About us About us
About Us Development
  • 1999~2002
  • 2003~2007
  • 2008~2012
  • 2013~2017

1999

1、On April 9, Guangzhou Zhiguang Electric Ltd. was founded
2、The microprocessor local unit (MLU) was successfully developed
3、The GEC series nonlinear excitation controller was completely applied in power plants in Guangdong Province
4、In December, the prototype of Type KD-XH quick arc suppression system in the distribution network was successfully developed
    

2000

1、In March, the Type KD-XH intelligent quick arc suppression system in the distribution network was tested by the competent authority. It was put into operation in the network in April and passed the achievement appraisal as a new technology and product in the same year
2、In June, Zhiguang was recognized as one of the private scientific and technological enterprises in Guangzhou
3、In October, the integrated automation system for the Me700 substation independently developed by Zhiguang was put into operation in the 110 kV Guicheng Substation located in Nanhai District, Foshan and passed the identification as a new product and technology in Guangdong Province
4、In October, Zhiguang attended the 1st China International Conference on Electricity Distribution (CICED), promoting the Type KD-XH intelligent quick arc suppression system in the distribution network to the national market
     

2001

1、In February, the online monitoring and diagnosis system in the HV equipment for the HVM2000 series substation passed the identification as a new product and technology
2、Zhiguang undertook the scientific and technological research project for the "10th Five-Year Plan" in Guangdong Province and the technology R&D of the "10th One-Hundred" innovative project in Guangzhou, i.e. the "Intelligent HV High-power Variable Frequency Speed Control System"
3、In July, Zhiguang attended the international conference on electricity distribution in Rotterdam, the Netherlands and proposed the "Novel Neutral Grounding Pattern in Distribution Networks" for the first time, resulting in a technological revolution regarding the operation mode in this field. Since then, the complete set of the arc suppression line selection unit has been widely applied in grids
4、In September, Zhiguang was recognized as one of the high-tech enterprises in Guangzhou
5、Its annual sales revenue exceeded RMB 10 million yuan
     

2002

1、In January, the ISO2000:9001 quality management system certification was completed
2、In February, Guangzhou Zhiguang Motor Co., Ltd. was founded
3、In March, Zhiguang was recognized as one of the software enterprises in Guangzhou
4、In June, Shanghai LongyuanZhiguang Power Technology Co., Ltd. was founded
5、In September, Guangzhou Gold Credit Investment Co., Ltd., an industry investment company, was introduced

 

2003
1、In January, based on the MLU and ME700 products, the product development of the SPAC series low-voltage protection (LVP) controller, electric power monitor, and medium-voltage protection (MVP) measuring and control device commenced. Such products successively passed the type test and the CCC certification conducted by the designated national testing center
2、In January, the online monitoring and diagnosis system in the HV equipment for the HVM2000 series substation passed the scientific and technological achievement appraisal conducted by the State Electric Power Corporation
  

2004
1、In January, the market share of the Type KD-XH quick arc suppression system was up to 24%, the second highest in China
2、In August, the ZINVERT series HV variable frequency speed control system passed the inspection conducted by the competent authority
3、The domestic first outdoor-type ZINVERT HV variable frequency speed control system was put into operation in the network
4、Zhiguang's annual sales revenue exceeded RMB 100 million yuan
  

2005
1、In August, the marketing of the ZINVERT series HV variable frequency speed control system commenced all over in China
2、The Me800 series electric monitoring and energy management product was successfully developed
3、In December, after the shareholding reform, it was renamed as Guangzhou Zhiguang Electric Co., Ltd.
  

2006
1、More than 100 frequency converters were sold
2、The annual sales revenue exceeded RMB 200 million yuan
3、Hangzhou Zhiguang ECON Technology Co., Ltd. was founded
4、The DL80 real-time data interconnected system for electric power dispatching and the IDP90 integrated data platform for electric power dispatching were successfully developed, with their applications promoted among grid corporations
  

2007
1、In July, the Specification of Arc Suppressing Coil Apparatus with Automatic Follow Compensation (DL/T1057-2007), which Zhiguang was responsible for drafting, was duly approved and implemented as of December 1 in the same year
2、On September 19, it was listed on the Shenzhen Stock Exchange (SZSE) with the stock code 002169
3、The intelligent HV high-power variable frequency speed control system came into the market promotion stage. Its sales in 2006 were in third place among domestic brands
4、It was one of those companies which were granted a loan by the Asian Development Bank for energy saving and emission reduction promotion (efficiency power plant) program

 

2008
1、In April, Guangzhou Yunbu Industrial Park was formally completed and put into service
2、In October, the 7,000 kVA ultra-large capacity HV variable frequency speed control system was successfully developed
3、In December, the 10,000 kVA ultra-large capacity HV variable frequency speed control system was successfully developed
  

