Uninterruptible Power Supply (UPS)?

Uninterruptible Power Supply (UPS)

Uninterruptible Power Supply (UPS)?

UPS offers guaranteed power protection for connected electronics. When power fluctuates or gets interrupted outside safe levels, a UPS will provide clean battery backup power instantly for sensitive equipment. APC, a flagship brand of Schneider Electric, offers UPS options for Computers & Peripherals, Networks & Servers, as well as Data Centres & Facilities.

Why a UPS in your home or business?

The electronic devices that we use every day for security, communication and entertainment are at risk of failure and damage due to unexpected voltage fluctuations, blackout and disruptions. UPS provides backup protection and power for electronic devices including;

  • Televisions
  • Computers
  • Gaming consoles
  • Security systems
  • Wireless networking devices
  • Mobile devices

What Size of UPS do you need

Electronic devices have both the maximum VA(volt-ampere) and watt ratings. The ratings are not exceeded by the attached equipment. Watts measures real power drawn by the equipment while the VA is the voltage applied to the equipment times the current drawn

Power Factor

For UPS and computers, VA and Watt ratings can differ, although the VA rating is larger or equal to watt ratings. The ratio of Watts to VA is called the power factor and is expressed either as number or percentage. When sizing a UPS for basic requirements, the power factor matters most. UPS should have an Output Watt Capacity of 20-25% higher than the total power drawn by any attached equipment.

Runtime needed to support your Equipment

Runtime is dependent on what you need to backup with UPS. Runtime is the amount of time a UPS will be able to support a device in the event of power disruption. The more the equipment is attached to UPS, the less runtime you will have, so its necessaly to ensure that your UPS provides the backup power needed to your most critical equipment.

Key Features needed when choosing a UPS

  • Surge-Only outlets, protect secondary electronics from spikes and surges wothput reducing the battery power to run primary electronics during disruptions
  • Replaceable Batteries-Increase availability by allowing trained user perform replacement and upgrades
  • Transformers-protect equipment without blocking access to other receptacles.
  • Wiring Fault Indicator-UPS need an LED indicator that informs the users of potentially dangerous wiring problems in the wall circuits
  • Automatic Self-Test- battery need to be check periodically to ensure early detection of batteries needing replacement.
  • AVR(Automatic Voltage Regulation: Gives high application by correcting high and low voltage condition without use of battery
  • Smart slot-Customize UPS capabilities with network cards
  • Sine wave- Simulates power utility to provide highest compatibility for power factor corrected.
  • Intelligent battery management
  • Scalable runtime
  • Adjustable Voltage transfer points
  • Temperature regulated UPS to prolong battery life
  • Predictive notification ensures proactive component replacement
  • Plug and Play battery which ensures uninterrupted and clean power when adding extra run time

What Power conditions will a UPS battery protect against?

Many problems are derived from the commercial power grid which is subject to damage by ice, snow, storms, lightning, hurricanes and flooding with its thousand of miles of transmission as well as traffic accidents and equipment failure.

Common Devices Powered

  • Computer and Peripherals
  • Network and Servers
  • Data Center and Facilities
  • Special Applications including industrial controls, marine, renewable energy, telecommunications and other configurations
  • UPS management
  • UPS Replacement Batteries

Different Types 0f UPS?

During power failures and surges, EATON UPS keep computer systems and IT equipment safe and operational. A UPS is an important power source especially when flow of electricity drops due to an inadequate voltage. An interrupted power source is vital for the mission critical environment.

What are the different types of UPS?

With three main types of Uninterruptible Power Supplies, UPS systems are available to accommodate a complete range of applications. They meet enterprise and consumer needs. A standby UPS is an offline unit that can detect an electrical failure and switch to battery power automatically. The two other UPS categories are Line Interactive and Online devices, with online being the more expensive option. Each type of UPS keeps network devices operational when power is unavailable. Features, such as energy metering, vary by model.

Standby UPS?

This UPS delivers short term battery sourced power during outage. Hardware receives utility power through a direct AC connection. The Unit with its inverter are essential on hold until backup power is required. Standup battery safeguard sensitive equipment and data from dips, spikes, surges. Compact devices are available for home network connection. The category is the least expensive. A standby UPS may also be referred to as an Offline UPS, a term that differentiates it from the fully uninterruptible, Online UPS. Though fundamental in design, an offline uninterrupted power source delivers backup runtimes for less demanding home and professional environments.

What is Backup UPS?

Battery backup power is initiated with the Backup UPS device, also called a Standby UPS. Following a blackout, a Backup UPS delivers power for short periods of time. When it detects losses, the transfer switch initiates backup processes. Switchover times occur in milliseconds after failure, with response times varying by a standby UPS unit. The switch time is not instantaneous but should not normally interrupt the flow of power to equipment. If a lengthy outage is expected, the battery backup power of the UPS will allow for safe shutdowns, so equipment and data are protected.

What is Online UPS?

An On-line UPS is a type of uninterruptible power supply that utilises either a double or delta conversion technology. With double conversion, network equipment does not receive electricity directly from the AC outlet. Instead, AC power travels to a rectifier, where it becomes DC power. Next, it travels to the battery, and then an inverter. After inversion back to AC, the power is delivered to equipment. With this online UPS device process, computing equipment receives continually clean power.

If an electrical failure occurs, an Online UPS system maintains consistent current flow for the protection of network equipment. Upon fluctuation or failure, the rectifier within the UPS is automatically bypassed, and power is sourced from the battery until restoration occurs. The online UPS circuity is seamless. This is why Online UPS systems cost more than units in the offline or line-interactive UPS categories.

Double Conversion UPS Technology

Sensitive equipment can be protected with double-conversion UPS technology. On-line UPS units are available for a wide range of users. With double-conversion UPS processes, network servers, data centres, and a full scope of environments can be protected, and there is no transfer time in the transition to battery power.

What is Line-interactive UPS?

Line-interactive UPS is one type of uninterruptible power source that can regulate voltage automatically. The line-interactive technology responds to high and low voltage conditions. Units also support systems during outages without battery drainage. With a line-interactive UPS, the electrical source is the first line of power; however, an inverter/converter technology allows for the unit’s battery to be charged throughout normal operations. During an outage, this Uninterruptible Power Supply (UPS) converts battery power to AC flow for device delivery.

Within the category of power protection products, line-interactive UPS systems will safeguard sensitive equipment during brownouts and blackouts. Units in the line-interactive UPS classification are more expensive than standby models but more affordable than an on-line UPS unit.

What is the difference between Online vs. Line-Interactive UPS?

Before buying a power protection unit, you may want to compare on-line versus line-interactive UPS technology. A line-interactive UPS adds an autotransformer to the basic standby design. It has the capability to increase or decrease voltage output. This transformer responds to changes in the AC power and can automatically regulate issues. In comparison, online UPS models use an inverter to transmit all or some of the power, at all times. This means an online UPS can live up to the term “uninterruptible” with a zero transfer time. It takes an interactive UPS a matter of milliseconds to switch into battery backup mode when a failure occurs.

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