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3 Product description

Maschinenfabrik Reinhausen GmbH 2020

18

5788897/03 EN

VACUTAP

®

VVS

®

3.1.3 Nameplate and serial number

The nameplate with serial number is on the on-load tap-changer head cover.

Figure 4: Nameplate

3.1.4 Protective devices

The on-load tap-changer is equipped with the following protective devices.

3.1.4.1 Protective relay

3.1.4.1.1 Function description

The protective relay is looped into the circuit breaker tripping circuit, thus
protecting the on-load tap-changer and transformer in the event of a fault
within the on-load tap-changer oil compartment. It is tripped when the speci-
fied speed of flow from the on-load 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 conform to the respective applicable version
of IEC publication 60214-1.

Diverter switch operations at rated switching capacity or at permissible over-
load will not cause the protective relay to trip.

The protective relay responds to flow, not to gas accumulated in the protec-
tive relay. It is not necessary to bleed the protective relay when filling the
transformer with insulating fluid. Gas accumulation in the protective relay is
normal.

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Содержание VACUTAP

Страница 1: ...On load tap changer VACUTAP VVS Operating Instructions 5788897 03 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: ...ve equipment 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 with oil 3...

Страница 4: ...ng the insulation fluid 64 7 3 1 Moving on load tap changer to adjustment position 64 7 3 2 Removing horizontal drive shaft 64 7 3 3 Emptying the oil compartment and oil conservator 66 7 3 4 Filling the oil compartment and oil conservator with fresh insulating fluid 69 7 3 5 Installing horizontal drive shaft 72 7 3 6 Centering on load tap changer and motor drive unit 73 7 4 Performing DC resistanc...

Страница 5: ...einhausen GmbH 2020 5 5788897 03 EN VACUTAP VVS 9 Drawings 82 9 1 10116884 83 9 2 10117744 84 9 3 10116883 85 9 4 10116888 86 9 5 10117736 87 9 6 10116885 88 9 7 10116846 89 9 8 10116850 90 9 9 10116886 91 9 10 10112220 92 9 11 892916 93 ...

Страница 6: ...sonnel 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 co...

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: ...from 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 su...

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 malfunctions and damage as wel...

Страница 12: ...work on the product 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...

Страница 13: ...sonnel are sufficiently quali fied Electrically skilled person The electrically skilled person has a technical qualification and therefore has the required knowledge and experience and is also conversant with the ap plicable standards and regulations The electrically skilled person is also pro ficient in the following Can identify potential dangers independently and is able to avoid them Is able t...

Страница 14: ...aintenance 2 5 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 work clothing with a low tearing...

Страница 15: ...in the power transmis sion grid 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 and the transformer s transmission ratio is adapted to the prevailing operating re quirements as a result Figur...

Страница 16: ...ls The following drawing shows the main components of the on load tap changer You will find a detailed drawing of the on load tap changer in the Drawings Section 9 Page 82 section Figure 2 On load tap changer 1 Air vent valve 2 Inspection window 3 On load tap changer head 4 Supporting flange 5 Oil compartment 6 Connection contact 7 Rupture disk 8 Pipe bend 9 Upper gear unit ...

Страница 17: ...n 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 cover It leads into the oil tank of the transformer directly under the on ...

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 ...

Страница 19: ...VACUTAP VVS 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: ...o 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: ...sk responds to a defined overpressure in the oil compartment of the on load tap changer 3 1 4 4 Pressure relief device MPreC On request instead of the rupture disk MR will supply the MPreC pressure relief device which responds to a defined overpressure in the oil compart ment of the on load tap changer The on load tap changer therefore meets the requirements of IEC 60214 1 regarding pressure relie...

Страница 24: ...s 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 changer or de energized tap changer ...

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: ... VVS 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: ...TAP VVS 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: ...xplosion Spraying hot in sulating 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 opera...

Страница 31: ... free pipe connections of the on load tap changer head Figure 17 Pipe connections S and R 4 Take oil sample from oil compartment 5 Record temperature of oil sample just after sample is taken 6 Determine dielectric strength and water content at a diverter switch oil temperature of 20 C 5 C The dielectric strength and water content must comply with the limit values provided in the appendix 7 Bleed t...

