High current slip rings and high voltage slip rings are used for communication devices, large machining centers, antenna radar systems, large cranes, mining machines, and large cable reels. High voltage sometimes requires more than 2,000 volts and high current sometimes requires 500 amperes.
High Current/Voltage Slip Rings - DHG Series
Available for Custom, Max. 1000A, Max. 6000V
The insulation materials must have excellent conductivity, corrosion resistance, fatigue resistance, and lubrication performance. When designing the mechanical structure, the characteristics of large currents need to be considered, as well as the electrical insulation design, installation, and maintenance performance.
Although GRAND offers modularized & standardized designs for various application solutions as an original slip ring manufacturer. To create your most suitable high current/voltage slip ring connector, please feel free to contact us.
Feature
- Max. voltage up to 6,000 volts
- Max. ampere up to 1000 A
- Small contact resistance, low heat and long working life
- Aluminium alloy housing, easy installation
Option
- Operating speed
- No. of rings
- Current &voltage
- Installation size
- Connector
- Position of wire outlet
- Housing material
Model Breakdown
Model | ID(mm) | OD(mm) | No. of Rings | Max Rated Current | |
50 | 135 | 4 | 280A |  | |
66 | 202 | 20 | 500A | | |
70 | 176 | 8 | 100A | | |
75 | 185 | 98 | 1000A | | |
75 | 190 | 4 | 400A | | |
80 | 180 | 3 | 250A | |
High Current Slip Ring Typical Applications
High current slip rings are integral components in many industrial and engineering settings. These devices aid in transmitting high current levels from a stationary to a rotating structure without hindering the rotation. Here, we’ll look at some typical applications where high current slip rings are often used.
Wind Energy Systems
High current slip rings play a crucial role in wind turbines. They enable the transfer of high electrical currents from the rotating blades to the stationary nacelle, ensuring consistent power transmission even at high wind speeds.
Heavy Industrial Equipment
Heavy industrial equipment, such as cranes and excavators, utilize high current slip rings to transmit electric power to their rotating parts. For example, in excavators, high current slip rings can transmit power to the rotating cabin without affecting its movement.
Electric Vehicle Charging Stations
In electric vehicle charging stations, high current slip rings can be used in reel systems to enable safe and effective power transmission.
Generators & Alternators
In generators and alternators, high current slip rings transfer current generated from the rotating armature to the stationary load. They are essential for the efficient operation of these electrical machines.
Automotive Industry
High current slip rings are also used in electric vehicles, particularly in steering systems, where power needs to be transmitted from the stationary car body to the rotating steering wheel.
Marine and Offshore Platforms
In marine and offshore platforms where devices need to operate in challenging conditions, high current slip rings prove their reliability by facilitating the continuous operation of radar antennae, turrets, cranes, and propellers.
Amusement Rides
Amusement rides, especially rotating ones like carousels and Ferris wheels, need high current slip rings to provide power for lighting and other electrical systems while the rides are in motion.
High current slip rings are a critical component in many applications. As technology evolves, their applications in various industries are expected to further expand, supporting the continual advancement of machinery and engineering possibilities.
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