3d models from maschinenfabrik reinhausen
TRANSCRIPT
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On-load tap-changer OILTAP RTechnical Data TD 115
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Table of Contents
1 General .................................................................................................................................................................................................................. 4
1.1 Summary of the technical data ....................................................................................................................................................... 4
1.2 Survey ....................................................................................................................................................................................................... 6
2 Technical Data ................................................................................................................................................................................................... 15
2.1 Rated through-current (Iu), rated step voltage (Ui) and step capacity (PStN) ................................................................ 15
2.2 Contact life ............................................................................................................................................................................................. 17
2.3 Rated withstand voltages of the internal insulation ................................................................................................................ 17
3 Appendix dimensional and installation drawings .......................................................................................................................... 20
Table of Contents
NOTE
These technical data are intended for the calculator and designer of the transformer. These type-specific data are onlyvalid in connection with the information contained in the general section (TD 61) since this section contains importantinformation on such subjects as potential connection, leakage inductance, current division, and so on.Dimensional drawings and connection diagrams are subject to change without prior notice.Drawings submitted during bidding and ordering are always binding.
Since the on-load tap-changer is delivered to the specifications of the transformer manufacturer, the transformermanufacturer is responsible for selecting the correct properties of the on-load tap-changer so that the requirementsof the transformer are met.
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1 General
1 General
1.1 Summary of the technical data
On-load tap-changer R III 1200 Y R I 1201 R I 2002 R I 24023) R I 3003
Number of poles and application 3 (neutral point) 1 1 1 1
Max. rated through- 1200 1200 2000 2400 3000
current Ium (in A)
Rated short-time withstand 15 15 24 24 30current (in kA)
Rated short-circuit duration 3 3 3 3 3(in s)
Rated peak withstand current 37.5 37.5 60 60 75(in kA)
Max. rated step voltage Uim 4000 4000 4000 4000 3000(in V)1)
Step capacity (PStN) 3000 30002) 44002) 60003) 6000
(in kVA)
Rated frequency (in Hz) 50 to 60
Operating positions Without change-over selector: max. of 18 With change-over selector: max. of 35
Rated insulation level
Highest voltage for 72.5 123 170 2459) 300 3627)
equipment Um(in kV)5)
Highest operating voltage Ub 55 79 145 170 245 3008)
(phase-phase)on diverter switch(in kV)
Rated lightning impulse with- 350 550 750 950 1050 1175stand voltage (in kV, 1.2 I 50)
Rated switching impulse 850 950withstand voltage (in kV)
AC withstand voltage 140 230 325 395 460 510(in kV, 50 Hz, 1 min.)
Rated withstand voltages of see table 3internal insulation
Oil compartment Pressure-proof up to 0.3 bar continuous difference pressure (test pressure 0.6 bar),head and cover of the on-load tap-changer are vacuum-proof.
Oil suction pipe Installed as standard (for details, see BA 18)
Temperature range The on-load tap-changer OILTAP R can be operated in the rated load range with oiltemperatures of -25 C to +105 C.
Table 1 a
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1 General
On-load tap-changer R III 1200 Y R I 1201 R I 2002 R I 2402 R I 3003
without change- 525 360 4454) 445 525over selector
with change- 595 (7704)) 410 (5004)) 505 (6404)) 505 (6404)) 595 (7804))over selector
72.5 kV 289 (3674)
) 274 (3534)
) 280 (3604)
) 280 (3604)
) 286 (3674)
)123 kV 314 (3924)) 299 (3764)) 305 (3844)) 305 (3844)) 311 (3924))
170 kV 334 (4124)) 319 (3964)) 325 (4044)) 325 (4044)) 331 (4124))
245 kV 354 (4324)) 339 (4164)) 345 (4244)) 345 (4244)) 351 (4324))
300 kV 369 (4464)) 374 (4534)) 374 (4534)) 380 (4614))
72.5 kV 168
123 kV 188
170 kV 203
245 kV 218
300 kV 240
Notes for tables 1a and 1b:
1) The maximum rated step voltage may be exceeded by 10% due to overexcitation of the transformer if the step capacity islimited to its rated value.
