Explore the World of E. Breaking new ground, driving innovations and actively shaping the future of racing are the shared values of BMW i and the ABB FIA Formula E Championship. This time, ROKiT Venturi Racing’s Reserve Driver Norman Nato talks us through what the wheel does in his own way, and what all those intriguing twisty nobs and buttons do. Fan boost? What’s more, the motor produces full torque from zero rpm, rather than much higher RPM as on a combustion engine. There will also be undoubtedly an increase in regenerative braking means there may not be front disc brakes either. Teams will want to reduce the Centre of Gravity height to improve handling, although front-to-rear weight distribution is set by the rules, so fore and aft positioning of the powertrain elements is of slightly less importance. FIA Formula E Championship. Inside the casing the teams mount the motor/inverter/gearbox package, this can only be removed when the complete rear end package is removed from the car. Although the schedule has been delayed by the Covid situation, in the Gen3 car there will be new battery and powertrain specification coming for season 9. Formula E, officially the ABB FIA Formula E World Championship, is a single-seater motorsport championship that uses only electric cars.The series is promoted and owned by Formula E Holdings.In 2011 it was conceived in Paris by Jean Todt at the FIA, and the inaugural championship commenced in Beijing in September 2014. For a Formula E driver, it does a lot more than merely steer the car and is arguably the most important piece of equipment. This angled installation allows space for the inverter to sit under the motor creating an exceptionally low and compact package. The battery sits in its specified location, bolted up under the centre of the monocoque, in a conventional fuel tank-like position. Nissan realised that the rules restrict electrical energy recovery, regenerative braking sends electricity back to the battery which gets measured, no sizable electrical storage is allowed outside the battery. Meanwhile, the smaller motor with neither power nor regenerative braking engaged, gets spun faster by the epicyclic gears, this builds up the kinetic energy in the motor. From the outside these modules are then surrounded by the cooling pipework and manifolds, with electric bus bars to connect the modules into the single 800v DC output. MAX SPEED: 378km/h, 225km/h. The season 1 and early season motors did not have the torque and efficiency curve to allow a ‘gearless’ set up. As a result, double motors and Epicyclics are now banned in Formula E and teams will need to look elsewhere for an advantage. However, Formula E takes the strategy to an entirely different level. Video, 00:05:07, Ex-Arsenal chief Dein calls for 'healing process' after failed ESL bid, 'Man down!' The technically inclined motoring fan will probably view an electric motor or generator, as the type of thing used as an alternator or starter motor on a road car. Read about our approach to external linking. Formula E CEO Alejandro Agag is excited to see the attack mode in action and is delighted that Formula E is innovating a new style of racing. High-speed batteries in Battersea: Formula E explained What is Formula E, who’s involved, and how fast can the cars go? Then every season there are a few detail changes to the rules, either to improve the sport or cap loopholes found the previous season. With the power cycling through the coils heat builds up and cooling is required to maintain the materials properties. Should cell temperatures get too high, the BMS will ‘derate’, which means it will warn the ECU to restrict power output to safeguard cell temperatures. Its commonly called the Battery, the Formula E nomenclature is RESS (Rechargeable Energy Storage System), while it’s also sometimes termed the ‘Traction’ battery, because it drives the car as opposed to the 12v auxiliary battery. In recent seasons almost no pictures of the rear end casings let alone the powertrains hidden within have emerged. Formula E’s mid-season driver changes, explained 01/07/2020 Berlin ePrix , Drivers , DTM , Formula E Formula E hit the pause button on their on-track proceedings in March due to the COVID-19 pandemic, but with the news racing will resume with six races in nine days at the Berlin street circuit there’s been a glutton of off-track matters to handle. Everything technical in Motorsport - F1, FE, WEC, Bauer Media Group consists of: Bauer Consumer Media Ltd, Company number: 01176085, Bauer Radio Ltd, Company Number: 1394141
