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7 Maintenance

Maschinenfabrik Reinhausen GmbH 2020

4349312/01 EN

VACUTAP

4. Once the gas has been discharged and insulating fluid is flowing out of

the air-vent valve, close the air-vent valve.

5. Close the stop-cock between the oil conservator and on-load tap-changer.

6. Open air-vent valve E1 again and extract approximately 5–10 liters of in-

sulating fluid via the pipe connection S until the area under the on-load
tap-changer head cover is free of insulating fluid.

7. Remove the screws and washers from the on-load tap-changer head

cover.

Figure 25: On-load tap-changer head cover

8. Remove on-load tap-changer head cover.

Figure 26: On-load tap-changer head cover

9. Extract insulating fluid via pipe connection S.

10. Open the stop-cock between oil conservator and on-load tap-changer.

The insulating fluid flows out of the oil conservator into the oil com-
partment.

11. Extract insulating fluid via pipe connection S.

Содержание VACUTAP VV I 145kV

Страница 1: ...On load tap changer VACUTAP VV Operating Instructions 4349312 01 EN ...

Страница 2: ... 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 original operating instruct...

Страница 3: ...onnel qualification 14 3 Product description 15 3 1 On load tap changer 15 3 1 1 Function description 15 3 1 2 Setup models 16 3 1 3 Nameplate and serial number 18 3 1 4 Protective devices 18 3 2 Drive shaft 24 3 2 1 Function description 24 3 2 2 Design versions 25 4 Commissioning 30 4 1 Commissioning transformer at operating site 30 4 1 1 Filling the oil compartment of the on load tap changer wit...

Страница 4: ... changer to adjustment position 49 7 3 2 Removing horizontal drive shaft 49 7 3 3 Emptying the oil compartment and oil conservator 51 7 3 4 Filling the oil compartment and oil conservator with fresh insulating fluid 53 7 3 5 Installing horizontal drive shaft 55 7 3 6 Centering on load tap changer and motor drive unit 56 7 4 Performing DC resistance measurement on transformer 56 8 Technical data 58...

Страница 5: ...nenfabrik Reinhausen GmbH 2020 5 4349312 01 EN VACUTAP VV 9 2 898863 67 9 3 737060 68 9 4 738902 69 9 5 739172 70 9 6 898866 71 9 7 899110 72 9 8 899409 73 9 9 899083 74 9 10 899051 75 9 11 733469 76 9 12 892916 77 Glossary 78 ...

Страница 6: ...onnel 1 1 Manufacturer The product is manufactured by Maschinenfabrik Reinhausen GmbH Falkensteinstraße 8 93059 Regensburg Tel 49 9 41 40 90 0 E mail sales reinhausen com Further information on the product and copies of this technical file are avail able from this address if required 1 2 Completeness This technical file is incomplete without the supporting documents The following documents are con...

Страница 7: ...s refer to a particular part within a section These warn ings apply to smaller units of information than the warnings relating to sec tions Embedded warnings use the following format DANGER Instruction for avoiding a dangerous situation 1 4 1 3 Signal words and pictograms The following signal words are used Signal word Definition DANGER Indicates a hazardous situation which if not avoided will res...

Страница 8: ...Warning of danger of crushing Table 2 Pictograms used in warning notices 1 4 2 Information system Information is designed to simplify and improve understanding of particular procedures In this technical file it is laid out as follows Important information 1 4 3 Instruction system This technical file contains single step and multi step instructions Single step instructions Instructions which consis...

Страница 9: ...ptional Step 1 of 1 ð Result of step optional ð Result of action optional Multi step instructions Instructions which consist of several process steps are structured as follows Aim of action ü Requirements optional 1 Step 1 ð Result of step optional 2 Step 2 ð Result of step optional ð Result of action optional ...

Страница 10: ...rom delivery installation and operation to removal and disposal The following is considered appropriate use Use the product only with the transformer motor drive unit specified in the order The serial numbers of on load tap changer and on load tap changer ac cessories drive drive shaft bevel gear protective relay etc must match if the on load tap changer and on load tap changer accessories are sup...

Страница 11: ...s Higher voltages may occur due to transformer overexcitation following load shedding for example Operations outside of the permitted operating conditions can lead to injury to persons and damage to the product Prevent any such operations outside of the permitted operating conditions by taking suitable measures 2 3 Fundamental safety instructions To prevent accidents disruptions and damage as well...

