Shakti Pumps (India) Limited, India's leading manufacturer of solar pumps and motors has received a patent for inventing "Starting Direction Control Based Position Sensorless PMBLDS Motor Drive for Irrigation”.  

This innovative advancement, developed in collaboration with IIT Delhi, represents a significant leap in motor and electrical control systems, enhancing performance and reliability, particularly for agricultural irrigation applications.

The Patent Office, Government of India, has awarded Shakti Pumps this patent, fully adhering to the provisions set forth in the Patents Act of 1970. This patent is set to maintain its validity for duration of 20 years, commencing from the date of filing. This is the 15th Patent that the company has secured.

The novel starting technique developed by Shakti Pumps in collaboration with IIT Delhi introduces a unique method for initiating permanent magnet brushless DC (PMBLDC) motors without position sensors.

This innovation achieves high starting torque, reducing costs and complexity while increasing reliability by minimizing component count. Ideal for long cable systems, this patented sensorless technology ensures high starting torque for motors, particularly useful in submersible pumps with significant cable distances. It enhances rotor position estimation accuracy, allowing smoother operation, and enables pumps to start at low solar irradiance levels, maximizing solar energy use. This universal technique is compatible with all Shakti Pumps' drive solutions, enhancing flexibility and applicability across various irrigation pumps.

Dinesh Patidar, Chairman of Shakti Pumps, shared his excitement about this ground breaking achievement: "This breakthrough highlights our commitment to advancing motor and control system technologies. Our innovative sensorless starting technique not only reduces costs and simplifies installation but also significantly enhances reliability and efficiency, particularly in long cable and low solar irradiance scenarios. By minimizing reliance on sensors, we provide farmers with more costeffective and efficient irrigation solutions, ensuring optimal performance even under challenging conditions. This versatile technology reflects Shakti Pumps' commitment to providing state-of-the-art solutions for sustainable agriculture, ensuring our farmers have access to the most dependable and efficient irrigation systems."