To manage costs, the spec chassis and battery are subject to a four-season tender process; we are thus part way through the second generation of car. The Inverter is either positioned above the motor or ahead of it, depending on the packaging of the gear set. This inverter/rectifier electrical function can be done simply with diodes, but for the level of performance required for an electrical vehicle, this requires something more complex, so the switching is achieved with semi-conductor technology. Welcome to the closest, most intense racing series on the planet. Belgian driver Jerome d'Ambrosio explaind the buttons and swtiches located on his steering wheel. For season 2 the powertrain was opened up for manufacturers to develop their own motor/inverter/gearbox set up. Other teams team felt this was outside the intention of the regulations and the spirit of the championship. Nissan kept its solution secret, indeed its still only speculation exactly how they did this. Manufacturer Registration Registration Procedure for Car Manufacturers Seasons 7, 8 - Clean Published on 22.06.20. Beginner's Guide To Teams And Drivers | Formula E Explained | ABB FIA Formula E Championship. Its then believed that the smaller motor rather than slowing with the rear wheels/differential is left to spin freely, conserving the kinetic energy built up on the straight. It’s often assumed that Formula E is merely an electrified version of a conventional motorsport, and also that it’s a rival to F1. Plus it only has one moving part, therefore less bearings, friction and things to go wrong. Advertisement. With Formula E’s being all about racing sustainably and having a positive impact on the planet, every aspect of the series has to work to make these goals a reality. The casing is made from strong carbon fibre, with external Xylon anti-intrusion panels and internal insulating glass fibre layers. Whereas the teams’ championship is decided by calculating both driver’s scores throughout the season. In proper terminology this is called an Inverter/Rectifier, but is simply termed an Inverter in Formula E. Under acceleration the battery provides energy through the inverter the power the motor, driving the rear wheels through a reduction gearbox and differential. Beginner's Guide To Race Distance | Formula E Explained | ABB FIA Formula E Championship. FIA Formula E Championship. At its core the inverter has a power circuit-board, the two DC (battery) cables come in one side and the three AC (motor) cables the other. Holes in the monocoque allow access to the battery’s DC connection, ECU data connection and the cooling pipes. Whereas F1 might be the piranha club, with only self-interest and no quarter given to competitors or the aim of the series. Video, 00:02:41Man Utd dropping points makes Man City safe at the top - Solskjaer, 'Never left his seat' - young fan beats baseball player to catch. These were stacked in three groups into modules, there being five modules mounted inside the battery case. They pass via bus bars to these switches, which are controlled by a separate logic circuit-board, in order to translate the current from one form to another. Strong, lightweight and full of finely engineered details. 6:57. Video, 00:04:15Newcastle draw so hard to take for wasteful Reds - Klopp, 'People will not support greed' - Ex-PM Brown predicts turning point for football. The most challenging thing we may have to do is toggle radio channels or volume levels whilst turning a corner. While new, Formula E is now in its sixth season, starting back in Beijing in 2014. Formula E cars are still much more robust than the rather delicate Formula 1 cars – think about the slight contact between Charles Leclerc and Sebastian Vettel’s Ferrari at Interlagos last November and the results that had on both cars. Video, 00:02:10, Wolves' Saiss on being a footballer during Ramadan, 'City so close to title' - Guardiola on win over Villa. Video, 00:05:07Ex-Arsenal chief Dein calls for 'healing process' after failed ESL bid, 'Man down!' In this set up, there is not redirection of the motor’s output, i.e. Under acceleration, they work together, both driving the car forward geared to the same differential. However, increasing motor RPM is well above the road speed of the wheels, so some reduction gearing still needs to be provided. So, when issues like this arise, they tend to be sorted for the common interest. But the rules are vague on kinetic energy recovery, so this was the route they are believed to have took. Video, 00:02:10Wolves' Saiss on being a footballer during Ramadan, 'City so close to title' - Guardiola on win over Villa. The teams cooling package will feature an electrical water pump, driving the coolant through pipework to a small radiator in the left0hand sidepod. The plan has been to increase power and lighten the cars, this will bring the car’s power to weight ratio above the current FIA F3 cars that support the F1 races. Through the first four seasons the battery capacity and powertrain output limited a car to only