Страница 12: ...oduct in ar eas where a risk of explosion is present Safety markings Warning signs and safety information plates are safety markings on the product They are an important aspect of the safety concept Observe all safety markings on the product Make sure all safety markings on the product remain intact and legible Replace safety markings that are damaged or missing Ambient conditions To ensure reliab...

Страница 13: ...mbH Contact Maschinenfabrik Reinhausen GmbH 2 4 Personal protective equipment Personal protective equipment must be worn during work to minimize risks to health Always wear the personal protective equipment required for the job at hand Never wear damaged personal protective equipment Observe information about personal protective equipment provided in the work area Protective clothing Close fitting...

Страница 14: ...and guidance from an electrically skilled person in relation to the tasks undertaken and the poten tial dangers in the event of inappropriate handling as well as the protective devices and safety measures The electrically trained person works exclu sively under the guidance and supervision of an electrically skilled person Operator The operator uses and operates the product in line with this techn...

Страница 15: ...ore be compensated for For this purpose on load tap changers are fitted in transformers and connected to the active part of the transformer A motor drive unit which receives a control impulse e g from a voltage reg ulator changes the operating position of the on load tap changer as a result of which the transformer s transmission ratio is adapted to the prevailing op erating requirements Figure 1 ...

Страница 16: ...ents of the on load tap changer You will find a detailed drawing of the on load tap changer in the Drawings Section 9 Page 65 section Figure 2 On load tap changer 1 Upper gear unit 2 On load tap changer head 3 Supporting flange 4 Connection contact 5 Oil compartment 6 Change over selector 7 Pipe bend 8 Rupture disk 3 1 2 1 Pipe connections The on load tap changer head features 4 pipe connections f...

Страница 17: ...ight If the on load tap changer is fitted with an oil suc tion pipe the on load tap changer can be completely emptied via pipe con nection S Pipe connection R Pipe connection R is intended for attachment of the protective relay and con nection of the on load tap changer oil conservator and can be interchanged with pipe connection Q Pipe connection E2 Pipe connection E2 is sealed off with a blank c...

Страница 18: ...tap changer head to the oil conservator is exceeded due to a fault The flowing insulating fluid actuates the flap valve which tips over into position OFF The contact in the dry reed magnetic switch is thereby actuated the circuit breakers are tripped and the trans former is de energized The protective relay is a component of an on load tap changer filled with in sulating fluid and its properties c...

Страница 19: ... VACUTAP VV 3 1 4 1 2 Design versions Front view Figure 5 Protective relay RS 2001 1 Inspection window 2 Pressure equalization element Rear view Figure 6 Protective relay RS 2001 1 Dummy plug 2 Nameplate The protective relay RS 2001 R has an extra inspection window on the rear ...

Страница 20: ...ed head screw for potential tie in 5 OPERATION reset test button 6 Slotted head screw for protective cover 7 OFF test tripping test button 8 Cable gland 9 Protective cover 10 Dummy plug 11 Connection terminal 12 Pressure equalization element 13 Cylinder head screw for protective conductor connection The protective relays RS 2003 and RS 2004 have a 1 2 14NPT adapter in place of the cable gland ...

Страница 21: ...y linked to the sensor on the snap action switch The pressure increase activates the sensor on the snap action switch which flips into the OFF position This triggers the circuit breaker and de energizes the transformer The sensor on the snap action switch has to be reset to the initial position by hand after tripping Low energy interference does not cause the pressure monitoring device to trip sin...

Страница 22: ... gas accumulation under the pressure operated relay Gas accumulation under the pressure operated relay is normal 3 1 4 2 2 Design versions There are two variants of the pressure monitoring device DW 2000 for vertical installation DW 2000 for horizontal installation The housing and the cover cap of the pressure monitoring device consist of lightweight corrosion resistant metal Figure 9 Snap action ...

Страница 23: ...verpressure in the oil compartment of the on load tap changer 3 1 4 4 Pressure relief device MPreC On request MR will supply a pre fitted MPreC pressure relief device in place of the rupture disk This device responds to a defined overpressure in the oil compartment of the on load tap changer The on load tap changer therefore meets the requirements of IEC 60214 1 regarding pressure relief devices 3...

