VACUTAP® VV® On-load tap-changer Technical Data PDF

THE POWER BEHIND POWER. Technical data VACUTAP® VV®. On-load tap-changer 1800203/06 EN © All rights reserved by Maschinenfabrik Reinhausen Dissemination and reproduction of this document and use and disclosure of its content are strictly prohibited unless expressly permitted. Infringements will r...

THE POWER BEHIND POWER. Technical data VACUTAP® VV®. On-load tap-changer 1800203/06 EN © All rights reserved by Maschinenfabrik Reinhausen Dissemination and reproduction of this document and use and disclosure of its content are strictly prohibited unless expressly permitted. Infringements will result in liability for compensation. All rights reserved in the event of the granting of patents, utility models or designs. The product may have been altered since this document was published. We reserve the right to change the technical data, design and scope of supply. Generally the information provided and agreements made when processing the individual quotations and orders are binding. The product is delivered in accordance with MR's technical specifications, which are based on information provided by the customer. The customer has a duty of care to ensure the compatibility of the specified product with the customer's planned scope of application. The original operating instructions were written in German. Table of contents 1 General......................................................... 4 1.1 Summary of the technical data.................................... 4 1.2 Required minimum height of the oil conservator................................................................ 5 1.3 On-load tap-changer models........................................ 7 1.4 Overview of the basic connection diagrams............. 9 2 Technical data............................................. 12 2.1 Rated through-current (Iu), rated step voltage (Ui) and step capacity (PSt)..................................... 12 2.2 Life of the vacuum interrupters................................. 13 2.3 Rated withstand voltage of inner insulation............. 13 3 Drawings..................................................... 17 3.1 Overview drawings...................................................... 17 3.1.1 737774................................................................ 18 3.1.2 738806............................................................... 19 3.1.3 899407............................................................. 20 3.2 Dimensional drawings................................................ 21 3.2.1 899120.............................................................. 22 3.2.2 899119.............................................................. 23 3.2.3 899163.............................................................. 24 3.2.4 899162............................................................. 25 3.2.5 899121.............................................................. 26 3.2.6 727986.............................................................. 27 3.2.7 899677.............................................................. 28 3.2.8 738010.............................................................. 29 3.2.9 899541.............................................................. 30 3.3 Installation drawings................................................... 31 3.3.1 738902.............................................................. 32 3.3.2 899110.............................................................. 33 3.3.3 899409............................................................. 34 3.3.4 898866............................................................. 35 3.4 On-load tap-changer head........................................ 36 3.4.1 739172.............................................................. 37 3.4.2 898863............................................................. 38 3.4.3 737060............................................................. 39 3.4.4 737777.............................................................. 40 3.4.5 737778.............................................................. 41 3.4.6 737779.............................................................. 42 3.4.7 737780............................................................. 43 3.4.8 733452............................................................. 44 3.4.9 899496............................................................. 45 3.4.10 737782............................................................ 46 3.4.11 899210............................................................ 