half the full race distance. This latter motor provides torque on acceleration, but also serves as an energy recovery device. An electric motor is a swap for the combustion engine, in contrast to the battery, an electric motor is smaller and lighter than an equivalent engine. It was their industry knowledge of all cell types commercially available that chose the Murata cell. The power circuit board is mounted against an aluminium plate with internal water-cooling passages, to conduct the heat away into the same cooling circuit as used for the motor. Rows of cells are offset from each other to pack them in tight, then there are cooling plates zig-zagging between the rows of cells to cool the cell bodies. A genuine advantage is that the motor can also act as a generator, creating electrical energy under braking that can be stored in the battery. By season 4 all teams were running SiC inverters, which had not just the performance benefits, but the inverters were much smaller and required a much smaller radiator in the sidepod to cool them, reducing aerodynamic drag. Like Formula 1, Formula E is a racing championship with single-seater, open cockpit cars, but the vehicles are entirely battery-powered. Inside the carbon casing made by McLaren Applied Technologies are separate modules, each housing a huge number of small AA sized cells made by Murata (Sony). For season 6 the motors are allowed to produce a maximum 250kw (in Qualifying) which is 335hp. Connecting the units electrically is still often done with cables, two orange coloured cables coming from the battery connector to the inverter and three AC output cables then going into the motor. One motor connects to the sun gear, the other to the planetary gears. This reduces mechanical losses and side loading in the bearings, allowing for a lighter gear casing. Formula E being electric is able to restrict powertrain performance more effectively than with combustion-engined series. We race for better futures. no bevel gears. BMW iFE.21. Fan boost? The electricity created goes to the battery and increases the remaining charge available to the driver through the race. The season 1 McLaren Applied Technology Inverter used Silicon switches known as IGBTs. Currently in Formula E most teams run a single motor, these are still tiny, 20-30cm in diameter and 30-40cm long, while weighing near to 20kg! Watch a great explanation of how Formula E’s all-electric race cars work. Race Calendar. Video, 00:01:14, Supporters have been heard and rightly so - Bruce, Wolves' Saiss on being a footballer during Ramadan. Formula E Fast Facts. Low RPM/High torque outputs demand a lot of current from the battery, this becomes inefficient in an energy capped formula. Beginner's Guide To Race Day | Formula E Explained | ABB FIA Formula E Championship . Carbon blocks (brushes) transfer the current between the stator and wiring, by literally rubbing against the contacts on the spinning armature, not a very efficient set up. In season 1, the cars were all identical; the chassis designed by Spark Racing Technology with Dallara as its technical partner was a spec design, as was the battery designed by Williams Advanced Engineering, the Hewland gearbox and the McLaren Applied Technology Motor/inverter/ECU. Most will be familiar with the powertrain of a combustion-engined race car, there is the; fuel tank, engine, gearbox and electronics looking after the ignition and injection systems. High spec batteries like these needs careful thermal management, there’s a temperature window they like to work within, not too cold as that affect efficiency and definitely not too hot. The size of this radiator gives strong clues to the efficiency of their powertrain. Welcome to the closest, most intense racing series on the planet. Man Utd dropping points makes Man City safe at the top - Solskjaer. Now, no car runs a multispeed gearbox! With both motors driving the car forward, they work together to spin the ring gear and drive the car’s differential. “For example, in F1, the driver is told what to do to adjust his controls and buttons. In formula E BMW have long been a partner of the Andretti team, the Bavarian engineers learnt from the experience and the season 5 powertrain differed in one key way from the generic transverse installation, in fact its literally turned the idea sideways. For season 8 there is an updated car, named the Gen2EVO, with revised bodywork. This is the ABB FIA Formula E World Championship. Fan boost? All these questions, and more, answered Giles Richards. As detailed above, an electrical motor can create maximum torque from low RPM, although it can do this, there is a handicap. In the equation, the increased relativistic mass (m) of a body times the speed of light squared (c 2) is equal to the kinetic energy (E) of that body.. Nissan were new in FE in season 5, being formed from the Renault team that had pioneered the transverse gar-less layout with such success, but left the series at the end of season 4. 