Страница 24: ...e on load tap changer 3 2 Drive shaft 3 2 1 Function description The drive shaft is the mechanical connection between the drive and the on load tap changer de energized tap changer The bevel gear changes the direction from vertical to horizontal Accordingly the vertical drive shaft has to be mounted between drive and bevel gear and the horizontal drive shaft between bevel gear and on load tap chan...

Страница 25: ...s of a square tube and is coupled at each end by two coupling brackets and one coupling bolt to the driving or driven shaft end of the device to be connected Figure 11 Components of the drive shaft 1 Bevel gear 2 Hose clip 3 Telescopic protective tube 4 Coupling bracket 5 Square tube 6 Coupling bolt 7 Adapter ring 8 Protective cover ...

Страница 26: ...shaft without cardan joint and without insulator standard version Configuration V 1 min Intermediate bearing Middle of hand crank middle of bevel gear maximum permissible axial offset 2 536 mm When the maximum value of 2472 mm is exceeded it is necessary to use an in termediate bearing V 1 2472 mm without in termediate bearing V 1 2472 mm with inter mediate bearing ...

Страница 27: ...e shaft without cardan joint and with insulator special model Configuration V 1 min Intermediate bearing Middle of hand crank middle of bevel gear maximum permissible axial offset 2 706 mm When the maximum value of 2472 mm is exceeded it is necessary to use an in termediate bearing V 1 2472 mm without in termediate bearing V 1 2472 mm with inter mediate bearing ...

Страница 28: ...P VV 3 2 2 3 Drive shaft with cardan joint and without insulator Figure 14 Drive shaft with cardan joint and without insulator special model Configuration V 1 min mm Intermediate bearing for mm Middle of hand crank middle of bevel gear maximum permissible axial offset 20 798 V 1 2564 ...

Страница 29: ...UTAP VV 3 2 2 4 Drive shaft with cardan joint and with insulator Figure 15 Drive shaft with cardan joint and with insulator special model Configuration V 1 min mm Intermediate bearing for mm Middle of hand crank middle of bevel gear maximum permissible axial offset 20 978 V 1 2772 ...

Страница 30: ...ulating fluid and flying parts can lead to death and serious injuries Prop erty damage is highly probable Ensure that the on load tap changer is not overloaded Ensure use of the on load tap changer in accordance with section Ap propriate use Prevent operations outside of the permitted operating conditions by tak ing suitable measures 4 1 Commissioning transformer at operating site Before energizin...

Страница 31: ...ection E2 and one of the pipe connections R S or Q to ensure equal pressure in the oil compart ment and transformer during evacuation Figure 16 Connecting lead 3 Fill on load tap changer with new insulating fluid using one of the two free pipe connections of the on load tap changer head Figure 17 Pipe connections S and R 4 Take an insulating fluid sample from the oil compartment 5 Record the tempe...

Страница 32: ...d tap changer head 1 Open all forward and return valves in the pipe system 2 Remove screw cap on air vent valve E1 on the on load tap changer head cover Figure 18 Air vent valve E1 3 Use screwdriver to lift valve tappet on air vent valve E1 and bleed on load tap changer head Figure 19 Valve tappet 4 Seal air vent valve E1 with screw cap tightening torque 10 Nm ...

Страница 33: ...vent screw with screw cap 4 1 3 Checking motor drive unit NOTICE Damage to the on load tap changer de energized tap changer Damage to the on load tap changer de energized tap changer due to actu ation of the on load tap changer de energized tap changer without insulat ing fluid Ensure that the selector de energized tap changer is fully immersed in insulating fluid and that the oil compartment of t...

Страница 34: ...t and on load tap changer are correctly coupled and that the motor drive unit functions correctly Tests on the motor drive unit 1 Perform function checks as described in relevant MR operating instruc tions for motor drive unit 2 NOTICE An incorrectly coupled motor drive unit will lead to damage to the on load tap changer Undertake trial tap change operations across the entire range of settings Ens...

Страница 35: ...r and affix using the slotted head screw 16 Attach the terminal box cover and secure with screws 4 1 4 2 Checking protective relay RS 2004 ü Check that the protective relay is functioning correctly before commission ing the transformer 1 Ensure that the flap valve is in the OPERATION position 2 Leave the transformer s danger zone 3 Close the transformer s circuit breaker with isolating switches op...

