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The company focused on the field of energy technology research and application, including motor control, power control, power transmission, energy utilization and energy conversion, power automation and information technology, energy services, electricity services, integrated energy services and related technology.

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广州智光电气股份有限公司
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超大容量高压变频调速系统应用手册.pdf超大容量高压变频调速系统解决方案及案例.pdf高压变频器产品选型手册.pdf
DATE 2004 - 05 - 09
As a leader in R&D and applications of technologies in the industry of domestic ultra-large capacity HV frequency converters, Zhiguang has constantly increased its R&D efforts and refreshed the capacity limit of domestic frequency converters for recent years. 7,000 kVA - 30,000 kVA ultra-large capacity HV frequency converters independently developed by Zhiguang have become strong competitors of similar foreign products and technologies.   For applications of the ultra-high power HV frequency conversion system, a series of Zhiguang’s high-end applications represent an excellent domestic brand comparable with international ones, such as: energy saving renovation projects of the variable frequency speed control system for electric feed pumps in 300 MW - 600 MW thermal power gener...
DATE 2009 - 05 - 09
ZINVERT intelligent HV variable frequency speed control system for synchronous motors is developed by Zhiguang Electric specifically for the control of such motors. Scope of ApplicationSuch system has a wide range of applications in sintering fans, compressors and other similar operating conditions.System PrincipleWith the advanced speed sensor-less vector control technology, ZINVERT intelligent HV variable frequency speed control system for synchronous motors avoids high-impulse currents during startup of synchronous motors, easy out-of-phase or vibration during heavy load starting and speed control of such motors. It makes the accurate control of output rotational speed possible and eliminates the need to regulate the exciting current of the excitation cabinet, thus ensuring easier ...
DATE 2007 - 04 - 09
ZINVERT four-quadrant energy regeneration-type HV variable frequency speed control system is developed by Zhiguang Electric specially for industrial applications requiring variable-frequency four-quadrant operation. Scope of ApplicationSuch system has a wide range of applications in shaft hoisting and other similar operating conditions.  System PrincipleSuch four-quadrant energy regeneration-type HV frequency converter independently developed by Zhiguang Electric includes the adaptive vector control technology. It controls the unit power factor on the input side by accurately controlling the input current of the power unit. Besides, it performs the closed-loop control on the DC voltage of this unit to ensure the stability of such voltage. In this way, the operation reliabili...
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