3D Models From Maschinenfabrik Reinhausen

8/14/2019 3D Models From Maschinenfabrik Reinhausen

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On-load tap-changer OILTAP RTechnical Data TD 115

www.reinhausen.com


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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

8997470E_01


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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)

8997470E_02


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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

8906164D_2

1 General


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Fig. 2c

1 General

8906164D_3


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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

8997510E


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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.

8997510E


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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




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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R III 1200 - E, dimension drawing8978677E


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R I 1201 - C/D, dimension drawing8997530E


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R I 1201 - E, dimension drawing8994011E


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R I 2402 - C/D, with forced current division with two parallelwinding branches, dimension drawing

8974905E


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R I 2402 - E, with forced current division with two parallelwinding branches, dimension drawing

8978646E


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Tap selector size E,tap selector and change-over selector terminal contacts

8978683E


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Tap selector size C/D, installation drawing8967056E


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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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With flange for pressure relief valve8951685E


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Versions of the on-load tap-changer head, swiveling range anddrive direction of the gear unit

8967034E


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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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Horizontal drive shaft (limit dimensions)Tap selector size C/D, centric drive

8967087E


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Horizontal drive shaft (limit dimensions)Tap selector size E, centric drive

8978723E


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R I 2002, R I 3003, tap selector size C/DJumpers for parallel connection of tap selector terminal contacts

8967066E


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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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Tap selector size E, tap selector bottom shows lowest partsconnected to voltage

8978695E


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Tap selector size C/D, principal arrangement of potential switch andtie-in resistors

8967078E


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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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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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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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Maschinenfabrik Reinhausen GmbH Phone +49 941 40 90-0Falkensteinstrasse 8 Fax +49 941 40 90-11193059 Regensburg, Germany E-Mail [email protected]

3D Models From Maschinenfabrik Reinhausen

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