DC cabling solution from Amphenol monitors for power generation, ground faults and fire protection

Facebook
Twitter
LinkedIn
Reddit
Email

Amphenol Industrial is offering a new active trunk and drop cabling solution, in conjunction with Ampt, a designer of active electronics for PV solar modules. The new cabling solution is claimed to reduce the cost of commercial and utility-scale PV systems.

Problem

This article requires Premium SubscriptionBasic (FREE) Subscription

Try Premium for just $1

  • Full premium access for the first month at only $1
  • Converts to an annual rate after 30 days unless cancelled
  • Cancel anytime during the trial period

Premium Benefits

  • Expert industry analysis and interviews
  • Digital access to PV Tech Power journal
  • Exclusive event discounts

Or get the full Premium subscription right away

Or continue reading this article for free

Rapidly declining module prices is placing increasing pressure on BOS cost reduction. Providing a simplified alternative to conventional DC wiring in PV systems, by replacing conventional trunk wiring design would reduce installation costs significantly.

Solution

Comprised of one major cable conductor with a number of smaller cables connected to a PV panel, the new assembly allows for up to 40% more modules per string as well as lower current carrying requirements. Ampt's integrated smart technology monitors power generation, ground faults and fire protection on the assembly.  When paired with Amphenol's ModLink junction box, the new active trunk and drop cabling solution also maximizes the output of each module, recovers degradation losses, removes the risk of module obsolescence, improves system run time and lowers energy costs. Providing a simplified alternative to conventional DC wiring in PV systems, Amphenol's active trunk and drop cabling replaces the typical trunk wiring design with its pre-fabricated wire harness assembly. 

Applications

Commercial and utility-scale PV systems.

Platform

Integrated into Amphenol's ModLink junction box, Ampt's active electronics effectively turn the module from a current source into a power source, monitoring power generation conducted down the trunk and drop cable assembly, while providing power monitoring and optimization for solar panels attached by a wire harness.

The ModLink junction box base has built-in industry standard connections that allow a direct connection between panels using jumper cables available in various standard lengths. The ModLink base can accept a range of smart modules such as DC/DC converters/optimizers, micro-inverters or monitoring modules. Optional wireless communication is also provided with each PV module to eliminate the need of 'smart' string combiners.

Availability

February 2012 onwards.
 

Read Next

August 3, 2026
India’s electricity regulator, CERC, has proposed restoring interstate transmission charge waivers for delayed renewable energy projects.
Premium
August 3, 2026
India approves US$531.7 million Pradhan Mantri Surya Sarovar Yojana (PMSSY) scheme for 5GW floating solar PV with co-located BESS deployment.
August 3, 2026
Glenn Davis at Kiwa PI Berlin writes about why quality assurance has become one of the foundations for a solar PV project's bankability.
August 3, 2026
TotalEnergies has acquired a 4GW renewable energy portfolio from fellow oil major Shell, which includes 500MW of solar PV and wind assets.
August 3, 2026
A US court has upheld a FERC plan to speed up the permitting process for connecting energy projects to the grid.
August 3, 2026
IPP Sonnedix has closed a €730 million (US$841 million) financing for the refinancing, optimisation, and construction of renewable energy assets across Southern Europe.

Upcoming Events

Solar Media Events
October 13, 2026
San Francisco Bay Area, USA
Solar Media Events
November 3, 2026
Málaga, Spain
Solar Media Events
November 24, 2026
Warsaw, Poland
Solar Media Events
April 20, 2027
Istanbul, Türkiye