2009
1、On April 9, Zhiguang Electric celebrated its 10th anniversary
2、It concluded a strategic cooperation framework agreement with the ESCO Committee of China Energy Conservation Association ("EMCA") in the Great Hall of the People, moving into the energy saving service field
3、In December, Zhiguang defined such topics as energy saving, efficiency improvement, intelligent grid and electrified transportation as the orientation for its development in the coming ten years
   

2010
1On May 19, Guangzhou Zhiguang Energy-saving Co., Ltd. was duly incorporated and recognized as the first "Model Base of the Energy Saving Service Sector" in China
2
On July 22, the "Zhiguang Cup" China Long March Campaign for Energy Saving Services opened, unveiling a three billion-valued big market in Yunnan
3
On December 6, the "Zhiguang Cup" China Long March Campaign for Energy Saving Services brought four billion in "Green Gold" to Guizhou, unveiling the market there for energy saving
4
On December 30, the demand-based HV large-capacity dynamic reactive power compensation series of products successfully came off the assembly line of Zhiguang Electric
5
Zhiguang participated in drafting the standard for optimum design guidelines of the motor system (blower, pump and air compressor)
6
It participated in drafting the General Specification for HV Frequency Converters
7
It also participated in drafting the Adjustable-speed Electrical Transmission System (GB/T 12668)
8
Guangzhou Zhiguang Energy-saving Co., Ltd. became one of the large-scale integrated energy saving service providers first registered with the NDRC and first recommended by the MIIT
9
After refinancing was completed, it accelerated the industrialization of its large-capacity variable frequency speed control system project and expanded its enterprise technology center
10
The full range of demand-based voltage reactive power compensation and power quality control products was successfully developed  

     

2011 
1、A series of products were successfully developed, including the ZINVERT intelligent HV synchronous motor variable frequency speed control system, the ZINVERT four-quadrant energy regeneration-type HV frequency speed control system, and the GZMVS series HV soft starter, etc.
2、The applications of the voltage reactive power compensation and power quality control products were promoted in fields of new energy, electrified transportation, iron, steel, and coal
3、The turnkey solution for industrial electrical power saving and efficiency improvement was fully applied and promoted in Chinese large-scaled iron, steel and chemical enterprises
4、The turnkey solution for electrical power saving and efficiency improvement of power plants was applied and promoted in large-sized power generation units
5、The Alliance PKU - Zhiguang Electric Strategy, Organization and Process, and HR Consultancy Program formally commenced
6、Hangzhou Zhiguang ECON Technology Co., Ltd. merged with Shanghai LongyuanZhiguang Power Technology Co., Ltd. to particularly focus on the intelligent grid informatization field
7、Zhiguang cooperated with Western China for comprehensive energy saving services regarding the "12th Five-Year Plan"
8、By introducing Shanghai Cooltech Power Co., Ltd. as a new shareholder, Guangzhou Zhiguang Energy-saving Co., Ltd. moved into the distributed energy field
9、The 20,000 kVA ultra-large capacity HV variable frequency speed control system that it independently developed made a breakthrough
10、During the "Zhiguang Cup" China Long March Campaign for Energy Saving Services, it invested 270 million yuan in the energy conservation transformation in Hebei Province
11、The ground breaking ceremony of the Zhiguang Integrated Energy Industrial Park was held in the Guangzhou Science City
    

2012 
1、The 20,000 kVA ultra-large capacity HV variable frequency speed control system was successfully developed
2、The ZG-dSVG HV dynamic reactive power compensation plant with 20MVar per unit was successfully developed
3、The frequency conversion renovation project of hydraulic couplers at the inlets of the feed pumps for the 30 MW unit of the Maliantai Power Plant in Ningxia was successfully implemented. It was the first successful case in China 
4、The variable frequency speed control system specially for the domestically maximum-capacity main exhauster (exhaust fan) of sintering was successfully put into operation and accepted
5、The ZG-dSVG HV dynamic reactive power compensation plant was successfully put into operation in the Maoniuping Wind Farm, with the globally highest altitude, located in Ninglang County, Lijiang, Yunnan Province, filling the gap of the domestic high-altitude wind farm field regarding the large-capacity (SVG) dynamic rear power compensation application
6、The 6000 KV / 6500 KW HV frequency conversion transformation project for the combined induced draught fan and motor of the Jinzhushan Power Plan of DatangHuayin Electric Power Co., Ltd. was put into operation and became a domestic model project regarding the ultra-large capacity motor frequency conversion transformation
7、The flow path renovation project of JiayuguanHongshengElectrothermal Company Limited was successfully implemented, saving approx. 55,508 tons of standard coal per year
8、Guangzhou Zhiguang Energy-saving Co., Ltd. reached an energy management contract with BijieJiangtian Cement Company Limited located in Guizhou to utilize the low-temperature waste heat from BijieJiangtian's production line for power generation. In this way, it could save more energy, reduce emissions and improve the energy efficiency. The anticipated total energy saving benefit to be shared would be up to RMB 93.18 million yuan
9、The waste heat-based power generation project of Guangzhou Zhiguang Energy-saving Co., Ltd. and Xinyu Iron & Steel Co.,Ltd. was formally put into operation. Its anticipated income would be up to RMB 202 million yuan. Since then, Guangzhou Zhiguang Energy-saving Co., Ltd. finished its comprehensive business deployment for energy saving and efficiency improvement in the field of industrial energy and power, including overall power saving, energy saving and efficiency improvement of large-sized thermal power plants, and comprehensive utilization of waste heat and residual pressure
10、The "Zhiguang Cup" China Long March Campaign for Energy Saving Services was successfully carried out in Yunnan, Guizhou, Hebei, and Guangdong. Zhiguang intended to promote a new energy saving mechanism in respect of the energy management contract and demand-based management. It would be committed to the mission and social responsibility for promoting the development of the local energy saving service sector and driving the implementation of more energy saving and emission reduction projects

