Sieyuan Electric Co.,Ltd

Website

en.sieyuan.com

Services

In app support, Manufacturing, Engineering

Sieyuan Electric Co., Ltd. is a global leader specializing in advanced electrical solutions and services, dedicated to addressing complex challenges within the energy industry. The company offers a comprehensive portfolio across transmission and transformation, distribution and utilization, energy storage, and automotive electronics and electrical systems. Through continuous research and development and a robust production and quality management system, Sieyuan provides high-quality products, customized solutions, and professional engineering services.

In transmission and transformation, Sieyuan's offerings include Flexible AC Transmission Systems (FACTS) devices like Static Synchronous Compensator (STATCOM) and Static Synchronous Condenser (E-STATCOM), High Voltage Direct Current (HVDC) circuit breakers, and a wide array of high-voltage substation components such as prefabricated and mobile substations. The company also manufactures various power transformers, including oil-immersed, gas-insulated, and high-voltage reactors, alongside advanced high-voltage switchgear such as Gas Insulated Switchgear (GIS) and Gas-Insulated Transmission Lines (GIL). Their expertise extends to HV circuit breakers, disconnectors, and comprehensive substation automation systems with protection relays, monitoring and control, intelligent operation and maintenance, and online monitoring solutions. Furthermore, they supply high-voltage instrument transformers, bushings, power capacitors, and neutral grounding equipment.

For distribution and utilization, the company provides medium-voltage substations, dry-type and medium voltage reactors, diverse medium-voltage switchgear and circuit breakers, power capacitors for various applications, and distribution automation terminal units. They also develop low voltage electrical distribution products and systems, including DC and AC switches, and switch-disconnectors and fuses.

Sieyuan is a significant player in the energy storage sector, offering utility-scale lithium battery energy storage systems, residential ESS solutions, and various energy storage elements like supercapacitors, hybrid ultracapacitors, and high-power lithium-ion cells. The company’s automotive electronics and electrical systems division delivers low-voltage Li-ion batteries for electric and fuel vehicles, ultracapacitor modules, and intelligent power distribution systems, along with innovative battery and ultracapacitor integrated solutions. These comprehensive offerings are designed to make new power systems safer, more reliable, flexible, controllable, and efficient globally.

Locations

• Shanghai