Страница 36: ...ct for falling below the minimum insulating fluid fill level in the on load tap changer s oil conservator is looped into the tripping cir cuit of the circuit breaker ü The protective relay and additional protective devices are looped into the circuit breaker s tripping circuit ü The motor drive unit and all protective devices are functioning correctly and are ready for use ü The oil compartment of...

Страница 37: ...rtment of Maschi nenfabrik Reinhausen GmbH immediately To operate the motor drive unit manually only use the hand crank mounted in the motor drive unit For information about fault rectification refer to the Fault elimination chap ter Normal operation During normal operation there is no need to operate the unit with the hand crank The hand crank is mainly required during installation and for tests ...

Страница 38: ...uit will not be interrupted 4 NOTICE Damage to the on load tap changer due to tap change opera tion not being completed correctly Turn the hand crank in one direction until the pointer has fully circled the tap change indicator once and is again in the mid position of the area marked in gray on the tap change in dicator ð The tap change operation is complete 5 Remove the hand crank and return it t...

Страница 39: ...rotective relay or other protective devices have been tripped Do not use the equipment again until you are sure there is no damage to the on load tap changer or transformer NOTICE Damage to motor drive unit Damage to the motor drive unit due to condensate in protective housing of motor drive unit Always keep protective housing of the motor drive unit tightly closed In the event of operation interr...

Страница 40: ... tap changer head cover On load tap changer and transformer must be checked Depending on the cause of tripping take measurements carry out checks on the transformer Contact MR to check the on load tap changer Tripping of motor protective switch in motor drive unit See chapter Fault elimination in the operating instruc tions of the TAPMOTION ED motor drive unit Tripping of signaling contact that in...

Страница 41: ...otective relay can deflagrate or explode and result in severe injury or death Wait 15 minutes after switching off the transformer before beginning fur ther work on the protective relay so that the gases can dissipate Ensure that there are no ignition sources such as naked flames hot sur faces or sparks e g caused by the build up of static charge in the imme diate surroundings and that none occur D...

Страница 42: ...not tripped due to an error in the tripping circuit also proceed as described below for RS 2004 If the flap valve is in the OFF position proceed as follows 1 Ensure that the transformer is not started up under any circumstances 2 Contact and inform Maschinenfabrik Reinhausen of the following ð Serial number of protective relay and on load tap changer ð What was the load of the transformer at the i...

Страница 43: ...ating position of on load tap changer 3 As a precaution block the motor drive unit by tripping the motor protective switch to prevent the on load tap changer from being actuated by remote control 4 Check the on load tap changer head cover If insulating fluid is leaking close the oil conservator stop valve immediately 5 Check whether the pressure monitoring device sensor is in the OFF posi tion or ...

Страница 44: ...n the network being carried out at the in stant of tripping ð Were overvoltages registered at the instant of tripping ð How high is the static pressure on the pressure relief device height dif ference between the oil level in the on load tap changer oil conservator and the pressure relief device 3 Take further action in agreement with Maschinenfabrik Reinhausen 6 2 3 Re commissioning the transform...

Страница 45: ...losive gases in the oil compartment of the on load tap changer trans former pipe system oil conservator and at the dehydrating breather open ing can deflagrate or explode and result in severe injury or death Ensure that there are no ignition sources such as naked flames hot sur faces or sparks e g caused by the build up of static charge in the trans former s immediate surroundings and that none oc...

Страница 46: ...her than the neutral point of windings Class 2 in accordance with 60214 1 1 Take a sample of insulating fluid from the oil compartment 2 Record the temperature of the sample insulating fluid im mediately after the sample is taken 3 Determine dielectric strength and water content at an insu lating fluid temperature of 20 C 5 C The dielectric strength and water content must comply with the limit val...

Страница 47: ...ntenance of the on load tap changer Contact the Maschinenfabrik Rein hausen GmbH Technical Service Sec tion 6 Page 39 for this After 600 000 switching operations mo tor drive unit counter reading Replacement of switching elements of di verter switch insert Contact the Maschi nenfabrik Reinhausen GmbH Technical Service Section 6 Page 39 for this after 1 2 million switching operations motor drive un...