Страница 32: ...crewdriver and bleed the on load tap changer head Figure 18 Air vent valve E1 3 Seal air vent valve E1 with screw cap tightening torque 10 Nm 4 1 2 2 Bleeding suction pipe on pipe connection S 1 Remove the screw cap on the pipe connection S open the vent screw and bleed the piping Figure 19 Pipe connection S 2 Close vent screw 3 Seal vent screw with screw cap ...

Страница 33: ...epends on the type of diverter switch This fact should be noted when project planning the locking circuits between the motor drive unit and external equipment e g transformer circuit breaker Therefore the Tap changer in operation position transit contact shown in the connection diagram should be used for external monitoring locking and control purposes instead of the position transmitter equipment...

Страница 34: ...8 Ensure that the transformer s circuit breaker cannot be closed ð Passive protection test 9 Press OPERATION test button 10 Leave the transformer s danger zone 11 Close the transformer s circuit breaker with isolating switches open and the transformer grounded on all sides 12 Press OFF test button 13 Ensure that the transformer s circuit breaker is open ð Active protection test 14 Press OPERATION ...

Страница 35: ...evices are functioning correctly and are ready for use ü The oil compartment of the on load tap changer is completely filled with insulation fluid ü All stop cocks between on load tap changer and oil conservator of the on load tap changer are open 1 Switch on transformer 2 NOTICE Inrush current impulses can be significantly greater than the transformer rated current and may lead to current paths w...

Страница 36: ...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 37: ...cuit 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 ...

Страница 38: ...protective 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 inter...

Страница 39: ...d 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 i...

Страница 40: ...rotective 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 ...

Страница 41: ... 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 ...

Страница 42: ...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 43: ...ommission the transformer once the cause for tripping the pres sure monitoring device has been determined and resolved 1 Ensure that the sensor on the snap action switch is in the OPERATION position 2 Commission the transformer 6 3 Removing installing the selector switch insert NOTICE Damage to property Incorrectly performed work will damage the on load tap changer Only staff trained by Maschinenf...

Страница 44: ...d cover Figure 20 On load tap changer head cover 5 Lift off the on load tap changer head cover keeping it in a horizontal posi tion Figure 21 On load tap changer head cover 6 Loosen screw connection of oil suction pipe manifold Ensure that the gasket remains in place in the oil suction pipe manifold Figure 22 Screw connection on oil suction pipe manifold ...

Страница 45: ... plug into the on load tap changer head Figure 23 Counter plug 8 Pull oil suction pipe manifold off oil suction pipe Ensure that the O ring re mains in place on the oil suction pipe Figure 24 Oil suction pipe manifold 9 Remove 4 screws and lift energy accumulator up and off Figure 25 Lifting the energy accumulator off ...

Страница 46: ...ge over selector using circlip pliers Figure 26 Removing the circlip 11 Twist change over selector such that the adjustment marking on the change over selector is offset by around 30 from the adjustment mark ing on the on load tap changer head Ensure that the contacts are mov ing freely Figure 27 Twisting change over selector ...

Страница 47: ...t in the event of collisions while removing the change over selector Remove the change over selector and while doing so ensure that the change over selector does not collide with the oil compartment Figure 28 Lifting the change over selector off 13 Pull the oil suction pipe out of the selector switch insert Figure 29 Pulling the oil suction pipe out ...

Страница 48: ...ector switch insert The bracket must face inwards The bracket fitted in this way has a maximum load bearing capacity of 60 kg Only use the bracket to pull the selector switch insert out Figure 30 Securing the bracket 15 Align the selector switch insert centrally such that the upper contact fin gers release from the neutral point ring Figure 31 Aligning the selector switch insert ...

Страница 49: ...or switch insert and oil compartment in the event of collisions while pulling the selector switch insert out Pull the selector switch insert out of the oil compartment and while doing so en sure that the selector switch insert does not collide with the oil compart ment Figure 32 Pulling the selector switch insert out ...

Страница 50: ... 3 2 Installing the selector switch insert 1 Position the selector switch insert over the oil compartment and align it such that the contact fingers on the switching segment are facing the ad justment marking on the on load tap changer head Figure 33 Positioning the selector switch insert ...

