What Is A Load Bank Used For?

In every electronic system there is an electronic load or amount of voltage that carries the system. Every part of the system must be able to handle the electronic load to be transferred. To test a system's ability to handle this voltage, a load bank is used. It simulates a full load and full capacity of the system without having to interrupt operations to complete the test and without the risk of exposing expensive equipment to an untested system.
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An Inductive Load Bank Tests Lagging Power Factor Loads

The level of the inductive load is usually 70% of the corresponding ohmic load. With this type of device the user can test a mix of different load types in a commercial environment. A leading power factor load is generated in a capacitive load bank. These devices are useful for testing the load on systems used in the telecommunications or computer industries.

A test with a load bank simulates the actual operation by applying the load on site, with its real temperatures and relative humidity. However, it is not an exact reproduction. The load bank only draws power for testing the infrastructure and then releases it reliably as heat.Load banks are either mobile or permanently installed. Permanently installed load banks are suitable for outdoor use, while portable load banks can be moved in the data center and between locations in order to be able to test specific power supply constellations.
Load banks cannot mimic the random spikes and dips in power consumption of real data center equipment, but they can approximate the equipment's requirements with high accuracy in a controlled environment. Load tests should be included in the maintenance schedules. Capacitive load banks or capacitor banks, often test UPS and other electronic loads by creating a leading power factor. aktif.net/ power supply provider offers load bank tests as a service.
Source : https://aktif.net/en/product-and-services/Load-Banks/load-bank