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Power Distribution Units

High-Density Power Distribution Units (PDUs)

High-density grid computing requires a completely different approach to cooling or rather lack of cooling and use of outdoor air. Similarly, it requires a different approach to how the power and layout are managed within the hanger. 

This article focuses on the distribution of electricity within a rack. There are several approaches to this and one such process is explained below.

Recommended process to perform:

1. Phase AC-3 is mandatory to enter high density. It is efficient and scalable. It presents challenges such as load balancing across phases A-B-C of a three-phase circuit.

2. High-density sockets (HDOs) are mandatory. Standard sockets cannot be used because they cause a form factor problem such as operational problems of cable management or standard sockets that simply use an expensive width over the hanger area.

Alternating stages inside the sockets solve the balancing problems of the A-B-C stages in a three-phase circuit. It is best to resolve the stage balance in the stand rather than in the PDP floor RPP fixture at the power fixture or even at the floor level.

4. It is important to measure your load configuration at multiple intervals. There are several ways to solve this problem: hardware input measurement software etc. Software is more common now. Using IPMI interfaces to capture such information is better agile and detailed.

5. The mesh cabinets are populated with a more crowded port.

6. Mesh cabinets require fewer sockets but more electricity. Links of 10G 40G 100G and even 400G that are growing pretty fast means you need to provide more power to the port. Power must also be truly redundant. Failure in a network closet is much more expensive than server/computing failure.

7. High-density faucet boxes can reduce the number of faucet crates by turning the hallway into a hallway and by allowing many circles to be added to a single rack. Considering these high-level points here are some of the unique solutions.

1. 35.2KW 0U High Density 108 Outlet Rack PDU Cabinet Configuration

2. 8.8KW 2U High-Density PDU Outlet Shelf Configuration 24 for Network Cabinet

3.8KW 1U High Density 12 Outlet Rack PDU Network Cabinet Configuration

There are basic challenges with the inventory of lead times and the ability to place them around the world in different configurations for layouts. The best solution to overcome it could be to stock the units in large quantities of at least 400+ unit quantities.

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