47 3.4.12 899211............................................................ 48 3.4.13 899169............................................................ 49 3.5 Connection contacts.................................................. 50 3.5.1 737775................................................................ 51 3.5.2 737776.............................................................. 52 3.5.3 899051.............................................................. 53 3.6 Connection diagrams (examples)............................. 54 3.6.1 ZS020533......................................................... 55 3.6.2 ZS020534......................................................... 56 3.6.3 ZS020535......................................................... 57 1800203/06 EN Table of contents 3 1 General 1.1 Summary of the technical data VV III VV III VV III VV III VV III VV III VV I 250 Y 250 D 400 Y 400 D 600 Y 600 D 4013) Number of phases and applica- 3, neutral 3, at any 3, neutral 3, at any 3, neutral 3, at any 1, at any point in tion point point in the point point in the point point in the the winding winding winding winding Max. rated through-current Ium 250 400 600 400 [A] Rated short-time current [kA] 6 6 6 6 Rated duration of short-circuits 3 3 3 3 [s] Rated peak withstand current 15 15 15 15 [kA] Rated step voltage Ui [V] 2 000 2 000…1 7001) 2 000…1 0001) 2 000…1 7001) Switching capacity [kVA] see Pst/IU diagram [►Section 2.1, Page 12] Rated frequency [Hz] 50…60 Operating positions without change-over selector: max. 12 with change-over with change-over selector: max. 23 selector: max. 23 Highest voltage for equipment 40/76/123 40/76/1454) 40/76/123 40/76/1454) 40/76/123 40/76/1454) 76/1454) 2) Um[kV] Rated lightning impulse with- 200/350 200/350/ 200/350 200/350/ 200/350 200/350/ 350/650 stand voltage [kV/1.2/50] 650 650 650 Rated short-duration power 70/140 70/140/275 70/140 70/140/275 70/140 70/140/275 140/275 frequency withstand volt- age[kV/50 Hz/1 min] Rated withstand voltages of see Rated withstand voltage of inner insulation [►Section 2.3, Page 13] the internal insulation Oil compartment Pressure-tight up to 0.3 bar permanent differential pressure (test pressure 0.6 bar), head and cover of the on-load tap-changer are vacuum-proof Temperature range The VACUTAP® VV on-load tap-changer can be operated in the rated load range at oil temperatures of between -25 °C and+105 °C Tap-change supervisory control optional, see drawing 733452 Pressure relief device MPREC optional, see drawing 737780 1) see also Ui/Iu diagram 2) In accordance with VDE0111 Part 1: Effective value of the conductor-conductor voltage for which equipment is dimensioned in terms of its insulation 3) 600 A model on request 4) A max. operating voltage of 132 kV + 15 % = 151.8 kV is admissible if the test voltages for the 145 kV series are not exceeded Table 1: Summary of the technical data 4 General 1800203/06 EN  VV III 40 kV VV III 76/123 kV VV III 145 kV VV I 76 kV VV I 145 kV Weight without oil [kg] approx. 240 approx. 255 approx. 280 approx. 200 approx. 215 Displacement volume [dm3] 295 328 405 148 178 Oil filling quantity Vs and minimum Vs ΔV Vs ΔV Vs ΔV Vs ΔV Vs ΔV oil conservator volume ΔV1) [dm3] 240 30 265 33 325 39 125 16 145 19 Oil suction pipe optional optional2) optional optional2) 1) Applies for oil temperature ϑ = -30 °C…+100 °C 2) Applies for 145 kV series: Oil suction pipe not to be used together with oil filter unit Table 2: Summary of the technical data 1.2 Required minimum height of the oil conservator The height of the oil conservator is calculated from the upper edge of the on-load tap-changer cover to the oil level in the oil conservator (see following image). Oil-filled VACUTAP® with open oil conservator Height H of the oil conservator (m) Installation height (m) above sea level Figure 1: Required minimum height of the oil conservator 1800203/06 EN General 5  H Figure 2: Transformer with on-load tap-changer, schematic presentation 6 General 1800203/06 EN 1.3 On-load tap-changer models 1800203/06 EN General 7 Figure 3: VACUTAP® VV 8 General 1800203/06 EN 1.4 Overview of the basic connection diagrams Overview of basic connections with designation of selector connection contacts in accordance with MR standard. This contact designation corresponds to the specifications in the on-load tap-changer dimensional drawings. Figure 4: Connection without change-over selector 1800203/06 EN General 9 Figure 5: Reversing change-over selector connection 