MR ECOTAP VPD I Operating Instructions Manual
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MR ECOTAP VPD I Operating Instructions Manual

On-load tap-changer
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On-Load Tap-Changer
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®
ECOTAP
VPD
Operating Instructions
6107891/02 EN

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Summary of Contents for MR ECOTAP VPD I

  • Page 1 On-Load Tap-Changer ® ® ECOTAP Operating Instructions 6107891/02 EN...
  • Page 2 © All rights reserved by Maschinenfabrik Reinhausen Dissemination and reproduction of this document and use and disclosure of its content are strictly prohibited unless expressly permitted. Infringements will result in liability for compensation. All rights reserved in the event of the granting of patents, utility models or designs.

  • Page 3: Table Of Contents

    Table of contents Table of contents Introduction.........................  6 Manufacturer............................ 6 Completeness.............................  6 Safekeeping............................ 6 Notation conventions ..........................  6 1.4.1 Hazard communication system .......................... 7 1.4.2 Information system.............................. 8 1.4.3 Instruction system .............................. 8 1.4.4 Typographic conventions ............................ 9 Safety.......................... 10 Appropriate use .......................... 10 Inappropriate use..........................
  • Page 4 Table of contents Mounting ...........................  28 Fastening on-load tap-changer to transformer cover................  28 5.1.1 Attaching the ECOTAP® VPD® III........................ 28 5.1.2 Attaching the ECOTAP® VPD® I........................ 32 Connecting tap winding and on-load tap-changer take-off lead ............ 35 Mounting motor-drive unit and control unit .................. 39 Taking measurements ........................
  • Page 5 Table of contents Technical data........................ 64 11.1 On-load tap-changer type designation.................... 64 11.1.1 ECOTAP® VPD on-load tap-changer designation.................... 64 11.1.2 Number of positions and basic connection ...................... 64 11.2 Technical data for the on-load tap-changer .................. 65 11.3 Step capacity diagrams ........................ 67 11.4 Permitted voltage stresses .......................

  • Page 6: Introduction

    1 Introduction 1 Introduction This technical file contains detailed descriptions on the safe and proper in- stallation, connection, commissioning and monitoring of the product. It also includes safety instructions and general information about the prod- uct. This technical file is intended solely for specially trained and authorized per- sonnel.

  • Page 7: Hazard Communication System

    1 Introduction 1.4.1 Hazard communication system Warnings in this technical file are displayed as follows. 1.4.1.1 Warning relating to section Warnings relating to sections refer to entire chapters or sections, sub-sec- tions or several paragraphs within this technical file. Warnings relating to sections use the following format: Type of danger! WARNING...

  • Page 8: Information System

    1 Introduction Pictograms warn of dangers: Pictogram Definition Warning of a danger point Warning of dangerous electrical voltage Warning of combustible substances Warning of danger of 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.

  • Page 9: Typographic Conventions

    1 Introduction Aim of action ü Requirements (optional). ► 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.

  • Page 10: Safety

    2 Safety 2 Safety This technical file contains detailed descriptions on the safe and proper in- stallation, connection, commissioning and monitoring of the product. ▪ Read this technical file through carefully to familiarize yourself with the product. ▪ This technical file is a part of the product. ▪...

  • Page 11: Inappropriate Use

    2 Safety ▪ Ensure that all necessary work is performed by qualified personnel only. ▪ Use the equipment and special tools supplied solely for the intended pur- pose and in accordance with the specifications of this technical file. Permitted electrical operating conditions In addition to the design data in accordance with the order confirmation, ob- serve the following limits for the through-current and the step voltage: In the standard version, the on-load tap-changer is designed for sinusoidal...
  • Page 12 2 Safety Personal protective equipment Loosely worn or unsuitable clothing increases the danger of becoming trapped or caught up in rotating parts and the danger of getting caught on protruding parts. This increases the danger to life and limb. ▪ All necessary devices and personal protective equipment required for the specific task, such as a hard hat, safety footwear, etc.

