Lubashenko, State Institute on Designing of Telecommunications Facilities, Ukraine |
153 |
DIMENSIONING ASPECTS OF 48 V TELECOMMUNICATIONS POWER SUPPLY SYSTEMS
L. Jakab, Siemens Telefongyár Kft, Hungary |
159 |
POWERING IN PRACTICE: NEW TASKS, NEW PROBLEMS IN FUNCTION OF THE DEVELOPMENT
Z. Janklovics, G. Gerdai, Hungarian Telecom Company (HTC), PKI Telecommunications Development Institute, Hungary |
165 |
A NEW APPROACH FOR COMPENSATING THE EFFECTS OF UNBALANCED SUPPLY VOLTAGES ON AC-DC CONVERTERS
A. Draou, Université des Sciences et de la Technologie d'Oran, Algeria |
171 |
PERIODIC AND CHAOTIC RESPONSES OF A CONTROLLED RECTIFIER FOR TELECOMMUNICATION APPLICATIONS
Z. Sütö, 1. Nagy, Technical University of Budapest, Hungary |
173 |
ANALYSIS OF THE BEHAVIOUR OF PT- AND NPT-IGBTS UNDER ZVS OPERATION BY EXPERIMENTS AND SIMULATIONS
M. Cotoregea, J. Aguayo, CENIDET, Mexiko, R.-M. Cernat, Transilvania University of Brasov, Romania |
177 |
CONTROL OF POWER IN A RESONANT DC-DC BUCK & BOOST CONVERTER
I. Nagy, J. Hamar, Technical University of Budapest, Hungary |
179 |
FUZZY CONTROLLED RESONANT DC-DC CONVERTERS
I. Nagy, I. Dénes, Technical University of Budapest, Hungary |
185 |
MODELING OF INPUT DYNAMICS OF TELECOM LOAD
T. Suntio, J. Lempinen, University of Oulu, I. Gadoura, K. Zenger, Helsinki University of Technology, Finland |
191 |
PRACTICAL DESIGN-ISSUES OF MULTI-LOOP CONTROLLER FOR A TELECOM RECTIFIER
T. Suntio, J. Lempinen, University of Oulu, I. Gadoura, K. Zenger, Helsinki University of Technology, Finland |
197 |
ALTERNATIVE POWER SOURCES FOR TELECOM NETWORKS
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25 YEARS OF EXPERIENCE WITH CLOSED CYCLE VAPOR TURBOGENERATORS AS PRIMARY POWER SOURCE IN REMOTE TELECOMMUNICATION PROJECTS IN RUSSIA AND CIS COUNTRIES
J.Gropper, Ormat Industries Ltd., Israel |
203 |
1-kW PORTABLE FUEL CELL SYSTEM BASED ON PEFCs
N.Kato, T. Murao, K. Fuji, T. Aoki, S. Muroyama, NTT Power and Building Inc., Japan |
209 |
STANDBY POWER SUPPLY USING ALTERNATIVE ENERGY THROUGH COGENERATION TECHNOLOGIES
R.K. Járdán, I. Nagy, 0. Dranga, Technical University of Budapest, Hungary |
215 |
PHOTOVOLTAIC POWER SUPPLY FOR TELECOMMUNICATION NETWORK COMPONENTS IN REMOTE AREAS
A. Steinhüser, W. Schulz, H. Schmidt, W. Roth, Fraunhofer Institute of Solar Energy Systems ISE; Germany |
221 |
POWERING FITL
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POWERING FITL FOR DEUTSCHE TELEKOM
W. Schulz, T-Nova Deutsche Telekom Innovationsgesellschaft mbH , Germany |
227 |
MEDIUM VOLTAGE AC REMOTE POWERING OF ACCESS NETWORK EQUIPMENT
E. Blondel, Swisscom Ltd., Switzerland, G. Gerdai, HT, Hungary, D. Marquet, FT, France, F. Morgado, PT, Portugal |
233 |
UPS AND CONVERTERS
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SOME ASPECTS OF REDUCING FERROMAGNETIC COMPONENTS IN UNINTERRUPTIBLE POWER SUPPLIES
K. F. Hoffmann, M. Patt, Universität der Bundeswehr, Germany |
239 |
SERIES RESONANT CONVERTERS OF UPS
J. Goren, B. Kurchik, Gamatronic Electronic Industries LTD., Israel |
245 |