Страница 51: ...he event of collisions while lowering the selector switch insert Lower the se lector switch insert slowly and vertically until the taper on the bottom of the oil compartment is in the selector switch insert s bearing When doing so ensure that the selector switch insert does not collide with the oil compart ment Figure 34 Lowering the selector switch insert ...

Страница 52: ...CUTAP VVS 3 Remove the bracket at the top of the selector switch insert and fit it back onto the energy accumulator Figure 35 Securing the bracket onto the energy accumulator 4 Insert the oil suction pipe into the selector switch insert Figure 36 Inserting the oil suction pipe ...

Страница 53: ...1 are above the neutral point ring 2 Hold the selector switch insert in this position Figure 37 Adjustment marking on the selector switch insert 6 Press oil suction pipe down Figure 38 Pressing the oil suction pipe down ð The tapers in the bottom bearing are used to push the selector switch insert toward the switching segment until the remaining contact fingers are also above the neutral point rin...

Страница 54: ... in the event of collisions during insertion Insert change over selector such that the adjustment marking on the change over selector is offset by around 30 from the adjustment marking on the on load tap changer head When doing so ensure that the change over selector does not collide with the oil compartment Figure 39 Inserting change over selector ...

Страница 55: ...e over selector match those on the on load tap changer head Figure 40 Turning back change over selector ð The change over selector contacts 1 make contact with the permanent contacts 2 on the change over selector Ensure that the change over selector contacts make contact in the center Figure 41 Moving the change over selector contacts to the closed position ...

Страница 56: ...irclip at the top of the change over selector using circlip pliers Figure 42 Fitting the circlip 10 Align the selector switch insert centrally and fit the energy accumulator such that the oil suction pipe slides through the center hole in the energy accumulator Figure 43 Fitting energy accumulator ...

Страница 57: ...n energy accumulator a little back and forth so that the change over selector s roll engages in the groove and the gear plate is centered by the upper head section s centering pins Figure 44 Aligning energy accumulator 12 Screw down energy accumulator Figure 45 Screwing down energy accumulator ...

Страница 58: ...nsure that the O ring is seated correctly on the oil suction pipe Figure 46 Oil suction pipe manifold 14 Pull the corresponding counter plug out of the on load tap changer head Figure 47 Counter plug 15 Ensure that the seal is in place in the oil suction pipe manifold Screw the oil suction pipe manifold onto the counter plug Figure 48 Screw connection on oil suction pipe manifold ...

Страница 59: ... is aligned with the cor responding hollow shaft in the on load tap changer head Figure 49 Aligning on load tap changer head cover 17 CAUTION Risk of crushing Carefully place the on load tap changer head cover horizontally on the on load tap changer head making sure that you do not place your fingers between the on load tap changer head and on load tap changer head cover Align the output shaft of ...

Страница 60: ... Fault elimination Maschinenfabrik Reinhausen GmbH 2020 60 5788897 03 EN VACUTAP VVS 18 Screw the on load tap changer head cover onto the on load tap changer head Figure 51 On load tap changer head cover ...

Страница 61: ...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 62: ...lled in positions other 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 compl...

Страница 63: ...terval Action After 300 000 switching operations mo tor drive unit counter reading Maintenance of the on load tap changer Contact the Maschinenfabrik Rein hausen GmbH Technical Service Sec tion 6 Page 38 for this After 500 000 switching operations mo tor drive unit counter reading Contact the Maschinenfabrik Rein hausen GmbH Technical Service Sec tion 6 Page 38 Table 6 Maintenance plan A label on ...

Страница 64: ...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 65: ...Maintenance Maschinenfabrik Reinhausen GmbH 2020 65 5788897 03 EN VACUTAP VVS 1 Loosen hose clips on protective cover of horizontal drive shaft remove protective cover Figure 53 Removing protective cover ...

Страница 66: ...oupling brackets to upper gear unit and bevel gear Figure 54 Loosening coupling brackets 3 Remove horizontal drive shaft Be sure not to lose the coupling bolts Figure 55 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 ...

Страница 67: ...changer head cover escapes In this sit uation ensure sufficient ventilation Figure 57 Valve tappet 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 connec...

Страница 68: ... tap changer head cover 8 Lift off the on load tap changer head cover horizontally Figure 59 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 ð The insulating fluid flows out of the oil conservator into the oil com partment 11 Extract insulating fluid via pipe connection S ...