  • Page 13: Personnel Qualification

    2 Safety 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. ▪...

  • Page 14: Personal Protective Equipment

    2 Safety Electrically trained persons An electrically trained person receives instruction 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.
  • Page 15 2 Safety Personal protective equipment to be worn at all times Protective clothing Close-fitting work clothing with a low tearing strength, with tight sleeves and with no protrud- ing parts. It mainly serves to protect the wearer against being caught by moving machine parts. Safety shoes To protect against falling heavy objects and slip- ping on slippery surfaces.

  • Page 16: Product Description

    3 Product description 3 Product description This chapter contains an overview of the design and function of the product. 3.1 Scope of delivery The product is packaged with protection against moisture and is delivered as follows: ▪ On-load tap-changer ▪ Gasket ▪...

  • Page 17: Variants

    3 Product description 3.3 Variants The ECOTAP® VPD® is available as a 3-phase or 1-phase version. Type ECOTAP® VPD® III ECOTAP® VPD® I Maximum rated through-current 30 A 30 A 100 A 100 A Highest voltage for equipment 36 kV 36 kV 40.5 kV Optional change-over selector Table 4: ECOTAP® VPD® versions In the 1-phase version, the connection contacts are arranged on the left or right side, depending on the order.

  • Page 18: Ecotap® Vpd® Iii Without Change-Over Selector

    3 Product description 3.4.1 ECOTAP® VPD® III without change-over selector The on-load tap-changer without change-over selector has 9 operating posi- tions. Figure 1: Front view of the ECOTAP® VPD® without change-over selector 1 Motor-drive unit 2 Nameplate 3 Sealing module 4 Connection contact 5 O-ring gasket ®...
  • Page 19 3 Product description Figure 2: Rear view of the ECOTAP® VPD® without change-over selector Diverter switch assembly with tran- Selector assembly sition resistor and vacuum inter- rupter ® ® Maschinenfabrik Reinhausen GmbH 2019 6107891/02 EN ECOTAP...

  • Page 20: Ecotap® Vpd® Iii With Change-Over Selector

    3 Product description 3.4.2 ECOTAP® VPD® III with change-over selector The on-load tap-changer with change-over selector has 17 operating posi- tions. Figure 3: Front view of the ECOTAP® VPD® with change-over selector 1 Motor-drive unit 2 Nameplate 3 Sealing module 4 Connection contact 5 O-ring gasket ®...

  • Page 21: Ecotap® Vpd® I Without Change-Over Selector

    3 Product description Figure 4: Rear view of the ECOTAP® VPD® with change-over selector Diverter switch assembly with tran- Selector assembly sition resistor and vacuum inter- rupter Change-over selector assembly 3.4.3 ECOTAP® VPD® I without change-over selector The 1-phase on-load tap-changer is only available without a change-over se- lector and has 9 operating positions.
  • Page 22 3 Product description 1-phase on-load tap-changer with connection contacts on the left Figure 5: Front view, ECOTAP® VPD® I, connection contacts on left 1 Sealing module 2 Motor-drive unit 3 O-ring gasket 4 Connection contact Figure 6: Rear view, ECOTAP® VPD® I, connection contacts on left 1 Selector assembly 2 Diverter switch assembly with tran- sition resistor and vacuum inter-...
  • Page 23 3 Product description 1-phase on-load tap-changer with connection contacts on the right Figure 7: Front view, ECOTAP® VPD® I, connection contacts on right 1 Motor-drive unit 2 Nameplate 3 Sealing module 4 Connection contact 5 O-ring gasket Figure 8: Rear view, ECOTAP® VPD® I, connection contacts on right 1 Diverter switch assembly with tran- 2 Selector assembly sition resistor and vacuum inter-...

  • Page 24: Packaging, Transport And Storage

    4 Packaging, transport and storage 4 Packaging, transport and storage 4.1 Packaging The products are sometimes supplied with sealed packaging and sometimes in a dry state, depending on requirements. Sealed packaging surrounds the packaged goods with plastic foil on all sides.

  • Page 25: Markings

    4 Packaging, transport and storage 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 Fragile Attach lifting Center of mass moisture...

