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3 Product description

Maschinenfabrik Reinhausen GmbH 2021

16

8209941/00 EN

ECOTAP

®

VPD

®

III 30D-24 / MD&C

3 Product description

3.1 Scope of delivery

The product is packaged with protection against moisture and is delivered as
follows:

▪ On-load tap-changer

▪ Motor-drive unit with connection cable

▪ Control unit (TDSC function optional)

▪ O-ring

▪ Additional seal

▪ Fixing screws with locking washers

▪ Technical documents

Note the following information:

▪ Check the shipment for completeness on the basis of the shipping docu-

ments.

▪ Store the parts in a dry place until installation

▪ The product must remain in its airtight, protective wrapping and may only

be removed immediately before installation

You will find more information in the "Packaging, transport, and stor-
age" [

Section 4, Page 22] chapter.

3.2 Function description

On-load tap-changer

On-load tap-changers are used to adjust the desired tap of a tap winding un-
der load.

The on-load tap-changer is based on the high-speed resistor-type tap-
changer principle and uses vacuum cells to change the tap position under
load. In this process, the arc is extinguished while isolated in a vacuum cell,
preventing contaminants from entering the oil.

Motor-drive unit

The motor-drive unit adjusts the operating position of on-load tap-changers
in regulating transformers to the individual operating requirements. The tap-
change operation is initiated by activating the motor-drive unit (a single con-
trol impulse is triggered). This adjustment operation is always completed re-
gardless of any other control impulses issued during the tap-change opera-
tion. In the standard design, the next tap-change operation can only proceed
once all control devices have reached their resting positions.

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Содержание ECOTAP VPD 3 30D-24

Страница 1: ...On load tap changer with motor drive unit ECOTAP VPD III 30D 24 MD C Operating Instructions 8209941 00 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: ...y instructions 12 2 4 Personnel qualification 14 2 5 Personal protective equipment 15 3 Product description 16 3 1 Scope of delivery 16 3 2 Function description 16 3 3 Operating modes 17 3 4 Design 19 3 5 Control unit operating concept 20 4 Packaging transport and storage 22 4 1 Packaging 22 4 1 1 Suitability 22 4 1 2 Markings 23 4 2 Transportation receipt and handling of shipments 24 4 3 Storage ...

Страница 4: ...5 6 3 1 Checking the correct position of the on load tap changer and motor drive unit 56 6 3 2 Mounting the control unit on an even surface 57 6 3 3 Connecting control unit at operating site 57 6 3 4 Switching on power supply 63 6 3 5 Performing trial tap change operations 64 6 3 6 Switching on medium voltage 65 6 3 7 Setting parameters 66 6 3 8 Checking automatic voltage regulation 66 6 3 9 When ...

Страница 5: ...8 Displaying event memory E 94 8 Control system protocol 96 8 1 Modbus RTU Parameters 96 8 2 Function codes 96 8 3 Data format 96 8 4 Data points single inquiry 97 8 4 1 Coils 97 8 4 2 Discrete Inputs 97 8 4 3 Input Register 98 8 4 4 Holding register 99 8 5 Data points collective inquiry 100 9 Fault elimination 103 9 1 General faults 103 9 2 Problem with automatic voltage regulation AVR AUTO 103 9...

Страница 6: ... basic connection 115 14 2 Technical data for the on load tap changer 116 14 3 Step capacity diagram 117 14 4 Permitted voltage stresses 118 14 5 Limit values for dielectric strength and water content of on load tap changer oil 121 14 6 Technical data of the control unit 121 14 7 Technical data for the motor drive unit 122 15 Drawings 123 15 1 Information on the drawings in the appendix 123 15 2 D...

Страница 7: ...297 E mail info capt it 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 considered supporting documents Connection diagrams Routine test report Also observe generally valid legislation standards and guidelines as well as s...

Страница 8: ...e 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 result in death or serious injury WARNING Indicates a...

Страница 9: ...tipping 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 whic...

Страница 10: ...e 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 1 4 4 Typographic conventions The following typographic conventions are used in this technical file Typographic con vention Purpose Example UPPERCASE Operating controls keys AVR MANUAL Bold Displays menus P21 Italics System messages LED dis...

Страница 11: ...ut the service life of the product from delivery installation and oper ation to removal and disposal The following is considered intended use Only use the ECOTAP VPD on load tap changer in systems set up in accordance with IEC 61936 1 You will find the standard valid for the product and the year of issue on the nameplate Only operate the product in accordance with this technical file and the agree...

Страница 12: ...rmer itself just as it does to transformers electrically connected in parallel or serially or other electrical machines 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 conditio...

Страница 13: ...njuries and property dam age Never operate a current transformer with an open secondary circuit short circuit the current transformer to prevent this Observe the information in the current transformer operating instructions Explosion protection Highly flammable or explosive gases vapors and dusts can cause serious explosions and fire Do not install or operate the product in areas where a risk of e...

Страница 14: ...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 to perform work on electrical systems Is specially trained for the working environment in which s he works Must satisfy the requirements of the applicable statutory re...

Страница 15: ...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 strength with tight sleeves and with no protruding parts It mainly serves to protect the wearer against being caught ...

Страница 16: ...ection 4 Page 22 chapter 3 2 Function description On load tap changer On load tap changers are used to adjust the desired tap of a tap winding un der load The on load tap changer is based on the high speed resistor type tap changer principle and uses vacuum cells to change the tap position under load In this process the arc is extinguished while isolated in a vacuum cell preventing contaminants fr...

Страница 17: ...er forms an automatic OLTC PreCheck once every 24 hours not before each tap change operation Behavior in the event of a voltage interruption Should a voltage interruption occur during a tap change operation the mo tor drive unit completes the tap change operation that has already started Open both relay contacts on X5 and the device will block further on load tap change operations until the voltag...

