EV charging specialist Charge-M8, based in Manchester, has introduced a new and innovative dynamic load balancing device for electric vehicle charging systems worldwide, called Libra. Scheduled for release in September, this device allows multiple EV charger brands to be load balanced together through integrated Open Charge Point Protocol (OCPP) platforms.
Ian Hughes, Charge-M8’s Technical Director, explained: “For our commercial EV chargers, we made a conscious decision not to utilise directly connected load balancing, owing to concerns about reliability and reading accuracy over long distances. From our experience in installations, incoming power supplies are frequently a considerable distance from the EV chargers, especially in commercial settings, making ‘directly connected’ CT clamps unfeasible.”
He added that creating a standalone device that functions independently of hardware and OCPP platforms, and is suitable for both new installations and retrofitting, was the obvious approach.
“Installer-friendly installation and commissioning were key goals,” Hughes noted. “With built-in 4G GSM as standard, and fallback options of Ethernet and Wi-Fi, the Libra device is incredibly straightforward to install.”
Hughes further stated: “When we engaged with our OCPP platform partners and installers, they posed the following questions:
· Q: Can voltage readings and current direction be monitored to account for both import and export?
A: Yes, we integrated this feature into the product’s development.
· Q: Is there a limit to how many CT clamps the Libra device can accommodate?
A: Our standard CT clamps are rated up to 120A, with options for 400A ratings available. For larger systems, Rogowski coils with a 110mmØ are also offered, suitable for 1kVA and above.
· Q: How easy is the commissioning process?
A: We’ve implemented the same 4.3” touchscreen featured in Charge-M8’s commercial EV chargers, making the process easy and intuitive without the need for apps or Wi-Fi hotspots.”
Julian Smith, CEO of Charge-M8, stated: “The launch of the Libra DLB Device is an important step in our evolution towards becoming a manufacturer of commercial EV charging solutions, underpinned by first-rate technical support and commissioning assistance for global installers.
“Following thorough prototype testing in the UK, Europe, UAE, the US, and Canada since November 2023, the Libra device is now ready for release. It integrates seamlessly with over 40 OCPP platforms and is extremely easy for EV installers to implement.”
Charge-M8 is gaining recognition as a leading provider of workplace EV charging solutions. Approved by OZEV for both domestic and commercial installations, the company prides itself on offering technical support from fully qualified installers. Recently, Charge-M8 also secured accreditation from the Buy with Confidence scheme, run by UK Trading Standards, which highlights its commitment to exemplary customer service and integrity.
In an industry with a vast range of EV charging and load balancing options, it’s essential to seek advice from knowledgeable professionals, rather than generic call centres.
For further details and case studies, visit www.charge-m8.com. To schedule an appointment, email sales@charge-m8.com or call 0333 242 3328.