  • Page 26: Storage Of Shipments

    4 Packaging, transport and storage Visible damage If external transport damage is found upon receipt of the shipment, proceed as follows: ▪ Immediately record the identified transport damage in the shipping docu- ments and have this countersigned by the carrier. ▪...

  • Page 27: Unpacking Shipments And Checking For Transportation Damages

    4 Packaging, transport and storage When selecting and setting up the storage location, ensure the following: ▪ Protect stored goods against moisture (flooding, water from melting snow and ice), dirt, pests such as rats, mice, termites and so on, and against unauthorized access.

  • Page 28: Mounting

    5 Mounting 5 Mounting 5.1 Fastening on-load tap-changer to transformer cover NOTICE Damage to the on-load tap-changer and transformer! Damage to on-load tap-changer and transformer due to electrical flashover caused by insufficient distance from the motor-drive unit! ► When positioning the opening in the transformer, ensure a sufficient dis- tance from adjacent energized parts.
  • Page 29 5 Mounting Mount the on-load tap-changer horizontally with the sealing module on the transformer cover. Do not paint the surface 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.
  • Page 30 5 Mounting 2. Clean sealing surfaces on sealing module and underside of transformer cover. Insert O-ring supplied in sealing module. Figure 10: O-ring gasket  CAUTION!  Gradually tighten screws crosswise as described below without warping or deforming. Improper screw connection will result in damage to the on-load tap-changer.
  • Page 31 5 Mounting 7. Tighten screws crosswise with the full tightening torque of 16 Nm. Figure 11: Fastening the on-load tap-changer Pre-tightening torque 9 Nm Full tightening torque 16 Nm 8. Tighten screws again with full tightening torque, working clockwise and tightening one screw after another as far as each screw will go. ®...

  • Page 32: Attaching The Ecotap® Vpd® I

    5 Mounting 5.1.2 Attaching the ECOTAP® VPD® I NOTICE Damage to the on-load tap-changer and transformer! The on-load tap-changer must be fully immersed in insulating fluid. Ener- gized parts of the on-load tap-changer coming into contact with air may re- sult in voltage flashovers that cause serious damage to the on-load tap- changer and transformer.
  • Page 33 5 Mounting 2. Clean the sealing surfaces on the sealing module and the transformer side wall. Insert O-ring supplied in sealing module. Figure 13: O-ring gasket  CAUTION!  Gradually tighten screws crosswise as described below without warping or deforming. Improper screw connection will result in damage to the on-load tap-changer.
  • Page 34 5 Mounting 7. Tighten screws crosswise with the full tightening torque of 16 Nm. Figure 14: Fastening the on-load tap-changer Pre-tightening torque 9 Nm Full tightening torque 16 Nm 8. Tighten screws again with full tightening torque, working clockwise and tightening one screw after another as far as each screw will go. ®...

  • Page 35: Connecting Tap Winding And On-Load Tap-Changer Take-Off Lead

    5 Mounting 5.2 Connecting tap winding and on-load tap-changer take-off lead NOTICE Damage to the on-load tap-changer caused by improper mount- ing! 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.
  • Page 36 5 Mounting ECOTAP® VPD® III on-load tap-changer with change-over selector Figure 16: Insulation spacing for ECOTAP® VPD® III with change-over selector Transformer cover Critical area: Spacing to grounded parts Critical area: Spacing between the phases ® ® ECOTAP 6107891/02 EN Maschinenfabrik Reinhausen GmbH 2019...
  • Page 37 5 Mounting ECOTAP® VPD® I on-load tap-changer without change-over selector Figure 17: Insulation spacing for ECOTAP® VPD® I without change-over selector 1 Transformer side wall 2 Supporting bar 3 Critical area: Spacing to grounded parts NOTICE Damage to on-load tap-changer due to improperly carried out crimp connections! Improperly carried out crimp connections jeopardize safe operation.
  • Page 38 5 Mounting NOTICE Damage to on-load tap-changer due to improperly carried out solder connections! Improperly carried out solder connections jeopardize safe operation. ► The connection contacts may not be shortened. ► The solder connection may only be produced on the end of the connec- tion contacts (approx.

