Explore our leading industrial energy solutions engineered for exceptional reliability, advanced thermal dissipation, and compliance with the most stringent global standards.
Empowering Industries Since 1963
With over 60 years of deep-rooted expertise in electric motor research and manufacturing, Shandong Sunvim Motor Co., Ltd. represents the pinnacle of industrial innovation. Following a strategic corporate transformation in 2022, we have rapidly established a high-standard, modernized production ecosystem tailored for the future of global industry.
Backed by the powerful resources of Sunvim Group—a multi-billion RMB conglomerate—Shandong Sunvim Motor Co., Ltd. benefits from strong financial stability and strategic growth. Our expansive facilities house over 400 sets of advanced manufacturing, precision testing, and automated supporting equipment, driving an impressive annual production capacity of up to 3 million kilowatts.
"Today, Sunvim Motor has evolved into a premier enterprise seamlessly integrating R&D, world-class manufacturing, global distribution, and dedicated customer service."
Driven by the excellence of Sunvim Group, the SUNVIM brand has earned widespread international recognition. Our high-performance electric motors are trusted by global OEMs and industrial buyers across premier markets, including Germany, Italy, Greece, Spain, Belgium, Denmark, South Africa, Slovakia, Australia, Singapore, Indonesia, Malaysia, and Taiwan.
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In high-power configurations, 6 Kv motors serve as the critical backbone for large-scale operations. Medium voltage powertrains significantly minimize line currents, thereby reducing distribution line losses and cable installation costs.
Operating at a nominal 6,000 Volts reduces the electrical current drastically compared to low-voltage alternatives. This mitigates I²R copper losses over extensive industrial cable runs, enhancing grid efficiency by up to 12% across your facility.
By employing higher voltage, localized heating inside the stator windings is strictly controlled. Combined with our advanced VPI (Vacuum Pressure Impregnation) processes, it guarantees an insulation operational lifespan exceeding 25 years under full load.
Our custom 6 Kv induction designs integrate optimized rotor slot geometry and premium grade Baosteel silicon laminations, suppressing torque ripple and current harmonics during heavy load startup phases.
Our facility houses over 400 sets of advanced machinery to ensure that every Custom 6 Kv Motor complies with absolute dimensional accuracy, exceptional dynamic balance, and rugged electrical insulation standards.
From the industrial recovery of the early 1960s to the modern era of high-voltage smart powertrains, Sunvim has continually set standards in high-output motor development.
Gaomi Electric Appliance Factory was established, laying down the technical foundation. In 1988, renamed as Weifang Electric Machinery Factory, cementing its position in the domestic machinery market.
Mr. Sun, then the visionary factory director, departed the appliance facility to set up Gaomi Towel Factory, establishing what would grow to become the multi-billion RMB Sunvim Group.
Sunvim strategically acquired Weifang Electric Machinery Factory, integrating its deep motor R&D expertise into the group and establishing Shandong Sunvim Electrical Machinery Co. Ltd.
A new, state-of-the-art intelligent manufacturing facility was completed inside the Sunvim Industrial Park. Rebranded as Shandong Sunvim Motor Co. Ltd to scale global operations.
To supply high-performance 6 Kv medium voltage induction motors to global heavy industries, our manufacturing ecosystem strictly adheres to rigorous international quality, marine classification, and localized safety standards.
ISO9001：2015
CE Mark
UKCA Certification
UL Standards
SABS Approved
CCS Marine Approval
ABS Marine Approval
DNV Marine Approval
Our medium and high-voltage three-phase induction systems are optimized to withstand extreme conditions, delivering consistent torque and peak efficiency in critical operations.
As the industrial world transitions to carbon neutrality, the demands on medium voltage induction motors are shifting toward extreme efficiency, modularity, and smart condition monitoring.
Modern industrial systems demand variable velocity profiles rather than fixed-speed grid direct-on-line (DOL) configurations. Dynamic mechanical requirements have led to the creation of advanced 6 Kv motors designed specifically to withstand high-frequency voltage spikes (dv/dt) caused by IGBT switching. By utilizing reinforced phase-to-phase and turn-to-turn insulation (employing polyimide-insulated conductors and specialized corona-resistant shielding tapes), Sunvim's converter-fed high voltage motor series ensures complete dielectric integrity and minimizes breakdown risk when paired with variable speed drives.
Globally, energy policies are strictly enforcing minimum energy performance standards (MEPS). While traditional 6 Kv systems previously operated at IE2 efficiency levels, the global demand is rapidly shifting toward IE4 and IE5. Sunvim is at the forefront of this shift, integrating specialized high-density copper rotor configurations and low-loss Baosteel silicon laminations into our medium-voltage motor lines to meet these requirements.
Combining the heavy construction of traditional induction frameworks with modern permanent magnet (FP Series) and synchronous reluctance (SCZ Series) technology enables massive efficiency improvements at partial loads. By removing rotor winding I²R losses, these synchronous hybrid configurations operate cooler, allow for a more compact footprint, and provide higher power density compared to standard slip-ring or cage designs.
Addressing core technical concerns, standards compliance, and electrical configuration queries for system engineers and plant procurement professionals.
Explore our wider range of high-efficiency, marine-grade, and converter-fed high-voltage motors engineered for complex engineering demands.
Sunvim Motor