Chief Editor| Zhong Kun
Author| Long Cijun
Edit| Lin Yuanjie
Report from the car gourd ring
For most people, It is not unfamiliar to mention the three words "Citroen". As the first auto brand to enter the Chinese market, Citroen has not only led the development of the world auto industry, but also set off a wave of private cars in China.
In the 1990s, Citroen Fukang, Santana, Jetta, etc. were collectively referred to as the "oldest three", representing the understanding of consumers in that era of boutique sedan cars; after the millennium, Citroen will again design Maneuverability is regarded as the main keynote of the brand, allowing more domestic consumers to see models such as Saina and Sega that are both comfortable and sporty. It can even be said without concealing that, even today, Citroen's chassis tuning skills are still one of the best in its class.
With the general trend of new energy development in recent years, more and more car companies have joined the "New Four Modernizations" queue. Citroen, which has been deeply involved in the Chinese market for many years, is no exception. As Citroen's "vanguard" in entering the domestic new energy market, the importance of Tianyi C5 AIRCROSS plug-in four-wheel drive SUV (hereinafter referred to as "Tianyi PHEV") is self-evident.
So, can this brand new SUV with French car pedigree and localized adaptation sound the horn of Dongfeng Citroen's electrification era? The answer is yes.
Tianyi PHEV, as the name implies, is the plug-in hybrid version of Tianyi. The new car basically continues the design concept of the fuel version in terms of appearance, with a sleek and stylish body with split headlights on the front face. , Can give you enough recognition visually. Of course, in order to distinguish it from the fuel version, Tianyi PHEV has also added some exclusive "badges" that reflect its new energy status, such as the blue ring trim on the white model, and the HYBRID PLUG-IN logo on the side of the body.
Of course, compared with the subtle changes in appearance, what is most interesting to Huluxia is the plug-in hybrid four-wheel drive system carried by Tianyi PHEV. Officially called the "three-engine four-wheel drive" power system, this system is mainly composed of a 1.6T PHEV exclusive high-power engine and front and rear dual motors. The comprehensive maximum power is 300 horsepower, the peak torque is 520 N·m, and the acceleration time is 100 kilometers. Only 7 seconds.
Among them, the front drive motor is integrated inside the Aisin ATN8 gearbox to form an e-ATN8 eight-speed electric automatic transmission. The front motor has a peak power of 81kW and a peak torque of 320N·m. It adopts mainstream permanent magnet synchronous motor, matching industry-leading flat wire and oil cooling technology, with excellent efficiency.
In order to achieve four-wheel drive performance, Tianyi PHEV is equipped with a three-in-one electric drive assembly on the rear axle, which is highly integrated by mainstream permanent magnet synchronous motors, controllers and two-stage single-speed reducers. The peak power of the rear motor is 83kW and the peak torque is 166Nm.
It is worth mentioning that the 2.0T engine of Tianyi PHEV is also excellent, with a maximum power of 147kW and a maximum torque of 300N·m. The power level is equivalent to the mainstream 2.0T engine on the market. In addition, this engine also uses a larger turbine to strengthen the engine's power performance in the mid-to-high speed range, and it is mainly driven by the electric motor when driving at low speeds, so that it can also better achieve a balance between power and economy .
In fact, the "three-engine four-wheel drive" hybrid system equipped by Tianyi PHEV is not the first to show its strength. As early as the 2008 Paris Motor Show, PSA Group released the world's first belt The rally chariot C4 WRC HYmotion4 with energy recovery device has applied the world's first diesel hybrid technology HYmotion4.
It is because of Citroen's continuous optimization and transformation in the field of hybrid technology over the years, which also created the powerful "three-engine four-wheel drive" hybrid system on the Yi PHEV today.
In order to better demonstrate the superior performance brought by the three-motor architecture of Tianyi PHEV, the relevant technicians of Dongfeng Citroen also gave us a comprehensive and in-depth explanation through the actual objects.