Страница 18: ...tomatically regulates the voltage in accordance with the set parameters The voltage is measured in a single phase via the supply voltage You have to switch to AVR MANUAL manual mode to config ure the control unit Control via EXTERNAL CONTROL In the EXTERNAL CONTROL operating mode the commands of an external control unit e g ECOTAP VPD CONTROL PRO are executed In this case manual operation using th...

Страница 19: ...21 19 8209941 00 EN ECOTAP VPD III 30D 24 MD C 3 4 Design You will find a detailed drawing of the on load tap changer in the Drawings section Figure 1 Front view 1 Motor drive unit 2 Nameplate 3 Sealing module 4 Additional seal 5 Connection contacts 6 O ring ...

Страница 20: ...the front panel Key Function MENU Call up or closing the parameterization menu AVR AUTO Activate automatic voltage regulation RAISE In AVR MANUAL operating mode Raise tap change operation In parameterization menu Increase displayed value RAISE AVR AUTO In parameterization menu Increase displayed value quickly LOWER In AVR MANUAL operating mode Lower tap change operation In parameterization menu De...

Страница 21: ...zation menu ð 3 Press to select the menu P2 ð 4 Press to confirm the selection ð 5 Press to select the parameter P2 2 ð 6 Press to confirm the selection ð 7 Press or to set the desired value e g 15 ð 8 Press to accept the selection 9 Press to leave the parameterization menu ð The parameter P2 2 delay time T1 is set Settings are only saved once the parameterization menu is exited via the key If you...

Страница 22: ...e outer marking on the packaging states if for example the on load tap changer or selector has been packed upright Never stack these crates General rule Do not stack crates above a height of 1 5 m For other crates Only stack up to 2 equally sized crates on top of one an other The packaging is suitable to ensure undamaged and fully functional means of transportation in compliance with local transpo...

Страница 23: ...4 1 2 Markings The packaging bears a signature with instructions for safe transport and cor rect storage The following symbols apply to the shipment of non hazardous goods Adherence to these symbols is mandatory Protect against moisture Top Fragile Attach lifting gear here Center of mass Table 6 Shipping pictograms ...

Страница 24: ...y the recipient before acceptance acknowledgment of receipt Completeness based on the delivery slip External damage of any type The checks must take place after unloading when the crate or transport con tainer can be accessed from all sides Visible damage If external transport damage is found upon receipt of the shipment proceed as follows Immediately record the identified transport damage in the ...

Страница 25: ...pments Packaged goods dried by Maschinenfabrik Reinhausen Upon receipt of the shipment immediately remove the packaged goods dried by Maschinenfabrik Reinhausen from the sealed packaging and store air tight in dry insulating fluid until used if the packaged goods were not sup plied in insulating fluid Non dried packaged goods Non dried packaged goods but with a functional sealed packaging can be s...

Страница 26: ...e as possible humidity 50 where possible 4 4 Unpacking shipments and checking for transportation damages NOTICE Damage to packaged goods due to ineffectively sealed packag ing Transport the packaged crate to the place where the packaged goods are to be installed Do not open the sealed packaging until just before in stallation WARNING Serious injuries and damage to the packaged goods due to the pac...

Страница 27: ...on the underside of the transformer cover which later makes contact with the sealing module s O ring Only one coating of primer is permitted 1 Make opening for sealing module and holes for fixing screws in the trans former cover The dimensions and position are to be found in the accom panying dimensional drawing Figure 3 Top view of transformer cover with opening for sealing module ...

Страница 28: ... 3 NOTICE Damage to the on load tap changer due to incorrect screw con nections Guide the on load tap changer from below through the opening in the transformer cover and affix horizontally to the transformer cover us ing 4 screws Evenly tighten screws crosswise by hand 4 Tighten the screws crosswise with 9 Nm Ensure that the fastenings are not subject to mechanical stress 5 Check the fit of the fl...

Страница 29: ...en the screws crosswise with 16 Nm Ensure that the fastenings are not subject to mechanical stress Figure 5 Fastening the on load tap changer 7 NOTICE Damage to the on load tap changer due to incorrect screw con nections Attach the additional seal with 4 screws Evenly tighten screws crosswise by hand ...

Страница 30: ... tap winding and on load tap changer take off lead NOTICE Damage to the on load tap changer Mounting mistakes will damage the on load tap changer and jeopardize safe operation Connect connecting leads without warping or deforming them and ensure that no forces are transferred from the connecting leads to the on load tap changer The diagram below shows the areas particularly critical for insulation...

Страница 31: ...er 2 Critical area Spacing to grounded parts 3 Critical area Spacing between the phases NOTICE Damage to the on load tap changer Improperly carried out crimp connections jeopardize safe operation Carry out crimp connections in accordance with DIN EN IEC 61238 1 3 The length of the stripped part of the connecting cable may not exceed 16 mm ...

Страница 32: ... III 30D 24 MD C Connect the tap winding connecting leads and on load tap changer take off leads by crimping them onto the connection contacts on the on load tap changer and ensure that they are not subject to mechanical stress Figure 8 Connecting leads and connection contacts ...

Страница 33: ... ensure that the transformer is de energized and secured against reconnection Failure to do so can lead to death or serious in juries 2 Remove the transport locking plate and store it safely for later use Do not leave the sealing module open for long periods in order to prevent soiling and damage to the mechanics Figure 9 Removing the transport locking plate 3 Check the on load tap changer operati...

Страница 34: ...igure 11 Position of the shaft of the on load tap changer ð If the shaft of the on load tap changer is in this position the on load tap changer is in a defined operating position If this is not the case correct the position as described below 5 NOTICE Only use the emergency drive shaft built into the sealing mod ule Failure to do so can result in damage to the on load tap changer 6 Pull the emerge...

