Photovoltaics: highly thermally conductive materials for inverter electronics


The personalized potting compounds and adhesives from WEVO-CHEMIE GmbH supply not solely the very excessive thermal conductivity required in such purposes but additionally UL 94 V-0 certification, wonderful thermal shock habits in addition to dealing with and processing. of properties applicable to particular purposes.

Locations referred to as Ostfildern-Kemnat in Germany. As a vital a part of each photovoltaic system, inverters guarantee secure and dependable energy conversion. Amongst different issues, the extremely delicate energy electronics – consisting of transformers and chokes – should be capable of stand up to any weather conditions. On the similar time, the growing use of microinverters requires extra focused thermal administration resulting from their compact design. The personalized potting compounds and adhesives from WEVO-CHEMIE GmbH supply not solely the very excessive thermal conductivity required in such purposes but additionally UL 94 V-0 certification, wonderful thermal shock habits in addition to dealing with and processing of properties applicable to particular purposes.

Technological advances concerning photo voltaic inverters have additionally positioned growing calls for on the supplies used – thermal conductivity is only one present instance. It’s because the excessive temperature that happens within the inductors (coils and windings) when the direct present adjustments to alternating present should be dissipated in a goal technique to assure dependable operation in the long run.

Because of their excessive thermal conductivity, Wevo’s personalized potting compounds forestall the inverter from overheating and stand up to steady working temperatures of as much as 130 °C. Their use of microinverters is especially difficult. With the intention to make these elements miniaturised, Wevo produces particular supplies with a thermal conductivity of 1 W / Ok·m and flame retardant properties in keeping with UL 94 V-0.

Secure and dependable energy electronics in any weather conditions

Lifetime stability no matter weather conditions is one other necessary facet in the case of dependable inverter operation. With this in thoughts, Wevo’s polyurethane- and silicone-based supplies are optimized when it comes to water absorption. As well as, potting compounds and adhesives exhibit wonderful temperature shock habits.

The personalized Wevo adhesives additionally make a major contribution to the steadiness of the inverter by preserving the inductors firmly in place and guaranteeing a dependable bond between the fabric and the housing because of their optimized adhesion properties. Along with this, noise and vibration are successfully damped.

Supplies tailored for manufacturing and processing

Moreover the elements that affect long-term operation, Wevo additionally pays explicit consideration to the customized manufacturing course of. For instance, the flowability and curing time (pot life) of polyurethanes and silicones are optimized relying on the client’s necessities.

About Wevo

WEVO-CHEMIE GMBH is a global, impartial, family-run chemical firm headquartered in Germany and with extra corporations in Asia, China and the USA. Wevo develops and manufactures new potting purposes in addition to particular bonding and sealing purposes based mostly on polyurethane, epoxy and silicone – primarily for purposes in electrical and digital elements. Wevo merchandise shield delicate elements in opposition to chemical compounds, vibration, international our bodies, mud, moisture and excessive temperatures.



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