2) Higher step capacities available as special design
3) Forced current division by two parallel winding branches required4) Applies to tap selector size E
5) In accordance with VDE 0111, part 1: R.m.s. value of the phase-phase voltage for which a piece of equipment is rated forits insulation
6) Minimum volume of oil conservator for oil temperature = 30 C ... +100 C: DV = 0,1 VS+ 4 (dm3)
7) On request
8) Oil filter unit 0F 100 (combi-filter) required, UbST> 300 kV on request
9) Rated withstand voltages comply with IEC 60214: 1989; unrestricted tests possible up to 1050 kV 1.2|50 or 460 kV,50 Hz, 1 min.
Table 1 b
Displacementvolume(in dm3)ca.
Oil fillingquantity V
S
and minimumvolume DV6)
of the diverterswitch oilcompartment
Weight
(in kg) ca.
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1 General
Fig. 1a Survey of the on-load tap-changer designs (no. of poles, change-over selector, and installation lengths)
1.2 Survey
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1 General
Fig. 1b Survey of the on-load tap-changer designs (no. of poles, change-over selector, and installation lengths)
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Survey of the basic connection diagrams (figures 2a, 2b, 2c) with designation of the tap selector contact terminals in accord-ance with MR standards. This contact terminal designation corresponds to the specifications in the on-load tap-changerdimensional drawings.
Fig. 2a
1 General
excerpt from 8906164E_1
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Fig. 2b
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1 General
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Fig. 2c
1 General
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1 General
Examples of connection diagrams (contact designation in acc. w. MR standards)
Fig. 3 Example: On-load tap-changer R III 1200 YC/D, basic connection diagram 10 19 1 W
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Fig. 4 Example: On-load tap-changer R III 1200 YE,basic connection diagram 14 27 1 G
1 General
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Fig. 5 Example: On-load tap-changer R I 2002C/D, basic connection diagram 18 35 1 W
1 General
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1 General
Fig. 6 Example: On-load tap-changer R I 3003C/D, basic connection diagram 18 35 1 W
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2.1 Rated through-current(Iu), rated step voltage(Ui) and step capacity(PStN)
Table 2 Rated through-currents (Iu), related rated step voltages (Ui) and step capacities (PStN),at highest and lowest rated step voltage of the step capacity curve (see fig. 7and fig. 8)
Note: 1) R I 2402 with forced current division by two parallel winding branches
Fig. 7Step capacities (rated step voltages U
i, rated through-
currents Iu) for on-load tap-changer R III 1200 Y,R I 1201, R I 1202
CAUTION:Only applies to network service. When used forindustrial transformers, please contact us.
2 Technical Data
On-load-R I 2003
tap-changerR III 1200 Y R I 1201 R I 2002 (Special R I 24021) R I 3003
design)
Iu(A) 700 1200 700 1200 1070 2000 1300 2000 1400 2400 2000 3000
Ui(V) 4000 2500 4000 2500 4000 2200 4000 3000 4000 2500 3000 2000
PStN(kVA) 2800 3000 2800 3000 4280 4400 5200 6000 5600 6000 6000 6000
2 Technical Data
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2 Technical Data
Fig. 8
Step capacities (rated step voltages Ui, rated through-currents Iu) for on-load tap-changer R I 2002,
R I 2003 (= special design), R I 2402, R I 3003.Note: 1)R I 2402 with forced current division by two parallel winding branches.
CAUTION: Only applies to network service. When used for industrial transformers, please contact us.
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2 Technical Data
2.2 Contact life
The mean expected contact life of the arcing diverter switch contacts can be estimated based on the relative load (Iu/ Ium)as shown in figure 9. Since actual contact life in individual cases depends on many influencing factors while in service,only estimations can be given (not applicable to constant current service).The inspection regulations must be observed.