10 General 1800203/06 EN Figure 6: Coarse tap selector connection 1800203/06 EN General 11 2 Technical data 2.1 Rated through-current (Iu), rated step voltage (Ui) and step ca- pacity (PSt) VV III 250 VV III 400/ VV I 401 VV III 600 Pitch of tap selector contact cir- 10/12 10/12 10/12 cle Iu [A] 250 400 600 Ui [V] 2 000 2 000…1 7001) 2 000…1 0001) PSt [kVA] See Pst/Iu diagram 1) see also Ui/Iu diagram Table 3: Rated through-currents (Iu), related rated step voltages (Ui) and step capacities (PSt), at highest and lowest rated step voltage of the step capacity curve (see following figure) Step voltage For industrial application, please contact MR Ui (V) Network application Iu (A) Industrial application 12 Technical data 1800203/06 EN  Pst (kVA) Switching capacity Network application Iu (A) Industrial application Figure 7: Step capacity (Iu, Ui) 2.2 Life of the vacuum interrupters The vacuum interrupters should be replaced as a precautionary measure after 600,000 tap-change operations. 2.3 Rated withstand voltage of inner insulation Insulation distances Voltage waveform VV III xxx D VV III xxx Y VV I Duration a Um = 40 kV kV 1.2/50 µs 200 200 Um = 76 kV 200 Um = 76 kV kV 50 Hz 1 min 50 50 50 Um = 123 kV kV 1.2/50 µs 200 kV 50 Hz 1 min 50 Um = 145 kV kV 1.2/50 µs 250 Um = 145 kV 200 kV 50 Hz 1 min 65 65 a1 Um = 40 kV kV 1.2/50 µs 100 100 Um = 76 kV 100 Um = 76 kV kV 50 Hz 1 min 20 20 20 Um = 123 kV kV 1.2/50 µs 100 kV 50 Hz 1 min 20 Um = 145 kV kV 1.2/50 µs 130 Um = 145 kV 130 kV 50 Hz 1 min 30 30 1800203/06 EN Technical data 13  Insulation distances Voltage waveform VV III xxx D VV III xxx Y VV I Duration b b1 b2 b3 Um = 40 kV kV 1.2/50 µs 200 250 300 200 kV 50 Hz 1 min 70 80 90 85 Um = 76 kV kV 1.2/50 µs 350 490 520 200 kV 50 Hz 1 min 140 165 180 85 Um = 123 kV kV 1.2/50 µs 200 kV 50 Hz 1 min 85 Um = 145 kV kV 1.2/50 µs 650 730 800 kV 50 Hz 1 min 275 285 300 c1 Um = 40 kV kV 1.2/50 µs 400 400 Um = 76 kV 400 Um = 76 kV kV 50 Hz 1 min 100 100 100 Um = 123 kV kV 1.2/50 µs 400 kV 50 Hz 1 min 100 Um = 145 kV kV 1.2/50 µs 500 Um = 145 kV 500 kV 50 Hz 1 min 130 130 c2 c21 c22 Um = 40 kV kV 1.2/50 µs 250 300 350 kV 50 Hz 1 min 80 90 140 Um = 76 kV kV 1.2/50 µs 490 520 350 kV 50 Hz 1 min 165 180 140 Um = 123 kV kV 1.2/50 µs 350 kV 50 Hz 1 min 140 Um = 145 kV kV 1.2/50 µs 730 800 kV 50 Hz 1 min 285 300 f f1 f2 f1 f2 Um = 40 kV kV 1.2/50 µs 200 250 200 kV 50 Hz 1 min 70 80 70 Um = 76 kV kV 1.2/50 µs 350 490 350 Um = 76 kV 350 490 kV 50 Hz 1 min 140 165 140 140 165 Um = 123 kV kV 1.2/50 µs 550 kV 50 Hz 1 min 230 Um = 145 kV kV 1.2/50 µs 650 730 Um = 145 kV 650 730 kV 50 Hz 1 min 275 285 275 285 Table 4: Rated withstand voltage (in kV) of the insulation distances (rated lightning impulse withstand voltage, rated short-duration power frequency with- stand voltage) on the on-load tap-changer 14 Technical data 1800203/06 EN  Without change-over selector With reversing change-over selector in position + With reversing change-over selector in position - With coarse change-over selector in position + With coarse change-over selector in position - Figure 8: Specific voltage stress of the tap winding a1 = between tap selector contacts of the winding of one tap position (connected or not connected) a = between beginning and end of a tap winding and, for model with a coarse winding, also between the beginning and end of a coarse winding Note for coarse tap selector connection in the (-) change-over selector position: When stressed with impulse voltage, the permissible withstand voltage "a" between the end of a coarse winding con- nected with the K tap selector contact and the tap selector contact at the end of the tap winding of the same phase must be adhered to. b = between the fine tap selector contacts of different phases and between change-over selector contacts of different phases, which are connected with the start/end of a tap winding or with a tap selector contact. The permissible voltages between the contacts for tap-changers for delta connections depend on the positions of the change-over selector and tap selector. The different permissible withstand voltages b1, b2 or b3 must therefore be noted for an insulation distance: b1 = between selected contacts for different phases b2 = from the selected contact of one phase to non-selected contacts of other phases b3 = between non-selected contacts for different phases 1800203/06 EN Technical data 15 f = between tap selector contacts and (+) change-over selector contacts to ground Different values apply for the delta connection