Inverters reduce electric motor energy consumption while also offering better control. Processes like aeration, chemical infeed and sewage treatment can be more precisely controlled using inverters on various pumps and motors.

To ensure the intended measures work correctly, overall validation is necessary. This overall validation shall evaluate the design and technical measures, as well as the organizational measures in context.

Inverter controlled pumps are used to match supply to demand throughout the distribution network. They provide more water at peak times and trim it back as demand drops off. Reducing pressure in the distribution network also plays an important role in reducing losses due to leakage.

  • Reduced energy consumption
  • Up to 50% energy savings in aeration blowers
  • Reduced vibration and “water hammer” effect
  • Cleaning/De-ragging function (Pump cleaning)
  • Better control of blower fans and pumps
graph

Graph illustrating the impact of installing FR-F800 inverters


“Rags, wet wipes and towels caused on average 2 clogs per week resulting in 4 hours of tedious service calls to clean out clogs via pump access plates. Mitsubishi’s “De-clogging” feature has eliminated these issues completely over the past 3 months.”

Matt Powers
Murfreesboro City Water




system

Today’s VFDs Can Conquer Clogs and Lower Costs

Get more out of your VFD with advanced technologies

Clogged pumps aren’t only an inconvenience — they can be a serious threat to a municipality’s entire water system. Wastewater treatment plants have a critical responsibility to keep systems running at optimal performance to efficiently process that wastewater.

Technology can help. The wastewater treatment process is made up of several stages, from mechanical and biological treatment to chlorination and filtration. Modern treatment plants have used variable frequency drives (VFDs) to control pumps across every stage, thanks to their long-recognized benefits.

Because VFDs can vary the speed (or frequency) of those pump motors as needed and don’t have to run consistently at top speed, wastewater treatment plants can save big on energy costs. VFDs also help extend motor life and ease motor startup to minimize damage over time.

Improved energy efficiency and longer equipment life can mean greater productivity, which in turn can result in a healthier bottom line and more satisfied residents. All convincing reasons to use VFDs in your wastewater treatment plant. But wait - you might be missing out on additional benefits you hadn’t even considered.

Today’s VFDs leverage advanced technologies that offer a whole new palette of capabilities and benefits, including automatically resolving clogged pumps. The latest VFDs are smarter, smaller, easier to manage and install, and deliver higher performance for even greater efficiency and return on investment.



Reduce Risk of Downtime with a VFD that Eliminates Clogs

Variable frequency drives have long been used in wastewater treatment plants because they offer a range of efficiency and cost-saving benefits, but today’s VFDs can do even more by tackling common industry issues.See how VFDs are leveraging advanced technology to keep treatment plant pumps clear of clogs and running at peak performance.

blog


Easy installation, long-lasting hardware,
5-year factory warranty
warranty

Prevent clogs, unnecessary maintenance & downtime with new de-ragging featurestools

Increase efficiency & energy savings for applications to minimize longterm costs
battery

Resources

On-Demand Webinar - Anti-Clogging with VFDs: What You Need to Know to Avoid Pump Lockup

Variable frequency drives have long been used to optimize control in water/wastewater applications, but VFDs tailored to take on specific challenges in this industry are relatively new. Learn how a VFD can allow you to reliably avoid pump clogging and lockup by executing a forward/reverse timing sequence and removing clogging material from the pump’s impellers, along with other features created to combat common challenges in these applications.In this webcast, Ruben Ortiz, product manager for large capacity drives at Mitsubishi Electric, discusses:

webinar
  • Why pump clogging happens and how the problem is growing
  • The technology behind the anti-clog feature
  • How VFDs increase efficiency and bring down cost


webinar

Telecast - 'Flushable" wipes in pipes causing major damage to sewer systems, homes

Sewer systems across the country are warning customers not to flush those so called ‘flushable’ wipes.’ The products have been growing in popularity since the toilet paper shortage spurred by the pandemic. But unlike toilet paper which disintegrates in water, the wipes don’t break down.

webinar

Tools & Downloads