Fig. 9Fig. 9Fig. 9Fig. 9Fig. 9 Expected mean contact life under average load
n Number of operationsIu Rated through-currentIum Max. rated through-current
KHW 579-4
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2.3 Rated withstand voltages of the internal insulation
Fig. 10shows diagrams of the voltage stress present on the tap winding of the three primary basic connections of three-pole on-load tap-changers and single-pole on-load tap-changers.When selecting the on-load tap-changer, a check must be made to determine whether the highest stress on the tap selectordoes not exceed the related rated withstand voltages.
Fig. 10 Rated withstand voltages
a0 = Between preselected and selected tapping on the diverter switch
a1 = Between tap selector contacts of the winding of one tap position (connected or not)
a = Between beginning and end of a tapped winding and, with coarse tap winding, between beginning and end of a coarse tap winding.Note for coarse tapping arrangement in (-) -position of the change-over selector:When stressed with impulse voltage, the permissible withstand voltage a must be adhered to between the end of a coarse tap winding connected withthe K tap selector contact and the tap selector contact at the end of the tapped winding of the same phase.
b = Between the tap selector contacts of different phases and between change-over selector contacts of different phases, which are connected with thebeginning/end of a tapped winding or with a tap selector contact.
f = Between diverter switch terminal and ground
Additional for coarse tapping arrangement in (+) - position of the change-over selector:c1 = From one (-) -change-over selector contact to terminal of the same phase.
c2 = Between (-) -change-over selector contacts of different phases
CAUTIONAdhere to the maximum rated
lightning impulse withstandvoltage stress on a0 in mid-position.
8997560M
Without change-over selector With reversing switch
With coarse tap selector in (+) - position With coarse tap selector in (- ) - position
2 Technical Data
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Table 3 Rated withstand voltages (in kV) of the internal insulation of the tap selector
Note: 1) Tap selectors in accordance with basic connection diagrams 10 09 1 W, 12 11 1 W, 14 13 1 W are designed as18 09 1 W, 18 11 1 W, 18 13 1 W.Tap selectors in accordance with basic connection diagrams 16 15 1 W and 18 17 1 W are not possible.
2) Higher values up to 550 kV on request3) Omitted for on-load tap-changers R I 1201, R I 2002/2402, R I 3003
The tap selector size (ID letters C, D, E) characterizes the internal insulation of the tap selector whose rated withstandvoltages must be adjusted to the requirements of the transformer winding.The permissible maximum service voltage along the individual tap selector paths is half the AC withstand voltages listed intable 3.
Insulation Tap selector size C Tap selector size D1) Tap selector size Edistances kV 1.2I50 kV, 50 Hz, 1 min kV 1.2I50 kV, 50 Hz, 1 min kV 1.2I50 kV, 50 Hz, 1 min
a0 Ub 72.5 kV: 140 kV 1.2I50; 30 kV, 50 Hz, 1 min / Ub >72.5 kV: 80 kV 1.2I50; 3 x USt
a1 150 30 150 30 150 30
a 400 85 5002) 110 670 180
b3) 400 100 5002) 150 670 180
c1 550 180 590 210 820 250
c23) 550 195 590 225 820 280
2 Technical Data
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3 Appendix
Dimensional drawings
On-load tap-changer OILTAP R III 1200 Y, tap selector size C/D, E ...................................................................................... 896722, 897867
On-load tap-changer OILTAP R I 1201, tap selector size C/D, E ........................................................................................... 899753, 899401
On-load tap-changer OILTAP R I 2002, tap selector size C/D, E ........................................................................................... 896721, 897866
On-load tap-changer OILTAP R I 2402, tap selector size C/D, E ........................................................................................... 897490, 897864
On-load tap-changer OILTAP R I 3003, tap selector size C/D, E ........................................................................................... 896720, 897865
Tap selector and change-over selector terminal contacts, tap selector size E ...................................................................................... 897868
Installation drawings
Tap selector size C/D ................................................................................................................................................................................................ 896705
Tap selector size E ..................................................................................................................................................................................................... 897873
Additional drawings
On-load tap-changer head .................................................................................................................................................................................... 893899