Страница 35: ... C 7 Plug the emergency drive shaft with feather key into the shaft of the on load tap changer Figure 13 Attaching emergency drive shaft 8 Rotate the emergency drive shaft in the direction of the desired operating position using an appropriate tool Figure 14 Emergency drive shaft actuation ...

Страница 36: ...e cover 2 Otherwise the tap change operation has not been completed correctly which may result in damage to the on load tap changer and transformer Figure 15 Position of the shaft of the on load tap changer ð The current operating position is displayed by the control wheel Figure 16 Checking operating position example illustration 10 Pull the emergency drive shaft out of the shaft of the on load t...

Страница 37: ...otor drive unit 1 Clean sealing surfaces on the sealing module and underside of the motor drive unit and check that the O ring is in the correct position Figure 18 Cleaning sealing surfaces of the motor drive unit 2 When mounting for the first time Remove label with warning Figure 19 Removing the label ...

Страница 38: ...aft must be facing the mark If necessary cover the motor shaft with a cloth and carefully turn using pliers until the feather key is facing the mark Ensure that the motor drive unit and on load tap changer are aligned as de scribed below In the event of incorrect mounting the control unit recog nizes the incorrect mounting and delivers the event code E6 Section 11 2 Page 110 This event code can on...

Страница 39: ... drive unit with emergency drive shaft Section 7 3 Page 71 section Figure 22 Checking the position of the on load tap changer 6 Attach motor drive unit to sealing module 7 NOTICE Attach the motor drive unit without warping or deforming to do so gradually tighten screws crosswise Otherwise the motor drive unit is not correctly connected to the on load tap changer which may result in damage to the o...

Страница 40: ...he motor drive unit is replaced or mounted 5 4 Connecting control unit at the transformer manufacturer s site This section describes how you connect the control unit before initial com missioning Connection and mounting of the control unit for permanent oper ation are described in the Commissioning transformer at operating site chap ter DANGER Risk of fatal injury due to electrical voltage Danger ...

Страница 41: ...is allows the on load tap changer to remain in an impermis sible operating position This can lead to an explosion in the transformer Only use the connection cable provided The connection cable may not be altered 5 4 2 Connecting motor drive unit and voltage supply All pole isolating device You may connect the control unit only to circuits with an external overcurrent protection device and an all p...

Страница 42: ...otect against electric shock according to IEC 61140 and the local connection regulations Further conditions For the correct dimensioning of the voltage transformer observe the infor mation in the section Technical data of the control unit Section 14 6 Page 121 During the charging process for the energy accumulator the measuring error of the voltage transformer can increase significantly 2 3 The ch...

Страница 43: ...on 3 DANGER Ensure that the connections PE N and L are not inter changed Otherwise dangerously high voltages could occur at the hous ing Tighten 0 5 Nm the control unit power supply to the plug connector for X1 in accordance with the supplied connection diagram In addition use the green cable housing supplied for touch protection 4 The plug connector is coded Carry out the installation without usi...

Страница 44: ...load tap changer and motor drive unit Damage to on load tap changer and transformer due to improper trans former ratio test Do not perform more than 100 tap change operations without a full oil fill Only switch on load tap changer with the help of the control unit Only use emergency drive shaft to rectify faults and never operate with a drill Carrying out automatic adjustment Carry out an automati...

Страница 45: ...Carrying out DC resistance measurement The measured DC current is normally restricted to 10 of the rated current of the measured transformer winding in order to prevent the winding from overheating Observe the maximum permitted measured currents for the on load tap changer during the DC resistance measurement on the transformer Maximum permissible measured cur rent Transformer tank empty Maximum 1...

Страница 46: ... plate prior to drying to protect the on load tap changer Ensure that the temperature of the on load tap changer does not exceed 135 C Removing motor drive unit and control unit 1 DANGER Risk of fatal injury due to electrical voltage Ensure that all cables in the working area are de energized and that the shutdown equip ment is locked so that it cannot be switched on again 2 Remove connectors from...

Страница 47: ...faces on sealing module and transport locking plate and check that O ring is in the correct position 6 Affix the transport locking plate Figure 29 Transport locking plate Drying the on load tap changer You can dry the on load tap changer using one of the following methods The drying time depends on the transformer Vacuum drying in an autoclave Vacuum drying in the transformer tank ...

Страница 48: ...tives Contact Maschinenfabrik Reinhausen GmbH if you want to use an alterna tive insulating fluid Observe the permitted temperature range of the transformer oil in the Tech nical data section NOTICE Damage to the on load tap changer If a transformer is not completely filled with oil the on load tap changer may be damaged Before commissioning the on load tap changer completely fill trans former wit...

Страница 49: ...re that the temperature limit values stated in the technical data are not exceeded NOTICE Damage to on load tap changer resulting from switching with out oil Performing too many operations without a complete transformer oil fill will damage the on load tap changer Do not perform more than 100 tap change operations without a full oil fill Only use emergency drive shaft to rectify faults and never o...

Страница 50: ...er is positioned correctly The marking on the cam disk must be within the marked range of the cover Figure 31 Checking the position of the on load tap changer 3 Mount and connect motor drive unit and control unit Commissioning NOTICE Damage to device and system periphery An incorrectly connected device can cause damage to the device and sys tem periphery Check the entire configuration before commi...

Страница 51: ...sary 2 Carry out Automatic adjustment Section 7 4 9 1 Page 87 6 1 1 Performing trial tap change operations Before you activate the transformer you must carry out trial tap change op erations to check the mechanical and electrical functions of the on load tap changer and the motor drive unit ü You have already carried out automatic adjustment Section 7 4 9 1 Page 87 of the on load tap changer and t...

Страница 52: ... by static charging in the immediate surroundings and that none occur Ensure that the on load tap changer is fully submerged in oil Only use conductive and grounded hoses pipes and pump equipment that are approved for flammable liquids Ensure that all safety equipment is ready for use Use suitable personal protective equipment clothing Keep away from the danger area during the transformer test Obs...

