Revolutionizing Marine Equipment: JINPAT's High-Performance Conductive Slip Rings

Slip rings are essential components for power transmission, widely used in many types of machinery. In the marine equipment industry, they play a critical role. JINPAT, as a professional slip ring manufacturer, offers a variety of conductive slip rings specifically designed for marine applications.

Take engineering vessels, for example. Whether it’s small-tonnage telescopic arm cranes or ultra-heavy lifting cranes with steel cable drum systems, they all rely on conductive slip rings. To suit different operating environments, JINPAT has developed marine crane slip rings with an open-frame structure for their high-current series. These slip rings handle high voltages and transmit significant amounts of power. To ensure reliability, JINPAT engineers include heating, cooling, or even both inside the products. For offshore oil platforms, they’ve also designed explosion-proof slip rings to guarantee safe and stable operation.

One standout product is the LPA000-09800-01PE-3020-04L, a high-current, gas-liquid dual-module slip ring designed for professional offshore crane vessels. This slip ring features 9 channels of 800A, one ground channel at 440VAC, and 30 additional channels of 20A at 230VAC. Generally, in offshore equipment, conductive slip rings handle single-channel currents below 1000A and voltages between 380VAC and 600VAC. However, for some specialized equipment, the voltage can go much higher. For instance, deep-sea geophysical research vessels often use slip rings with working voltages above 4000VAC.

Why go for higher voltage? Well, with the same power transmission capacity, higher voltage means lower current, which makes it more efficient for transmitting electricity over longer distances. That’s why deep-sea exploration vessels often rely on conductive slip rings with working voltages above 4000VAC.

Marine conductive slip rings typically fall into two categories. The first is the traditional carbon brush open-frame type, which tends to be larger. A good example is the LPA000-0250-FO04. The second type uses a laminated structure instead of the usual open-frame design. These slip rings use special plastics that can handle ultra-high voltages, ensuring they work seamlessly under voltages above 4000VAC. A great example of this is the LPA000-2650-06S.