  • Page 39: Mounting Motor-Drive Unit And Control Unit

    5 Mounting Figure 19: Tap winding connection (example for ECOTAP® VPD® I) 2. If the connection contacts have to be bent, observe the aforementioned safety notices and use additional pliers to hold in place during bending so that none of the forces are transferred to the on-load tap-changer. For reasons of accessibility, we recommend starting with the bottom connec- tions.
  • Page 40 5 Mounting 2. Remove transport locking plate and store safely. To avoid contamination and mechanical damage, do not leave the sealing module open for long periods of time. Figure 20: Removing the transport locking plate 3. When mounting for the first time: remove label with warning. Figure 21: Removing the label ®...
  • Page 41 5 Mounting 4. Check the position of the on-load tap-changer: The current operating posi- tion is displayed by the control wheel. Figure 22: Checking operating position (exemplary illustration) 5. Check additionally the position of the shaft of the on-load tap-changer: If the previous on-load tap-change operation has been finished correctly, the arrow on the cam disk is pointing to the arrow in the cover...
  • Page 42 5 Mounting 7. Pull the emergency drive shaft out of the bracket in the sealing module. Figure 24: Removing emergency drive shaft 8. Plug the emergency drive shaft with feather key into the shaft of the on- load tap-changer. Figure 25: Attaching emergency drive shaft 9.
  • Page 43 5 Mounting NOTICE!  Using the emergency drive shaft, turn for every tap-change operation in one direction until one revolution has been completed and the arrow on the cam disk (1) is again pointing to the arrow in the cover (2). Otherwise the tap-change operation is not completed correctly, which may result in damage to the on-load tap-changer and transformer.

  • Page 44: Taking Measurements

    5 Mounting You have to mount and remove the motor-drive unit and control unit several times: 1. After installing the on-load tap-changer, mount the motor-drive unit and control unit and start them up, including automatic adjustment and trial tap-change operations. This first partial commissioning process is needed for you to be able to check the wiring between the on-load tap-changer and transformer in ac- cordance with the following description in the "Taking measure-...
  • Page 45 5 Mounting This requires the motor-drive unit and control unit to be correctly mounted and commissioned in accordance with the operating instructions for the ECOTAP® VPD® MD&C motor-drive unit. These instructions also contain further details of the trial tap-change operations required, automatic adjust- ment, and how to operate the control unit.

  • Page 46: Drying The On-Load Tap-Changer

    5 Mounting Check the transformer configuration in accordance with the supplied con- nection diagrams if the tap-change operation is not in the desired direction. The behavior of the control unit (lowest voltage at smallest or largest posi- tion) can be adjusted accordingly via parameterization. To do so, follow the description in the ECOTAP® VPD® MD&C motor-drive unit operating in- structions, section "Inverting travel commands".
  • Page 47 5 Mounting To prepare for drying, proceed as follows: ü Remove motor-drive unit and control unit as described in the section "Dis- assembly before transformer drying" in the operating instructions for the ECOTAP® VPD® MD&C motor-drive unit. 1. Clean sealing surfaces on sealing module and transport locking plate and check that o-ring is in the correct position.

  • Page 48: Filling Transformer With Oil

    5 Mounting 5.6 Filling transformer with oil For the oil filling of the transformer, use new mineral insulating oil for trans- formers as per IEC 60296 (Specification of unused mineral insulating oils for transformers and switchgear). If approved by the transformer manufacturer, synthetic ester liquids as per IEC 61099 (Specification for unused synthetic organic esters for electrical purposes) or natural ester liquids as per IEC 62770 (Specification for unused natural esters for transformers and similar electrical equipment) can be used...

  • Page 49: Commissioning

    6 Commissioning 6 Commissioning This chapter describes how to commission the device. Commissioning is broken down into the following sections: ▪ Commissioning at the transformer manufacturer's site ▪ Transporting transformer to the operating site ▪ Commissioning at the operating site 6.1 Commissioning the on-load tap-changer at the transformer manufacturer's site Flying parts and spraying of hot oil resulting from on-load tap-...