Страница 53: ...ngs and motor drive unit including the connection cable is observed at all times If you have any questions about possible sources of danger consult the manufacturer before starting to test the transformer Only undertake the electrical tests required for transformer acceptance once the aforementioned work is complete 6 1 2 2 Dielectric tests on transformer wiring The motor drive unit and control un...

Страница 54: ...it is fully disconnected 3 Carry out dielectric tests on the transformer wiring 4 Connect the connectors to the terminals X4 X2 and X1 on the control unit 6 1 3 Resetting automatic adjustment Reset the automatic adjustment prior to transporting the transformer to the installation site This ensures that automatic adjustment is carried out again during commissioning at the installation site To reset...

Страница 55: ... and use plastic film and adhesive tape to protect from moisture 3 NOTICE Damage to the control unit due to incorrect transportation or storage Transport control unit in MR packaging used for delivery Do not transport or store the control unit in the open 6 3 Commissioning transformer at operating site WARNING Flying parts and spraying of hot oil resulting from on load tap changer overload The on ...

Страница 56: ...otor drive unit via a separate voltage source during these tests If a separate voltage source is not available it is imperative that the cor rect position of the on load tap changer and motor drive unit be checked again according to the section Mounting the motor drive before these tests 1 Ensure that the motor drive unit is positioned correctly The feather key on the motor drive unit must be faci...

Страница 57: ...rounding conductor minimum cross section 8 mm with a ring type cable terminal and attach it with washers contact washer and safety washer and M6 bolt Figure 36 Mounting the control unit 6 3 3 Connecting control unit at operating site The following section describes how to make the electrical connection to the control unit at the operating site DANGER Risk of fatal injury due to electrical voltage ...

Страница 58: ...of explosion An impermissibly long connection cable between the motor drive unit and control unit can lead to malfunctions of the motor drive unit and the on load tap changer This allows the on load tap changer to remain in an impermis sible operating position This can lead to an explosion in the transformer Only use the connection cable provided The connection cable may not be altered 6 3 3 2 Ele...

Страница 59: ...interference for ex ample power line 4 Line susceptible to interference e g signal line Short circuit and ground reserve lines Never connect the device with a multi core bus line For signal transmission use shielded lines with individual conductors out going conductor return conductor twisted in pairs The shield must be connected across the entire surface 360º For optional installation of the cont...

Страница 60: ...his overload can lead to an explosion in the transformer Carry out automatic adjustment and trial tap change operations on a volt age free transformer Supply the controller and motor drive unit via a separate voltage source during these tests If a separate voltage source is not available it is imperative that the cor rect position of the on load tap changer and motor drive unit be checked again ac...

Страница 61: ...olating device You may connect the control unit only to circuits with an external overcurrent protection device and an all pole isolating device enabling the equipment to be fully de energized if required service maintenance etc Suitable equipment includes isolating devices in accordance with IEC 60947 1 and IEC 60947 3 e g circuit breakers Observe the properties of the relevant circuits voltage m...

Страница 62: ...or mation in the section Technical data of the control unit Section 14 6 Page 121 During the charging process for the energy accumulator the measuring error of the voltage transformer can increase significantly 2 3 The charging process for the energy accumulator takes approx 35 s during initial charging and approx 0 3 s after each on load tap change operation 6 3 3 4 Connecting control unit in sta...

Страница 63: ...tor is coded Carry out the installation without using force by connecting the plug connector to terminal X1 correctly according to the device labeling and screwing it tight with 0 5 Nm 6 3 4 Switching on power supply DANGER Danger of explosion An incorrect position of the on load tap changer or the motor drive shaft can lead to malfunction and consequently to an overload of the on load tap changer...

Страница 64: ...p and the E4 event code appears in the dis play the motor drive unit and control unit have not yet been adjusted to one another 2 Before commissioning an automatic adjustment of the on load tap changer and the motor drive unit must be made Observe section Auto matic adjustment Section 7 4 9 1 Page 87 for this 6 3 5 Performing trial tap change operations Before you activate the transformer you must...

Страница 65: ...the working area are de energized and that the shutdown equipment is locked so that it cannot be switched on again Otherwise there is a risk of fatal injury due to electrical voltage during the subsequent work 2 Screw on the plug connector for terminal X1 on the control unit 3 Disconnect wiring to the separate power source from this plug connector 4 Adjust the voltage supply from the transformer t...

Страница 66: ... 77 3 P2 2 Set delay time T1 Section 7 4 1 3 Page 78 4 P3 1 Set bandwidth B2 Section 7 4 1 4 Page 78 5 P3 2 Set delay time T2 Section 7 4 1 5 Page 79 6 P4 1 Set undervoltage blocking Section 7 4 2 1 Page 80 7 P4 2 Set overvoltage blocking Section 7 4 2 2 Page 80 8 P5 Set blocking function Section 7 4 3 Page 81 9 F5 Set inverting Section 7 4 13 Page 91 ð The most important parameters for voltage re...

Страница 67: ...age 81 6 3 10 Switching on the low voltage busbar NOTICE Damage to the on load tap changer and transformer An inrush current impulse which has not fully subsided can damage the on load tap changer and transformer in the event of an on load tap changing operation Once the transformer has been switched on ensure that the inrush cur rent impulse has fully subsided before undertaking an on load tap ch...

Страница 68: ...mbH 2021 68 8209941 00 EN ECOTAP VPD III 30D 24 MD C 4 Once the transformer has been switched on ensure that the inrush cur rent impulse has subsided ð On load tap change operations can now be undertaken both when idling and under load conditions ...

Страница 69: ...y pressing the AVR MANUAL key once you can switch to the manual op erating mode and then execute tap change operations by pressing the UP DOWN arrow keys Standard mode is not designed for tap change operations without a control unit Should you experience problems in operating the control unit or on load tap changer consult the Fault elimination section 7 1 Monitoring on load tap changer Monitoring...