Страница 69: ...fabrik 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 changer head cover 3 Move the on load tap changer head cover over the on load tap changer and align it such that the red triangul...

Страница 70: ...pper gear unit such that it engages in the corresponding hollow shaft in the on load tap changer head Figure 61 Lowering on load tap changer head cover 5 Screw the on load tap changer head cover onto the on load tap changer head Figure 62 On load tap changer head cover 6 Fill the oil conservator with fresh insulating fluid 7 Vent the on load tap changer head via air vent valve E1 on the on load ta...

Страница 71: ...essary 14 Re vent the on load tap changer head via air vent valve E1 and the pipe connection S via the vent screw 15 Flush the oil suction pipe and take an insulating fluid sample from the oil compartment via pipe connection S 16 Record the temperature of the sample immediately after the sample is taken 17 Determine the dielectric strength and water content at a sample temper ature of 20 C 5 C The...

Страница 72: ... 03 EN VACUTAP VVS 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 64 Securing drive shaft ...

Страница 73: ...rdan 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 restri...

Страница 74: ...is 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 resist...

Страница 75: ...ep capacity PStN in kVA 400 Rated frequency in Hz 50 60 Table 8 Electrical data Mechanical data Number of operating positions with change over selector max 19 Weight On load tap changer assembly with out oil approx 220 kg On load tap changer head cover with integrated motor drive unit without pressure relief device approx 35 kg Displacement in dm3 170 Oil fill quantity Vs and minimum useful volume...

Страница 76: ... 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 circuit The protective relay can be supplied with either a normally open NO or a normally closed NC dry reed magnetic switch see dimensional drawing supplied Other contact combinations are available as a special version Electrical data for normally closed NC dry reed magnetic switch Electrical data DC swit...

Страница 77: ...ctric 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 voltage AC DC 24 V 250 V Switched current AC DC 4 8 mA 2 A Table 15 Electrical data Switching capacity switching load on an off Minimum switched current AC DC low est voltage 50 mA at 24 V Minimum switched current AC DC h...

Страница 78: ...ontact 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 data DC switching capacity 1 2 W 150 W AC switching capacity 50 Hz 1 2 VA 200 VA Switching voltage AC DC 24 V 250 V Switched current AC DC 4 8 mA 1 A Table 19 Electrical data S...

Страница 79: ... 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 closed NC dry reed magnetic switch 8 4 Technical data for pressure monitoring device General technical data Setup Outdoor model Ambient temperature 40 ...

Страница 80: ...ar 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 81: ...ured in accordance with IEC 60156 and water content measured in accordance with IEC 60814 of insulating fluids The values have been established based on IEC 60422 Limit values for insulating fluids in ac cordance with IEC 60296 Ud H2O When commissioning 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 Insulat...

Страница 82: ...9 Drawings Maschinenfabrik Reinhausen GmbH 2020 82 5788897 03 EN VACUTAP VVS 9 Drawings ...

Страница 83: ... 1 O 204 222 207 370 1345 40 76 46 5 120 120 U V 494 O 8 5 46 5 1 W W 11 O 22 0 0 0 1 2 ON LOAD TAP CHANGER HEAD PLAN VIEW E1 E2 Q R S M BLEEDING OF ON LOAD TAP CHANGER HEAD BLEEDING OF TRANSFORMER TANK CONNECTING FLANGE FOR OIL RETURN WITH FILTER UNIT ONLY CONNECTING FLANGE FOR PROTECTIVE RELAY CONNECTING FLANGE FOR SUCTION PIPE MARK DRIVE SIDE DRIVE SHAFT W POSITION OF CHANGE OVER SELECTOR TERMI...

Страница 84: ...382 342 370 1800 40 76 46 5 120 120 U V 494 O 8 5 46 5 W 11 O 22 0 0 0 1 2 ON LOAD TAP CHANGER HEAD PLAN VIEW E1 E2 Q R S M BLEEDING OF ON LOAD TAP CHANGER HEAD BLEEDING OF TRANSFORMER TANK CONNECTING FLANGE FOR OIL RETURN WITH FILTER UNIT ONLY CONNECTING FLANGE FOR PROTECTIVE RELAY CONNECTING FLANGE FOR SUCTION PIPE MARK DRIVE SIDE DRIVE SHAFT W POSITION OF CHANGE OVER SELECTOR TERMINALS PLAN VIE...