 

2013
1、Guangzhou Zhiguang Energy-saving Co., Ltd. concluded an energy management contract with Guangdong Shaoguan Iron and Steel Group Corporation to invest in, construct, operate and manage the power saving renovation project for the energy consumption client's efficient plant motor system (approx. 196 motors) in the form of an energy management contract. During the term of the contract, Guangzhou Zhiguang Energy-saving Co., Ltd. could share 85% of the benefits from such project per year. The anticipated total energy saving benefits to be shared by it for six years would be up to RMB 180,285,000 yuan
2、Guangzhou Zhiguang Energy-saving Co., Ltd. was successfully enlisted as one of the first power demand-based management service providers in the Chinese industrial field (1st listing)
3、Zhiguang Electric's ZG-dSVG HV dynamic reactive power compensation plant passed the scientific and technological achievement appraisal conducted. Some of its indicators were up to the international advanced level and its overall technology reached the domestic advanced level
4、Zhiguang's postdoctoral program was duly initiated as approved by the State authority to promote its scientific and technological innovation, build innovative enterprises and implement the talent thriving enterprise strategy
5、Zhiguang’s permanent magnet synchronous motor (PMSM) servo control system was launched on the market and applied in the ceramic industry. By virtue of the customized efficient permanent magnet motor and the advanced integrated servo control technology for driving and controlling the permanent magnet motor, such system solved the key technological problem in the industrial field application of the high-power (above 100 KW) PMSM for servo control, resulting in energy saving in the industrial production process and process engineering
6、For the China Long March Campaign for Energy Saving Services, the power plant campaign was successfully carried out in Yinchuan. The technological innovation was completed for the upgrading, reconstruction, energy saving and consumption reduction of domestic coal-fired power plants. For example, the energy saving technology for the electrical feed pump system offered an integrated solution for energy saving and efficiency improvement. Meanwhile, the further promotion of technological innovation and energy conservation in various industries was another new pattern of such Long March Campaign
7、Zhiguang's energy saving renovation technology for the electrical feed pump system in the thermal power generation unit became mature and was successfully applied in succession in the Maliantai Power Plant, the Liupanshan Thermal Power Generation Plant, Baotou Donghua Thermal Power Generation Plant, and Shanxi Zhangze Power Plant, etc.
8、Zhiguang Electric concluded a contract with China Southern Power Grid Company Limited to undertake the development of the power conversion system (PCS) in the National Pilot Project #863 (i.e. a battery energy storage station project of the megawatt level).
9、The waste heat-based power generation unit of Ningxia YinghaiTianxiang Photovoltaic Power Generation Company Limited was successfully started for the first time. Upon completion and operation of this project, more experience was accumulated for the construction, management and operation of Zhiguang's waste heat-based power generation projects
10、The National Industry Alliance of Motor Efficiency Improvement was established. Zhiguang Electric was elected as the executive member. As the sponsor of such Alliance, Zhiguang Electric was to do its best in and be responsible for promoting the upgrading and reconstruction of the motor industry and for improving the motor efficiency completely
11、The HV variable frequency transmission control system specially for belt conveyors in the rapid loading system of Shanxi Xiaoliu Railway Co., Ltd. was put into operation successfully. Zhiguang Electric's technology contained in such system marked another breakthrough in the multi-motor transmission control system based on the wide applications of its ultra-large capacity HV variable frequency speed control system, permanent magnet motor servo control system, and energy saving solution for motor systems in multiple industries. This would further promote the development of its motor system control and energy saving techniques
    