  • Page 50: Tests On The Transformer

    6 Commissioning 6.1.1 Tests on the transformer Please contact Maschinenfabrik Reinhausen GmbH (MR) if any aspect of the tests is not clear. 6.1.1.1 Electrical high-voltage tests on the transformer WARNING Danger of death or severe injury from explosive gases when...
  • Page 51 6 Commissioning 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. 6.1.1.2 Dielectric tests on transformer wiring The motor-drive unit and control unit are subjected to dielectric tests before delivery.

  • Page 52: Resetting Automatic Adjustment

    6 Commissioning 4. Remove plug connector from terminal X4 on the control unit. Figure 32: Connection cable 5. Wind up connection cable and fix on motor-drive unit. You can then perform the dielectric test. 6.1.2 Resetting automatic adjustment Reset the automatic adjustment prior to transporting the transformer to the installation site.

  • Page 53: Transporting Transformer To The Operating Site

     If you do not package the connection cable correctly, moisture may get in and cause damage to the motor-drive unit. 4. Transport control unit in MR packaging used for delivery. NOTICE!  The control unit is not intended for operation, transport or stor- age outdoors.

  • Page 54: Commissioning Transformer At Operating Site

    6 Commissioning 6.3 Commissioning transformer at operating site WARNING Flying parts and spraying of hot oil resulting from on-load tap- changer overload! The on-load tap-changer can switch currents of up to twice the rated through-current. Higher currents occur when activating transformers (inrush current impulse) or in the event of short-circuits, for example.
  • Page 55 6 Commissioning It may be a good idea to move the on-load tap-changer into a position other than the mid-position. This allows you to reduce the voltage differences be- tween the grids to be connected and thereby minimize the inrush current im- pulse.

  • Page 56: Operation

    7 Operation 7 Operation On-load tap-change operations can be undertaken both manually and auto- matically. You can see the selected operating mode on the LED display on the control unit. In the EXTERNAL CONTROL operating mode, the commands of the PRO CONTROL control unit (available separately) are executed.

  • Page 57: Operating Motor-Drive Unit And Control Unit

    7 Operation NOTICE Damage to the on-load tap-changer! Damage to the on-load tap-changer resulting from switching the on-load tap-changer at impermissible oil temperatures! ► The on-load tap-changer can be operated in the temperature range of the surrounding transformer oil of between –25 °C and +105 °C and in accor- dance with IEC 60214-1 up to +115 °C (during emergency transformer operation in accordance with IEC 60076-7).

  • Page 58: Fault Elimination

    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 to hand: ▪...

  • Page 59: Maintenance

    9 Maintenance 9 Maintenance DANGER Electric shock! Working on the transformer when the transformer is energized can lead to death or serious injuries. ► Switch off transformer on high and low-voltage side. ► Lock transformer to prevent unintentional restart. ► Ensure that everything is de-energized. ►...

  • Page 60: Read Out Software Version (F6)

    9 Maintenance If a problem occurs with the control unit and you want to contact Maschinen- fabrik Reinhausen GmbH, first read out the software version. 9.1.2 Read out software version (F6) To read out the software version, proceed as follows: ü...

  • Page 61: Led Function Test (F3)

    9 Maintenance For functional reasons, the remaining life drops more quickly at the begin- ning of the product life cycle and levels out as the operating time increases. The typical progression of the remaining life is shown below: 100 % 20 % Time Figure 33: Typical progression of the remaining life...

  • Page 62: Checking The Temperature Blocking

    9 Maintenance 4. Press to leave the parameterization menu. 9.1.5 Checking the temperature blocking If you operate the on-load tap-changer with alternative insulating fluids, you must check the function of the temperature blocking. To do so, proceed as follows: ü Check the function of the temperature sensor in accordance with the man- ufacturer's details.

  • Page 63: Disposal

    10 Disposal 10 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. ® ® Maschinenfabrik Reinhausen GmbH 2019 6107891/02 EN ECOTAP...