Страница 70: ...he Technical data section Ensure that the temperature limit values are not exceeded and that the Temperature blocking Section 6 3 9 Page 67 function works correctly 7 2 Selecting the operating mode You can select the operating mode via the operating controls on the front panel of the control unit AVR MANUAL manual mode In manual mode you can perform tap change operations via the in crease voltage ...

Страница 71: ...ol via EXTERNAL CONTROL proceed as follows Press to activate control via EXTERNAL CONTROL ð The device will perform the OLTC PreCheck In this mode the OLTC PreCheck is automatically repeated every 24 hours 7 3 Actuating on load tap changer using the emergency drive shaft WARNING Danger of death or severe injury Improper actuation of the on load tap changer may result in death or seri ous injury Fu...

Страница 72: ...sure that all cables in the working area are de energized and that the shutdown equip ment is locked so that it cannot be switched on again 2 Remove connectors from the terminals X1 X2 and X4 on the control unit Figure 43 Removing the connection cable 3 Loosen screws and lift motor drive unit off sealing module Figure 44 Removing the motor drive unit ...

Страница 73: ...emergency drive shaft out of the bracket in the sealing module Figure 45 Pulling the emergency drive shaft out of the bracket 5 Plug the emergency drive shaft with feather key into the shaft of the on load tap changer Figure 46 Inserting the emergency drive shaft into the shaft of the on load tap changer ...

Страница 74: ... one direction until reaching one complete revolution and the arrow on the cam disk is again facing the arrow in the cover NO TICE Figure 47 Turning the emergency drive shaft ð The operating position reached is displayed by the control wheel Figure 48 Checking the operating position 7 Pull the emergency drive shaft out of the shaft of the on load tap changer and insert it into the bracket Figure 4...

Страница 75: ...f the parameters required for the regulation function are described in this section In AVR AUTO auto mode voltage regulation works as follows If the measured voltage Uactual is within the set bandwidth no control commands are issued to the motor drive unit for the tap change opera tion Control commands will also not be issued to the motor drive unit if the measured voltage returns to the tolerance...

Страница 76: ...dth before delay time T is complete C Uactual is outside the bandwidth De lay time T starts D Uactual is still outside the bandwidth when delay time T is complete Tap change operation is initiated 7 4 1 1 Desired voltage P1 You can use this parameter to set the desired value for voltage regulation To do so proceed as follows ü The AVR MANUAL operating mode is active 1 Press until the desired param...

Страница 77: ...t be known Note that a large bandwidth will result in a large control deviation The bandwidth must always be greater than the following value Figure 51 Calculation of minimum bandwidth Un 1 Step voltage of tap position n 1 Un Step voltage of tap position n Unom Nominal voltage The following transformer values are used to determine the minimum band width Nominal voltage Unom 400 V Step voltage in t...

Страница 78: ...AL operating mode is active 1 Press until the desired parameter is displayed ð 2 Press to confirm the selection 3 Press until the desired parameter is displayed ð 4 Press to confirm the selection 5 Press or to select the desired value Alternative Press or to set the value in larger steps 6 Press to confirm the selection 7 Press to save the setting 7 4 1 4 Bandwidth B2 P3 1 You can use this paramet...

Страница 79: ...This prevents unnecessary tap change operations if the tolerance bandwidth is exited only briefly Delay time T2 enables a faster response to larger changes in voltage compared with T1 Note that the setting range is dependent on the delay time T1 For T1 10 s T2 2 s T1 1 s For T1 10 s T2 2 s T1 5 s To set the delay time T2 proceed as follows ü The AVR MANUAL operating mode is active 1 Press until th...

Страница 80: ...blocking P4 1 To set the undervoltage blocking proceed as follows ü The AVR MANUAL operating mode is active 1 Press until the desired parameter is displayed ð 2 Press to confirm the selection ð 3 Press to confirm the selection 4 Press or to select the desired value Alternative Press or to set the value in larger steps 5 Press to confirm the selection 6 Press to save the setting 7 4 2 2 Overvoltage...

Страница 81: ...s closed all switch ing operations in the operating modes AVR AUTO and EXTERNAL CON TROL are blocked by the device Manual switching operations can still be performed in the AVR MANUAL operating mode 2 active MANUAL AUTO EXTERNAL If the blocking contact is closed all switching operations in all operating modes AVR MANUAL AVR AUTO and EXTERNAL CONTROL are blocked by the device The LED lights up if b...

Страница 82: ...er is in the set target position approximately 20 seconds after the voltage failed 7 4 4 1 Setting the target position P6 1 You can use this parameter to set the target position To do so proceed as follows ü The AVR MANUAL operating mode is active 1 Press until the desired parameter is displayed ð 2 Press to confirm the selection 3 Press until the desired parameter is displayed ð 4 Press to confir...

Страница 83: ...election ð 7 Press until code 3 is displayed ð 8 Press to confirm the selection 9 Press to save the setting 7 4 5 Number of operating positions P7 The control unit can be configured for different types of ECOTAP VPD on load tap changer You must set the number of operating positions ac cordingly When you perform the automatic adjustment F1 1 the parameter P7 is au tomatically set to the correct val...

Страница 84: ...ou can use this parameter to set the lowest permissible operating position To do so proceed as follows ü The AVR MANUAL operating mode is active 1 Press until the desired parameter is displayed ð 2 Press to confirm the selection 3 Press until the desired parameter is displayed ð 4 Press to confirm the selection 5 Press or to select the desired value 6 Press to confirm the selection 7 Press to save...

Страница 85: ...mote In the EXTERNAL CONTROL operating mode you can select the desired operating mode via SCADA command Automatic voltage regulation via the ECOTAP VPD CONTROL PRO control unit Manual tap change operations via SCADA commands To set the remote behavior proceed as follows ü The AVR MANUAL operating mode is active 1 Press until the desired parameter is displayed ð 2 Press to confirm the selection 3 P...