2014
1、Under the principle of transformation-based development and better future relying on upgrading, Zhiguang further strengthened its energy conservation efforts for the motor systems comprehensively
2、The domestic first high-power frequency converter was applied in the hydraulic-coupling speed control feed pump of power plants passed the scientific and technological achievement appraisal and was up to the international advanced level
3、Guangzhou Zhiguang Energy-saving Co., Ltd. was listed as Top 5 in the list of the national 100 energy saving service providers in 2014
4、The energy saving renovation project of the feed pump system for the 2*300MW thermal power generation units in Linfen, Shanxi Province was successfully put into operation
5、The energy saving renovation project of the #4 electric feed pump system for the 200MW thermal power generation unit in the Zhangze Power Plant was successfully put into operation in one shot
6、The energy saving renovation project of the feed pump system for the #1 unit was successfully put into operation in the Wangping Power Plant of Datong Coal Mine Group
7、The "Energy Saving Renovation Project of the Electric Feed Pump" of the Liupanshan Thermal Power Generation Plant of CHINA ALUMINUM NINGXIA ENERGY GROUP CO., LTD., which was undertaken by Guangzhou Zhiguang Energy-saving Co., Ltd., won the first prize for the "Technological Achievements of National Power Employees" (6th session) in 2014

 

2015
1、The variable frequency drive of the ultra-large capacity brushless synchronous motor was applied in the 2×10 MVA main exhauster frequency converter in #1 sintering line of Ningbo Iron & Steel Company Limited. Such project was successfully put into operation
2、Guangzhou Zhiguang Energy-saving Co., Ltd. was top-ranked for the 5A comprehensive capability of national energy saving service providers
3、Zhiguang Electric assisted China Southern Power Grid Company Limited in the successful implementation of the HV large-capacity energy storage system
4、Zhiguang Electric's intelligent HV variable frequency speed control system for dual-drive semi-autogenous mills was debugged successfully
5、Guangzhou Zhiguang Energy-saving Co., Ltd. was qualified as the "Level I Service Provider for the Demand-based Power Management in the National Industrial Field"
6、The 10 kV cascaded energy conversion system in the Baoqing Energy Storage Generation Plant of China Southern Power Grid Company Limited, which was undertaken by Zhiguang, was listed as "Top 10 Excellent Cases in Chinese Smart Energy Sector in 2015"
7、Guangzhou Zhiguang Energy-saving Co., Ltd. was listed as Top 4 in the list of the national 100 energy saving service providers in 2015
     

2016
1、Guangzhou Zhiguang Energy-saving Co., Ltd. made a new breakthrough in respect of the energy saving renovation technology for the electric feed pump system. It won the energy saving renovation project of the electric feed pump system for the 600 MW power generation unit of the Tasha Power Plant of Shanxi Zhangze Power Co., Ltd.
2、Zhiguang Electric's first intelligent photovoltaic pre-assembled substation was successfully put into operation
3、The world first 10 kV direct HV energy storage PCS plant was appraised as an international advanced plant
4、The first HV shore power system of Qingdao Port fulfilled the power connection in one shot
5、Guangdong Zhiguang Electricity Distribution Company Limited was enlisted in the list of electricity distribution companies
6、The "2.7 MW Distributed Photovoltaic Plant of Guangzhou Lingnan Cable Co., Ltd.", the first photovoltaic power generation project of Zhiguang Electric, was successfully combined to the grid for power generation
7、Guangzhou Zhiguang Energy-saving Co., Ltd. was listed as Top 3 in the list of the national 100 energy saving service providers in 2016
8、The ultra-large capacity frequency converter for the electric feed pump in the domestic first 600 MW thermal power generation unit came off the assembly line successfully
9、The energy saving renovation project of the variable frequency speed control system for the electric feed pump in the domestic first 600 MW power generation unit of Shanxi Tashan Power Co., Ltd. which was designed and implemented by Guangzhou Zhiguang Energy-saving Co., Ltd. was put into operation and passed the required verifications successfully. Its energy save effect met the expectations. The anticipated mean annual power conserved would be more than 20,000,000 kWh, equivalent to approx. 1% reduction in the plant power consumption
  

2017
1、The Zhiguang Integrated Energy Industrial Park was finally completed in the Guangzhou Science City
2、Guangzhou Zhiguang Energy-saving Co., Ltd. was granted many awards, such as the Brand Enterprise in the Energy Saving Service Sector between 2016-2017, the Excellent Project in the Energy Saving Service Sector, the Outstanding Entrepreneur in the Energy Saving Service Sector, and the Pioneer in the Energy Saving Service Sector, etc.
3、The shore power project of Yingkou Port, in which Zhiguang Electric was responsible for development and provided the product technology, was formally put into operation. It was the first HV vessel shore power project in northeast China and successfully passed the expert review

……

 

Copyright ©2005 - 2017 Guangzhou Zhiguang Electric Ltd.