You might wonder what UPS (Uninterruptible Power Supply) is and what significance it holds. In this article, we approach these essential devices from an electronic perspective, providing comprehensive information in this field. Join us to learn more.
What is UPS?
The term UPS stands for “Uninterruptible Power Supply,” or simply, a continuous power source. This electronic device is capable of supplying the required electrical power for electronic devices during power outages and, upon power restoration, takes on the responsibility of regulating and maintaining the stability of the city’s power. Additionally, it protects sensitive consumer equipment from noise and disturbances.
Factors Influencing UPS Power Duration
Several factors impact the duration of UPS power delivery, including:
1. The number of systems and loads connected to the UPS
2. The capacity of the batteries used in the UPS input
3. The operational method of the UPS
Functions and Operation of UPS
In addition to providing power during outages, UPS performs other functions:
1. Regulating and adjusting output and input voltages to ensure an acceptable voltage for devices
2. Supplying stable and quality power to consumer equipment continuously
All these functions come into play when the regional power supplier experiences issues. UPS acts as a safety buffer against electrical problems, ensuring that equipment continues its operation without any interruptions.
Types of UPS: A Comprehensive Guide
UPS (Uninterruptible Power Supply) is a fundamental technology in safeguarding electronic equipment against power outages and electrical disturbances. Here, we will delve into various types of UPS to assist you in making an informed choice for your needs.
1. Offline UPS:
In this type of UPS, during a power outage, the device immediately switches to its energy storage circuit. This method is quick and efficient but has a relatively slower response compared to other types.
2. Online UPS:
This type of UPS provides stable and fluctuation-free output for consumer equipment by correcting the input voltage. Its primary function is to maintain the quality and stability of the power, and it goes into Bypass mode if necessary.
3. Line Interactive UPS:
Utilizing a transformer and Bypass mode, this UPS supplies undistorted AC output. During normal operation, the transformer acts as a charger and performs energy transfer.
Key Components of UPS:
1. Battery: Stores electrical energy and supplies power during emergencies.
2. Inverter: Converts DC to AC, providing continuous and stable power.
3. Charger: Charges the battery and converts AC to DC.
4. Rectifier: Converts input AC to DC and charges the battery.
With this informational knowledge, selecting the appropriate UPS for your needs will be easily accomplished.
How to Choose a UPS
In selecting a UPS, accurate calculation of the required power for essential equipment is crucial. These calculations, along with adding a percentage of power for safety, ensure a suitable selection. Attention to technical aspects such as rapid establishment when needed and the use of advanced technologies is also important. Batteries: A Comprehensive Guide
When choosing a battery for a UPS system, there are two main options: internal and external batteries. Here, we will explore each type to help you make an appropriate choice based on your needs.
1. Internal Battery
If the power consumption of the UPS system is relatively low, or space constraints are significant, opting for an internal battery would be suitable. This option not only occupies less space but also pays attention to elegant design.
2. External Battery
When there is a need for higher power, an external battery installed inside a cabinet or rack is used. This option enhances battery capacity and lifespan.
How Long is the UPS Backup Time?
The performance of a UPS directly depends on its backup or support time. When the power is cut, the battery comes into action, ensuring sufficient time for the continued operation of equipment. Accurate calculation of power consumption and the required backup time allows for the selection of a battery with the appropriate amperage.
UPS and Specialized Devices
Some devices require high initial currents, such as printers and motors. A UPS with the ability to manage startup currents prevents damage to these devices. Additionally, in devices with initial thermal cycles, the startup power consumption is a consideration, and the UPS addresses these needs with appropriate settings.
Real Power of UPS: Calculation and Selection Guide
The power in UPS systems depends on various criteria. Here, we will familiarize ourselves with real power, nominal power, apparent power, and battery calculation in UPS.
1. Real Power of UPS
Real power (P) is obtained from the relationship between voltage (V), current (I), and power factor (Cos(α)). This factor is usually between 0.7 and 0.9.
2. Nominal Power of UPS
To calculate nominal power, the formula “Total equipment power/0.6” or “Total current × 220” is used. This value is displayed in volt-amperes.
3. Apparent Power of UPS
Apparent power (P) is obtained by multiplying voltage (V) by current (I). In the market, apparent power is used as a standard for measuring UPS.
4. Battery Calculation in UPS
To calculate battery ampere-hours and backup time, the formula “Power consumption × Backup hours / Battery voltage of the UPS device” is used. Additionally, the required number of batteries is obtained by dividing the “Battery voltage of the UPS device” by 12.
ElectroShield’s Objectives
ElectroShield, through the coordination of its products and collaboration with prominent global brands, aims to provide comprehensive solutions for UPS systems. The diverse products of this company, available in Online, Offline, and Line Interactive models with advanced technology and various capacities, are ready to serve customers. High quality and diversity in selection are the outstanding features of these products.
We appreciate your support until the end of this article. For the purchase of industrial power equipment, contact ElectroShield’s experts.