  • Page 64: Technical Data

    11 Technical data 11 Technical data 11.1 On-load tap-changer type designation The designation of a particular on-load tap-changer model depends on vari- ous features, hence ensuring an unmistakable and non-interchangeable on- load tap-changer designation. 11.1.1 ECOTAP® VPD on-load tap-changer designation Type designation ECOTAP®...

  • Page 65: Technical Data For The On-Load Tap-Changer

    11 Technical data 11.2 Technical data for the on-load tap-changer Type ECOTAP® VPD III 30 ECOTAP® VPD III 100 Number of phases Application At any point in the winding Permitted transformer types Free breathing with oil conservator Entirely oil-filled sealed transformers (without gas cushion) Free breathing with air cushion only in combination with a spe- cial variant of the ECOTAP VPD (on request) Maximum rated through current 30 A...
  • Page 66 11 Technical data Type ECOTAP® VPD I 30 ECOTAP® VPD I 100 Number of phases Application At any point in the winding Permitted transformer types Free breathing with oil conservator Entirely oil-filled sealed transformers (without gas cushion) Free breathing with air cushion Maximum rated through current 30 A 100 A Rated short-time current...

  • Page 67: Step Capacity Diagrams

    11 Technical data 11.3 Step capacity diagrams Step capacity diagram for ECOTAP® VPD® without change-over selector Figure 34: Step capacity diagram for ECOTAP® VPD® without change-over selector 1 ECOTAP® VPD III 30 without change-over selector: 24,750 VA 2 ECOTAP® VPD III 100 without change-over selector: 82,500 VA Rated step voltage Rated through-current ®...
  • Page 68 11 Technical data Step capacity diagram for ECOTAP® VPD® with change-over selector Figure 35: Step capacity diagram for ECOTAP® VPD® with change-over selector 1 ECOTAP® VPD III 30 with change-over selector: 16,500 VA 2 ECOTAP® VPD III 100 with change-over selector: 55,000 VA Rated step voltage Rated through-current ® ®...

  • Page 69: Permitted Voltage Stresses

    11 Technical data 11.4 Permitted voltage stresses The specifications in this section only apply to use in mineral insulating oil in accordance with IEC 60296. Data for alternative insulating fluids is available on request. This section describes the permitted voltage stresses on the tap winding and on-load tap-changer.
  • Page 70 11 Technical data ® Insulation distances for ECOTAP VPD III without change-over selector ® Figure 36: ECOTAP VPD III without change-over selector Insulation distances for ECOTAP® VPD I Figure 37: ECOTAP® VPD I ® ® ECOTAP 6107891/02 EN Maschinenfabrik Reinhausen GmbH 2019...
  • Page 71 11 Technical data ® Insulation distances for ECOTAP VPD III with reversing change-over selector ® Figure 38: ECOTAP VPD III with reversing change-over selector ® ® Maschinenfabrik Reinhausen GmbH 2019 6107891/02 EN ECOTAP...
  • Page 72 11 Technical data ® Insulation distances for ECOTAP VPD III with coarse tap connection Figure 39: ECOTAP® VPD III with coarse tap connection Abbreviations for the rated insulation level: Abbreviations for the rated insulation level Full wave lightning impulse (kV, 1.2/50 μs) Chopped wave lightning impulse (kV, 1.2/50/3 µs) Applied voltage (kV, 50 Hz, 1 min) Table 13: Abbreviations for the rated insulation level:...
  • Page 73 11 Technical data Rated insulation level (voltage magnitudes for delta applications in kV) Highest voltage for equipment: = 36 kV 40.5 kV 40.5 kV Insulation distance Voltage waveform Without change-over Without change-over With change-over selector selector selector LI 1.2/50 µs LIC 1.2/50/3…6 µs AC 50 Hz, 1 min LI 1.2/50 µs LIC 1.2/50/3…6 µs...

  • Page 74: Tapped Winding Potential Connection

    11 Technical data 11.5 Tapped winding potential connection During its switching operation the tap winding is briefly electrically isolated from the main winding by the reversing change-over selector or coarse change-over selector. It then adopts a potential resulting from the voltages of the adjacent windings and coupling capacities for these windings or earthed parts.