Страница 48: ...ous injury as a result of a progressive short circuit for example Contact the Maschinenfabrik Reinhausen GmbH Technical Service de partment as soon as the MR monitoring system issues a maintenance warning In the event of failure or shutdown of the MR monitoring system observe the maintenance intervals as specified in the maintenance plan without the MR monitoring system If you are operating the on...

Страница 49: ...cified in the technical data 7 3 1 Moving on load tap changer to adjustment position 1 Make a note of the current operating position of the on load tap changer 2 Move the on load tap changer to the adjustment position The adjustment position is indicated in the on load tap changer connection diagram in cluded in delivery 7 3 2 Removing horizontal drive shaft NOTICE Damage to the on load tap change...

Страница 50: ... Maintenance Maschinenfabrik Reinhausen GmbH 2020 50 4349312 01 EN VACUTAP VV 1 Loosen hose clips on protective cover of horizontal drive shaft remove protective cover Figure 22 Removing protective cover ...

Страница 51: ...ot to lose the coupling bolts Figure 24 Removing drive shaft 7 3 3 Emptying the oil compartment and oil conservator 1 Ensure that the stop cock between oil conservator and on load tap changer is open 2 Remove the screw cap on air vent valve E1 on the on load tap changer head cover 3 Use a screwdriver to lift the valve tappet on air vent valve E1 ð The gas under the on load tap changer head cover w...

Страница 52: ...uid via the pipe connection S until the area under the on load tap changer head cover is free of insulating fluid 7 Remove the screws and washers from the on load tap changer head cover Figure 25 On load tap changer head cover 8 Remove on load tap changer head cover Figure 26 On load tap changer head cover 9 Extract insulating fluid via pipe connection S 10 Open the stop cock between oil conservat...

Страница 53: ...hat the new insulating fluid has the same chemical mechanical thermal and electrical properties Otherwise contact Maschinenfabrik Reinhausen GmbH s Technical Service department 1 Fill the oil compartment of the on load tap changer with fresh insulating fluid via the pipe connection S up to the level of the upper edge of the coupling shaft 2 Insert the new o ring untwisted in the on load tap change...

Страница 54: ...p up with insulating fluid if necessary 12 Re vent the on load tap changer head via air vent valve E1 and the pipe connection S via the vent screw 13 Flush the oil suction pipe and take an insulating fluid sample from the oil compartment via pipe connection S 14 Record the temperature of the sample immediately after the sample is taken 15 Determine dielectric strength and water content at a sample...

Страница 55: ...2 01 EN VACUTAP VV 7 3 5 Installing horizontal drive shaft 1 Secure horizontal drive shaft between upper gear unit and bevel gear with coupling brackets and 4 or 6 screws Refer to the drive shaft operating in structions for details Figure 29 Securing drive shaft ...

Страница 56: ...dan shafts You will find a detailed description of how to fit the drive shaft in the MR op erating instructions Drive shaft 7 3 6 Centering on load tap changer and motor drive unit Center on load tap changer and motor drive unit as described in relevant MR operating instructions for motor drive unit 7 4 Performing DC resistance measurement on transformer The measured DC current is normally restric...

Страница 57: ...s interrupted when changing operating position or not Status of oil compart ment Without interruption in measured current With interruption mea sured current 0 A be fore change of operating position Oil compartment empty Maximum 10 A DC Maximum 50 A DC Oil compartment filled with insulating fluid Maximum 50 A DC Maximum 50 A DC Table 7 Maximum permitted measured currents when performing DC resista...

Страница 58: ...ted frequency Hz 50 60 Number of operating positions Without change over selector maximum 12 With change over selector maximum 23 With change over selector maxi mum 23 1 See also step capacity diagram 2 600 A model on request Table 8 Electrical data for VACUTAP VV Mechanical data for VACUTAP VV On load tap changer VV III 40 kV VV III 76 kV VV III 145 kV VV I 76 kV VV III 145 kV Weight without insu...

Страница 59: ... protective relay RS 2001 is listed in the following In accordance with DIN EN 60255 1 operational accuracy base accuracy Housing Outdoor model Degree of protection IP66 Relay actuation Flap valve with aperture Weight approx 3 5 kg Oil flow speed of available types when tripping oil temperature 20 C 0 65 0 15 m s 1 20 0 20 m s 3 00 0 40 m s 4 80 0 60 m s Table 11 General technical data Tripping ci...

