Today, with the deepening of the "dual carbon" target and the acceleration of the green and intelligent transformation of the manufacturing industry, the fields of construction machinery and commercial vehicles are ushering in a profound power revolution. At the policy level, the government work report clearly proposes to accelerate the digital and green transformation of the manufacturing industry, promote the integration of technological innovation and industrial innovation, and the extended range hybrid, as a key path to solve the problems of high pure electric cost and insufficient range of construction machinery, is ushering in broad development opportunities. In this context, Ningbo Naiweide Electric Motor Co., Ltd. has been deeply involved in the field of electric motors for many years. Based on industry pain points and market demand, it has launched a new core strategic product for 2026- Permanent Magnet Synchronous Starter Generator Integrated Unit (PMSM Integrated Starter Generator, abbreviated as ISG). With integrated innovative design, high efficiency and energy-saving performance, and stable and reliable quality, it provides a new solution for the upgrade of commercial vehicles and construction machinery hybrid, demonstrating the technical strength and innovation responsibility of Chinese local electric motor enterprises.
As a technology-based small and medium-sized enterprise specializing in the manufacturing of automotive and engineering machinery motors, Ningbo Naiweide has always focused on technology research and development since its establishment in 2018, deeply cultivating the fields of starter motors and generators. With IATF16949 automotive industry quality management system certification, multiple independent patented technologies, and modern production testing equipment, it has accumulated a stable customer base in the automotive aftermarket and engineering machinery supporting fields, becoming a benchmark enterprise in segmented fields. The integrated unit of permanent magnet synchronous starter/generator launched this time is a heavyweight achievement of Navade in adapting to the trend of new energy in the industry and breaking through the bottleneck of core technology. It is also an important symbol of the company's transformation from a "traditional motor manufacturer" to a "provider of new energy power solutions".
Compared to traditional separated starters and generators, the integrated ISG new product from Naiweide takes "integration, efficiency, lightweight, and intelligence" as its core, completely breaking the performance limitations of traditional power systems and achieving a breakthrough in the three in one functions of starting, power generation, and energy recovery. It accurately adapts to diverse scenarios such as 48V/72V hybrid commercial vehicles and engineering machinery hybrid chassis, injecting strong power into the industry's green and low-carbon transformation. According to industry data, the integrated starter generator (ISG) industry in China will enter a period of rapid development from 2025 to 2030, with an average annual compound growth rate of 14%. The launch of the new product, Naiweide, is an important layout for accurately grasping market trends and seizing industry development opportunities.
Efficient and energy-saving, unlocking new value for green operation, are the core competitiveness of this integrated ISG. In the current era of global energy structure optimization and increasingly strict environmental policies, energy conservation and emission reduction have become the core demands of construction machinery and commercial vehicle enterprises. This new product from Naiweide adopts high coercivity neodymium iron boron permanent magnets and Hairpin winding technology, with higher slot filling rate and better heat dissipation performance. The power density is 25% higher than traditional products, and the power generation efficiency is over 82%, which is 10-15 percentage points higher than traditional generators, significantly reducing fuel and electricity consumption. When applied to commercial vehicles, it can achieve fuel savings of 8-12%, and when adapted to engineering machinery, it can reduce fuel consumption by more than 15%. It can save users considerable operating costs every year, perfectly meeting the "dual carbon" goal and industry energy-saving needs. At the same time, the new product supports brake energy recovery function, which can recover more than 30% of energy in scenarios such as downhill and rotary braking of construction machinery, further improving energy utilization efficiency and achieving a dual improvement of environmental protection and efficiency.
Integrate innovation, reconstruct the new form of power system, and demonstrate the technological hard power of Navid. In traditional power systems, the separation of the starter and generator not only results in a large volume and occupies a lot of cabin space, but also poses pain points such as low belt transmission efficiency, high failure rate, and high maintenance costs. The integrated ISG from Naiweide combines start-up and power generation functions, reducing its size by 40% and weight by 30% compared to traditional solutions, significantly saving cabin and chassis space and adapting to the installation needs of more vehicle models and equipment. More importantly, the new product adopts a flywheel disc direct drive design, eliminating belt transmission, which not only improves power transmission efficiency but also reduces maintenance costs in the later stage, solving the industry problem of belt and bearing wear and tear in traditional solutions.
In terms of technical details, the integrated ISG from Naiweide is particularly outstanding, ensuring stable and reliable operation of the product in all aspects. The new product is equipped with a self-developed integrated controller (MCU) and adopts vector FOC control technology, which can seamlessly switch between start-up and power generation modes. The response speed is as fast as 150ms, which is more than twice that of traditional starters, and the start-up is smooth without any jerks; Simultaneously supporting CAN 2.0B communication, it can perfectly adapt to the vehicle VCU and achieve intelligent control. In terms of extreme environmental adaptability, the new product can work stably in a wide temperature range of -40 ℃ to 125 ℃, and the peak torque does not decay in low temperature environments of -40 ℃, completely solving the problem of equipment startup in northern high-altitude regions; The protection level reaches IP67, which can effectively resist the erosion of harsh environments such as mining dust and mud water, and is suitable for complex operation scenarios of heavy-duty construction machinery. In addition, the new product is equipped with double row angular contact ball bearings and Naiweide patented high wear resistant one-way clutch, which extends the product's lifespan by 50% compared to traditional motors, further reducing users' replacement and maintenance costs.
Accurate adaptation, covering diverse scenarios and new demands, providing customized solutions for industry upgrading. Naiweide has launched two main models simultaneously, accurately matching different scenario requirements: N-ISG4808 (48V platform) with a peak power of 8kW and a continuous power generation of 5kW, suitable for hybrid scenarios of light trucks, forklifts, and small construction vehicles; N-ISG7212 (72V platform) has a peak power of 12kW and a continuous power generation of 8kW, suitable for heavy-duty hybrid chassis such as heavy-duty trucks, excavators, and mining cars. At present, this integrated ISG has been successfully matched with a 48V hybrid project of a leading heavy truck factory in China and a hybrid excavator of Sany Heavy Industry. After practical scenario verification, its energy-saving effect and stability performance have been highly recognized by customers, demonstrating the practical value of the product.
Relying on industry development and its own technological accumulation, the Naiweide permanent magnet synchronous starter/generator integrated unit not only breaks the limitations of traditional power systems, but also takes the lead in competition with international giants with cost advantages and customized services - products of the same specifications have more price advantages than international brands, customized development cycles are shorter, and perfectly meet the upgrading needs of local enterprises. As a technology-based small and medium-sized enterprise, Naiweide has always adhered to independent research and development. This new product integrates multiple independent patented technologies, demonstrating the breakthroughs and progress of Chinese local motor enterprises in the core technology field, injecting new vitality into the industry's independent and controllable development.
The wave of green transformation has arrived, and innovation driven future is promising. Ningbo Naiweide's integrated permanent magnet synchronous starter/generator unit, driven by technological innovation and market demand, not only provides an efficient, reliable, and energy-saving new solution for the upgrade of commercial vehicles and engineering machinery hybrid systems, but also helps the industry break through the bottleneck of core components in extended range hybrid systems and promote the green and intelligent transformation of the industry. In the future, Naiweide will continue to deepen its cultivation in the field of new energy motors, focus on technological iteration and product upgrades, continuously launch more competitive products, empower the high-quality development of the manufacturing industry with professional strength, and work together with customers to achieve a green and intelligent new future!