  • Page 75: Limit Values For Dielectric Strength And Water Content Of On-Load Tap-Changer Oil

    11 Technical data 11.6 Limit values for dielectric strength and water content of on- load tap-changer oil The following table provides the limit values for dielectric strength (measured in accordance with IEC 60156) and water content (measured in accordance with IEC 60814) of the on-load tap-changer oil for the ECOTAP® VPD® on- load tap-changer.

  • Page 76: Drawings

    12 Drawings 12 Drawings 12.1 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. 12.2 Dimensional drawings ®...
  • Page 77 TAP SELECTOR OUTPUT TERMINAL CONNECTION TERMINALS 1: 3 TRANSFORMER COVER TRANSFORMER COVER 81,8 362,5 81,8 1: 3 81,8 min. TRANSFORMER COVER 7x M6 MA = 6 Nm 1: 1 SEALING SURFACE ON BOTTOM SIDE OF GROUNDING BOLT M8 COVER MUST NOT BE PAINTED, PRIMER ONLY WEIGHT: APPROX 24,6 KG DISPLACEMENT VOLUME: 6,1 DM³...
  • Page 78 PLACE AT LEAST 3 MM OF PAPER INSULATION ON UPPER CONNECTING LEADS FACING THE TRANSFORMER COVER, INCLUDING CONNECTION POINTS, TO ENSURE THE 8x M8 124,5 DIELECTRIC STRENGTH MA = 16 Nm 90,5 TAP-CHANGER CONNECTION CONTACTS MATERIAL: CU-ETP-R250 324 ±0,3 162 ±0,2 DRILLING TEMPLATE: TRANSFORMER COVER PROVIDED BY CUSTOMER...
  • Page 79 THESE COMPONENTS ARE MADE OF NON CONDUCTIVE MATERIALS SAME POTENTIAL AS AREA WITH PARTS AT 71,5 HIGH VOLTAGE POTENTIAL TRANSFORMER COVER SERIAL NUMBER DIMENSION TAP-CHANGER ECOTAP® VPD®   IN mm 36 KV, AS SHOWN FOR 9 OPERATING POSITIONS MATERIAL NUMBER SHEET EXCEPT AS DIMENSION DRAWING   ...
  • Page 80 CHANGE-OVER TAP SELECTOR CONNECTION TERMINALS OUTPUT TERMINAL SELECTOR TERMINALS TRANSFORMER COVER 1: 4 TRANSFORMER COVER 81,8 81,8 1080 81,8 1250 1: 4 min. TRANSFORMER COVER 7x M6 MA = 6 Nm 1: 1 SEALING SURFACE ON BOTTOM SIDE OF COVER MUST NOT BE PAINTED, PRIMER ONLY GROUNDING BOLT M8 WEIGHT: APPROX 34,7 KG DISPLACEMENT VOLUME: 10 DM³...
  • Page 81 PLACE AT LEAST 3 MM OF PAPER INSULATION ON UPPER CONNECTING LEADS FACING THE TRANSFORMER COVER, INCLUDING CONNECTION POINTS, TO ENSURE THE DIELECTRIC STRENGTH 124,5 8x M8 MA = 16 Nm 90,5 TAP-CHANGER CONNECTION CONTACTS MATERIAL: CU-ETP-R250 324 ±0,3 162 ±0,2 DRILLING TEMPLATE: TRANSFORMER COVER PROVIDED BY CUSTOMER...
  • Page 82 THESE COMPONENTS ARE MADE OF NON CONDUCTIVE MATERIALS SAME POTENTIAL AS AREA WITH PARTS AT HIGH VOLTAGE POTENTIAL TRANSFORMER COVER 1: 3 SERIAL NUMBER DIMENSION TAP-CHANGER ECOTAP® VPD®   IN mm 40,5 KV, AS SHOWN FOR 17 OPERATING POSITIONS MATERIAL NUMBER SHEET EXCEPT AS DIMENSION DRAWING   ...