Страница 85: ...UNTING 1 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 ATTENTION MAKE SURE THAT HOOKS AND GEAR PARTS DO NOT COLLIDE CENTERING BOLTS 2x O RING TRA...

Страница 86: ... O 570 11 12 FLAT SURFACE Ra 3 2 33 34 36 35 M MARK DRIVE SIDE MOUNTING FLANGE OF TRANSFORMER COVER FIXING BOLT M 12 GASKET FOR ON LOAD TAP CHANGER HEAD INSPECTION WINDOW FOR POS HEAD THROUGH HOLE ø15 ON LOAD TAP CHANGER HEAD BOTTOM PART ON LOAD TAP CHANGER HEAD TOP PART COVER OF ON LOAD TAP CHANGER HEAD PIPE CONNECTION R FOR PROTECTIVE RELAY PIPE CONNECTION Q FOR RETURN PIPE WITH OIL FILTER UNIT ...

Страница 87: ... 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 A1 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 MOUNTING FLANGE ON TRANSFORMER COVER WITHDRAWAL HEIGHT 1819 MM 1364 MM V V S III D 76 kV V V S III Y 76 kV ON LOAD TAP CHANGER WITHDRAWAL HEIGHT THE WITHDRAWAL HEIGHT CO...

Страница 88: ...OUT 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 E1 E2 R Q S M 15 O 36 M VIEW X A A 1 1 X 1 2 WIDTH OF GASKET BLEEDING FACILITY FOR TAP CHANGER HEAD BLEEDING FACILITY FOR SPACE UNDER THE HEAD OUTSIDE THE TAP CHANGER OIL COMPARTMENT CONNECTION FOR PROTECTIVE RELAY EXCHAN...

Страница 89: ...PATENT UTILITY MODEL OR DESIGN A2 PIPE CONNECTION E2 PIPE CONNECTION R PIPE CONNECTION S PIPE CONNECTION Q PRESSURE RELIEF DEVICE DV TEMPERATURE SENSOR T INSPECTION WINDOW SG AIR VENT VALVE E1 E1 DV SG T Q S R E2 M 29 95 50 110 72 124 102 155 130 125 93 133 135 123 65 114 180 0 180 160 150 93 136 130 55 68 5 0 LIMITATION OF THE SWIVEL RANGE THROUGH PIPE CONNECTIONS R AND S AND AIR VENT VALVE E1 LI...

Страница 90: ...T OF A PATENT UTILITY MODEL OR DESIGN A2 LIMITATION OF THE SWIVEL RANGE THROUGH PIPE CONNECTIONS R AND S AND AIR VENT VALVE E1 LIMITATION OF THE SWIVEL RANGE THROUGH OPTIONAL EXISTING PIPE CONNECTIONS Q E2 AND PRESSURE RELIEF DEVICE DV AND TEMPERATURE SENSOR T SWIVEL RANGE POSSIBLE BUT THE INSPECTION WINDOW SG IS NOT VISIBLE SWIVELLING RANGE THE ON LOAD TAP CHANGER CAN BE TURNED AROUND ITS AXLE AN...

Страница 91: ...HUK ON LOAD TAP CHANGER VACUTAP VVS PRV FLANGE FOR PRESSURE RELIEF VALVE 1 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 GASKET M MARK DRIVE SIDE...

Страница 92: ...CUMENT 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 130 STANDARD DESIGN STRAIGHT DRIVE ARRANGEMENT H1 MINIMUM DIMENSIONS G4 400 INTERMEDIATE BEARING REQUIRED FOR H2 H2 G 9 G9 G10 400 ARRANGEMENT G4 G 10 ARRA...

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Страница 96: ...nfabrik Reinhausen GmbH Falkensteinstrasse 8 93059 Regensburg 49 0 941 4090 0 sales reinhausen com www reinhausen com 5788897 03 EN VACUTAP VVS 03 20 Maschinenfabrik Reinhausen GmbH 2020 THE POWER BEHIND POWER ...

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