Understanding Parallel UPS Systems: Basics and Benefits

Today, we live in a power-hungry world. Institutions, particularly businesses
and industries, demand an uninterrupted power supply. A sudden power

outage or even seconds of lapse can lead to colossal, or even worse,
catastrophic losses! Critical data loss, equipment shutdown, and costly
downtime are just some of them.
Usually, businesses implement UPS (Uninterruptible Power Supply) to tackle
these challenges. But relying on a system, particularly when you cannot afford
even microseconds of power failure, can be disastrous. This is where the need
for a parallel UPS system steps in. It is a robust and scalable solution to ensure
businesses run smoothly. Let’s understand them in a little more detail in this
blog.

What is a Parallel UPS System?

A parallel UPS system or setup involves two or more connected UPSs working
as a single unit. Thus, instead of depending on a single unit, these systems
share the load and work as each other’s backup. It refers to teamwork where
each player complements the other. So, even if one fails, the other performs.
Similarly, if one UPS unit in a parallel setup fails, the other keeps running to
ensure seamless power.

How Does a Parallel UPS System Work – Overview

As stated earlier, a parallel configuration involves multiple single UPS units
connected in parallel to support the load. Each unit works independently and
handles a portion of the load, 1/n of the load. Here, n is the number of units
connected in parallel. Thus, a parallel configuration provides scalability and
redundancy. So, if one unit fails, the others continue to support the load,
ensuring an uninterrupted power supply.

What are the Benefits of a Parallel UPS System?

Teamwork is integral to the efficient, smooth, and uninterrupted functioning of
anything. UPS operations aren’t an exception to this universal principle.
Installing a parallel UPS system benefits you in various ways. Let’s look at
some of them.

Increased Reliability

Multiple units working in unison refer to inherent system redundancy. Thus, if
and when one UPS unit fails or experiences hiccups, the other instantly takes
over. Such a backup-based approach helps mitigate the risk of downtime and
increases reliability.

Load Sharing

Every system has a certain load-sharing capacity, beyond which it either
malfunctions or stops completely. Installing parallel UPS systems refers to
sharing loads so that no single unit bears the entire load. Such a setup
distributes the electrical load across multiple devices. It reduces stress on
individual units and prolongs their lifespan.

Enhanced Efficiency

Parallel UPS systems balance power loads and optimize performance. Hence,
they operate more efficiently than a single oversized UPS. While enhancing the
overall efficiency, this also translates into substantial energy and cost savings.

Easier Maintenance

Maintaining a particular UPS system in a parallel setup doesn’t affect the
others in its series. They continue to work normally and supply power. It refers
to zero interruptions during the maintenance duration. Companies that
perform critical operations benefit immensely from such a setup.

Greater Scalability

You know your current power needs. But you wouldn’t always be certain about
your future requirements. Parallel UPS systems allow you to begin small and
expand later. It means you can add more units without a complete system
overhaul.

Factors to Consider While Choosing a Parallel UPS System?

Implementing a parallel UPS system demands a significant investment. Besides,
it requires a custom approach to reap optimal returns in terms of protection
and commercial benefits. Hence, the choice of your system matters. Here’s
how you must choose a parallel UPS system after careful assessment of your
requirements.
 Total Power Load: Calculate your existing power needs accurately and
estimate future growth. It will help you optimize the scalability
advantage.
 Redundancy Level: Determine the level of protection you need. N+1 is
for the most critical systems. N+2 is for environments that need zero
downtime.

 Physical Space and Environment: Assess your space’s dimensions and
unit weight. Ensure your room is adequately ventilated to manage heat
dissipation.
 Maintenance and Service: Choose systems with hot-swappable modules
that enable you to maintain and replace units without a complete
shutdown.

Prepared to Implement a Parallel UPS System in Your Setup?

Then, EnerTech is one of the undisputed choices. We manufacture a range of
UPSs with unrivalled capabilities and features. Our UPSs ensure high reliability
levels for industrial applications with high power levels. Precisely, our product
Online UPS 3Ph-3Ph: HTXi is a type of N+1 or 1+1 parallel redundant UPS.
Some features include;
 Catering to high power supply and reliability
 Load balancing
 High levels of redundancy
 Compatibility with 3-phase generators
 Greater load handling capacity
Our clientele includes companies with diverse industrial applications and large
data centers. The UPS systems we manufacture serve their power
requirements and the critical need for a power supply. So, don’t struggle with
your power needs. EnerTech has the solution for it. Explore our Online UPS
3Ph-3Ph: HTXi and email us at sales@enertechups.com to connect with our
product experts for a detailed discussion.