0-100KM/H: 2.1 secs, 3 secs. Epicyclics are commonly used in automatic gearboxes and host of other mechanical systems. Detail development focuses on reducing driveline losses, areas such as: gear tooth design, friction reducing coatings, bearing design and low-friction seals. The cell had been available before the Gen2 battery was developed and it was the way it was packaged and operated within the battery that made the difference. In Formula E there is more of a common aim and direction with the series and its teams. So, the motor was coupled to multispeed gearbox, 5 speeds in season 1, with teams reducing the number of gears as the motor performance\efficiency improved. It follows a single-make chassis and battery format, with the competitors encouraged to develop the hardware and software for the powertrain – thereby not wasting their resources elsewhere on the car. H Bauer Publishing are authorised and regulated for credit broking by the FCA (Ref No. This is why we see the same superstars winning or placing well time and time again. The Battery is analogous to the fuel tank, storing the energy for the motor. It’s worth remembering, that as electric motors do not idle but simply stop revolving, there is no need for a clutch. As the car slows for the corner and the regenerative braking mode is engaged for the larger motor, the reverse torque of the motor provides the braking effect to the ring car to help slow the car (whilst generating electricity). The ABB FIA Formula E World Championship consists of two separate titles - one dedicated to the drivers and another dedicated to the teams. Being a spec part teams cannot modify the battery of gain access inside it. A coolant circuit with an electric pump and radiator achieve this, the same system can also cool the Inverter package. Video, 00:01:14Supporters have been heard and rightly so - Bruce, Wolves' Saiss on being a footballer during Ramadan. Reduction gears from the motors output pinion, reduce the output RPM to road speed, increasing the torque as they do so. While some believed that it was ‘cutting edge’ cell technology that lead to double of energy storage with the Gen2 battery, this wasn’t the case. The current McLaren battery is developed with Atieva as its specialist partner. Formula E explained. This is the ABB FIA Formula E World Championship. Video, 00:01:31, 'Everton are back' - Ancelotti on win over Arsenal, The penalty is clear, I don't get it - Arsenal boss Arteta. This restricts torque vectoring, where power can be directed to each wheel, not simply to replicate a differential but to actively power/steer the car through the rear wheels. How Nissan are alleged to have done this is quite imaginative, the rules only allow one differential to drive the rear wheels via the driveshafts and no clutch is allowed between a motor and drivetrain. For a similar size and weight, the new battery had double the energy storage and thus the awkward mid-race car swaps were abandoned and the driver races lights to flag with one car. For season 5 there was the new Gen2 car, this was a totally new design, with aggressive looking bodywork, over a new chassis, that enclosed fresh battery design, now supplied by McLaren Applied Technology. The battery will be lighter from a reduced capacity, but this loss in energy storage will be boosted by both greater rear axle regenerative braking, but also two new technologies’, firstly mid race recharging and secondly an energy recovery system linked to the front wheels. Formula E explained, Up Next. There is a clear and easily monitored cap on energy in and out of the battery, this caps electrical power and energy recovery. featured Norman Nato ROKiT Venturi Racing Tech Insight. What are the tyres used in Formula E? The pitstop recharging could be sped up or even extended to wireless induction charging from electrical cabling fitted along the straights. While the spinning magnets will see higher centrifugal forces at higher RPM, the danger of the material and its joint to the rotor failing becomes the engineering issue here. Video, 00:02:20, 'City so close to title' - Guardiola on win over Villa. Most racing takes a ton of strategy. 