version: f1 = between take-off lead and ground and in (+) position of change-over selector between (+) change-over selector con- tacts and ground f2 = between non-selected tap selector contacts and in (-) position of change-over selector between (+) contacts and ground Additionally for coarse tap selector connection in (+) position of the change-over selector: c1 = from one (-) change-over selector contact to take-off lead of the same phase c2 = between (-) change-over selector contacts of different phases and from one (-) change-over selector contact to one (+) change-over selector contact of another phase For tap-changers, different permissible values should be noted for the delta connection: c21 = between a (-) change-over selector contact and a (+) change-over selector contact of another phase c22 = between (-) change-over selector contacts of different phases 16 Technical data 1800203/06 EN 3 Drawings 3.1 Overview drawings 1800203/06 EN Drawings 17  38 prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without explicid authorization is 30 31 32 11 22 21 24 12 13 14 23 23a 11 = Change-over selector pipe 12 = Change-over selector terminal "+" 13 = Change-over selector terminal "0" 14 = Change-over selector terminal "-" 21 = Take-off terminal 22 = Fine tap selector terminal 23 = Oil compartment bottom with kerosene drain plug 23a 24 = Tap changer oil compartment 30 = Tap changer head complete with 31 und 32 , refer to 898 863 : and 737 060 : 31 = Tap changer head - bottom part 32 = Tap changer head - top part 38 = Tap changer head cover Ch. In Chango No. Date Name 0E 1016449 20.01.09 SPL On-Load Tap-Changer VACUTAP ® VV dftr. SPL 20.01.09 Classification 737774 0E chkd DIN A1 prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without explicid authorization is A A Y Customer connection for neutral point only admissible here ! Y Exception : 1:1 Only if additional Take-off terminals are available. Customer connection point for neutral point Position of neutral point connection lead A-A , 10 pitch A-A , 12 pitch 92 29° 94 18° 28° 39° ! The position of the neutral point connection lead must not be changed ! Ch. In Chango No. Date Name 0E 1020699 02.04.09 SPL 0E 1016449 21.01.09 SPL On-Load Tap-Changer VACUTAP ® V V dftr. SPL 21.01.09 Neutral point connection lead 738806 0E chkd DIN A1  4 tie-in resistors per phase Zuwiderhandlungen verpflichten zu Schadenersatz. Alle Rechte für den Fall der Patent-, Gebrauchsmuster- oder Geschmacksmustereintragung vorbehalten. Take-off terminal (optional), not possible with tie-in Weitergabe sowie Vervielfältigung dieses Dokuments, Verwertung und Mitteilung seines Inhaltes sind verboten, soweit nicht ausdrücklich gestattet. resistors, laterally mounted R1 R2 R3 81 R3 2 3 R4 X 1 Contact 5 ( 6 ) Take-off terminal when there are (optional) Take-off terminal 10 ( 12 ) contacts (standard) 3 tie-in resistors per phase Take-off terminal (optional), not possible with tie-in O 42 resistors, laterally mounted R1 X R3 81 R2 2 3 R3 114 1 Contact 5 ( 6 ) Take-off terminal when there are 90 (optional) 10 ( 12 ) contacts Take-off terminal (standard) Tag Name 21.12.04 DC 11.08.03 DC 21.11.02 DC 11.07.01 DC On-Load Tap-Changer V V - 76 kV - in 12 pitch design Ae. I Aend.-Nr. 1E 042782 2E 046759 3E 052508 NEU 035017 On-Load Tap-Changer VACUTAP V V R SED 1040597-000-03 gez. DC 21.12.04 gepr. Albrecht Tie-in resistors attached laterally 8994073E DIN A3 3.2 Dimensional drawings 1800203/06 EN Drawings 21 prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without explicid authorization is 30 n O 478 436 "U" 129,5 m 21 h "V" 129,5 22 m 47 "W" 129,5 Provide sufficient clearance on 345 transformer tank Potential W (n-1) 21 = Take-off terminal Um [kV] 40 76 Dimensions refer to 737 776 : m 432 497 22 = Fine tap selector terminal Dimensions [mm] n 437 489 30 = Tap changer head , dimensions refer to 898 863 : and 737 060 : h 1628 1810 47 V V - Y only : Neutral point connection lead , dimensions refer to 738 806 : ! The connecting diagram is binding for the designation of the terminals and phases Ch. In Chango No. Date Name 5E 1020699 02.04.09 SPL 5E 1016449 20.01.09 SPL On-Load Tap-Changer VACUTAP ® V V dftr. SPL 20.01.09 V V III 250/400/600-Y/D-40...76-10/12-0 899120 5E chkd DIN A1 prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without explicid authorization is 30 49 232 28 O 478 i n O 210 "U" 100 100 "U" 129,5 m m not with "Y" O 100 370 12 21 h "V" 100 100 "V" 129,5 13 14 22 m m not with "Y" 47 "W" 100 100 "W" 129,5 Provide sufficient