Страница 60: ...ric strength between all volt age carrying connections and the grounded parts 2 500 V 50 Hz test duration 1 minute AC dielectric strength between the opened contacts 2 000 V 50 Hz test duration 1 minute Table 14 Dielectric strength Electrical data for normally open NO dry reed magnetic switch Electrical data DC switching capacity 1 2 W 250 W AC switching capacity 50 Hz 1 2 VA 400 VA Switching volt...

Страница 61: ...e 130 C Air pressure Corresponds to 0 m 4 000 m above sea level Table 18 Ambient conditions 8 3 Special models of protective relay 8 3 1 Protective relay with CO change over contact as tripping switch The protective relay can be supplied with a dry reed magnetic switch CO change over variant 3 see dimensional drawing supplied Electrical data for CO change over dry reed magnetic switch Electrical d...

Страница 62: ...0 V 50 Hz test duration 1 minute Table 21 Dielectric strength 8 3 2 Protective relay with several dry reed magnetic switches The protective relay can be supplied with several independent dry reed mag netic switches These can be designed as normally open NO or normally closed NC contacts and are electrically isolated see dimensional drawing supplied Electrical data for normally open NO and normally...

Страница 63: ...switching pressure 3 8 0 2 bar trip pressure Lower switching pressure 2 8 0 2 bar Snap action switch Connection terminals Lead connection 1 or 2 leads per terminal Ø 0 75 2 5 mm Contacts 1xNO normally open 1xNC normally closed Utilization category IEC 60947 5 1 AC 15 230 V 1 A DC 13 60 V 0 5 A Maximum continuous current 10 A Rated insulation voltage AC 2 5 kV min Table 22 General technical data ...

Страница 64: ...sioning the transformer for the first time 60 kV 2 5 mm 12 ppm During operation 30 kV 2 5 mm 30 ppm After maintenance 50 kV 2 5 mm 15 ppm Table 23 Insulating fluids in accordance with IEC 60296 Limit values for natural esters in ac cordance with IEC 62770 Ud H2O When commissioning the transformer for the first time 60 kV 2 5 mm 100 ppm During operation 30 kV 2 5 mm 200 ppm After maintenance 50 kV ...

Страница 65: ...9 Drawings Maschinenfabrik Reinhausen GmbH 2020 65 4349312 01 EN VACUTAP VV 9 Drawings ...

Страница 66: ...o No Date Name 0E 737774 0E On Load Tap Changer VACUTAP VV Classification SPL 20 01 09 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 re...

Страница 67: ...ger Tap Changer head bottom part Tap Changer head top part can be turned towards the bottom part 31 of the head in steps of 15 The Tap Changer head cover cannot be turned Pipe connection R for protective relay Pipe connection S Pipe connection Q optional E2 Bleeding facility for space under the head outside the oil compartment Upper gear unit with drive shaft 37a dimensions and selection see 737 7...

Страница 68: ...t of the grant of a patent utility model or design DIN A1 SPL 21 01 09 1019535 SPL 19 01 09 1019489 Ch In Chango No Date Name 0E 0E 737060 0E ON LOAD TAP CHANGER VACUTAP V V OLTC HEAD WITH OIL SUCTION PIPE SPL 19 01 09 ALL OTHER DIMENSIONS OF THE OLTC HEAD SEE DRAWING 898 863 POSITION OF THE UPPER PART OF THE OLTC HEAD IN THE MODEL WITH OIL SUCTION PIPE 32 15 DRIVE SIDE M THE UPPER PART OF THE OLT...

Страница 69: ...oad Tap Changer VACUTAP V V Installation drawing SPL 21 01 09 15 45 max 12 M 570 O 630 O 660 O Transformer cover 7 5 1 5 1 5 2 4 x 3 6 0 v Withdrawal height Mounting flange on transformer cover 2310 mm 1910 mm 1070 mm 920 mm V V III 76 kV V V III 40 kV V V III 145 kV V V I 145 kV V V I 76 kV On Load Tap Changer Withdrawal height The withdrawal height corresponds to the clearance between the cover ...