Страница 86: ...ed value Alternative Press or to set the value in larger steps 6 Press to confirm the selection 7 Press to save the setting 7 4 8 2 Activating deactivating password protection P10 2 You can use this parameter to activate or deactivate the password protection function You can select the following options 0 inactive 1 active To activate or deactivate the password protection function proceed as fol l...

Страница 87: ...message E4 appears on the display 7 4 9 1 Automatic adjustment F1 1 This function starts the automatic adjustment of the on load tap changer The entire regulating range of the on load tap changer is passed through un til the signals of the respective micro switch for recording the end position are detected In conclusion the position display is synchronized with the po sition of the tap changer and...

Страница 88: ...g from the current tap position through to the lowest tap posi tion Pos 1 The manual adjustment does not run through the entire regu lating range of the on load tap changer If you perform a manual adjustment with the busbar closed you must check that the measured voltage is within the permitted range after the tap change operations To start the manual adjustment n 1 function proceed as follows ü T...

Страница 89: ...permitted range after the tap change operations To start the manual adjustment n 1 function proceed as follows ü The AVR MANUAL operating mode is active 1 Press until the desired function is displayed ð 2 Press to confirm the selection 3 Press until the desired parameter is displayed ð 4 Press to confirm the selection 5 Press to perform one on load tap change operation n 1 ð The current measured v...

Страница 90: ...00 Time Figure 52 Typical progression of the remaining life To start the remaining life query proceed as follows ü The AVR MANUAL operating mode is active 1 Press until the desired function is displayed ð 2 Press to confirm the selection ð The remaining life is displayed as a percentage value 3 Press to exit the display 4 Press to leave the parameterization menu 7 4 11 LED function test F3 You can...

Страница 91: ...n use this to adjust the behavior of the device based on how your on load tap changer and motor drive unit are configured You can select the following options Setting Meaning 0 Normal configuration Lowest voltage low voltage side in operating position 1 Highest voltage low voltage side in operating position n 1 Inverted configuration Highest voltage low voltage side in operating position 1 Lowest ...

Страница 92: ... reported via the customer messages interface Ready Error terminal X5 All further event messages will always be re ported via the customer messages interface ready error terminal X5 7 4 15 1 Customer message for event message E1 F7 1 With this function you can set whether the event message E1 EXTERNAL CONTROL is to be reported via the customer messages interface Ready Er ror terminal X5 You can se...

Страница 93: ...il the desired function is displayed ð 2 Press to confirm the selection 3 Press until the desired parameter is displayed ð 4 Press to confirm the selection 5 Press or to select the desired option 6 Press to confirm the selection 7 Press to save the setting 7 4 16 Reset to factory setting F8 You can use this function to reset the device to the factory settings Sec tion 12 Page 112 To do so proceed ...

Страница 94: ...4 18 Displaying event memory E The event memory will show you the saved event codes You can find an overview of the event codes in the Event messages Section 11 2 Page 110 section The event memory has 20 memory slots and displays the last 20 entries Memory slot 1 is the latest entry memory slot 20 is the earliest entry The device records the number of tap change operations when an event mes sage h...

Страница 95: ...tedly until the first memory slot in the event mem ory is displayed ð 2 Press or to select the desired memory slot ð 3 Press to call up the memory slot ð The event code or a number of tap change operations will be displayed ð 4 Press to display further event codes If there are no further event codes present the number of tap change operations will be displayed ð 5 Press to exit the memory slot ...

Страница 96: ...en Number of stop bits 1 Table 12 Device parameters 8 2 Function codes Function code Group name 03 Read holding registers 06 Preset single register 10 Coil holding register Table 13 Function codes 8 3 Data format Type Description Range uInt8 unsigned integer 8 bit 0 255 uInt16 unsigned integer 16 bit 0 65 535 sInt16 signed integer 16 bit 32 768 32 768 uInt32 unsigned integer 32 bit 0 4 294 967 295...

Страница 97: ...read W write CONTROL PRO Others 0 E1 No connection to EXTERNAL CONTROL 1 active R R 1 E2 EXTERNAL CONTROL command could not be performed 1 active R R 2 E3 1 Error in connection between control unit and motor drive unit 1 active R R 3 E3 2 Error in connection between control unit and motor drive unit 1 active R R 4 E3 3 Error in connection between control unit and motor drive unit 1 active R R 5 E3...

Страница 98: ... operation has not been completed or fault motor drive unit 1 active R R 25 E2 3 Inrush interlock is active or automatic adjust ment required 1 active R R 26 E2 4 Energy in the energy accumulator too low 1 active R R 27 E2 5 Signal for blocking activated door interlock or temperature blocking 1 active R R 28 Motor drive running 1 active R R 29 Ready for tap change operation 1 active R R 30 Voltage...

Страница 99: ...olding register Address Name Unit Decimal places EXTERNAL CONTROL R read W write CONTROL PRO Others 0 Operating mode 1 AVR AUTO 2 AVR MANUAL 3 EXTERNAL CONTROL 0 R R 1 Tap position 0 R R 2 Operations counter MSB 0 R R 3 Operations counter LSB 0 R R 17 Tap change operation 3 2 1 1 2 3 0 R W Table 18 Holding register ...

Страница 100: ...13 E6 1 E6 2 E6 3 Tap change command cannot be per formed 0 ok 1 error R 201 14 15 E7 1 E7 2 Correct positioning not possible 0 ok 1 error R 202 5 n a Relay OK 1 ok R 202 6 n a Relay ERROR 1 error R 202 7 E2 1 Highest or lowest operating position reached 0 ok 1 error R 202 8 E2 2 Previous tap change operation has not been completed or fault motor drive unit 0 ok 1 error R 202 9 E2 3 Inrush interlo...

