John East - Articles

Power Continuity Systems have close ties with many industry leaders. Energy Consultancy and Installations. For further information regarding uninterruptible power supplies please visit our website.

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UPS Power Solutions - What Are They?
What can UPS Power Solutions prevent ? Less begin with the most common-'Brownouts', while not a total loss of supply can also affect the normal running of installed equipment causing it to malfunction due to insufficient voltage available to their power supplies to operate correctly and possibly cause overheating. There are... Read
By: John East | 10/05/2008 | Computers
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Uninterruptible Power Supplies - EPO Operations
EPO (Emergency Power Off), this feature on UPS systems can cause many problems to the smooth running of the power protection installation. The primary reason for having this feature is to enable the UPS system to be 'made safe' in the event of an emergency. Operation of the Emergency Power Off... Read
By: John East | 20/11/2007 | Computers
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Battery Life - Expectations
The life of a battery bloc can vary dramatically especially when used in a UPS System , the manufacturer will always state the expected life of a battery bloc on the proviso that it has a pure dc float voltage applied to it and that the ambient temperature is restricted... Read
By: John East | 18/11/2007 | Computers
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Uninterruptible Power Supplies- What Are Their Components?
Rectifier : this part of the UPS converts the incoming alternating current (ac) supply to direct current (dc) and can provide charging current for the battery and also the supply requirements for the inverter. Charger : in a number of UPS systems due to the nature of their design a separate... Read
By: John East | 18/11/2007 | Computers
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Uninterruptible Power Supplies - Design Functionality
The design of the Uninterruptible Power Supply is determined to a large extent by the required function and what level of critical cover is expected to protect the load . At the bottom end of the scale are ' Desk Tops' the Offline UPS system , generally below 1kVA, as its... Read
By: John East | 18/11/2007 | Computers
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UPS - How To Rate A UPS?
The UPS is rated in kVA or for smaller models VA, this is basically the product of the UPS rate output voltage and current. However due to the nature of the electrically complex load that uninterruptible power supplies are required to support manufacturers often derate the UPS. It is often... Read
By: John East | 18/11/2007 | Computers
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Uninterruptible Power Supplies - Installation Options
Single UPS installation As the description implies this represents a single uninterruptible power supply installation comprising of the UPS and battery where the battery can be internal or external and consist of single or multiple strings. Multiple strings can increase the autonomy and also provide greater security of load in the... Read
By: John East | 18/11/2007 | Computers
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UPS Systems - Components That May Fail
Maintenance An uninterruptible power supply is a complex electronic device with a number of components that deteriorate with age and use. It is therefore in the client's interest to have regular maintenance carried out on the UPS to ensure that it is working correctly and that the components that are known... Read
By: John East | 18/11/2007 | Computers
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UPS Maintenance
Generally UPS systems are purchased because there is a requirement to protect the client's essential supplies in the event of a power failure or brownout. Having bought the system however, little consideration is given as to how it will continue to operate over the years. The idea of plug and... Read
By: John East | 18/11/2007 | Computers
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Battery Maintenance
To ensure the integrity of any Uninterruptible Power Supply, Telecommunications 48V system or generator, the lead acid batteries must be checked and maintained. Surprisingly what ever the cost of your Power Protection system, whether it is a stand alone UPS System or Standby Diesel Generators the most common single point of... Read
By: John East | 18/11/2007 | Computers