Of course, before explaining, Huluxia should first give a simple science popularization to friends who are not familiar with the structure classification of the hybrid system. Old drivers please ignore it directly.
The current mainstream classification in the industry is based on the placement of electrified components (motors), where P is defined as the location of the vehicle where the motor is located.
1, P0 motor is placed before the transmission, the engine belt drives the BSG motor;
2, P1 motor is placed before the transmission, installed on the engine crankshaft, before the K0 clutch;
3, P2 motor is placed at the input end of the gearbox, after the K0 clutch;
4, P3 motor is placed at the output end of the transmission, connected by belt, gear or coaxially with the engine, and output from the same source;
5, P4 motor is placed after the gearbox, separated from the output shaft of the engine, and generally drives the rear wheels;
In addition, there is also a motor on the transmission (that is, connected by a belt or gear) Or the configuration integrated in the transmission is called P2.5.
Tianyi PHEV adopts the same-level leading "P0+P2+P4" three-motor architecture, which can make full use of the synergy of the three engines Operation, freely switch under four drive modes: hybrid, electric, sports and four-wheel drive.
Placed in the P0 position is a BSG (belt generator/starter integrated machine) motor, which is used to start the engine and also charge the battery. And it has another advantage, that is, it can effectively avoid the jitter and shock caused by the front motor needing to drive the vehicle and start the engine at the same time. When eliminating low power, due to insufficient power of the power battery, the motor needs to drive the vehicle and start the engine at the same time. It can also reduce the starting noise of traditional starters.
The front drive motor is integrated in the transmission, namely P2 position, which can realize pure electric drive, and can realize hybrid drive with the engine. At the same time, the front drive motor can also act as a generator, charging the power battery, providing electric power to the rear motor to drive the vehicle or recovering braking energy.
The rear drive motor is placed in the P4 position, which can drive the vehicle alone, and drive the vehicle together with the front motor to achieve a pure electric four-wheel drive, and the engine to drive together to achieve a hybrid four-wheel drive, and it can also recover braking energy.
With the unique advantages brought by the three-motor architecture, Tianyi PHEV can freely switch between four driving modes, including hybrid, electric, sports and four-wheel drive. At the same time, under different working conditions, The three motors can operate independently and work together to keep the vehicle in the most efficient operating range at any time.
In the closed test road inside the Citroen factory, the Tianyi PHEV “three-engine four-wheel drive” hybrid system also showed strong adaptability. In the
pure electric mode, the Tianyi PHEV created a very quiet environment in the car during the loop test. At the same time, the matched iBooster energy recovery system can store the excess kinetic energy as electric energy and improve the pure electric endurance.
In the acceleration test, Tianyi PHEV uses the engine and two drive motors to generate acceleration, bringing an acceleration experience comparable to that of a sports car. At the same time, the power battery is placed under the rear seat , Which makes the front and rear counterweights of the vehicle more reasonable, and there will be no obvious "nodding" trend even during emergency braking.
In the simulation of complex road conditions, after the Tianyi PHEV is switched to four-wheel drive mode, the vehicle can get better passability and safety at this time, plus the Citroen master classNo matter it is on gravel roads or winding mountain roads, driving Tianyi PHEV can calmly deal with the adjustment of chassis.
Conclusion
The time spent with Tianyi PHEV is not long, but Huluxia feels Citroen’s sincerity to Chinese consumers and determination to enter the domestic new energy market . As a plug-in hybrid SUV, Tianyi PHEV not only can trouble users with policies such as unlimited travel and purchase restrictions, but also with the leading "three-engine four-wheel drive" hybrid system, allowing consumers to truly feel the professional four-wheel drive Driving and controlling the charm of high performance.
Not surprisingly, Tianyi PHEV will announce the official price at the Chengdu International Auto Show this month. Friends who are interested in plug-in hybrid four-wheel drive SUVs, might as well pay attention to it.
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