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Video, 00:05:11, 'People will not support greed' - Ex-PM Brown predicts turning point for football, Ex-Arsenal chief Dein calls for 'healing process' after failed ESL bid. Video, 00:01:01Attack mode? In actual fact that’s a cell, a battery is basically a collection of cells. © 2021 BBC. 845898), What is LMDh? The sky is the limit, but all of these technologies will be reflected in the road car EV industry and will continue to make Formula E the tech great technology incubator it was set up to be. Thus, these types of motor care called ‘brushless’. From a fully spec format the series immediately bloomed in a diverse technical formula, with many variations on the powertrain format; not all were successful, and few layouts continued to the latter seasons of the formula. Literally central to the Formula E race car is the battery, as it’s at the core of the powertrain and is mounted in the middle of the car. The BBC is not responsible for the content of external sites. Formula E is an event which kicks off with the Shakedown prior to the race. So, how has Michelin gone about producing a more sustainable racing tyre? The 2021 season of the ABB FIA Formula E Championship is almost here, and helpfully, they have put together a primer to go over all of the changes since last August. e is NOT Just a Number Describing e as “a constant approximately 2.71828…” is like calling pi “an irrational number, approximately equal to 3.1415…”. For season 5 the new battery jumped from 400v to 800v and the motor’s output increased. Or, to put it in the Formula E website’s own words, to “demonstrate the potential of sustainable mobility.” Related: Best self-driving tech from the Geneva Motor Show. The engineers tell the driver something coded, like ‘Red 3, Rev 4’ by radio, and he adjusts the switches accordingly. It’s the inverters job to create the electrical feed, to increase RPM and torque needs a step-in voltage and AC frequency. Over the... Powertrain. They can additionally fit their own cooling package in the left hand sidepod, as well as fit ECUs, control boxes and wiring around other parts of the car.
Video, 00:04:15, Newcastle draw so hard to take for wasteful Reds - Klopp, 'People will not support greed' - Ex-PM Brown predicts turning point for football. The drivers’ championship is awarded to whichever driver has accumulated the most points over the seven-month campaign. Like all race series the ‘formula’ of regulations is designed to reflect the status of the series and the tracks its runs on, so Formula E will never go for power and weight that F1 runs to, given its city-centre format. In this mode the smaller motor is acting like a flywheel, storing the energy built up on the straight. When the driver then accelerates the next time, the smaller motor releases the kinetic energy stored and drives the car forwards with additional torque. As the differential is mounted quite high at the rear, the motor is inclined to meet it. Attack mode? D’Ambrosio then went on to explain that the Formula E steering wheels are very different from the ones used in Formula 1. Video, 00:00:43'Man down!' Tyres are one of, if not the most, disposable parts of a racing car given they’re rendered unsafe or unfit for purpose after a specific period of time. Nissan in season 5 were even more extreme. Given a DC power supply in the form of the battery, an inverter is required to create the requisite 3-phase AC output. As previously explained teams tend to run one motor, as that is all that is needed. The quicker the switches can switch, the more power they can handle and fewer electrical losses along the way the better the inverter’s performance will be. It is sanctioned by the FIA. Formula E moved its Diriyah race in Saudi Arabia from an initial December 18-19 2020 slot to February 2021 as a precaution so it was less likely to be compromised by the ongoing COVID-19 pandemic and to avoid possible Formula 1 races in the region. Video, 00:02:25The penalty is clear, I don't get it - Arsenal boss Arteta, 'I don't like it' - Klopp on Champions League reform. Video, 00:02:20'City so close to title' - Guardiola on win over Villa. Sure, it’s true, but you completely missed the point. In addition, the current passing through the inverter’s switches creates heat. Again, by season 4 all teams had removed multiple gears from their gearbox. Formula E Videos. The Michelin tyres are all-weather, so just one type of tyre is brought to each race; no wet weather tyres or alternative compound are shipped around the world, and this puts a cap on tyre performance – but th estreet-race one make format means this isn’t an issue. With an electric vehicle, the basic layout can be compared, but there is little the same between the two types. Since the relatively relaxed early days, the level of secrecy in Formula E has grown exponentially with the appearance of the major manufacturers. This rear end is formed around a carbon fibre casing, this houses the team’s own powertrain and connects the monocoque/crash structure/suspension. Modern motors reverse this design, permanent magnetic rotor now spins inside, while the coiled windings are formed in the body around it. Monaco ePrix Nissan used an epicyclic