UNINTERRUPTIBLE POWER SUPPLY SYSTEM FOR POWERING OF TELECOM EQUIPMENT
A. Goldiner, V. Golovko, A. Ljubelskiy, Electrosystems Ltd., St. Petersburg, Russia |
251 |
A NOVEL THREE-PHASE PULSE WIDTH MODULATION (PWM) TECHNIQUE BASED ON CO-RELATED REFERENCES
Q. Zheng, R. Hao, Northern Jiaotong University, P.R. China, Q. Wang, L. Chang, University of New Brunswick, Canada |
255 |
A SYSTEM-DESIGN FOR UPS-EQUIPMENT FOR LONG-TERM BACK-UP TIMES
S. Hopf, Siemens AG, Germany |
259 |
NEW INVERTER MODULE WITH DIGITAL CONTROL FOR PARALLEL OPERATION
H.-P. Glauser, M. Keller, A. Plüss, M. Schwab, R. Scherwey, Ascom Energy Systems, Switzerland |
265 |
THREE-PHASE VOLTAGE SOURCE SOFT-SWITCHING INVERTER FOR BATTERY AND SUPER CAPACITOR ENERGY STORAGE PLANTS
M. Yamamoto, M. Ando, H. Iwamoto, E. Hiraki, S. Sugimoto, I. Kouda, M. Nakaoda, Yamaguchi University, Japan |
271 |
FAST TRANSFER SWITCH FOR UNINTERUPTIBLE AC POWER SYSTEM OPTIMIZED FOR TELECOM APPLICATION
A. Goldiner, V. Golovko, G. Hasov, 0. Kalenjuk, Electrosystems Ltd., St. Petersburg, Russia |
277 |
CONVERSION TECHNOLOGY AND DESIGN OF POWER SUPPLIES
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GLOBALITY AND LOGISTIC EXPLOITATION ASK FOR MATCHED SYSTEMS TOPOLOGIES
R. Kalfhaus, SYKO GmbH, Germany |
281 |
TRANSFORMER PARASITIC INDUCTOR COMPONENTS-ASSISTED SOFT-COMMUTATION DC-DC CONVERTER WITH RECTIFIER SIDE ACTIVE POWER SWITCHING CONTROL SCHEME
K. Saitoh, T. Morimoto, T. Matsushige, S. Shirakawa, M. Nakaoka, Yamaguchi University, Japan |
287 |
COMBINED CONVERTER FOR FEEDING NETWORK TERMINATION AND TERMINAL EQUIPMENT
D. Scharf, Marconi Communications GmbH, Germany |
293 |
CUSTOMER SPECIFIC DESIGN VERSUS APPLICATION OF STANDARD MODULES
H. Kaib, Siemens AG, Germany |
297 |
CALCULATION AND OPTIMIZATION OF SWITCH MODE MAGNETICS
E. Drechsler, Siemens AG, Germany |
301 |
PARTIALLY RESONANT ACTIVE FILTER USING THE DIGITAL PWM CONTROL CIRCUIT WITH THE DSP
Y. Makino, Z. Luo, F. Kurokawa, H. Matsuo, T. Oshikata, Nagasaki University, Japan |
307 |
EXPLORING A MORE EFFICIENT METHOD FOR POWERING WIRELESS BASE STATIONS
K. Furmanczyk, Telecommunications Power Products&Systems, USA |
313 |
OPERATION AND MAINTENANCE
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EEM- WIRELESS SUPERVISION
H. Bilic, Ericsson Nikola Tesla, Croatia |
319 |
THE MONITORING SYSTEM OF THE VALVE REGULATED LEAD - ACID BATTERIES - BMS
R. Kaniewski, P. Klis, BSC, F. Kotz, MSC, Poland |
323 |
EMC IN TELECOMMUNICATION EQUIPMENT
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CONDUCTED NOISE FROM 48 VOLT DC-DC CONVERTERS USED IN TELECOMMUNICATIONS SYSTEMS AND ITS MITIGATION FOR EMC
C. Kraft, Lucent Technologies, USA |
327 |
SET-UP FOR TESTING TELECOM POWER UNIT IMMUNITY TO ELECTROMAGNETIC FIELDS
B. Modlic, K. Malaric, J. Bartoli, B. Kviz, University of Zagreb, B. Regvart, Independent Telecom Power Consulting, Croatia |
333 |
INFLUENCE OF HIGH MAGNITUDE ELECTROMAGNETIC FIELDS ON ON BOARD DC/DC-MODULES
B. Regvart, Independent Telecom Power Consulting, Zagreb, Croatia, B. Brakus, Siemens AG, Germany, K. Malaric, University of Zagreb, Croatia |
339 | |