The BYD SEAL is BYD’s compact model, BYD is China’s biggest electric vehicle manufacturer and the world’s second-biggest behind Tesla. The BYD SEAL is equipped with a 82 kWh battery and a 230 kW motor. The BYD Seal accelerates from 0-50 km/h in as little as 5.9 seconds and has a range of up to 570 km on a single charge. The BYD SEAL also has fast charging capability and takes only 30 minutes for a 80% charge.
The BYD Seal is for customers who are looking for a high-tech mid-size electric sedan like the Tesla Model 3 but with more affordable pricing. It’s also an attractive option against electric SUVs like the Tang and the Yuan Plus (Atto 3) for customers who seek the comfort and driving dynamics of a sedan. The pricing is also such that it seems a cheaper alternative to the brand’s own mid-size electric SUV.
Underpinning the Seal is the bespoke BYD e-Platform 3.0, which supports RWD (like in the case of this sedan) and AWD electric drivetrain layouts. The platform would support short charging times, greater battery isolation from varying weather conditions, and long-range.
The new BYD EV has a double-wishbone suspension at the front and a five-link independent suspension at the rear. Though smaller than the Han EV, it has the same wheelbase, thanks to the dedicated EV platform. Customers will get a comparable room in a smaller footprint, and the smaller dimensions would help in maneuverability and parking.
The Seal is BYD’s first model to feature CTB (cell-to-body) battery technology. Integrating the battery into the body allows applying the sandwich structure, previously used for the battery pack, in the vehicle itself. The top cover of the battery pack is integrated into the floor of the vehicle’s body. CTB has led to a 100% increase in torsional stiffness (compared to conventional designs) – 40,000+ Nm/°.
The CTB layout has allowed raising the height of the chassis, which means the car is less prone to being damaged by bumps. Plus, the volume utilization is also better – 66%. Lastly, in case of a side collision, the higher stiffness should protect the car more.Two battery pack capacity options are available to BYD Seal customers in China: 61.4 kWh and 82.5 kWh. The charging power (DC), depending on the configuration, is either 110 kW or 150 kW. The 30-80% charging time may not take more than 30 minutes.
The 82 kWh battery pack delivers a CLTC range of 570 km in 230 kW (308 hp) single-motor RWD configuration and can accelerate from 0 to 100 km/h in 5.9 seconds. This configuration allows DC fast-charging at up to 150 kW, but a 30-80% top-up takes the same time – 30 minutes.
The Seal is BYD’s first car to feature its new iTAC technology. Short for “intelligence Torque Adaption Control,” the system aims to offer more traction than a conventional stability control system that uses wheel sensors to monitor speed changes and brakes to intervene when needed.
A wheel-speed sensor divides each turn of the wheel end into 32 or 48 acquisition bits. In iTAC, the wheel end of each turn can be divided into 4,096 bits, which means the speed and accuracy of the information collected are significantly higher. iTAC can adjust the torque delivery of the motor(s) in real time as required. It can transfer part of or all the torque to the wheel with more grip and avoid triggering the ESP. When BYD tested on snow, it observed that vehicles with iTAC can accelerate from 0-60 km/h (0-97 mph) 0.7 seconds faster. Plus, when drifting, these vehicles don’t require excessive direction correctio
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