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Communication base station DC power supply cabinet

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Communication base station DC power supply cabinet [PDF]

4 FAQs about [Communication base station DC power supply cabinet]

What is a 3G base station converter?

In a 3G Base Station application, two converters are used to provide the +27V distribution bus voltage during normal conditions and power outages.

What is a multi-output power supply design?

Multiple output designs may also employ a complex regulation scheme which senses multiple outputs to control the feedback loop. Voice-over-Internet-Protocol (VoIP), Digital Subscriber Line (DSL), and Third-generation (3G) base stations all necessitate varying degrees of complexity in power supply design.

What types of power systems are used in communications infrastructure equipment?

Communications infrastructure equipment employs a variety of power system components. Power factor corrected (PFC) AC/DC power supplies with load sharing and redundancy (N+1) at the front-end feed dense, high efficiency DC/DC modules and point-of-load converters on the back-end.

How is a 27V DC bus voltage generated?

A 27V DC bus voltage is generated using a dual FET forward converter. This forward converter has two upper FETs, each connected to a primary winding with the appropriate number of turns on the power transformer.

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