Страница 101: ... OLTC 1 2 UINT16 0 65 535 R 215 0 15 MR serial number OLTC 2 2 UINT16 0 65 535 R 216 0 15 Material number MD C 1 3 UINT16 0 65 535 R 217 0 15 Material number MD C 2 3 UINT16 0 65 535 R 218 0 15 Material number MD C 3 3 UINT16 0 65 535 R 219 0 15 Set of parameters UINT16 0 65 535 R 220 0 15 Remaining time to the next PreCheck min UINT16 0 65 535 R 4013 0 15 Multiple tap changes SINT16 3 to 3 W 403 ...

Страница 102: ...th the command Multiple switching operations up to 3 successive switching operations can be executed without a regular pause of 3 seconds This is followed by a cooling period of 3 seconds for 1 on load tap change operation 6 seconds for 2 on load tap change operations 9 seconds for 3 on load tap change operations ...

Страница 103: ...utomatic voltage regulation not functioning The on load tap changer is in the end position Travel commands for regulat ing the measured voltage are in the wrong direction Function Invert travel commands F5 is set incorrectly Check Invert travel commands F5 function Section 7 4 13 Page 91 Automatic voltage regulation is blocked LED is lit The display does not show an event code Blocking function is...

Страница 104: ...roblem with automatic voltage regulation AVR AUTO 9 3 Other faults In the event of faults on the on load tap changer motor drive unit or control unit which cannot be easily corrected on site please inform your authorized MR representative the transformer manufacturer or contact Maschinenfabrik Reinhausen GmbH MR directly Please have the following data ready Serial number nameplate Control unit sof...

Страница 105: ...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 occur Do not operate any electrical de...

Страница 106: ...s follows ü The AVR MANUAL operating mode is active 1 Press until the desired function is displayed ð 2 Press to confirm the selection ð The control unit s software version is displayed 3 Press to exit the display 4 Press to leave the parameterization menu 10 1 4 Reading remaining life F2 The control unit s integrated energy accumulator is continually monitored With the function Read remaining lif...

Страница 107: ...The AVR MANUAL operating mode is active 1 Press until the desired function is displayed ð 2 Press to confirm the selection ð The remaining life is displayed as a percentage value 3 Press to exit the display 4 Press to leave the parameterization menu 10 1 5 LED function test F3 You can use this function to test the function of all LEDs and the display on the front of the control unit To do so proce...

Страница 108: ... temperature sensor in accordance with the man ufacturer s details ü The LED is not lit if this is not the case resolve the cause of the error Remove the plug at terminal X3 to simulate a blocking signal ð Blocking is active and the LED is lit 10 1 7 Oil quality 1 Check the quality of the transformer oil at regular intervals 2 Determine dielectric strength and water content at an oil temperature o...

Страница 109: ...drive unit are maintenance free Interval Action After 500 000 operations Replacing the on load tap changer Con tact the Maschinenfabrik Reinhausen Technical Service department for this After a maximum of 20 years Replace the control unit Contact the Maschinenfabrik Reinhausen Technical Service department for this 10 3 Care You can clean the device s housing with a dry cloth ...

Страница 110: ...nstructions when doing so If the error is still present contact MR E2 Info EXTERNAL CON TROL command could not be per formed Check the EXTERNAL CONTROL operating mode setting Check whether the on load tap changer is in a permitted position To do so set the operating mode to MANUAL and test manual tap change operations After a successful manual tap change operation in EXTER NAL CONTROL operating mo...

Страница 111: ... MR E4 1 Error Automatic adjust ment not under taken or incorrect Carry out automatic adjustment again E4 2 Error The desired target position could not be reached when voltage failed Check correct setting of Target position for loss of voltage function P6 The target position must be within the regu lating range Check remaining life of the energy accumulator F2 If the error is still present contact...

Страница 112: ...TO EXTER NAL 2 active MANUAL AUTO EXTERNAL 0 P6 Target position for loss of voltage P6 1 Set target position 1 9 17 1 P6 2 Activate deactivate function 0 inactive 1 active 0 P7 Number of operating posi tions 9 or 17 9 P8 Regulating range P8 1 Lowest operating position 1 9 17 3 1 P8 2 Highest operating position 1 9 17 3 9 P9 Remote behavior 0 local 1 remote 1 P10 Password protection P10 1 Set passw...

Страница 113: ... 1 Error relay E1 0 inactive 1 active 1 active F7 2 Error relay E2 0 inactive 1 active 1 active F8 Factory settings F9 Display control parameters Table 24 Parameter overview 1 The bandwidth B2 is always at least 0 5 greater than the bandwidth B1 2 The delay time T2 is always at least 1 s less than T1 if T1 10 s or 5 s less than T1 if T1 10 s 3 Depending on the number of tap positions of the on loa...

Страница 114: ...1 00 EN ECOTAP VPD III 30D 24 MD C 13 Disposal For disposal observe the national requirements applicable in the country of use If you have any questions about disassembly and disposal please contact Maschinenfabrik Reinhausen GmbH s Technical Service department ...

Страница 115: ...esignation ECOTAP VPD III 30 D 24 09 09 0 ECOTAP VPD On load tap changer type III Number of phases 30 Maximum rated through current Irm A D Application Delta 24 Highest voltage for equipment Um kV 09 09 0 Basic connection Table 25 Designation of the ECOTAP VPD on load tap changer 14 1 2 Number of positions and basic connection The selector must adapt to the number of positions and tapped winding c...

Страница 116: ...Rated duration of short circuits 2 s Rated peak withstand current 1 875 A Maximum rated step voltage 550 V Step capacity 16 500 VA Maximum number of operating positions 9 Rated insulation level Highest voltage for equipment Um 24 kV Rated withstand voltages See section Permitted voltage stresses Rated frequency 50 Hz 60 Hz Permissible temperature range of transformer oil for on load tap change ope...