clearance on transformer tank Potential W (n-1) 12 = Change-over selector terminal "+" 13 = Change-over selector terminal "0" 14 = Change-over selector terminal "-" Dimensions refer to 737 775 : Um [kV] 40 76 21 = Take-off terminal i 404 456 Dimensions [mm] m 432 497 22 = Fine tap selector terminal n 437 489 30 = Tap changer head , dimensions refer to 898 863 : and 737 060 : h 1628 1810 47 V V - Y only : Neutral point connection lead , dimensions refer to 738 806 : ! The connecting diagram is binding for the designation of the terminals and phases Ch. In Chango No. Date Name 6E 1020699 02.04.09 SPL 6E 1016449 20.01.09 SPL On-Load Tap-Changer VACUTAP ® V V dftr. SPL 20.01.09 V V III 250/400/600-Y/D-40...76-10/12-W/G 899119 6E chkd DIN A1 prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. 30 The reproduction, distribution and utilization of this document as well as the communication of its contents to others without explicid authorization is 202 O 478 n O 56 O 620 436 "U" 129,5 m 21 h 129,5 "V" 22 m 129,5 "W" Provide sufficient clearance on 345 transformer tank Potential W (n-1) 21 = Take-off terminal Um [kV] 145 Dimensions refer to 737 776 : Dimensions [mm] m 623 22 = Fine tap selector terminal n 591 30 = Tap changer head , dimensions refer to 898 863 : and 737 060 : h 2224 ! The connecting diagram is binding for the designation of the terminals and phases Ch. In Chango No. Date Name 5E 1016449 20.01.09 SPL On-Load Tap-Changer VACUTAP ® V V dftr. SPL 20.01.09 V V III 250/400/600-D-145-10/12-0 899163 5E chkd DIN A1 prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. 30 The reproduction, distribution and utilization of this document as well as the communication of its contents to others without explicid authorization is 49 202 232 28 i O 478 n O 56 O 620 O 210 "U" 100 100 "U" 129,5 m 370 m O 100 12 21 h "V" 100 100 129,5 "V" 13 14 22 m m "W" 100 100 129,5 "W" Provide sufficient clearance on transformer tank 12 = Change-over selector terminal "+" Potential W (n-1) 13 = Change-over selector terminal "0" 14 = Change-over selector terminal "-" Dimensions refer to 737 775 : Um [kV] 145 21 = Take-off terminal Dimensions [mm] i 558 m 623 22 = Fine tap selector terminal n 591 h 2224 30 = Tap changer head , dimensions refer to 898 863 : and 737 060 : ! The connecting diagram is binding for the designation of the terminals and phases Ch. In Chango No. Date Name 5E 1016449 20.01.09 SPL On-Load Tap-Changer VACUTAP ® V V dftr. SPL 20.01.09 V V III 250/400/600-D-145-10/12-W/G 899162 5E chkd DIN A1 prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without explicid authorization is 30 49 232 28 455 O 478 489 O 210 12 21 816 100 100 129,5 13 O 100 22 14 Provide sufficient clearance on 370 transformer tank Potential (n-1) 12 = Change-over selector terminal "+" 13 = Change-over selector terminal "0" 14 = Change-over selector terminal "-" Dimensions refer to 737 775 : 21 = Take-off terminal 22 = Fine tap selector terminal 30 = Tap changer head , dimensions refer to 898 863 : and 737 060 : ! The connecting diagram is binding for the designation of the terminals and phases Ch. In Chango No. Date Name 5E 1016449 20.01.09 SPL On-Load Tap-Changer VACUTAP ® V V dftr. SPL 20.01.09 V V I 401 - 76 - 10/12 - W/G 899121 5E chkd DIN A1 prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. The reproduction, distribution and utilization of this document as well as the communication of its contents to others without explicid authorization is 30 49 202 232 28 558 591 O 210 O 56 O 620 O 478 12 21 978 100 100 129,5 13 14 O 100 22 Provide sufficient clearance on 370 transformer tank Potential (n-1) 12 = Change-over selector terminal "+" 13 = Change-over selector terminal "0" 14 = Change-over selector terminal "-" Dimensions refer to 737 775 : 21 = Take-off terminal 22 = Fine tap selector terminal 30 = Tap changer head , dimensions refer to 898 863 : and 737 060 : ! The connecting diagram is binding for the designation of the terminals and phases Ch. In Chango No. Date Name 2E 1016449 20.01.09 SPL On-Load Tap-Changer VACUTAP ® V V dftr. SPL 20.01.09 V V I 401-145-10/12-W/G 727986 2E chkd DIN A1  W 10 pitch contact arrangement THE REPRODUCTION, DISTRIBUTION AND UTILIZATION OF THIS DOCUMENT AS WELL AS THE COMMUNICATION OF ITS CONTENTS TO OTHERS WITHOUT EXPRESS AUTHORIZATION IS PROHIBITED. OFFENDERS WILL BE HELD LIABLE FOR THE PAYMENT OF DAMAGES. ALL RIGHTS RESERVED IN THE EVENT OF THE GRANT OF A PATENT, UTILITY MODEL OR DESIGN. X Plan view Change-over 2 185 10x 49 164 141 32 3 1 36° R 99