Blog


21

Jul 2021

Chroma’s 17010 Battery Cell Reliability Test System [VIDEO]

As a key component of EV, the battery cell must pass many rigorous charge/discharge tests to ensure its characteristics and life. The tests directly affect the EV’s performance, cost, and reliability. Driving an EV on the road requires continuous battery charging and discharging and rapid load charging. Chroma 17010 Battery Cell Reliability Test System is a high-precision designed specifically for testing lithium-ion battery (LIB) cells,...

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01

Jul 2021

Major Taiwanese EV Power Supply Manufacturer Adopts Chroma’s HIL Testbed

With the maturity of advanced driver-assistance system (ADAS) technology, the proportion of electronic and electrical systems applied to the automotive field is gradually increasing, as is their impact on its safety. Once the electronic system has a functional failure, it could cause an accident and endanger the vehicle or passengers. In 2011, the ISO 26262 standard on the functional safety of road vehicles was released...

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29

Jun 2021

[Tech Review] Prevent Li-ion Batteries from Catching Fire with Correct Jelly Roll Insulation Test

The continuous increase in energy demand as well as improved performance are simulating the rapid maturing of lithium-ion batteries in large energy applications such as electric vehicles (EV) and various renewable energy storage systems (ESS). However, the rapid increase in battery usage, energy density, and high-speed charging and discharging comes with a rise in fire and explosion incidents. Recent combustions of 3C products have instigated...

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03

Jun 2021

Chroma’s Multi-Coupler EVSE Test Solutions Accelerate EV DC Fast Charging

Market surveys indicate that, by 2025, there will be over 3 million public charging stations for electric vehicles (EV) globally. New EVs also carry larger capacity batteries in order to reduce the mileage anxiety amongst drivers. Although enabling a larger cruising range, this also necessitates a shortened charging time, thus prompting the rapid development of EV charging stations (EVSE) with DC Fast Charge capability. Cost...

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11

May 2021

Fuentes y cargas programables de CD y su aplicación en prueba de componentes automotrices

En la actualidad la industria automotriz en México es considerada un pilar estratégico debido a la gran demanda de producto que tiene. Es por eso que se considera de suma importancia que los vehículos y sus componentes cuenten con la mejor calidad posible. El descubrimiento temprano de fallas, en la fase de desarrollo evita costosas retiradas de producto, además mejorar el desarrollo de tecnologías seguras...

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19

Apr 2021

How to Simulate Low Power Real World Grid Characteristics [VIDEO]

Manufacturers of new low power green energy products such as residential PV Inverters, Energy Storage Systems (ESS), and Electric Vehicle Supply Equipment (EVSE) and Bidirectional On-board Chargers (BOBC) need real world grid simulation to fully test their products. But how can this be done competitively since traditionally, regenerative grid simulators have been designed and priced for high power applications? Chroma has thought this through and...

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16

Apr 2021

Fifth Year in a Row! Chroma Designated Test Equipment for IFEC Student Competition

The International Future Energy Challenge (IFEC 2020) is a major global student competition and accomplished its final competition at Aalborg University in Denmark. Chroma has been the sole official provider of the competition’s test equipment for the fifth consecutive year. This lustrum demonstrates both Chroma’s technical strength as well as the importance it attaches to close collaboration between the industry and academia. The pandemic-proof power...

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06

Apr 2021

Chroma Bidirectional DC Power Supply Operation [VIDEO]

Increasing developments in renewable energies along with the rapid growth of electric vehicles are motivating the commercialization of distributed energy sources in micro grids. The same goes for the bidirectional design of power conversion devices. These devices are motivating battery applications to achieve higher efficiencies, higher voltage conversion, and higher power densities. With that said, design and test engineers are looking to replicate these characteristics...

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15

Mar 2021

[Tech Review] Why Do EV Batteries Need Ripple Current Testing?

Ripple most commonly refers to an undesirable amount of AC voltage fluctuation on the DC power supply. During vehicle charging and power conversion, EV batteries constantly have to face such troublesome power ripples. In the long run, this may accelerate battery degradation, especially in harsh low-temperature environments. EV batteries thus require ripple current testing to ensure quality. When the power is converted, it is induced...

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03

Mar 2021

Drivers para luminarias LED. Metodología y recomendaciones de prueba

En la actualidad las lámparas de LED pasaron a ser de un concepto innovador al nuevo estándar en la industria de iluminación debido a su bajo consumo de potencia, calentamiento e intensidad luminosa, lo cual ha llevado a un incremento en la demanda de producción de drivers de LED más eficientes y para mayor potencia. Chroma tiene una experiencia de más de 30 años en...

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