Power Quality Engineering & Solution
Expertise in Power Quality Solutions CPT offers Power Quality Engineering, Products and Solutions for enhancing the power quality of the commercial, industrial and utilities power systems including improving electrical network efficiency, thereby resulting in considerable economic savings for the end users. With CPT power quality products and solutions, the end users will save money and reduce the high-cost impact of poor power quality from their operations. We provide a professional engineer for analyzing power quality problems and performing the right solutions which offer optimal efficiency and economy.
We can provide Power System Studies, Engineering Studies & System Design and Test & Commissioning services by a professional team in the area of engineering, project development, consulting, procurement and construction.
Product Description
CPT supplies Low Voltage, Medium Voltage and High Voltage shunt capacitor bank in both fixed and automatically switched capacitors for power factor correction and to avoid the parallel resonance effect, in the range of 240V through 115kV. We also supply the harmonic filtering equipment either Active filter or Passive filter bank to eliminate the high harmonic distortion in their network including increasing the power factor and load balancing at systems.
Our products list the following:
- LV/MV Conventional Shunt Capacitor Banks
- LV/MV Detuned Shunt Capacitor Banks
- LV/MV Automatically Thyristor Switched Capacitor Banks
- LV/MV Passive Tuned Harmonic Filter Banks
- LV Active Harmonic Filters / Hybrid Compensation
- LV/MV/HV Static Var Generators / STATCOM
- 22/33/115kV HV Open Air Shunt Capacitor Banks
- 22/33/115kV HV Open Air Harmonic Filter Banks
CPT offers our customers both standard components as well as application-specific solutions. Large industrial power users and utilities can benefit from reactive power compensation and harmonic elimination. The area where is required the Power Quality improvement is covered:
- Renewable energy: Solar Farm, Wind Farm
- Industry: Steel plant, Petro Chemical, Paper, Cement, Mining, Plastic, Automotive assembly, Pulp & Paper, Oil & Gas, etc.
- Utility: HV/MV Substation, Transmission & Distribution systems
- Commercial building: Bank, Office, Data center, Hospitals, Airports, Large commercial institutions, Large Department stores, etc.
What can we do and offer?
- Engineering: Extensive experienced power system analysis, study & evaluate, and troubleshooting & diagnostics
- Solution Design: Compact, Modular and Robust product design optimize
- Project Management: Managed project execution management from start to finish Installation, Functional Testing and Commissioning: Performed on-site service by our specialist teams
- Technical Training: Arrange the training course on technical and maintenance session
- Power Quality Monitoring: Real-time or specific monitoring services
- Preventive Maintenance Service: Resolve any issues
- Modernization: Upgrades, expansions, or repairs
Expert in Power Quality Engineering

Dr. Theerasak Patcharoen
General Manager (Design and Engineering)
Educational Qualifications
- Doctor of Engineering (Electrical Engineering)
King Mongkut’s Institute of Technology Ladkrabang - Master of Engineering (Electrical Engineering)
King Mongkut’s Institute of Technology Ladkrabang - Bachelor of Engineering (Electrical Engineering)
King Mongkut’s Institute of Technology Ladkrabang
Work Experience
- 2019 – Present
General Manager (Design and Engineering Division, Cable and Substation Business), CPT Drive and Power Public Company Limited - 2017 – 2019
Engineering Manager, High Voltage Product, Product Line - Capacitors and Filters ABB Limited