gear set between the two motors and the final drive. By season 4 most teams adopted this transverse gear-less layout. Just as Formula 1 serves to drive forward traditional road car technology, though, so Formula E is intended to accelerate the progress electric car technology. Back in season 1 Williams were given limited time to develop the first Formula E battery, its internal and external design was quite different to the current Gen2 unit. After four season s any sizable gains were hard to find, so where else could gains be? It’s the job of the inverter to do all the electrical conversion from the DC of the battery to the high frequency high voltage AC for the Motor. Therefore, the driver had to swap to another identical but fully charged car mid-way through the race. From season 1’s standard powertrain installation to the variety of season 2’s set ups, the development path has converged again to the current near identical layout. So how does the smaller motor work independently of the larger one? MLB fan spills snack attempting home run catch. I am so ready for racing to begin again! Watch our guide to Formula E which explains how exciting features like Attack Mode and Fanboost can affect the in-race action. Under braking, the Inverter switches and the motor generates electric, creating a drag on the drivetrain to help ‘brake’ the rear wheels. Video, 00:00:43, 'Man down!' It’s now hard to ever see what’s hidden within the rear carbon cases, let alone get a good photograph of one. Attack mode? Formula E explained: Beginners' guide Watch our guide to Formula E which explains how exciting features like Attack Mode and Fanboost can affect the in-race action. The series even brings its own power supply with generators providing charging power to the cars' batteries with clean, renewable Glycerine fuel. The official YouTube channel for the ABB FIA Formula E World Championship. But to step up in frequency and current requires different technologies, as the switches are capped by their material and operation. Formula E explained. Video, 00:00:53'I don't like it' - Klopp on Champions League reform, Supporters have been heard and rightly so - Bruce. As the one device can operate in both modes, the motor is often called a Motor Generator Unit or MGU for short. … Enjoy! While neither an attractive nor good example for electric car racing, this was a necessity, but would become a handicap to overcome with further development as the series progressed. Formula E mandates that power is fed from the motor to the wheels through a single differential, perhaps not the best way to operate electric motor final drive, but this has capped complex technology. MLB fan spills snack attempting home run catch, 'Everton are back' - Ancelotti on win over Arsenal. Albeit the battery is much heavier for the same energy storage as petrol, but also the battery does not get lighter as with a fuel tank during a race. VAT no 918 5617 01
This being a self-contained module, separate from the carbon outer casing that supports the suspension. While, the front regen unit could be set up to provide four-wheel drive, perhaps the car going to an individual motor per wheel, allowing for torque vectoring for even greater performance. View all posts. This can only be done by the McLaren staff that attend every test and race. A Formula E battery is a collection of over 5000 cells! As the battery will remain live even if it’s been in a crash, the risk of electric shock to drive and marshals is very real. Former McLaren head mechanic Marc Priestley explains the inner workings of the Formula E steering system, with detailed graphics showing each component - this is the ultimate tech explainer of how our car steering system works. Video, 00:00:53, 'I don't like it' - Klopp on Champions League reform, Supporters have been heard and rightly so - Bruce. 0:45. The FULL Story Of An Incredible Season In Formula … Again, the material properties of the switches themselves and the other circuit boards becomes a limiting factor. Instead, Formula E takes advantage of its clean and quiet format; the series exclusively runs in city-centres bringing the racing to the fans, rather than at some distant out of town race circuit – see most of the F1 calendar. On their end, FIA … Nissan’s solution is understood to have run two motors; one larger motor that does the major share of the torque production and a smaller one. While Formula E was initially quite open about its technology, teams freely stripping the car’s in the garages and exposing the powertrain, since the growth of the manufacturer leas teams, the secrecy has increased. The street circuit format reflects well on the performance of the cars that are closer to F3 cars in power to weight ratio. 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