Wheelsatev.com

  BY    AFZAL YOUSAF Power electronics components in electric vehicles plays an indispensable role in power exchange between components like Battery, BMS, Motor, electrical accessories etc. Even though electric vehicles requires less maintenance due to lacking more moving parts but power electronics components can become failure due to various reasons. In this article you can read possible Power electronics faults in Electric vehicles and method to diagnose the faults. Power Electronics components in EVs basically constitutes Power elements and power switches. From these kinds, the power electronic components of EVs are classified into:- Converter and Inverter Protection components In converter and Inverter section we can usually see DC-DC converter, DC-AC converter (Inverter) and AC-DC converter (Rectifier). And in Protection components mainly consists of connectors, Relays, Brake resistor etc. Common faults occurring in EV Power electronics are:- Open switch fault Short...

  BY    AFZAL YOUSAF Elon musk hinted about new battery technology through his tweet months ago and in Tesla Battery day 22nd September 2020, they have unveiled new 4680 battery cell which is 6 times powerful, 5 times more energy and can give 16% more range than existing cells. Read Tesla Battery day Highlights here. In this article you can read details about Tesla's new 4680 battery cell and their plan to halve the cost per KWh. Tesla unveiled their new battery cell 4680 in Tesla Battery event and claims they can reduce around 56% of overall cost of the cells. Cell is with bigger form factor and a tabless design. Dimension of the cell is 46mm by 80mm and naming them 4680 battery cell. Source:- Tesla battery day event video Like Every researchers Tesla also faced Thermal management issues while increasing the capacity of the cells. As per reports tesla fixed this issue so brilliantly by the first Tabless cylindrical cell design and released new data related to the perfo...

  BY    AFZAL YOUSAF The much awaited  Tesla Battery Day was held on 22nd September 2020.  It was Annual meeting of  stakeholders and at live presentation  Elon Musk teased the possibility of affordable fully autonomous tesla car in three years. Price hinted and reported by top magazines is $25,000 (£ 19,600) and "This has always been our dream to make an affordable electric car" Musk said. In this article you can read the highlights of Tesla battery day announcements. Tesla Founder Elon Musk has announced that the technology they are developing will make Tesla batteries cheaper and more powerfull. One of the key announcement was the Tesla's larger Cylindrical cells. It will be able to provide five times more energy, six times more power and 16%  greater driving range. But the production in full swing takes around 3 years. Tesla's approach is in the way that by reducing the weight, capacity and price of the battery, as battery is the important...

BY    AFZAL YOUSAF After Delhi ,Gujarat government on 17th September 2020 announced subsidies for electric vehicles. Govt. is aiming to improve the adoption of electric vehicles in the state and the announcement was made on the occasion to mark 11 years of the state's climate change department. The announcement of new policy was made in the presence of Gujarat chief minister Vijay Rupani.   Read the article to know the key announcements of the policy. Key Announcements. School and college students ie; students above 9th standard will be entitled to a benefit of  Rs 12,000 if they opt for an  electric vehicle. For an Auto rickshaw driver or any self employed person buys an electric three wheeler, he/she will receive a subsidy of up to Rs 48,000. Ten charging stations will be set up in Ahmedabad, Vadodara, Surat and Rajkot. According to reports, Gujarat CM Vijay Rupani has set an objective to have at least 10,000 electric two wheelers and 5,000 e-rickshaws on the...

BY    AFZAL YOUSAF World needs power to run and in coming future it is sustainable and renewable energy that plays pivotal role for clean and greener Earth. Currently our energy storage strategy are shaped by Li- ion cells as it is used worldwide. But what changes can we expect in our energy storage strategy in coming future??? In this article you can read about the new battery technologies that could drive future energy requirements. As Battery/ Li ion cell manufacturers are constantly experimenting to improve cell chemistry to make cheaper, denser, lighter and more powerful batteries that transforms future energy storage scenario. From the latest report and articles, the upcoming new technologies in energy storage are:- New Generation Li ion Lithium Sulfur Graphene Battery Solid-State Super capacitors. New Generation Li ion Lithium ion technology we currently depended will reach an energy limit in coming years and researchers are working on to improve this technology. Recen...

BY    AFZAL YOUSAF   Brushless DC Motor (BLDC) is mostly used in Electric vehicles like E-bikes, E-rickshaws, small electric loading vehicles etc and is more popular among EV enthusiasts and designers. Popularity of BLDC motor is because of its exciting properties that makes it suitable and significant contributor of modern drive technology. In this article you can get an overview of BLDC Motor, construction, electronic position sensors , BLDC working and Advantages. Rapid gain in popularity has seen in BLDC motor due to its properties like High efficiency, Better speed vs torque characteristics, less weight, low cost, simple construction, reliable and easily availability . All these properties are due to modern power electronics and advancement in Microprocessor technology that helped to thrive BLDC Motor. BLDC Motor as name suggests they are brushless and communicated via electronically. In conventional DC Motors, brushes are used to transmit the power to the rotor wh...

