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Precision-Engineered to Power the Future of Wind

Tailored Slip Ring Solutions for Wind Turbine Systems
- High reliability
- Long service life
- Less maintenance

Precision-Engineered to Power the Future of Wind

NBG-Pioneering Wind Turbine Slip Ring Technology Since 2008

We deliver both standard and customized slip ring solutions for the wind power industry — focusing on higher efficiency, enhanced reliability,
and space optimization. Proven in the field, NBG’s slip rings meet the most demanding industry standards,
ensuring round-the-clock performance and unmatched durability even in extreme environments.

Offshore Wind Turbine Pitch Slip RingsOffshore Wind Turbine Pitch Slip Rings

Offshore Wind Turbine Pitch Slip Rings

Offshore wind turbines face extreme challenges such as temperature fluctuations, high humidity, high altitudes, salt spray corrosion, vibration, and harsh weather conditions. These factors make maintenance difficult and costly. The introduction of NBG's less maintenance slip rings effectively addresses these pain points, helping turbine manufacturers and owners reduce maintenance costs and minimize turbine downtime. As a result, NBG's slip rings are highly favored by leading turbine manufacturers.

IP levelIP65 /IP67
Anti-Corrosion DegreeC4/C5
Rated CurrentUp to 250A
Peak CurrentUp to 500A
Signal Transmission TypeCAN, Ethernet, Profi-bus, AS-bus, fiber optical
RobustnessCould run in the harsh environment,like heavy vibration and severe temperature differences
ConfigurationEncoder, Heater, Connector...
MaintenanceLess maintenance (No maintenance required for the first two years; thereafter, maintenance is required once per year)
Models4.xMW.5.xMW.6.xMW.8.xMW.12.x-16.xMW
Check Catalog

Onshore Wind Turbine Pitch Slip Rings

Onshore wind turbines must operate under complex conditions such as extreme temperatures, high humidity, high altitudes, vibration, and harsh weather. These environments demand high signal transmission quality from slip rings. NBG's onshore pitch slip rings need less maintenance, highly reliable, and feature exceptional longevity, making them one of the best-selling and most trusted models in the wind power industry.

IP levelIP65
Rated CurrentUp to 250A
Peak CurrentUp to 500A
Signal Transmission TypeCAN, Etheret, Profi-bus, AS-bus, fiber optical
ConfigurationEncoder, Heater, Connector...
RobustnessCan run in the harsh environment,such as heavy vibration and severe temperature differences
MaintenanceLess maintenance (No maintenance required for the first two years; thereafter, maintenance is required once per year)
Models1.xMW、2.xMW、3.xMW、4.xMW
Check Catalog
Onshore Wind Turbine Pitch Slip RingsOnshore Wind Turbine Pitch Slip Rings
NBG Wind Power Pitch Control Slip Ring
ModelPower Rings No.Signal Rings No.Detail
NSW389.1001526
NSW389.20031022
NSW389.5001521
NSW389.1003416
NSW389.2007415
NSW389.2008522
NSW389.1005516
NSW389.2011516
NSW389.3002721
NSW389.2018818
NSW389.2019815
NSW389.1007510
NSW389.1008317
NSW308.2022714

—Our Pitch Slip Rings

Less Maintenance, High Reliability, Ultra-Long Lifetime

—Our Pitch Slip Rings—Our Pitch Slip Rings

Wind turbines operate under extremely complex conditions. To ensure high availability and low operating costs, pitch slip rings must remain maintenance-free and fault-free over long periods, requiring extremely high reliability.

NBG has developed silver alloy fiber multi-point contact technology, which gives its slip rings exceptional reliability and an extremely long service life, making them highly favored by wind turbine manufacturers.

—Our Pitch Slip Rings

Verified by real experimental data — Benefit to the superior performance of NBG’s silver alloy fiber multi-point contact technology, the experimental results shown above demonstrate that NBG slip rings achieve an ultra-long lifespan of 300 million revolutions without any maintenance. Within this range, the dynamic resistance fluctuation of each channel remains below 20mΩ, clearly showcasing excellent signal transmission quality.

After-Sales Service

(Innovative Services, Creating Maximum Value for You)From the moment you choose NBG, our comprehensive partnership begins. As part of NBG's global customer service system, you will experience a complete service solution that meets all your needs, delivers exceptional value, and offers unparalleled excellence.


—24-hour service response

—Comprehensive service network

—Rapid logistics system

—Professional engineers

Professional Manufacturing & Services

Fundamental Research

A dedicated team conducts foundational research impacting slip ring performance and quality, encompassing friction pair design and validation, precious metal plating, capacitive coupling wireless transmission, and more.

Fundamental Research

Molding

NBG operates its own machining and injection molding tooling workshops, enabling direct injection molding production. Our tooling engineers possess over 20 years of experience in machining and injection molding tooling.

Pre-Sales Technical Support

Specialized engineers engage in technical discussions with clients to thoroughly understand their requirements. From a value-creation perspective, they provide consulting advice, recommend optimal technical solutions and configurations, and finalize technical agreements.

Machining

NBG workshops are equipped with advanced CNC machine tools for high-precision machining of components.

Machining

Product Development

NBG possesses industry-leading technology with design experience spanning over 300 variable-pitch slip ring models. Having delivered more than 80,000 units, we are the most experienced and highest-volume supplier in the industry.

Product Development

Assembly

NBG adopts lean manufacturing principles and integrated design assembly line production methods to ensure high-quality, high-efficiency, and timely delivery of products.high product quality, efficiency, and timely delivery.

Verification And Reliability Testing

Equipped with cutting-edge testing facilities, NBG conducts comprehensive process validation and full-spectrum reliability testing. This encompasses complete testing cycles including high/low temperature cycling, high humidity shock, vibration impact testing, current endurance testing, corrosion resistance testing, aging tests, and service life evaluation.

Quality Control

NBG adheres to APQP4WIND requirements. All processes undergo validation, all products undergo reliability testing, and each production process is traceable through the MES system. Strict 1QC, PQC, and OQC ensure rigorous quality control.

Quality Control

Strict Product Testing

Life Testing
Salt Spray Testing
Vibration Testing
Electrical Performance Testing
Life Testing
Salt Spray Testing
Vibration Testing
Electrical Performance Testing

FAQ

Can pitch slip rings be customized for my turbine model?

What electrical and mechanical specifications should I consider when selecting a pitch slip ring?

What installation and maintenance support do you provide?

What vibration and shock tolerance do they offer?

How do pitch slip rings perform under extreme environmental conditions (icing, sand, salt)?

Do you offer EMI/RFI shielding and grounding features?

CONTACT US FOR
WIND TURBINE SLIP RING SOLUTIONS !

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