On-load tap-changer cover with mounting flange for pressure relief valve ........................................................................................ 895168
Versions of the on-load tap-changer head, swiveling range of gear unit ............................................................................................. 896703
Special design for installation in bell-type tanks ........................................................................................................................................... 896762Horizontal drive shaft, tap selector size C/D, E .............................................................................................................................. 896708, 897872Jumpers for parallel connection of tap selector terminal contacts for on-load tap-changer OILTAP R I 2002,R I 3003, selector size C/D, E ................................................................................................................................................................ 896706, 898713
Tap selector bottom, shielding, tap selector size C/D .................................................................................................................................... 896702Tap selector bottom, tap selector size E ............................................................................................................................................................ 897869Tie-in resistors, tap selector size C/D .............................................................................................................................. 896707, 898124 - 898135Potential switch, tap selector size C/D, E ......................................................................................................................................... 898136, 898614Additional drawings for on-load tap-changer ................................................................................................................................................ 898826
3 Appendix
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On-load tap-changer OILTAP R
R III 1200 - C/D, dimension drawing8967227E
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On-load tap-changer OILTAP R
R III 1200 - E, dimension drawing8978677E
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On-load tap-changer OILTAP R
R I 1201 - C/D, dimension drawing8997530E
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On-load tap-changer OILTAP R
R I 1201 - E, dimension drawing8994011E
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On-load tap-changer OILTAP R
R I 2002 - C/D, dimension drawing8967218E
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On-load tap-changer OILTAP R
R I 2002 - E, dimension drawing8978666E
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On-load tap-changer OILTAP R
R I 2402 - C/D, with forced current division with two parallelwinding branches, dimension drawing
8974905E
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On-load tap-changer OILTAP R
R I 2402 - E, with forced current division with two parallelwinding branches, dimension drawing
8978646E
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On-load tap-changer OILTAP R
R I 3003 - C/D, dimension drawing8967208E
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On-load tap-changer OILTAP R
R I 3003 - E, dimension drawing8978657E
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On-load tap-changer OILTAP R
Tap selector size E,tap selector and change-over selector terminal contacts
8978683E
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On-load tap-changer OILTAP R
Tap selector size C/D, installation drawing8967056E
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On-load tap-changer OILTAP R
Tap selector size E, installation drawing8978733E
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On-load tap-changer OILTAP MS, M, R, RM
On-load tap-changer head, centric drive893899AE
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On-load tap-changer OILTAP MS, M, R, RM
With flange for pressure relief valve8951685E
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On-load tap-changer OILTAP R
Versions of the on-load tap-changer head, swiveling range anddrive direction of the gear unit
8967034E
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On-load tap-changer OILTAP MS, M, R, RM
Special design for installation in bell-type tank8967627E
Lifting device
Suction pipe
Drilling hole in sectional plane
O-Ring
O-Ring 44.2 - 5,7
Level traverse
Guiding ring withUm = 170 kV,
245 kV, 300 kV
Supporting flange
Level traverse
Z = Guiding pin
Transformer cover
Drive side of the tap selector
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On-load tap-changer OILTAP MS, M, R, RM
Horizontal drive shaft (limit dimensions)Tap selector size C/D, centric drive
8967087E
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On-load tap-changer OILTAP R
Horizontal drive shaft (limit dimensions)Tap selector size E, centric drive
8978723E
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On-load tap-changer OILTAP R
