Hillcrest Gets Technical Proof of Concept for High Efficiency Inverters

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The company confirms promising advances designed to increase the performance of electric vehicles

VANCOUVER, BC, November 25, 2021 / CNW / – Hillcrest Energy Technologies (CSE: HEAT) (OTCQB: HLRTF) (FRA: 7HIA.F) (“Hillcrest” or the “Company”), a clean technology innovation and -mobility development company, is pleased to announce further proof of concept (PoC) test results on its high efficiency silicon carbide (SiC HEI) inverter confirm the ability to eliminate switching losses and increase switching frequencies without increasing temperatures.

Proof of Concept for SiC HEI

Hillcrest Gets Technical Proof of Concept for High Efficiency Inverters. The company confirms promising advances designed to increase the performance of electric vehicles. As illustrated in the graph, Hillcrest SiC HEI PoC dramatically reduces total system losses as switching frequencies increase (10kHz to 60kHz) compared to a conventional SiC inverter. Total system losses of SiC HEI compared to conventional SiC inverter (CNW Group / Hillcrest Energy Technologies Inc.)

Hillcrest’s SiC HEI PoC test results confirm its exceptional ability to physically eliminate the significant heat generated by switching losses, thereby minimizing temperature rises. The resulting temperature rise is significantly lower than with current inverter technologies. This results in significant potential design improvements for future electric vehicle (EV) powertrains.

These latest test results confirm the electrotechnical proof of concept for SiC HEI as the most efficient inverter of its type, with the ability to significantly increase power density and reduce cost, size and weight for future electric vehicles and other powertrains. for electric mobility.

The SiC HEI PoC is a 10kW / 800V inverter based on silicon carbide (SiC) semiconductors. 800V was selected to match the designs now adopted for use in the latest EV powertrain configurations.

“The company believes that its HEI technology has the potential to offer a new class of energy density in inverters and electrical machines not previously achievable. The ability to significantly reduce overall system losses by completely eliminating switching losses. places Hillcrest at the forefront of inverter technology. innovation, “said Ari Berger, CTO of Hillcrest. “We are excited to share the results we have achieved so far with the SiC HEI and to continue working with our development partners at Systematec GmbH to further improve and optimize with a specific focus on not only eliminating switching losses, but also to the reduction of the total system losses in our SiC HEI inverter. “

A benchmark test compares the performance of SiC HEI PoC with a conventional SiC inverter. The parameters for these tests range from 470V to 870V, with frequencies from 10kHz to 60kHz at each voltage level. However, SiC HEI PoC has successfully demonstrated its ability to eliminate switching losses and increase switching frequencies without increasing SiC temperatures during continuous operation.

As illustrated in the graph, HEI SiC PoC drastically reduces total system losses as switching frequencies increase (10kHz to 60kHz) compared to a conventional SiC inverter.

As the efficiencies achieved by the higher education institution continue to approach theoretical limits, very accurate measurements are needed to accurately quantify the efficiency performance of the higher education institution.

Hillcrest and its development partner, Systematec GmbH, have identified and are currently working to secure specialized third party services with the most accurate and state-of-the-art test equipment that can provide the accuracy required to accurately measure the efficiency of the ‘HEI.

Hillcrest continues to optimize its sophisticated control systems to deliver higher levels of performance for commercial demonstration prototypes.

Hillcrest CEO Don Currie said, “SiC HEI PoC demonstrates the value of Hillcrest’s proprietary combination of innovative power electronics, control methods and system design. We look forward to providing further development updates as soon as they introduce themselves”.

About Hillcrest Energy Technologies

Hillcrest Energy Technologies is a clean technology innovation company that develops transformative energy conversion devices and control systems for next generation powertrain and charging applications. The company is moving from fossil fuel production from its West Hazel Saskatchewan asset to clean energy technologies that help unlock electrification efficiency and maximize the performance of electrical systems, including electric vehicles, motors and electric generators. From concept to commercialization, Hillcrest is investing in developing energy solutions that will power the future. Hillcrest is listed on the CSE under the symbol “HEAT”, on the OTCQB Venture Market as “HLRTF” and on the Frankfurt Stock Exchange as “7HIA.F”.

ON BEHALF OF THE COUNCIL

Donald Currie Chief Executive Officer and Director

NEITHER CANADIAN SECURITIES EXCHANGE NOR ITS REGULATORY SERVICE PROVIDER HAS EXAMINED OR ACCEPTED LIABILITY FOR THE SUITABILITY OR ACCURACY OF THIS RELEASE.

Cautionary statement relating to “forward-looking” information

Some of the statements contained in this press release are forward-looking statements and information under applicable securities laws. Forward-looking statements and information may be identified by the use of words such as “expects”, “intends”, “is expected”, “potential”, “suggests” or variations of such words or phrases, or statements that certain actions, events or results “could”, “could”, “should”, “would like”, “could” or “will” be caught, occur or be achieved. This forward-looking information is provided as of the date of this press release. Forward-looking information reflects our current expectations and assumptions and is subject to a number of known and unknown risks, uncertainties and other factors, which may cause actual results, performance or results to differ materially from any anticipated future outcome, performance or expectations expressed or implied in the forward-looking information. There is no guarantee that these assumptions will prove to be correct. Forward-looking statements and information are not historical facts and are subject to a number of risks and uncertainties beyond the control of the Company. Investors are advised to consider the risk factors under “Risks and Uncertainties” in the Company’s MD&A for the year ending 31 December 2020 available on www.sedar.com for a discussion of the factors that could cause the actual results of the Company, performance and results differ materially from any anticipated future result, performance or result expressed or implied in the forward-looking information. Accordingly, readers should not place undue reliance on forward-looking statements. The Company undertakes no obligation to publicly update or otherwise revise any forward-looking statements, except as required by law.

SOURCE Hillcrest Energy Technologies Inc.

For more information: Don Currie, Tel: + 1-604-609-0006, Toll-free: 1-855-609-0006, [email protected], www.hillcrestenergy.tech

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