Страница 70: ...he payment of damages All rights reserved in the event of the grant of a patent utility model or design DIN A2 Ch In Change No Date Name dftr chkd 739172 0E On Load Tap Changer VACUTAP V V Oil suction pipe optional SPL 05 02 09 A A A A 1 5 Oil suction pipe M 32 Drive side M The upper part of the OLTC head 32 CANNOT be turned in the model with oil suction pipe see drawing 737 060 Pipe connection S ...

Страница 71: ...Geschmacksmustereintragung vorbehalten 8988668E On Load Tap Changer VACUTAP V V assembly drawing cover mounting Str 22 11 02 4D 028788 03 07 00 DC 5E 037102 05 11 01 EN Albrecht R 6E 042782 21 11 02 DC 7E 043849 18 12 02 DC 8E 1006204 02 02 06 SPL 43 Width of gasket max 46 Transformer cover 49 20 Lifting device optional 712645 only with 145 kV O ring Centering bolts 3x A A A A 660 O Attention Make...

Страница 72: ...ung vorbehalten 8991104E On Load Tap Changer VACUTAP V V assembly drawing bell type mounting Str 22 11 02 1E 035102 05 11 01 EN Albrecht R 2E 042782 21 11 02 DC 3E 043849 18 12 02 DC 4E 1006204 02 02 06 SPL 43 Width of gasket max 46 Transformer cover 49 20 15 5 10 Support on the transformer Lifting device optional 712645 Supporting flange only with 145 kV O ring Centering bolts 3x A A A A 26 660 O...

Страница 73: ...ster oder Geschmacksmustereintragung vorbehalten 8994093E On Load Tap Changer VACUTAP V V DC 22 11 02 DIN A3 NEU 037102 05 11 01 EN 1E 042782 21 11 02 DC 2E 043849 18 12 02 DC 3E 1006204 08 02 06 SPL Positioning of OLTC for bell type mounting Albrecht R Support on transformer Ensure free movement of change over selector lever X only with 145 kV Swivelling range Support on transformer Swivelling ra...

Страница 74: ... 26 11 02 DC 1 STC R TTS TTV MSV MTS 2 3 4 5 6 7 8 9 STC R TTS TTV MSV MTS STC R TTS TTV MSV MTS STC R TTS TTV MSV MTS STC R TTS TTV MSV MTS STC R TTS TTV MSV MTS STC R TTS TTV MSV MTS STC R TTS TTV MSV MTS STC R TTS TTV MSV MTS C I ca 150 ms 50 ca ms MTS MSV TTS TTV 0 1 0 1 0 1 0 1 n 1 n C MTS MSV TTS TTV STC R I Tap selector contacts main path Main switching contacts vacuum interrupter main path...

Страница 75: ...1 01 09 Take off terminal optional 5 max If necessary compensate with washers If necessary compensate with washers max 5 Take off terminal optional not possible with potential connection 1 2 3 Take off terminal standard These take off terminals with or without take off leads are to be fitted with screening caps included in MR s delivery by the transformer manufacturer 21 Take off terminal 22 Fine ...

Страница 76: ...ility model or design DIN A1 SPL 27 08 07 1012523 Ch In Chango No Date Name 0E 7334690E On Load Tap Changer VACUTAP V V SPL 27 08 07 Design with tap change supervisory control Note Take care when when installing the electrical lines so that they do not obstruct the OLTC cover when it is opened for maintenance Terminal block M20 x 1 5 Clamping area ø7 ø13 mm Position indicator with triangle for adj...

Страница 77: ......

Страница 78: ...ximum electrical field strength without a breakdown arc IEC The International Electrotechnical Commission IEC for short is involved in the preparation and publication of international standards for electri cal electronic and related technologies IP Ingress protection MR Maschinenfabrik Reinhausen GmbH NC Normally Closed contact NO Normally Open contact NPT National Pipe Thread US thread standard ...

Страница 79: ......

Страница 80: ...enfabrik Reinhausen GmbH Falkensteinstrasse 8 93059 Regensburg 49 0 941 4090 0 sales reinhausen com www reinhausen com 4349312 01 EN VACUTAP VV 02 20 Maschinenfabrik Reinhausen GmbH 2020 THE POWER BEHIND POWER ...

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