  • Page 83 TAP SELECTOR OUTPUT TERMINAL CONNECTION TERMINALS 8x M8 MA = 16 Nm TRANSFORMER WALL 344,5 125,8 310,2 133,8 min. 7x M6 MA = 6 Nm TRANSFORMER WALL GROUNDING BOLT M8 SEALING SURFACE ON INSIDE OF TRANSFORMER WEIGHT: APPROX 15,5 KG WALL MUST NOT BE PAINTED, PRIMER ONLY DISPLACEMENT VOLUME: 2,8 DM³...
  • Page 84 90,5 TAP-CHANGER CONNECTION CONTACTS MATERIAL: CU-ETP-R250 TOP SIDE 131 ±0,3 DRILLING TEMPLATE: TRANSFORMER WALL PROVIDED BY CUSTOMER (OUTSIDE) Ra 12,5 5,5 ±0,1 81,5 ±0,2 163 ±0,2 SERIAL NUMBER DIMENSION TAP-CHANGER ECOTAP® VPD® IN mm 1-PHASE, 36 kV, AS SHOWN FOR 9 OPERATING POSITIONS LEFT MATERIAL NUMBER SHEET EXCEPT AS...
  • Page 85 234,6 35,2 74,7 SAME POTENTIAL AS AREA WITH PARTS AT TRANSFORMER WALL HIGH VOLTAGE POTENTIAL THESE COMPONENTS ARE MADE OF NON CONDUCTIVE MATERIALS SERIAL NUMBER DIMENSION TAP-CHANGER ECOTAP® VPD® IN mm 1-PHASE, 36 kV, AS SHOWN FOR 9 OPERATING POSITIONS LEFT MATERIAL NUMBER SHEET EXCEPT AS...
  • Page 86 TAP SELECTOR OUTPUT TERMINAL CONNECTION TERMINALS 8x M8 MA = 16 Nm TRANSFORMER WALL 343,7 133,8 143,4 125,8 min. 7x M6 MA = 6 Nm TRANSFORMER WALL 1: 1 GROUNDING BOLT M8 SEALING SURFACE ON INSIDE OF TRANSFORMER WEIGHT: APPROX 15,5 KG WALL MUST NOT BE PAINTED, PRIMER ONLY DISPLACEMENT VOLUME: 2,8 DM³...
  • Page 87 90,5 TAP-CHANGER CONNECTION CONTACTS MATERIAL: CU-ETP-R250 TOP SIDE 131 ±0,3 DRILLING TEMPLATE: TRANSFORMER WALL PROVIDED BY CUSTOMER (OUTSIDE) Ra 12,5 5,5 ±0,1 81,5 ±0,2 163 ±0,2 SERIAL NUMBER DIMENSION TAP-CHANGER ECOTAP® VPD® IN mm 1-PHASE, 36 kV, AS SHOWN FOR 9 OPERATING POSITIONS RIGHT MATERIAL NUMBER SHEET EXCEPT AS...
  • Page 88 35,2 234,6 73,9 SAME POTENTIAL AS TRANSFORMER WALL AREA WITH PARTS AT HIGH VOLTAGE POTENTIAL THESE COMPONENTS ARE MADE OF NON CONDUCTIVE MATERIALS SERIAL NUMBER DIMENSION TAP-CHANGER ECOTAP® VPD® IN mm 1-PHASE, 36 kV, AS SHOWN FOR 9 OPERATING POSITIONS RIGHT MATERIAL NUMBER SHEET EXCEPT AS...

  • Page 89: High-Voltage Connection Diagrams

    12.3 High-voltage connection diagrams 12.3 High-voltage connection diagrams...
  • Page 98 Maschinenfabrik Reinhausen GmbH Falkensteinstrasse 8 93059 Regensburg +49 (0)941 4090-0 +49(0)941 4090-7001 sales@reinhausen.com www.reinhausen.com ® ® 6107891/02 EN - ECOTAP - 01/19 - Maschinenfabrik Reinhausen GmbH 2019 THE POWER BEHIND POWER.

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