Repeater-Builder Backup and Alternative Power Information Index

Back to Home Backup and Alternative Power Projects, Articles and Reference Material
Contributions are ALWAYS welcome

The information presented in this section is copyrighted by repeater‑builder (the author's copyright, if any, supercedes it).

This page contains articles related to alternative and backup power systems, such as Uninterruptable Power Supplies (UPSes), Battery Backups (BB), Photo-Voltaic (PV), and other sources of energy besides the regular commercial (mains) power.

Repeater-Builder welcomes artlces about implementation and modification of such systems.

UPS-related Information:

UPS Technologies An explanation of the major UPS technologies, common power problems, and information about choosing the right unit to solve them. Summarized from information on the web.

Testing the switching time of UPS units By Robert W. Meister WA1MIK
Some units switch faster than others. This article ran some tests and captured some waveforms from a couple of common UPS models.

Modifying an APC SU1000 for extended run-time By Robert W. Meister WA1MIK
The run-time of a UPS is directly related to the battery capacity. It's relatively easy to install larger batteries in the APC SU1000 models. This article shows you how to do it.

VK3EM Sealed Lead Acid Battery Charger Off-site link to his article.

One manufacturer's explanation of various battery technologies Off-site link to their article.

One manufacturer's explanation of various standby and UPS power systems Off-site link to their article.

The SBS & UPS tutorial from Falcon Electric
Great explanation of the various technologies.

Back to the top of the page
Back to Home

This page originally posted 23-Dec-07.

This web page, this web site, the information presented in and on its pages and in these modifications and conversions is © Copyrighted 1995 and (date of last update) by Kevin Custer W3KKC and multiple originating authors. All Rights Reserved, including that of paper and web publication elsewhere.

	UPS Technologies An explanation of the major UPS technologies, common power problems, and information about choosing the right unit to solve them. Summarized from information on the web.
	Testing the switching time of UPS units By Robert W. Meister WA1MIK Some units switch faster than others. This article ran some tests and captured some waveforms from a couple of common UPS models.
	Modifying an APC SU1000 for extended run-time By Robert W. Meister WA1MIK The run-time of a UPS is directly related to the battery capacity. It's relatively easy to install larger batteries in the APC SU1000 models. This article shows you how to do it.
	VK3EM Sealed Lead Acid Battery Charger Off-site link to his article.
	One manufacturer's explanation of various battery technologies Off-site link to their article.
	One manufacturer's explanation of various standby and UPS power systems Off-site link to their article.
	The SBS & UPS tutorial from Falcon Electric Great explanation of the various technologies.