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Impulses
- Impulses overview
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Transformer manufacturers
- South America's champions of the energy transition
- Traction Transformers – Future on the Rail
- Time of the giants: XXL transformers for more power
- "Reinhausen is ready to deliver!"
- Oversized de-energized tap-changers
- The most powerful transformers in the world for a 1,100 kV HVDC line in China
- "We are in a growth market with the VRDT"
- Digitalization turnaround: GANZ Intelligent Solutions relies on cooperation with MR
- "Transitioning to a solution provider presents a major opportunity for transformer manufacturers – and digitalization can help!"
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Digitalization
- How AI can lend a hand
- myReinhausen: MR's central digital customer platform
- Why data centers (may) never fail
- Automation? (Cyber-) Secure!
- Globally unique: MESSKO® MTRAB® dehydrating breather communicates via cell phone app
- Remote Solutions: Professional help from a distance
- "Digitalization of the power grids will only work with comprehensive security measures"
- Why are you digitizing your transformers? Three questions for Rúnar Svavar Svavarsson.
- Six challenges, six solutions – Intelligent sensors for safe transformers
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Energy transition
- 5 theses on the energy transition
- The VRDT is the ideal solution to solve voltage problems in our distribution grids
- Making transformers more sustainable
- 940 tons of power regulation
- Sunny prospects: Municipal solar storage devices
- Four reasons why regulated distribution grids are the future
- "The energy transition is taking place in the distribution grids"
- Five theses on the future of power grids
- Storage at all network levels
- Test systems for the energy revolution
- Climate change, energy revolution and the future of power grids?
- A new design for utility poles
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Wind and solar power
- The North Sea as Europe's green power plant
- Sahara electricity - safe for the island
- Are wind farms the new power plants?
- Direct current at all grid levels
- The MSCDN plant – the new "power plant generator" for stable grids
- Clean power grid with high-frequency filters
- Weatherproof cable testing for offshore wind parks
- VRDTs for Australia's distribution grids
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Lifetime optimization
- Precise condition assessment of transformers with TESSA® APM
- Digital transformer check - MR provides training at thyssenkrupp's steelworks
- How ISO 55000 facilitates asset management
- Clever fleet management for transformers
- Retrofit: Bushing monitoring for phase shifters
- Retrofit: Breathing new life into old transformers thanks to new tap changers
- Power supply in industry
- Globalization
- Impulses overview
-
Transformer manufacturers
- South America's champions of the energy transition
- Traction Transformers – Future on the Rail
- Time of the giants: XXL transformers for more power
- "Reinhausen is ready to deliver!"
- Oversized de-energized tap-changers
- The most powerful transformers in the world for a 1,100 kV HVDC line in China
- "We are in a growth market with the VRDT"
- Digitalization turnaround: GANZ Intelligent Solutions relies on cooperation with MR
- "Transitioning to a solution provider presents a major opportunity for transformer manufacturers – and digitalization can help!"
-
Digitalization
- How AI can lend a hand
- myReinhausen: MR's central digital customer platform
- Why data centers (may) never fail
- Automation? (Cyber-) Secure!
- Globally unique: MESSKO® MTRAB® dehydrating breather communicates via cell phone app
- Remote Solutions: Professional help from a distance
- "Digitalization of the power grids will only work with comprehensive security measures"
- Why are you digitizing your transformers? Three questions for Rúnar Svavar Svavarsson.
- Six challenges, six solutions – Intelligent sensors for safe transformers
-
Energy transition
- 5 theses on the energy transition
- The VRDT is the ideal solution to solve voltage problems in our distribution grids
- Making transformers more sustainable
- 940 tons of power regulation
- Sunny prospects: Municipal solar storage devices
- Four reasons why regulated distribution grids are the future
- "The energy transition is taking place in the distribution grids"
- Five theses on the future of power grids
- Storage at all network levels
- Test systems for the energy revolution
- Climate change, energy revolution and the future of power grids?
- A new design for utility poles
-
Wind and solar power
- The North Sea as Europe's green power plant
- Sahara electricity - safe for the island
- Are wind farms the new power plants?