  BY    AFZAL YOUSAF Battery pack is the motive source in electric vehicles. Designing of battery pack is one the important section in EV Designing and battery pack calculation depends on several factors. Normally range of the vehicle and Motor specfications directly influences the battery pack capacity. In this article you can get an idea of how to Design/ Calculate battery pack for EV as per your range requirement. Before designing a battery pack, Let's look the basic parameters of battery. Cell voltage - potential difference between the cell terminals. It is differentiated into Max voltage, Min voltage and Nominal voltage. Usually nominal voltage is taken for calculation and design as it is mid range between maximum and minimum voltage. Amp hour rating -  Amp hour rating of a cell/battery is how much amperage a battery/cell can provide for exactly one  hour .  The C  rating   tells you how many  amp hours  the battery/cell c...

BY    AFZAL YOUSAF Electric vehicles are gaining popularity worldwide and in India. As Bikes are the most commonly used vehicles in Cities and rural ares, electrification of two wheelers is a major step towards the reduction atmospheric pollution in India.  In this article you can find 10 upcoming Electric bikes in India . HERO AE 47 Hero AE 47 is one of the upcoming affordable electric bike from the top brand HERO . Hero AE 47 has stylish and sporty design that compete with every bikes in this segment and will have range of 160 KM on single charge . 4000 W wheels hub motor is used and wheels have disc brakes which gives more stability. Top speed speed is around 100 kmph and has mono-shock suspension along with all modern features like LED speedometer display etc. Expected price is under 1 lakhs. ULTRAVIOLETTE F77 F77 is an electric performance bike from Ultraviolette Automotive. 2500 W AC motor is used and produces 33 ps power and a torque of 90 Nm . It can go from 0...

  BY    AFZAL YOUSAF Tesla is one of the biggest names when it comes to Electric vehicles. They have produced many stunning e-cars that heavily competes with the big names of fossil fuel cars. Tesla has launched Roadster 2020 version in November 2017 which is an all electric sports car and becomes the  Fastest street legal production car in the world  to date at its announcement . Tesla gained worldwide attention when in December 2017, Elon Musk  announced his Cherry Tesla roadster as a payload of Falcon heavy test flight launched by SpaceX. Tesla roadster can accelerate from 0 - 60 mph in 1.9 seconds , which makes it quickest accelerating production cars in the world. Top speed of the car is  250 mph and have a range of 620 miles on single charge . Charger is offboard type charger, supercharger V3 ie above 350 kW DC. Second generation Tesla Roadster is a Four seater sports car with removable glass roof.  This sophisticated design was done by Am...

  BY    AFZAL YOUSAF According to the latest reports, Indian Govt. is mulling setting up at least one EV charging kiosk across the 69,000 petrol pumps in the country to boost the EV charging infrastructure in the country and to convince people to go electric. Apart from that, Govt. is also thinking of making it compulsory to install charging kiosks at all company owned, company operated (Directly operated by Oil companies) petrol pumps of state refiners. Indian Power minister R K Singh in a review meeting of EV charging infrastructure suggested to top officials of oil ministry that "  they may issue an order for their oil marketing companies (OMCs) under their administrative control for setting up charging kiosks at all COCO petrol pumps ", a source said. As per the sources, Other   franchisee petrol pump operators (like dealership) may also be advised to have at least one charging kiosk at their fuel stations, and this will help achieve EV charging facility at...

BY    AFZAL YOUSAF Skoda has launched their first all electric SUV named Skoda ENYAQ iV in 1st September 2020. The concept of the model was already presented on Geneva in march 2019 and most of the specifications were shared by the manufacturer. New ENYAQ is based on the MEB Modular platform of Volkswagen group. Total five variants are introduced by the company that includes both rear wheel and all wheel drive. And has a length of 4,649 mm , a width of 1,879 mm and a height of 1,616 mm . Wheelbase of the vehicle measures 2,765 mm and has a boot storage capacity of 585 liters. More technical information are given in below table. Specifications of all the five variants are shown above. Total power varies from 148 hp to 306 hp and the top sports version RS will reach 0 - 100 kmph in 6.2 seconds. Company has claimed a maximum range of 510 km on single charge and range varies depending on the battery capacities. Three different battery sizes of 55 kWh, 62 kWh and 82 kWh...

BY    AFZAL YOUSAF   As electric vehicles are going to be in huge numbers on Indian roads in near future, need of charging infrastructure is very high. Still India lacks required number charging stations to boost ev industry. So in order to tackle this situation  Govt. of India has made charging station set up de-licensed and any one can set up charging stations in India if they follow proper govt. guidelines. Click this link to read the guidelines of Indian govt. to set up a charging station. So many Organisations and entrepreneurs are setting up charging stations in India. Click here to know the type of charging stations for EVs. In this article you can read about some of the front runners of EV charger manufactures in India. ABB INDIA ABB is a global company leading in Electrification, Automation, Robotics of industries. They are well known in Power grid business and operates in more than 100 countries. They are the trusted electric charging station manufacturer i...