The static reactive power generator, also known as the reactive power compensation device, is mainly composed of three basic functional modules, namely: detection module, control operation module, and compensation output module. Its working principle is to detect the current information of the external CT detection system, and then analyze the current current information, such as PF, S, Q, etc. through the control chip; Then, the controller provides the compensated driving signal, and the compensation current is sent out by the inverter circuit composed of power electronic inverter circuits.
The static reactive power generator uses switchable power electronic devices to form a self commutating bridge circuit, which is connected in parallel to the power grid through reactors. The amplitude and phase of the output voltage on the AC side of the bridge circuit are appropriately adjusted, or the AC side current is directly controlled. Quickly absorb or emit the required reactive power, achieving the goal of quickly and dynamically adjusting reactive power. As an active compensation device, it can not only track the impulse current of impulse loads, but also track and compensate for harmonic currents.
The static reactive power generator has multiple compensation modes, which can simultaneously perform various compensations mentioned above, and can set the proportion of harmonic, reactive, and three-phase unbalanced compensation capacity to comprehensively solve the power quality problem on the low-voltage distribution side; The device can simultaneously filter out 2-50 harmonics, and can also filter out specific harmonics within 2-50 times according to the settings.
The static reactive power generator device can dynamically and smoothly compensate for inductive and capacitive reactive power, and the system power factor after compensation is greater than 0.99; The imbalance of three-phase active load current in the system after compensation within the rated capacity is less than 5%; Fast response speed, high controllability, automatic current limiting function, without overload.
Whether it is harmonic filtering, reactive power compensation, or three-phase imbalance compensation, the device can automatically compensate based on the system harmonic current, reactive power, and three-phase imbalance load, without overcompensation issues; Modular design with multiple installation methods such as rack mounted and wall mounted, allowing multiple machines to operate in parallel to meet practical needs as much as possible.
The static reactive power generator has multiple protection functions, including overcurrent, overvoltage, over temperature, phase sequence error, and phase loss. Compared to traditional LC filtering circuits, SVG mainly has the advantages of excellent reactive power compensation performance, support for compensating unbalanced loads, and compensating zero sequence harmonic currents, which are functions that traditional LC circuit compensation circuits do not have.
Shanghai Huakun Electrical Appliances Co., Ltd. is located in Xinzhuang Craft City, Minhang, Shanghai. It closely cooperates with well-known universities and research institutes in China and is an intelligent electrical company that integrates design, manufacturing, and sales. The company has production experience, mature technology, complete testing equipment, stable and reliable quality, and its products are sold in domestic and foreign markets, enjoying a good reputation among customers.
Since 2008, "Huakun Electric Appliances" has been awarded the title of "Famous and Excellent Product" by the Shanghai Electrical Industry Association for four consecutive years. Adhering to the business philosophy of adhering to integrity and operating in accordance with the law, we sincerely serve our customers. In 2016, we were awarded the "4-star Integrity Creation Enterprise" award jointly by the "Shanghai Enterprise Integrity Creation Activity Organizing Committee" and the "Shanghai Electrical Industry Association".
Huakun Electric Appliances has passed ISO9001 quality system certification, ISO14001 and OHSAS18001 occupational health and safety management system certification among its peers in China. We always adhere to the development principle of "winning with quality", and all core parts of our products are produced and processed independently, thereby ensuring the quality of every factory product.
Huakun Electric always adheres to the development concept of "people-oriented" and regards talent as the driving force for enterprise development. The company has collaborated with many well-known universities and research institutes, such as the Shanghai Institute of Science and Technology and Shanghai Jiao Tong University, continuously introducing new ideas.
In recent years, Huakun Electric Appliances has adhered to technological development, creative development, and comprehensive development, and has achieved development performance. The products developed and produced by the company in the fields of power quality and new energy have been exported to overseas markets such as Singapore and South Korea. The company adheres to the concept of cooperative development and mutual benefit, collaborates with multiple domestic and foreign technology enterprises, deepens technical research and development cooperation, and strives tirelessly to become an excellent electrical industry enterprise at home and abroad.