- Direct current at all grid levels
- The MSCDN plant – the new "power plant generator" for stable grids
- Clean power grid with high-frequency filters
- Weatherproof cable testing for offshore wind parks
- VRDTs for Australia's distribution grids
-
Lifetime optimization
- Precise condition assessment of transformers with TESSA® APM
- Digital transformer check - MR provides training at thyssenkrupp's steelworks
- How ISO 55000 facilitates asset management
- Clever fleet management for transformers
- Retrofit: Bushing monitoring for phase shifters
- Retrofit: Breathing new life into old transformers thanks to new tap changers
-
Power supply in industry
-
Globalization
- Portfolio
-
Career
-
Company
On-Load Tap-Changers
We invented the on-load tap-changer, and pioneering innovations are still coming to us all the time
Beginning with OILTAP® technology, we were the world market leader in transformer tap-change operations.
Our VACUTAP® technology revolutionized the on-load tap-changer yet again. Because the tap-change operation happens in a vacuum, our products are generally maintenance-free, which allows the life cycle costs of our customers to be drastically reduced.
Today, our wide product range includes vacuum switches for all types of transformers and applications, from network transformers to special applications.
Quality and reliability
Quality and reliability
And of course, with all MR on-load tap-changers you benefit from the well-known MR quality and reliability.
Five reasons why you should choose MR on-load tap-changers:
- unmatched experience
- superior technical solutions
- multi-certified quality
- excellent lifetime support
- full system capability
VACUTAP® | VVS® | VV® | VM® | VR® | VRL® | VT® | AVT | RMV-II |
Max. rated through-current (1-phase) | - | 400 A | 1500 A | 1600 resp. 2600 A * | 3200 A | 500 A | - | 2500 A |
Max. rated through-current (3-phase) | 400 A | 600 A | 650 A | 1600 A | - | 500 A | 170 A | 2500 A |
Max. rated step voltage | 1300 V | 2000 V | 3300 V | 6000 V | 6000 V | 900 V | 500 V | 1000 V |
Max. rated switching capacity (1-/3-phase) | 400 kVA | 700 kVA | 3500 / 1625 kVA | 6000 kVA | 10000 kVA | 250 kVA | 75 kVA | 2500 kVA |
Highest voltage for equipment Um | 40 - 76 kV | 40 - 145 kV | 72,5 - 300 kV | 72,5 - 420 kV** | 72,5 - 420 kV | 40,5 kV | 11,5 kV | 70 kV |
Application at neutral point (3-phase) or at any selectable winding position: |
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Operating positions without change-over selector | - | max. 12 | max. 22 | max. 18 | max. 18 | max. 9 | max. 9 | max. 17 |
Operating positions with change-over selector | max. 19 | max. 23 | max. 35 | max. 35 | max. 35 | - | - | max. 33 |
ECOTAP® | VPD® I | VPD® III | VI |
Number of phases | 1 | 3 | 3 |
Max. rated through-current | 30 A | 30 A / 100 A | 400 A |
Max. rated step voltage | 825 V | 825 V | 1500 V |
Max. rated switching capacity | 24,75 kVA | 82,5 kVA | 600 kVA |
Highest voltage for equipment Um | 36 kV | 36 kV / 40,5 kV | 76 - 123 kV |
Application at neutral point or at any selectable winding position: |
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Operating positions without change-over selector | max. 9 | max. 9 | max. 14 |
Operating positions with change-over selector | - | max. 17 | max. 27 |
OILTAP® | V | G |
Max. rated through-current (1-/3-phase) | 200 / 400 A | 4500 / 2000 A |
Max. rated step voltage | 1500 V | 5000 V |
Max. rated switching capacity (1-/3-phase) | 525 kVA | 6500 / 5000 kVA |
Highest voltage for equipment Um | 40 - 123 kV | 72,5 - 362 kV |
Application at neutral point (3-phase) or at any selectable winding position: |
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Operating positions without change-over selector | max. 14 | max. 18 |
Operating positions with change-over selector | max. 27 | max. 35 |
ECOTAP® VPD® I
ECOTAP® VPD® III
ECOTAP® VI
VACUTAP® VVS®
VACUTAP® VV®
VACUTAP® VR®
VACUTAP® VRL®
VACUTAP® VM®
VACUTAP® VT®
VACUTAP® AVT
VACUTAP® RMV-II
VACUTAP® VBO®
OILTAP® V
OILTAP® G
We are here for you. Wherever you are.
Looking for the right contact partner?
Do you have a concern, but don't know whom you should contact? You will find that information in our contact overview. In the event of any technical disturbances, our 24/7 support is always at your disposal.
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