Страница 117: ...14 Technical data Maschinenfabrik Reinhausen GmbH 2021 117 8209941 00 EN ECOTAP VPD III 30D 24 MD C 14 3 Step capacity diagram Figure 54 Step capacity diagram for ECOTAP VPD ...

Страница 118: ...ector contacts of the winding across two tap positions connected or not connected b Between the tap selector contacts of different phases and between change over selector contacts of dif ferent phases which are connected with the beginning end of a tap winding or with a tap selector con tact The permissible voltages between the contacts for tap changers for delta connections depend on the position...

Страница 119: ...50 μs LIC Chopped wave lightning impulse kV 1 2 50 3 µs AC Applied voltage kV 50 Hz 1 min Table 29 Abbreviations for the rated insulation level Rated insulation level voltage magnitudes for delta applications in kV Highest voltage for equipment Um 24 kV Insulation dis tance Voltage waveform Without change over selector a LI 1 2 50 µs 50 LIC 1 2 50 3 6 µs 55 AC 50 Hz 1 min 12 a1 LI 1 2 50 µs 15 LIC...

Страница 120: ... 24 kV Insulation dis tance Voltage waveform Without change over selector b3 LI 1 2 50 µs 180 LIC 1 2 50 3 6 µs 200 AC 50 Hz 1 min 70 f1 LI 1 2 50 µs 150 LIC 1 2 50 3 6 µs 165 AC 50 Hz 1 min 50 f2 LI 1 2 50 µs 170 LIC 1 2 50 3 6 µs 190 AC 50 Hz 1 min 60 Table 30 Rated insulation level voltage magnitudes for delta applications in kV ...

Страница 121: ...ontrol unit Permissible voltage range Note The measured voltage is the supply voltage UN 100 240 VAC Measuring range 100 240 V AC Measuring accuracy at UN 100 V 25 70 C 2 00 Measuring accuracy at UN 240 V 25 70 C 0 85 Intrinsic consumption 7 5 W Permissible frequency range 50 60 Hz Overvoltage category IV Input current Max 1 5 A at 100 V AC Max 0 63 A at 240 V AC Power consumption Max 150 W Intern...

Страница 122: ...Table 33 Permissible ambient conditions Interfaces Interface Pin Description 4 GND 6 A 9 B Table 34 X6 COM1 RS485 14 7 Technical data for the motor drive unit Operating temperature 25 C 70 C Storage temperature 25 C 85 C Air pressure Corresponds to 2000 m above sea level Degree of protection IP66 Installation site Indoors outdoors Table 35 Permissible ambient conditions Length 10 m Connections pre...

Страница 123: ... III 30D 24 MD C 15 Drawings 15 1 Information on the drawings in the appendix The drawings listed in this section are examples The delivered product may deviate from these examples The drawings that you receive with the order confirmation are definitive 15 2 Dimensional drawings ...

Страница 124: ...IZATION 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 A2 1 3 775 41 5 150 8 302 3 150 8 583 150 8 109 172 7 188 1 3 20 1 3 85 134 Y 454 7 TRANSFORMER COVER TRANSFORMER COVER TRANSFORMER COVER...

Страница 125: ...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 A2 Y 19 8x 150 8 63 9 DRILLING TEMPLATE TRANSFORMER COVER PROVIDED BY CUSTOMER TOP VIEW 131 0 3 300 0 3 163 0 2 81 5 0 2 5 5 0 1 162 0 2 84 5 0 2...

Страница 126: ...TED MASCHINENFABRIK REINHAUSEN GMBH COPYRIGHT RESERVED 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 A2 35 ca 55 ca 88 ca SAME POTENTIAL AS TRANS...

Страница 127: ...15 Drawings Maschinenfabrik Reinhausen GmbH 2021 127 8209941 00 EN ECOTAP VPD III 30D 24 MD C 15 3 High voltage connection diagrams ...

Страница 128: ...TIERSTELLUNG ADJUSTMENT POSITION BETRIEBSSTELLUNG SERVICE POSITION BEZEICHNUNG DER WÄHLERKONTAKTE DESIGNATION OF TAP SELECTOR CONTACTS BEZEICHNUNG DER STELLUNGEN DESIGNATION OF POSITIONS REGELBEREICH kV REGULATION RANGE kV 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 MOTORANTRIEB MOTOR DRIVE UNIT TS_1_U 1 2 3 4 5 6 7 8 9 C TS_2_V 1 2 3 4 5 6 7 8 9 C TS_3_W 1 2 3 4 5 6 7 8 9 C SCHALTBILD...

Страница 129: ...IEDENE SPANNUNGEN DIFFERENT VOLTAGES JUSTIERSTELLUNG ADJUSTMENT POSITION BETRIEBSSTELLUNG SERVICE POSITION BEZEICHNUNG DER WÄHLERKONTAKTE DESIGNATION OF TAP SELECTOR CONTACTS BEZEICHNUNG DER STELLUNGEN DESIGNATION OF POSITIONS REGELBEREICH kV REGULATION RANGE kV 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 MOTORANTRIEB MOTOR DRIVE UNIT TS_1_U 1 2 3 4 5 6 7 8 9 C TS_2_V 1 2 3 4 5 6 7 8 9...

Страница 130: ...15 Drawings Maschinenfabrik Reinhausen GmbH 2021 130 8209941 00 EN ECOTAP VPD III 30D 24 MD C 15 4 Dimensional diagram for control unit 10014680 ...

Страница 131: ......

Страница 132: ...hausen GmbH Falkensteinstrasse 8 93059 Regensburg 49 0 941 4090 0 sales reinhausen com www reinhausen com 8209941 00 EN ECOTAP VPD III 30D 24 MD C F0402200 07 21 Maschinenfabrik Reinhausen GmbH 2021 THE POWER BEHIND POWER ...

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