R I 2002, R I 3003, tap selector size C/DJumpers for parallel connection of tap selector terminal contacts
8967066E
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On-load tap-changer OILTAP R
R I 2002, R I 3003, tap selector size EJumpers for parallel connection of tap selector terminal contacts
8987131E
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On-load tap-changerOILTAP R
Tap selector size C/D, tap selector bottom shown with the lowest parts connected tothe voltage, standard design without grading ring, special design with grading ring
8967028E
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On-load tap-changer OILTAP R
Tap selector size E, tap selector bottom shows lowest partsconnected to voltage
8978695E
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On-load tap-changer OILTAP R
Tap selector size C/D, principal arrangement of potential switch andtie-in resistors
8967078E
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On-load tap-changer OILTAP R
Tie-in resistor cylinder R I to WP, tap selector size C/D,Um= 72.5 kV to 300 kV, 2 x 14 to 2 x 18 resistors
8981242M
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On-load tap-changer OILTAP RTie-in resistor cylinder R I to WP, tap selector size C/D,Um= 72.5 kV to 300 kV, 2 x 3, 2 x 5, to 2 x 13 resistors
8981252M
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On-load tap-changer OILTAP RTie-in resistor cylinder R I to WP, tap selector size C/D,Um= 72.5 kV to 300 kV, 2 x 4, 2 x 6 to 2 x 12 resistors
8981262M
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On-load tap-changer OILTAP RTie-in resistor cylinder R I to WP, tap selector size C/D,Um= 72.5 kV to 300 kV, 3 to 26 resistors
8981272M
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On-load tap-changer OILTAP RTie-in resistor cylinder R I to WR, tap selector size C/D,Um= 72.5 kV to 300 kV, 2 x 14 to 2 x 18 resistors
8981282M
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On-load tap-changer OILTAP RTie-in resistor cylinder R I to WR, tap selector size C/D,Um= 72.5 kV to 300 kV, 2 x 3, 2 x 5, to 2 x 13 resistors
8981292M
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On-load tap-changer OILTAP RTie-in resistor cylinder R I to WR, tap selector size C/D,Um= 72.5 kV to 300 kV, 2 x 4, 2 x 6, to 2 x 12 resistors
8981302M
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On-load tap-changer OILTAP RTie-in resistor cylinder R I to WR, tap selector size C/D,Um= 72.5 kV to 300 kV, 3 to 26 resistors
8981312M
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On-load tap-changer OILTAP RTie-in resistor cylinder R III 1200 WP, tap selector size C/D,Um= 72.5 kV to 245 kV, 3 x 2 to 3 x 7 resistors
8981322M
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54 TD 115/02 115/02/01/0
On-load tap-changer OILTAP RTie-in resistor cylinder R III 1200 WP, tap selector size C/D,Um= 72.5 kV to 245 kV, 3 x 8 to 3 x 10 resistors
8981332M
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On-load tap-changer OILTAP RTie-in resistor cylinder R III 1200 WR, tap selector size C/D,Um= 72.5 kV to 245 kV, 3 x 2 to 3 x 8 resistors
8981342M
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On-load tap-changer OILTAP RTie-in resistor cylinder R III 1200 WR, tap selector size C/D,Um= 72.5 kV to 245 kV, 3 x 9 to 3 x 11 resistors
8981352M
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On-load tap-changer OILTAP RPotential switch R III 1200 WS, R I to WS, tap selector size C/D,Um= 72.5 kV to 300 kV
8981362M
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On-load tap-changer OILTAP RPotential switch R III 1200 WS, R I to WS, tap selector size E,Um= 72.5 kV to 300 kV
8986142M
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On-load tap-changer OILTAP R
Additional drawings for on-load tap-changer8988261E
Basic connection diagrams ..............................................................890616
Tap selector and change-over selector terminal contacts,tap selector size E ................................................................................897868
Tap selector bottom, shielding,tap selector size C/D ........................................................................... 896702
Tap selector bottom, tap selector size E ...................................... 897869
Versions of the on-load tap-changer head ................................ 896703
Horizontal drive shaft, tap selector size C/D .............................. 896708
Horizontal drive shaft, tap selector size E...................................897872
Installation drawing, tap selector size C/D ................................. 896705
Installation drawing, tap selector size E ...................................... 897873
On-load tap-changer head ..............................................................893899
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www.reinhausen.com
Maschinenfabrik Reinhausen GmbH Phone +49 941 40 90-0Falkensteinstrasse 8 Fax +49 941 40 90-11193059 Regensburg, Germany E-Mail [email protected]